un positionnement de paramètre workflow des pros

BookAStar.sln

@@ -9,7 +9,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BookAStar.iOS", "BookAStar\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BookAStar", "BookAStar\BookAStar\BookAStar.csproj", "{A0815650-0A0A-47B0-8826-771F0E1AD137}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Yavsc.Client", "Yavsc.Client\Yavsc.Client.csproj", "{67F9D3A8-F71E-4428-913F-C37AE82CDB24}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "YavscLib", "YavscLib\YavscLib.csproj", "{67F9D3A8-F71E-4428-913F-C37AE82CDB24}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

BookAStar/BookAStar.Droid/Accounts/YavscAccountAuthenticator.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.Accounts;
+
+namespace BookAStar.Droid.Accounts
+{
+    class YavscAccountAuthenticator : AbstractAccountAuthenticator
+    {
+        public YavscAccountAuthenticator(Context context): base(context)
+        {
+
+        }
+
+        public override Bundle AddAccount(AccountAuthenticatorResponse response, string accountType, string authTokenType, string[] requiredFeatures, Bundle options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override Bundle ConfirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override Bundle EditProperties(AccountAuthenticatorResponse response, string accountType)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override Bundle GetAuthToken(AccountAuthenticatorResponse response, Account account, string authTokenType, Bundle options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override string GetAuthTokenLabel(string authTokenType)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override Bundle HasFeatures(AccountAuthenticatorResponse response, Account account, string[] features)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override Bundle UpdateCredentials(AccountAuthenticatorResponse response, Account account, string authTokenType, Bundle options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BookAStar/BookAStar.Droid/BookAStar.Droid.csproj

@@ -31,7 +31,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;DEV</DefineConstants>
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>0</WarningLevel>
     <AndroidUseSharedRuntime>True</AndroidUseSharedRuntime>
@@ -328,6 +328,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Accounts\YavscAccountAuthenticator.cs" />
     <Compile Include="Helpers\Settings.cs" />
     <Compile Include="Helpers\SimpleJsonPostMethod.cs" />
     <Compile Include="Helpers\YavscHelpers.cs" />
@@ -342,11 +343,14 @@
     <Compile Include="Markdown\MarkdownViewModel.cs" />
     <Compile Include="Markdown\MarkdownViewRenderer.cs" />
     <Compile Include="Markdown\MarkdownWebChromeClient.cs" />
+    <Compile Include="Markdown\MDContextMenu.cs" />
+    <Compile Include="Markdown\MDWebView.cs" />
     <Compile Include="OAuth2\YaOAuth2Authenticator.cs" />
     <Compile Include="Rendering\ImageButtonRenderer.cs" />
     <Compile Include="Resources\Resource.Designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SendFilesActivity.cs" />
+    <Compile Include="Services\AccountChooserService.cs" />
     <Compile Include="Services\YavscChooserTargetService.cs" />
     <Compile Include="Services\GcmListenerService.cs" />
     <Compile Include="Services\GcmRegistrationIntentService.cs" />
@@ -372,6 +376,9 @@
     <AndroidResource Include="Resources\layout\EditEstimate.axml">
       <SubType>Designer</SubType>
     </AndroidResource>
+    <AndroidResource Include="Resources\menu\md_menu.axml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
   </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\icon.png" />
@@ -381,15 +388,17 @@
   </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\layout\Tabbar.axml" />
-    <AndroidResource Include="Resources\layout\Toolbar.axml" />
+    <AndroidResource Include="Resources\layout\Toolbar.axml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
     <AndroidResource Include="Resources\values\styles.xml">
       <SubType>Designer</SubType>
     </AndroidResource>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\Yavsc.Client\Yavsc.Client.csproj">
+    <ProjectReference Include="..\..\YavscLib\YavscLib.csproj">
       <Project>{67f9d3a8-f71e-4428-913f-c37ae82cdb24}</Project>
-      <Name>Yavsc.Client</Name>
+      <Name>YavscLib</Name>
     </ProjectReference>
     <ProjectReference Include="..\BookAStar\BookAStar.csproj">
       <Project>{A0815650-0A0A-47B0-8826-771F0E1AD137}</Project>
@@ -474,7 +483,9 @@
       <SubType>Designer</SubType>
     </AndroidResource>
     <AndroidResource Include="Resources\values\dimens.xml" />
-    <AndroidResource Include="Resources\values\strings.xml" />
+    <AndroidResource Include="Resources\values\strings.xml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
     <AndroidResource Include="Resources\drawable\glyphish_07_map_marker.png" />
     <AndroidResource Include="Resources\drawable\glyphish_13_target.png" />
     <AndroidResource Include="Resources\drawable\glyphish_74_location.png" />
@@ -499,6 +510,14 @@
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\peer_to_peer.png" />
   </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\xml\authenticator.xml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\xml\account_preferences.xml" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>

BookAStar/BookAStar.Droid/MainActivity.cs

@@ -251,8 +251,8 @@ namespace BookAStar.Droid
             {
                 Task.Run(async () =>
                 {
-                    App.ShowBookQuery(
+                    var query =  DataManager.Instance.BookQueries.LocalGet(queryId);
-                       await DataManager.Current.BookQueries.Get(queryId));
+                    App.ShowBookQuery(query);
                 });
             }
         }
@@ -319,15 +319,16 @@ namespace BookAStar.Droid
                 return manager.FindAccountsForService(Constants.ApplicationName);
             });
         }
-        YaOAuth2Authenticator auth = new YaOAuth2Authenticator(
+        
-                            clientId: "d9be5e97-c19d-42e4-b444-0e65863b19e1",
-                            clientSecret: "blouh",
-                            scope: "profile",
-                            authorizeUrl: new Uri("http://dev.pschneider.fr/authorize"),
-                            redirectUrl: new Uri("http://dev.pschneider.fr/oauth/success"),
-                            accessTokenUrl: new Uri("http://dev.pschneider.fr/token"));
         public void AddAccount()
         {
+            var auth = new YaOAuth2Authenticator(
+                                clientId: "d9be5e97-c19d-42e4-b444-0e65863b19e1",
+                                clientSecret: "blouh",
+                                scope: "profile",
+                                authorizeUrl: new Uri(Constants.AuthorizeUrl),
+                                redirectUrl: new Uri(Constants.RedirectUrl),
+                                accessTokenUrl: new Uri(Constants.AccessTokenUrl));
             Intent loginIntent = auth.GetUI(this);
             var accStore = AccountStore.Create(this);
             auth.Completed += (sender, eventArgs) =>
@@ -348,65 +349,48 @@ namespace BookAStar.Droid
                        {
                            using (var client = new HttpClient())
                            {
-
                                // get me
-                               // var request = new OAuth2Request("GET", new Uri(Constants.UserInfoUrl), null, eventArgs.Account);
+                               using (var request = new HttpRequestMessage(HttpMethod.Get, Constants.UserInfoUrl))
-                               var request = new HttpRequestMessage(HttpMethod.Get, Constants.UserInfoUrl);
-
-                               request.Headers.Authorization =
-                               new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", tokens.AccessToken);
-
-                               var response = await client.SendAsync(request);
-
-                               response.EnsureSuccessStatusCode();
-
-                               string userJson = await response.Content.ReadAsStringAsync();
-                               JObject jactiveUser = JObject.Parse(userJson);
-                               Account acc = eventArgs.Account;
-
-                               var uid = jactiveUser["Id"].Value<string>();
-                               var username = jactiveUser["UserName"].Value<string>();
-                               var roles = jactiveUser["Roles"].Values<string>().ToList();
-                               var emails = jactiveUser["EMails"].Values<string>().ToList();
-
-
-                               var newuser = new User
                                {
-                                   UserName = username,
+                                   request.Headers.Authorization =
-                                   EMails = emails,
+                                   new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", tokens.AccessToken);
-                                   Roles = roles,
+
-                                   Id = uid,
+                                   using (var response = await client.SendAsync(request))
-                                   YavscTokens = tokens
+                                   {
-                               };
+                                       response.EnsureSuccessStatusCode();
-
+                                       string userJson = await response.Content.ReadAsStringAsync();
-                               MainSettings.SaveUser(newuser);
+                                       JObject jactiveUser = JObject.Parse(userJson);
-                               accStore.Save(acc, Constants.ApplicationName);
+                                       Account acc = eventArgs.Account;
+
+                                       var uid = jactiveUser["Id"].Value<string>();
+                                       var username = jactiveUser["UserName"].Value<string>();
+                                       var roles = jactiveUser["Roles"].Values<string>().ToList();
+                                       var emails = jactiveUser["EMails"].Values<string>().ToList();
+                                       var avatar = jactiveUser["Avatar"].Value<string>();
+                                       var address = jactiveUser["Avatar"].Value<string>();
+                                       var newuser = new User
+                                       {
+                                           UserName = username,
+                                           EMails = emails,
+                                           Roles = roles,
+                                           Id = uid,
+                                           YavscTokens = tokens,
+                                           Avatar = avatar,
+                                           Address = address
+                                       };
+
+                                       MainSettings.SaveUser(newuser);
+                                       accStore.Save(acc, Constants.ApplicationName);
+                                   }
+                               }
                            }
-                       }
+                       });
-
-                        );
-
                 }
             };
             auth.Error += Auth_Error;
             StartActivity(loginIntent);
         }
 
-        public static void PopulateUserWithAccount(User u, Account a)
-        {
-            u.YavscTokens = new Model.Auth.Account.Tokens
-            {
-                AccessToken =
-                        a.Properties["access_token"],
-                RefreshToken =
-                           a.Properties["refresh_token"],
-                ExpiresIn =
-                    int.Parse(a.Properties["expires_in"]),
-                TokenType = a.Properties["token_type"]
-            };
-            u.UserName = a.Username;
-        }
-
         private void Auth_Error(object sender, AuthenticatorErrorEventArgs e)
         {
             // TODO handle

BookAStar/BookAStar.Droid/Markdown/MDContextMenu.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.Support.V7.App;
+using XLabs.Ioc;
+using XLabs.Platform.Mvvm;
+using XLabs.Forms;
+using static Android.Views.View;
+
+namespace BookAStar.Droid.Markdown
+{
+    class MDContextMenu : AppCompatDialog
+    {
+        private ActionMode mActionMode = null;
+        public MDContextMenu(Context context) : base(context)
+        {
+            
+        }
+        public override void OnActionModeStarted(ActionMode mode)
+        {
+            if (mActionMode == null)
+            {
+                mActionMode = mode;
+                var menu = mode.Menu;
+                // Remove the default menu items (select all, copy, paste, search)
+                menu.Clear();
+
+                // If you want to keep any of the defaults,
+                // remove the items you don't want individually:
+                // menu.removeItem(android.R.id.[id_of_item_to_remove])
+
+                // Inflate your own menu items
+                mode.MenuInflater.Inflate(Resource.Menu.md_menu, menu);
+
+            }
+            mActionMode = mode;
+            base.OnActionModeStarted(mode);
+        }
+        public override void OnActionModeFinished(ActionMode mode)
+        {
+            base.OnActionModeFinished(mode);
+        }
+        protected override void OnCreate(Bundle savedInstanceState)
+        {
+            base.OnCreate(savedInstanceState);
+        }
+        public void OnCreateContextMenu(IContextMenu menu, View v, IContextMenuContextMenuInfo menuInfo)
+        {
+          /*  if (menuInfo!=null)
+            {
+               var info = menuInfo.ToString();
+            }
+            menu.Add(0, 0, 0, "test");
+            var subMenu = menu.AddSubMenu(
+                0, 1, 1, "...");
+            subMenu.Add(0, 3, 0, "nkjnkjn");
+            var app = Resolver.Resolve<IXFormsApp>() as IXFormsApp<XFormsCompatApplicationDroid>;
+
+            var mgr = ClipboardManager.FromContext(app.AppContext);
+            if (mgr.HasText)
+                menu.Add(0, 0, 0, "Coller!");*/
+            //base.OnCreateContextMenu(menu, v, menuInfo);
+        }
+    }
+}

BookAStar/BookAStar.Droid/Markdown/MDWebView.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.Webkit;
+
+namespace BookAStar.Droid.Markdown
+{
+    class MDWebView : WebView
+    {
+        public MDWebView (Context context) : base (context)
+        {
+        }
+
+        public override ActionMode StartActionMode(ActionMode.ICallback callback)
+        {
+            return base.StartActionMode(callback);
+        }
+
+    }
+}

BookAStar/BookAStar.Droid/Markdown/MarkdownEditor.cs

@@ -17,7 +17,7 @@ using System.Linq;
 using System.Text;
 
 
-[System.CodeDom.Compiler.GeneratedCodeAttribute("RazorTemplatePreprocessor", "4.2.0.703")]
+[System.CodeDom.Compiler.GeneratedCodeAttribute("RazorTemplatePreprocessor", "4.2.1.62")]
 public partial class MarkdownEditor : MarkdownEditorBase
 {
 

BookAStar/BookAStar.Droid/Markdown/MarkdownViewModel.cs

@@ -9,6 +9,7 @@ using Android.OS;
 using Android.Runtime;
 using Android.Views;
 using Android.Widget;
+using Android.Graphics;
 
 namespace BookAStar.Droid.Markdown
 {
@@ -17,6 +18,7 @@ namespace BookAStar.Droid.Markdown
         protected static MarkdownDeep.Markdown markdown = new MarkdownDeep.Markdown();
         public string Content { get; set; }
         public bool Editable { get; set; }
+
         public string GetHtml()
         {
             return markdown.Transform(Content);

BookAStar/BookAStar.Droid/Markdown/MarkdownViewRenderer.cs

@@ -12,6 +12,11 @@ using Android.Views;
 namespace BookAStar.Droid
 {
     using Markdown;
+    using XLabs.Forms;
+    using XLabs.Ioc;
+    using XLabs.Platform.Mvvm;
+    using static View;
+
     public class MarkdownViewRenderer : ViewRenderer<MarkdownView, WebView>
     {
         private WebView editorView;
@@ -35,7 +40,9 @@ namespace BookAStar.Droid
         {
             if (view == null || xview == null) return;
             var vch = view.ContentHeight;
-            xview.HeightRequest = vch > xview.MinimumHeightRequest ? vch : xview.MinimumHeightRequest;
+       //   var oldH = xview.Height;
+            var newH  = vch > xview.MinimumHeightRequest ? vch : xview.MinimumHeightRequest;
+            xview.HeightRequest = newH;
         }
 
         protected override void OnElementChanged(ElementChangedEventArgs<MarkdownView> e)
@@ -55,10 +62,14 @@ namespace BookAStar.Droid
             {
                 // Subscribe
                 editorTemplate.Model = new Markdown.MarkdownViewModel
-                { Content = e.NewElement.Markdown, Editable = e.NewElement.Editable };
+                {
+                    Content = e.NewElement.Markdown, Editable = e.NewElement.Editable
+                };
                 var html = editorTemplate.GenerateString();
                 EditorView.LoadDataWithBaseURL("file:///android_asset/",
                 html, "text/html", "utf-8", null);
+                EditorView.SetBackgroundColor(e.NewElement.BackgroundColor.ToAndroid());
+                
             }
         }
 
@@ -69,7 +80,7 @@ namespace BookAStar.Droid
                 Control.LoadUrl(string.Format("javascript: {0}", script));
             }
         }
-
+        MDContextMenu contextMenu;
         private WebView CreateNativeControl()
         {
             editorView = new WebView(Context);
@@ -89,9 +100,18 @@ namespace BookAStar.Droid
             EditorView.Settings.DomStorageEnabled = true;
             EditorView.AddJavascriptInterface(new JsBridgeMarkdown(this), "jsBridge");
             EditorView.ViewTreeObserver.PreDraw += ViewTreeObserver_PreDraw;
+            //var app = Resolver.Resolve<IXFormsApp>() as IXFormsApp<XFormsCompatApplicationDroid>;
+            //contextMenu = new MDContextMenu(app.AppContext);
+            //EditorView.SetOnCreateContextMenuListener(contextMenu);
+            
             return EditorView;
         }
 
+        private void EditorView_Touch(object sender, TouchEventArgs e)
+        {
+            
+        }
+
         private void ViewTreeObserver_PreDraw(object sender, ViewTreeObserver.PreDrawEventArgs e)
         {
             AdjustHeightRequest(Element, Control);

BookAStar/BookAStar.Droid/OAuth2/YaOAuth2Authenticator.cs

@@ -368,7 +368,7 @@ public class YaOAuth2Authenticator : WebRedirectAuthenticator
         var query = queryValues.FormEncode();
 
         var req = WebRequest.Create(accessTokenUrl);
-       //     (req as HttpWebRequest).Accept = "application/json";
+            (req as HttpWebRequest).Accept = "application/json";
             req.Method = "POST";
             var body = Encoding.UTF8.GetBytes(query);
             req.ContentLength = body.Length;

BookAStar/BookAStar.Droid/Properties/AndroidManifest.xml

@@ -30,6 +30,12 @@
 				<action android:name="android.service.chooser.ChooserTargetService" />
 			</intent-filter>
 		</service>
+		<service android:name="fr.pschneider.bas.AccountChooserService">
+			<intent-filter>
+				<action android:name="android.accounts.AccountAuthenticator" />
+			</intent-filter>
+			<meta-data android:name="android.accounts.AccountAuthenticator" android:resource="@xml/authenticator" />
+		</service>
 	</application>
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.WAVE_LOCK" />

BookAStar/BookAStar.Droid/Rendering/ImageButtonRenderer.cs

@@ -200,7 +200,7 @@ namespace BookAStar.Rendering
             var uriImageLoader = imagesource as UriImageSource;
             if (uriImageLoader != null && uriImageLoader.Uri != null)
             {
-                using (var client = UserHelpers.CreateClient())
+                using (var client = UserHelpers.CreateJsonClient())
                 {
                     using (var response = await client.GetAsync(uriImageLoader.Uri))
                     {

BookAStar/BookAStar.Droid/Resources/layout/Tabbar.axml

@@ -8,4 +8,4 @@
     android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
     app:tabIndicatorColor="@android:color/white"
     app:tabGravity="fill"
-    app:tabMode="fixed" />
+    app:tabMode="fixed" />

BookAStar/BookAStar.Droid/Resources/layout/Toolbar.axml

@@ -7,7 +7,7 @@
     android:layout_height="wrap_content"
     android:background="?attr/colorPrimary"
     android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
-    android:popupTheme="@style/ThemeOverlay.AppCompat.Light" 
+    android:popupTheme="@style/ThemeOverlay.AppCompat.Dark" 
     tools:context=".MainActivity"
     app:layout_scrollFlags="scroll|enterAlways" 
 />

BookAStar/BookAStar.Droid/Resources/menu/md_menu.axml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:id="@+id/copy"
+        android:title="@string/copy"/>
+  <group android:id="@+id/group">
+  <item android:id="@+id/past"
+        android:title="@string/past"
+        android:showAsAction="ifRoom|withText"/>
+  </group>
+  <item android:id="@+id/submenu_character"
+        android:title="@string/character" >
+    <menu>
+      <item android:id="@+id/bold"
+            android:title="@string/bold" />
+      <item android:id="@+id/italic"
+            android:title="@string/italic" />
+      <item android:id="@+id/underline"
+            android:title="@string/underline" />
+    </menu>
+  </item>
+<item android:id="@+id/submenu_paragraph"
+        android:title="@string/paragraph" >
+    <menu>
+      
+    <item android:id="@+id/header1"
+          android:onClick="onGroupItemClick"
+          android:title="@string/header1" />
+    <item android:id="@+id/header2"
+          android:onClick="onGroupItemClick"
+          android:title="@string/header2" />
+    </menu>
+  </item>
+</menu>

BookAStar/BookAStar.Droid/Resources/values/strings.xml

@@ -14,5 +14,25 @@
 	<string name="url">url</string>
 	<string name="url_hint">url_hint</string>
 	<string name="picture">picture</string>
-	<string name="google_app_id">325408689282</string>
+  <string name="google_app_id">325408689282</string>
+  <string name="pref_screen_title">Comptes Booking Star</string>
+  <string name="account_authenticator_label">Comptes Booking Star</string>
+
+  <string name="copy">Copier</string>
+  <string name="past">Coller</string>
+
+  <string name="character">Caractère</string>
+  <string name="bold">Gras</string>
+  <string name="italic">Italique</string>
+  <string name="underline">Sousligné</string>
+
+  <string name="paragraph">Paragraphe</string>
+  <string name="header1">Titre</string>
+  <string name="header2">Sous-titre</string>
+  
+  
+  <string name="accounts">Comptes</string>
+  <string name="bookingstar_accounts_pref_screen_summary">
+    Préférences des comptes Booking Star
+  </string>
 </resources>

BookAStar/BookAStar.Droid/Resources/xml/account_preferences.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+  <PreferenceCategory android:title="@string/accounts" />
+  <PreferenceScreen
+       android:key="bookingstar_accounts_pref_screen"
+       android:title="@string/pref_screen_title"
+       android:summary="@string/bookingstar_accounts_pref_screen_summary">
+    <intent
+        android:action="bookingstar_accounts_pref_screen.ACTION"
+        android:targetPackage="bookingstar_accounts_pref_screen.package"
+        android:targetClass="bookingstar_accounts_pref_screen.class" />
+  </PreferenceScreen>
+</PreferenceScreen>

BookAStar/BookAStar.Droid/Resources/xml/authenticator.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<account-authenticator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:accountType="typeOfAuthenticator"
+    android:icon="@drawable/icon"
+    android:smallIcon="@drawable/icon"
+    android:label="@string/account_authenticator_label"
+    android:accountPreferences="@xml/account_preferences"
+ />

BookAStar/BookAStar.Droid/Services/AccountChooserService.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using BookAStar.Droid.OAuth;
+
+namespace BookAStar.Droid.Services
+{
+    [Service(
+          Name = "fr.pschneider.bas.AccountChooserService",
+          Label = "Yavsc accounts service",
+          Icon = "@drawable/icon",
+          Exported = true,
+          Enabled = true
+          )]
+    [IntentFilter(new String[] { "android.accounts.AccountAuthenticator" })]
+
+    class AccountChooserService : Service
+    {
+        public static YaOAuth2Authenticator authenticator; 
+        public override void OnCreate()
+        {
+            base.OnCreate();
+            
+           
+
+        }
+
+        public override IBinder OnBind(Intent intent)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BookAStar/BookAStar.Droid/Services/GcmListenerService.cs

@@ -9,6 +9,9 @@ namespace BookAStar.Droid.Services
     using Model.Social;
     using Newtonsoft.Json;
     using Model;
+    using Model.Social;
+    using Data;
+    using System.Linq;
 
     namespace ClientApp
     {
@@ -44,18 +47,27 @@ namespace BookAStar.Droid.Services
                 if (topic == "BookQuery")
                 {
                     DateTime eventdate;
-                    
                     var sdatestr = data.GetString("EventDate");
                     DateTime.TryParse(sdatestr, out eventdate);
 
                     var locationJson = data.GetString("Location");
                     var location = JsonConvert.DeserializeObject<Location>(locationJson);
                     var cid = long.Parse(data.GetString("Id"));
-                    var bq = new BookQueryData
+                    var clientJson = data.GetString("Client");
+                    var client = JsonConvert.DeserializeObject<ClientProviderInfo>(clientJson);
+                    var bq = new BookQuery
                     {
                         Id = cid,
-                        Location = location
+                        Location = location,
+                        Client = client,
+                        Reason = data.GetString("Reason")
                     };
+                    var dateString = data.GetString("EventDate");
+                    DateTime evDate;
+                    if (DateTime.TryParse(dateString, out evDate))
+                    {
+                        bq.EventDate = evDate;
+                    }
 
                     SendBookQueryNotification(bq);
                 }
@@ -82,14 +94,17 @@ namespace BookAStar.Droid.Services
                 notificationManager.Notify(0, notificationBuilder.Build());
             }
 
-            void SendBookQueryNotification(BookQueryData bquery)
+            void SendBookQueryNotification(BookQuery bquery)
             {
-                var bookquerynotifications = MainSettings.AddBookQueryNotification(bquery);
+                DataManager.Instance.BookQueries.Merge(bquery);
+                var bookquerynotifications = DataManager.Instance.BookQueries.Where(
+                    q=> ! q.Read && q.EventDate > DateTime.Now 
+                    ).ToArray();
                 var count = bookquerynotifications.Length;
                 var multiple = count > 1;
                 var title =
                 multiple ? $"{count} demandes" : bquery.Client.UserName;
-                var message = $"{bquery.EventDate} {bquery.Client.UserName} {bquery.Location.Address}";
+                var message = $"{bquery.EventDate} {bquery.Client.UserName} {bquery.Location.Address}\n {bquery.Reason}";
 
                 var intent = new Intent(this, typeof(MainActivity));
                 intent.AddFlags(ActivityFlags.ClearTop);

BookAStar/BookAStar.Droid/Services/MyGcmIntentService.cs

@@ -7,7 +7,6 @@ using Android.Widget;
 
 namespace BookAStar.Droid
 {
-
 	[Service]
 	public class MyGcmIntentService : IntentService
 	{
@@ -31,6 +30,7 @@ namespace BookAStar.Droid
 			intent.SetClass(context, typeof(MyGcmIntentService));
 			context.StartService(intent);
 		}
+
 		static object locker = new object();
 
 		protected override void OnHandleIntent(Intent intent)
@@ -74,16 +74,28 @@ namespace BookAStar.Droid
 
 		void SendNotification (string message)
 		{
-			var intent = new Intent (this, typeof(MainActivity));
+           /* Bundle valuesForActivity = new Bundle();
+            valuesForActivity.PutInt("count", count); */
+
+            var intent = new Intent (this, typeof(MainActivity));
 			intent.AddFlags (ActivityFlags.ClearTop);
 			var pendingIntent = PendingIntent.GetActivity (this, 0, intent, PendingIntentFlags.OneShot);
+            // Construct a back stack for cross-task navigation:
+            TaskStackBuilder stackBuilder = TaskStackBuilder.Create(this);
+            stackBuilder.AddParentStack(Java.Lang.Class.FromType(typeof(MainActivity)));
+            stackBuilder.AddNextIntent(intent);
+
+            // Create the PendingIntent with the back stack:            
+            PendingIntent resultPendingIntent =
+                stackBuilder.GetPendingIntent(0, PendingIntentFlags.UpdateCurrent);
 
-			var notificationBuilder = new Notification.Builder(this)
+            var notificationBuilder = new Notification.Builder(this)
+                .SetAutoCancel(true)
 				.SetSmallIcon (Resource.Drawable.icon)
 				.SetContentTitle ("GCM Message")
 				.SetContentText (message)
-				.SetAutoCancel (true)
+                .SetContentIntent(resultPendingIntent)  // Start 2nd activity when the intent is clicked.
-				.SetContentIntent (pendingIntent);
+                ;
 
 			var notificationManager = (NotificationManager) GetSystemService(Context.NotificationService);
 			notificationManager.Notify (0, notificationBuilder.Build());

BookAStar/BookAStar.iOS/BookAStar.iOS.csproj

@@ -171,10 +171,6 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\Yavsc.Client\Yavsc.Client.csproj">
-      <Project>{67F9D3A8-F71E-4428-913F-C37AE82CDB24}</Project>
-      <Name>Yavsc.Client</Name>
-    </ProjectReference>
     <ProjectReference Include="..\BookAStar\BookAStar.csproj">
       <Project>{A0815650-0A0A-47B0-8826-771F0E1AD137}</Project>
       <Name>BookAStar</Name>

BookAStar/BookAStar/App.xaml

@@ -9,23 +9,31 @@
     <ResourceDictionary>
       
       <Color x:Key="PageBackgroundColor">#FFAAAAFF</Color>
-      <Color x:Key="ContentBackgroundColor">#80AFAFAF</Color>
+      <Color x:Key="DashboardPageBackgroundColor">#FFCCCCFF</Color>
+      
+      <Color x:Key="ContentBackgroundColor">#80FFFFFF</Color>
       <Color x:Key="BackgroundColor">#FFFFFFFF</Color>
       <Color x:Key="LabelBackgroundColor">#FFFFFFFF</Color>
       
       <Color x:Key="PageForegroundColor">#000000</Color>
       <Color x:Key="TextColor">#000000</Color>
       <Color x:Key="LabelColor">#000000</Color>
+      <Color x:Key="ErrorTextColor">#500000</Color>
+      
       <Color x:Key="HeadingTextColor">Black</Color>
       <Color x:Key="NormalTextColor">Blue</Color>
       <Color x:Key="GroupingTextColor">#5050ff</Color>
       <Color x:Key="OddColor">#207AFAFA</Color>
+      <Color x:Key="EmphasisTextColor">#800080</Color>
+      <Color x:Key="QuietTextColor">#404040</Color>
+      <Color x:Key="DisconnectedUserBgColor">#909090</Color>
+      <Color x:Key="ConnectedUserBgColor">#ffffff</Color>
       
+
       <OnPlatform x:TypeArguments="Font" Android="Large" iOS="Large" WinPhone="Large" x:Key="HeaderFont" />
-      <OnPlatform x:TypeArguments="Color" Android="Red" iOS="Red" WinPhone="Red" x:Key="EmphasisTextColor" />
+      <OnPlatform x:TypeArguments="x:Double" Android="22" iOS="22" WinPhone="22" x:Key="LargeFontSize" />
-      <OnPlatform x:TypeArguments="Font" Android="90" iOS="90" WinPhone="90" x:Key="LargeFontSize" />
+      <OnPlatform x:TypeArguments="x:Double" Android="16" iOS="16" WinPhone="16" x:Key="MediumFontSize" />
-      <OnPlatform x:TypeArguments="Font" Android="50" iOS="50" WinPhone="50" x:Key="MediumFontSize" />
+      <OnPlatform x:TypeArguments="x:Double" Android="14" iOS="14" WinPhone="14" x:Key="SmallFontSize" />
-      <OnPlatform x:TypeArguments="Font" Android="40" iOS="40" WinPhone="40" x:Key="SmallFontSize" />
       <OnPlatform x:TypeArguments="x:Double" Android="130" iOS="130" WinPhone="130" x:Key="BigUserAvatarSize" />
       
       <Style x:Key="LabelPageHeadingStyle" TargetType="Label">
@@ -43,12 +51,19 @@
         <Setter Property="VerticalOptions" Value="Start" />
       </Style>
       
+      <Style x:Key="ErrorLabelStyle"  BasedOn="{StaticResource InputLabelStyle}" TargetType="Label">
+        <Setter Property="FontSize" Value="Large" />
+        <Setter Property="FontAttributes" Value="Bold" />
+        <Setter Property="TextColor" Value="{StaticResource ErrorTextColor}" />
+      </Style>
+      
       <Style x:Key="LabelStyle" TargetType="Label">
         <Setter Property="TextColor" Value="{StaticResource LabelColor}" />
         <Setter Property="LineBreakMode" Value="WordWrap" />
+        <Setter Property="HorizontalOptions" Value="FillAndExpand" />
       </Style>
 
-      <Style x:Key="BigLabel"  BasedOn="{StaticResource LabelStyle}" TargetType="Label">
+      <Style x:Key="BigLabelStyle"  BasedOn="{StaticResource LabelStyle}" TargetType="Label">
         <Setter Property="FontSize" Value="Large" />
       </Style>      
       <Style x:Key="ContentLabelStyle"  BasedOn="{StaticResource LabelStyle}" TargetType="Label">
@@ -80,11 +95,14 @@
       </Style>
       
       <Style x:Key="PageStyle" TargetType="ContentPage">
-        <Setter Property="Padding" Value="5,5,5,5" />
+        <Setter Property="Padding" Value="15,15,15,15" />
         <Setter Property="BackgroundColor" Value="{StaticResource PageBackgroundColor}" />
       </Style>
-      
+      <Style x:Key="DashboardPageStyle" TargetType="ContentPage">
-      
+        <Setter Property="Padding" Value="10,10,10,10" />
+        <Setter Property="BackgroundColor" Value="{StaticResource DashboardPageBackgroundColor}" />
+      </Style>
+
     </ResourceDictionary>
   </Application.Resources>
 </Application>

BookAStar/BookAStar/App.xaml.cs

@@ -19,7 +19,6 @@ namespace BookAStar
     using Data;
     using Interfaces;
     using Model;
-    using Model.UI;
     using Pages;
     using Plugin.Connectivity;
     using Model.Social.Messaging;
@@ -27,6 +26,11 @@ namespace BookAStar
     using ViewModels.UserProfile;
     using Pages.UserProfile;
     using ViewModels.EstimateAndBilling;
+    using Pages.EstimatePages;
+    using ViewModels;
+    using Pages.Chat;
+    using System.Collections.Generic;
+    using Model.Social;
 
     public partial class App : Application // superclass new in 1.3
     {
@@ -35,13 +39,14 @@ namespace BookAStar
 
         [Obsolete("Instead using this, use new static properties.")]
         public static App CurrentApp { get { return Current as App; } }
-       
+
+        private static ExtendedMasterDetailPage masterDetail;
         public static bool MasterPresented
         {
             get
-            { return CurrentApp.masterDetail.IsPresented; }
+            { return App.masterDetail.IsPresented; }
             internal set
-            { CurrentApp.masterDetail.IsPresented = value; }
+            { masterDetail.IsPresented = value; }
         }
 
         public void Init()
@@ -63,27 +68,27 @@ namespace BookAStar
             MainSettings.UserChanged += MainSettings_UserChanged;
             CrossConnectivity.Current.ConnectivityChanged += (conSender, args) =>
             { App.IsConnected = args.IsConnected; };
+            SetupHubConnection();
             MainSettings_UserChanged(this, null);
-            if (CrossConnectivity.Current.IsConnected)
+            
-                StartHubConnection();
+                StartConnexion();
         }
 
         // omg
         private void OnError(object sender, EventArgs e)
         {
-            
+
         }
-        
+
         // Called on rotation after OnSuspended
         private void OnClosing(object sender, EventArgs e)
         {
-            
         }
 
         // FIXME Never called.
         private void OnInitialize(object sender, EventArgs e)
         {
-           
+
         }
 
         // called on app startup, not on rotation
@@ -92,17 +97,22 @@ namespace BookAStar
             // TODO special startup pages as
             // notification details or wizard setup page
         }
-
+        private static INavigation Navigation
+        {
+            get
+            {
+                return masterDetail.Detail.Navigation;
+            }
+        }
         // Called on rotation
         private void OnSuspended(object sender, EventArgs e)
         {
-            // TODO save the navigation stack
+            StopConnection();
             int position = 0;
-            
+            DataManager.Instance.AppState.Clear();
-            foreach (Page page in MainPage.Navigation.NavigationStack)
+            foreach (Page page in Navigation.NavigationStack)
             {
-
+                DataManager.Instance.AppState.Add(
-                DataManager.Current.AppState.Add(
                     new PageState
                     {
                         Position = position++,
@@ -110,28 +120,35 @@ namespace BookAStar
                         BindingContext = page.BindingContext
                     });
             }
-            DataManager.Current.AppState.SaveEntity();
+            DataManager.Instance.AppState.SaveEntity();
         }
 
         // called on app startup, after OnStartup, not on rotation
         private void OnAppResumed(object sender, EventArgs e)
         {
+            StartConnexion();
             // TODO restore the navigation stack 
             base.OnResume();
-            foreach (var pageState in DataManager.Current.AppState)
+            foreach (var pageState in DataManager.Instance.AppState)
             {
-                var pageType = Type.GetType(pageState.PageType);
+                if (pageState.PageType != null)
-                NavigationService.NavigateTo(
+                {
-                    pageType, true, pageState.BindingContext);
+                    var pageType = Type.GetType(pageState.PageType);
+                    if (pageState.BindingContext != null)
+                        NavigationService.NavigateTo(
+                           pageType, false, pageState.BindingContext);
+                    else NavigationService.NavigateTo(
+                        pageType, false);
+                }
             }
-            DataManager.Current.AppState.Clear();
+            DataManager.Instance.AppState.Clear();
-            DataManager.Current.AppState.SaveEntity();
+            DataManager.Instance.AppState.SaveEntity();
         }
 
         // FIXME Not called? 
         private void OnRotation(object sender, EventArgs<Orientation> e)
         {
-            
+
         }
 
         public static GenericConfigSettingsMgr ConfigManager { protected set; get; }
@@ -139,9 +156,6 @@ namespace BookAStar
         private void Configure(IXFormsApp app)
         {
             ViewFactory.EnableCache = true;
-            ViewFactory.Register<ChatPage, ChatViewModel>(
-                r=> new ChatViewModel { ChatUser = MainSettings.UserName }
-                );
             ViewFactory.Register<DashboardPage, DashboardViewModel>(
                  resolver => new DashboardViewModel());
             ViewFactory.Register<BookQueryPage, BookQueryViewModel>();
@@ -150,12 +164,11 @@ namespace BookAStar
             ViewFactory.Register<EditEstimatePage, EditEstimateViewModel>();
             ViewFactory.Register<UserFiles, DirectoryInfoViewModel>();
             ViewFactory.Register<UserProfilePage, UserProfileViewModel>();
+            ViewFactory.Register<EstimateSigningPage, EditEstimateViewModel>();
             ConfigManager = new GenericConfigSettingsMgr(s =>
            MainSettings.AppSettings.GetValueOrDefault<string>(s, MainSettings.SettingsDefault), null);
         }
 
-        ExtendedMasterDetailPage masterDetail;
-
         public App(IPlatform instance)
         {
             // This declaration became obsolete by introduction
@@ -170,39 +183,64 @@ namespace BookAStar
             Init();
             // Builds the Main page
             BuildMainPage();
-            
+
         }
 
         BookQueriesPage bQueriesPage;
         AccountChooserPage accChooserPage;
         HomePage homePage;
-        UserProfilePage userProfilePage;
+
+        private static UserProfilePage userProfilePage;
+
+        public static UserProfilePage UserProfilePage
+           { get { return userProfilePage; } }
+
         ChatPage chatPage;
 
-        private void ShowPage(Page page)
+        public static void ShowPage(Page page)
         {
-            if (masterDetail.Detail.Navigation.NavigationStack.Contains(page))
+            if (Navigation.NavigationStack.Contains(page))
             {
-                if (masterDetail.Detail.Navigation.NavigationStack.Last() == page) return;
+                if (Navigation.NavigationStack.Last() == page) return;
-                masterDetail.Detail.Navigation.RemovePage(page);
+                Navigation.RemovePage(page);
                 page.Parent = null;
             }
-            masterDetail.Detail.Navigation.PushAsync(page);
+            Navigation.PushAsync(page);
         }
 
         private void BuildMainPage()
         {
+            // TODO
+            // in case of App resume, 
+            // do not create new BindingContext's,
+            // but use those from the AppState property
             accChooserPage = new AccountChooserPage();
 
+            var bookQueries = new BookQueriesViewModel();
+
+            var userprofile = new UserProfileViewModel();
+
             bQueriesPage = new BookQueriesPage
             {
                 Title = "Demandes",
                 Icon = "icon.png",
-                BindingContext = new BookQueriesViewModel()
+                BindingContext = bookQueries
             };
-            homePage = new HomePage() { Title = "Accueil", Icon = "icon.png" };
+
-            userProfilePage = new UserProfilePage { Title = "Profile utilisateur", Icon = "ic_corp_icon.png",
+            homePage = new HomePage() {
-                BindingContext = new UserProfileViewModel() };
+                Title = "Accueil",
+                Icon = "icon.png" };
+
+            homePage.BindingContext = new HomeViewModel {
+                BookQueries = bookQueries,
+                UserProfile = userprofile };
+
+            userProfilePage = new UserProfilePage {
+                Title = "Profile utilisateur",
+                Icon = "ic_corp_icon.png",
+                BindingContext = userprofile
+            };
+
             chatPage = new ChatPage
             {
                 Title = "Chat",
@@ -259,11 +297,11 @@ namespace BookAStar
             masterDetail.ToolbarItems.Add(tiPubChat);
             this.MainPage = masterDetail;
             
-            NavigationService = new NavigationService(masterDetail.Detail.Navigation);
+            NavigationService = new NavigationService(Navigation);
         }
         public static Task<string> DisplayActionSheet(string title, string cancel, string destruction, string [] buttons)
         {
-            var currentPage = CurrentApp.masterDetail.Detail.Navigation.NavigationStack.Last();
+            var currentPage = Navigation.NavigationStack.Last();
             return currentPage.DisplayActionSheet(title, cancel, destruction, buttons);
         }
 
@@ -293,7 +331,7 @@ namespace BookAStar
                     if (isConnected)
                     {
                         // TODO Start all cloud related stuff 
-                        CurrentApp.StartHubConnection();
+                        StartConnexion();
                     }
                     
                 }
@@ -308,18 +346,20 @@ namespace BookAStar
             }
         }
         // Start the Hub connection
-        public async void StartHubConnection ()
+        public static async void StartConnexion ()
         {
-            try
+            if (CrossConnectivity.Current.IsConnected)
+                try
             {
+                    if (chatHubConnection.State == ConnectionState.Disconnected)
                 await chatHubConnection.Start();
             }
-            catch (WebException webex )
+            catch (WebException  )
             {
                 // TODO use webex, set this cx down status somewhere,
                 // & display it & maybe try again later.
             }
-            catch (Exception ex)
+            catch (Exception )
             {
                 // TODO use ex
             }
@@ -327,36 +367,53 @@ namespace BookAStar
 
         public void SetupHubConnection()
         {
+            if (chatHubConnection != null)
+                chatHubConnection.Dispose();
             chatHubConnection = new HubConnection(Constants.SignalRHubsUrl);
             chatHubConnection.Error += ChatHubConnection_Error;
 
             chatHubProxy = chatHubConnection.CreateHubProxy("ChatHub");
             chatHubProxy.On<string, string>("addPV", (n, m) => {
-                DataManager.Current.PrivateMessages.Add(
+                var msg = new ChatMessage
-                    new ChatMessage
+                {
-                    {
+                    Message = m,
-                        Message = m,
+                    SenderId = n,
-                        SenderId = n,
+                    Date = DateTime.Now
-                        Date = DateTime.Now
+                };
-                    }
+                DataManager.Instance.PrivateMessages.Add(
+                    msg
                     );
+                DataManager.Instance.ChatUsers.OnPrivateMessage(msg);
             });
         }
-
+        public static  void StopConnection()
-        private void MainSettings_UserChanged(object sender, EventArgs e)
         {
-            if (MainSettings.CurrentUser == null)
+            try
             {
-                chatHubConnection.Dispose();
+                if (chatHubConnection.State != ConnectionState.Disconnected)
-                chatHubConnection = null;
+                chatHubConnection.Stop();
-                chatHubProxy = null;
             }
-            else
+            catch (WebException)
+            {
+                // TODO use webex, set this cx down status somewhere,
+                // & display it & maybe try again later.
+            }
+            catch (Exception)
+            {
+                // TODO use ex
+            }
+        }
+        private void MainSettings_UserChanged(object sender, EventArgs e)
+        {
+            StopConnection();
+            if (MainSettings.CurrentUser != null)
             {
                 var token = MainSettings.CurrentUser.YavscTokens.AccessToken;
-                SetupHubConnection();
+                if (chatHubConnection.Headers.ContainsKey("Authorization"))
+                    chatHubConnection.Headers.Remove("Authorization");
                 chatHubConnection.Headers.Add("Authorization", $"Bearer {token}");
             }
+            StartConnexion();
         }
 
         private void ChatHubConnection_Error(Exception obj)
@@ -379,18 +436,18 @@ namespace BookAStar
             }
         }
 
-        public void PostDeviceInfo()
+        public static void PostDeviceInfo()
         {
             var info = PlatformSpecificInstance.GetDeviceInfo();
             if (!string.IsNullOrWhiteSpace(info.GCMRegistrationId))
                 PlatformSpecificInstance.InvokeApi("gcm/register", info);
         }
 
-        public static void ShowBookQuery (BookQueryData query)
+        public static void ShowBookQuery (BookQuery query)
         {
-            var page = ViewFactory.CreatePage<BookQueryViewModel
+            var page = new BookQueryPage
-                 , BookQueryPage>((b, p) => p.BindingContext = new BookQueryViewModel(query));
+            { BindingContext = new BookQueryViewModel(query) };
-            App.Current.MainPage.Navigation.PushAsync(page as Page);
+            ShowPage(page);
         }
     }
 }

BookAStar/BookAStar/Behaviors/MaxLengthValidator.cs

@@ -1,63 +0,0 @@
-using Xamarin.Forms;
-
-namespace BookAStar.Behaviors
-{
-    public class EditorMaxLengthValidator : Behavior<Editor>
-    {
-        public static readonly BindableProperty MaxLengthProperty = BindableProperty.Create("MaxLength", typeof(int), typeof(MaxLengthValidator), 0);
-
-        public int MaxLength
-        {
-            get { return (int)GetValue(MaxLengthProperty); }
-            set { SetValue(MaxLengthProperty, value); }
-        }
-
-        protected override void OnAttachedTo(Editor bindable)
-        {
-            bindable.TextChanged += bindable_TextChanged;
-        }
-
-        public bool IsValid { get; set; }
-
-        private void bindable_TextChanged(object sender, TextChangedEventArgs e)
-        {
-            IsValid = e.NewTextValue == null? false : ( e.NewTextValue.Length > 0 && e.NewTextValue.Length <= MaxLength ) ;
-            if (!IsValid) if (e.NewTextValue!=null) if (e.NewTextValue.Length > MaxLength)
-                ((Editor)sender).Text = e.NewTextValue.Substring(0, MaxLength);
-        }
-
-        protected override void OnDetachingFrom(Editor bindable)
-        {
-            bindable.TextChanged -= bindable_TextChanged;
-        }
-    }
-    public class MaxLengthValidator : Behavior<Entry>
-    {
-        public static readonly BindableProperty MaxLengthProperty = BindableProperty.Create("MaxLength", typeof(int), typeof(MaxLengthValidator), 0);
-
-        public int MaxLength
-        {
-            get { return (int)GetValue(MaxLengthProperty); }
-            set { SetValue(MaxLengthProperty, value); }
-        }
-
-        protected override void OnAttachedTo(Entry bindable)
-        {
-            bindable.TextChanged += bindable_TextChanged;
-        }
-
-        private void bindable_TextChanged(object sender, TextChangedEventArgs e)
-        {
-            //if (MaxLength != null && MaxLength.HasValue)
-            if (e.NewTextValue.Length > MaxLength)
-                ((Entry)sender).Text = e.NewTextValue.Substring(0, MaxLength);
-        }
-
-        protected override void OnDetachingFrom(Entry bindable)
-        {
-            bindable.TextChanged -= bindable_TextChanged;
-            
-        }
-        
-    }
-}

BookAStar/BookAStar/BookAStar.csproj

@@ -42,23 +42,43 @@
     </Compile>
     <Compile Include="Attributes\CurrencyAttribute.cs" />
     <Compile Include="Attributes\DisplayAttribute.cs" />
-    <Compile Include="Behaviors\EmailValidatorBehavior.cs" />
+    <Compile Include="Converters\Behaviors\EmailValidatorBehavior.cs" />
-    <Compile Include="Behaviors\IntegerEntryBehavior.cs" />
+    <Compile Include="Converters\Behaviors\IntegerEntryBehavior.cs" />
-    <Compile Include="Behaviors\MaxLengthValidator.cs" />
+    <Compile Include="Converters\Behaviors\EditorMaxLengthValidator.cs" />
-    <Compile Include="Behaviors\DecimalValidatorBehavior.cs" />
+    <Compile Include="Converters\Behaviors\DecimalValidatorBehavior.cs" />
-    <Compile Include="Behaviors\PickerBehavior.cs" />
+    <Compile Include="Converters\Behaviors\MarkdownViewLengthValidator.cs" />
-    <Compile Include="Behaviors\StarBehavior.cs" />
+    <Compile Include="Converters\Behaviors\PickerBehavior.cs" />
+    <Compile Include="Converters\Behaviors\RegexValidatorBehavior.cs" />
+    <Compile Include="Converters\Behaviors\StarBehavior.cs" />
     <Compile Include="Constants.cs" />
     <Compile Include="Converters\NotValueConverter.cs" />
     <Compile Include="Converters\SignalRConnectionStateToObject.cs" />
-    <Compile Include="Data\LocalState.cs" />
+    <Compile Include="Data\ApiCallFailedException.cs" />
+    <Compile Include="Data\EstimateEntity.cs" />
     <Compile Include="Data\NonCrUD\RemoteFiles.cs" />
+    <Compile Include="Model\Access\BlackListed.cs" />
+    <Compile Include="Model\Booking\MusicalPreference.cs" />
+    <Compile Include="Model\Booking\MusicalTendency.cs" />
     <Compile Include="Model\FileSystem\UserDirectoryInfo.cs" />
     <Compile Include="Model\FileSystem\UserFileInfo.cs" />
     <Compile Include="Model\Settings\SignatureSettings.cs" />
-    <Compile Include="Model\Social\Messaging\ChatStatus.cs" />
+    <Compile Include="Model\Social\Chat\ChatStatus.cs" />
-    <Compile Include="Model\Social\Messaging\PrivateMessage.cs" />
+    <Compile Include="Model\Social\Chat\ChatMessage.cs" />
-    <Compile Include="Model\UI\PageState.cs" />
+    <Compile Include="Model\Social\LocationType.cs" />
+    <Compile Include="Pages\ClientPages\SearchPage.xaml.cs">
+      <DependentUpon>SearchPage.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="ViewModels\HomeViewModel.cs" />
+    <Compile Include="ViewModels\Messaging\ChatUserCollection.cs" />
+    <Compile Include="ViewModels\Messaging\ChatUserInfo.cs" />
+    <Compile Include="Model\Social\Chat\Connection.cs" />
+    <Compile Include="ViewModels\Searching\SearchingAnArtistViewModel.cs" />
+    <Compile Include="ViewModels\Validation\Error.cs" />
+    <Compile Include="ViewModels\Validation\ModelState.cs" />
+    <Compile Include="ViewModels\PageState.cs" />
+    <Compile Include="Pages\EstimatePages\EstimateSigningPage.xaml.cs">
+      <DependentUpon>EstimateSigningPage.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Pages\EstimatePages\EstimatesClientPage.xaml.cs">
       <DependentUpon>EstimatesClientPage.xaml</DependentUpon>
     </Compile>
@@ -85,14 +105,15 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Strings.en.resx</DependentUpon>
     </Compile>
-    <Compile Include="ViewModels\EditingViewModel.cs" />
+    <Compile Include="ViewModels\Validation\EditingViewModel.cs" />
     <Compile Include="Pages\DocSigning.xaml.cs">
       <DependentUpon>DocSigning.xaml</DependentUpon>
     </Compile>
-    <Compile Include="ViewModels\Signing\DocSigningViewModel.cs" />
+    <Compile Include="ViewModels\Signing\EstimateSigningViewModel.cs" />
     <Compile Include="ViewModels\Signing\SignaturePadConfigViewModel.cs" />
     <Compile Include="ViewModels\UserProfile\UserProfileViewModel.cs" />
     <Compile Include="ViewModels\UserProfile\DirectoryInfoViewModel.cs" />
+    <Compile Include="ViewModels\Validation\ErrorSeverity.cs" />
     <Compile Include="Views\EnumPicker.cs" />
     <Compile Include="Converters\BooleanToObjectConverter.cs" />
     <Compile Include="Converters\EnumConverter.cs" />
@@ -126,7 +147,7 @@
     <Compile Include="Pages\EstimatePages\BookQueryPage.xaml.cs">
       <DependentUpon>BookQueryPage.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Pages\ChatPage.xaml.cs">
+    <Compile Include="Pages\Chat\ChatPage.xaml.cs">
       <DependentUpon>ChatPage.xaml</DependentUpon>
     </Compile>
     <Compile Include="Pages\EstimatePages\EditBillingLinePage.xaml.cs">
@@ -143,7 +164,7 @@
     <Compile Include="Interfaces\IPlatform.cs" />
     <Compile Include="Model\Blog\Blog.cs" />
     <Compile Include="Model\Blog\BlogTag.cs" />
-    <Compile Include="Model\BookQueryData.cs" />
+    <Compile Include="Model\Booking\BookQuery.cs" />
     <Compile Include="Model\Market\BaseProduct.cs" />
     <Compile Include="Model\Workflow\BillingLine.cs" />
     <Compile Include="Model\Manager.cs" />
@@ -183,7 +204,7 @@
     <Compile Include="Pages\EstimatePages\EditEstimatePage.xaml.cs">
       <DependentUpon>EditEstimatePage.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Pages\Oooops\HomePage.xaml.cs">
+    <Compile Include="Pages\HomePage.xaml.cs">
       <DependentUpon>HomePage.xaml</DependentUpon>
     </Compile>
     <Compile Include="Pages\Oooops\PinPage.cs" />
@@ -198,9 +219,6 @@
     <Compile Include="Views\ImageButton.cs" />
     <Compile Include="Views\MarkdownView.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Pages\Oooops\SearchPage.xaml.cs">
-      <DependentUpon>SearchPage.xaml</DependentUpon>
-    </Compile>
     <Compile Include="Pages\UserProfile\AccountChooserPage.xaml.cs">
       <DependentUpon>AccountChooserPage.xaml</DependentUpon>
     </Compile>
@@ -233,17 +251,13 @@
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <EmbeddedResource Include="Pages\Oooops\SearchPage.xaml">
-      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
-      <SubType>Designer</SubType>
-    </EmbeddedResource>
     <EmbeddedResource Include="Pages\UserProfile\AccountChooserPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <Folder Include="Model\Billing\" />
+    <Folder Include="Model\UI\" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="ExifLib, Version=1.0.1.0, Culture=neutral, processorArchitecture=MSIL">
@@ -272,6 +286,12 @@
     <Reference Include="Plugin.Connectivity.Abstractions">
       <HintPath>..\..\packages\Xam.Plugin.Connectivity.2.2.12\lib\MonoAndroid10\Plugin.Connectivity.Abstractions.dll</HintPath>
     </Reference>
+    <Reference Include="Plugin.Media">
+      <HintPath>..\..\packages\Xam.Plugin.Media.2.3.0\lib\portable-net45+wp8+wpa81+win8+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Plugin.Media.dll</HintPath>
+    </Reference>
+    <Reference Include="Plugin.Media.Abstractions">
+      <HintPath>..\..\packages\Xam.Plugin.Media.2.3.0\lib\portable-net45+wp8+wpa81+win8+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Plugin.Media.Abstractions.dll</HintPath>
+    </Reference>
     <Reference Include="Plugin.Settings, Version=2.5.1.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Xam.Plugins.Settings.2.5.1.0\lib\portable-net45+wp80+win8+wpa81\Plugin.Settings.dll</HintPath>
       <Private>True</Private>
@@ -296,6 +316,9 @@
       <HintPath>..\..\packages\Microsoft.Net.Http.2.2.29\lib\portable-net45+win8+wpa81\System.Net.Http.Primitives.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Web.Services">
+      <HintPath>..\..\..\..\..\..\..\Program Files (x86)\Reference Assemblies\Microsoft\Framework\MonoAndroid\v1.0\System.Web.Services.dll</HintPath>
+    </Reference>
     <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Xamarin.Forms.2.3.2.127\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Core.dll</HintPath>
       <Private>True</Private>
@@ -351,12 +374,6 @@
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\Yavsc.Client\Yavsc.Client.csproj">
-      <Project>{67f9d3a8-f71e-4428-913f-c37ae82cdb24}</Project>
-      <Name>Yavsc.Client</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Pages\EstimatePages\EditEstimatePage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
@@ -390,7 +407,7 @@
     <EmbeddedResource Include="Images\Users\icon_user_settings.png" />
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="Pages\Oooops\HomePage.xaml">
+    <EmbeddedResource Include="Pages\HomePage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
       <SubType>Designer</SubType>
     </EmbeddedResource>
@@ -416,7 +433,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="Pages\ChatPage.xaml">
+    <EmbeddedResource Include="Pages\Chat\ChatPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
       <SubType>Designer</SubType>
     </EmbeddedResource>
@@ -478,6 +495,27 @@
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Pages\EstimatePages\EstimateSigningPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\YavscLib\YavscLib.csproj">
+      <Project>{67f9d3a8-f71e-4428-913f-c37ae82cdb24}</Project>
+      <Name>YavscLib</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Images\Chat\talk.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Pages\ClientPages\SearchPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <Import Project="..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">

BookAStar/BookAStar/Constants.cs

@@ -11,11 +11,13 @@ namespace BookAStar
     {
         public const string ApplicationName = "Booking Star";
 
-        #region Uri
 
 #if DEV
         public const string YavscHomeUrl = "http://dev.pschneider.fr";
 #else
+#if WDEV 
+        public const string YavscHomeUrl = "http://192.168.0.29:5000";
+#else
 #if YAVSC
         public const string YavscHomeUrl = "https://yavsc.pschneider.fr";
 #else
@@ -26,17 +28,19 @@ namespace BookAStar
 #endif
 #endif
 #endif
+#endif
+        public static readonly string AuthorizeUrl = YavscHomeUrl + "/authorize";
+        public static readonly string RedirectUrl = YavscHomeUrl + "/oauth/success";
+        public static readonly string AccessTokenUrl = YavscHomeUrl + "/token";
+
         public static readonly string YavscApiUrl = YavscHomeUrl + "/api";
         public static readonly string MobileRegistrationUrl = YavscApiUrl + "/gcm/register";
         public static readonly string UserInfoUrl = YavscApiUrl + "/me";
         public static readonly string BlogUrl = YavscApiUrl + "/blogs";
         public static readonly string FsUrl = YavscApiUrl + "/fs";
         public static readonly string SignalRHubsUrl = YavscHomeUrl + "/api/signalr/hubs";
-#endregion
 
-#region Permissions ids
         public static int AllowBeATarget = 1;
-#endregion
 
         public static int CloudTimeout = 400;
     }

BookAStar/BookAStar/Converters/Behaviors/EditorMaxLengthValidator.cs

@@ -0,0 +1,80 @@
+using System;
+using Xamarin.Forms;
+
+namespace BookAStar.Behaviors
+{
+    public class EditorMaxLengthValidator : Behavior<Editor>
+    {
+        public static readonly BindableProperty MaxLengthProperty = 
+            BindableProperty.Create("MaxLength", typeof(int), typeof(EditorMaxLengthValidator), int.MaxValue);
+
+        public static readonly BindableProperty MinLengthProperty = 
+            BindableProperty.Create("MinLength", typeof(int), typeof(EditorMaxLengthValidator), 0);
+
+        public static readonly BindableProperty IsValidProperty = 
+            BindableProperty.Create("IsValid", typeof(bool), typeof(EditorMaxLengthValidator), false);
+
+        public static readonly BindableProperty ErrorProperty = 
+            BindableProperty.Create("Error", typeof(string), typeof(EditorMaxLengthValidator), null);
+
+        public int MaxLength
+        {
+            get { return (int) GetValue(MaxLengthProperty); }
+            set { SetValue(MaxLengthProperty, value); }
+        }
+
+        public int MinLength
+        {
+            get { return (int) GetValue(MinLengthProperty); }
+            set { SetValue(MinLengthProperty, value); }
+        }
+
+        protected override void OnAttachedTo(Editor bindable)
+        {
+            bindable.TextChanged += bindable_TextChanged;
+        }
+
+        public bool IsValid {
+            get { return (bool) GetValue(IsValidProperty); }
+            set { SetValue(IsValidProperty, value);
+            }
+        }
+
+        public string Error
+        {
+            get
+            {
+                return (string) GetValue(ErrorProperty);
+            }
+            set
+            {
+                SetValue(ErrorProperty, value);
+            }
+        }
+        private void bindable_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (e.NewTextValue != null && e.NewTextValue.Length >= MinLength)
+            {
+                if (e.NewTextValue.Length > MaxLength)
+                {
+                    ((Editor)sender).Text = e.NewTextValue.Substring(0, MaxLength);
+                    Error = Strings.YourTextWasTooLong;
+                }
+                else Error = "";
+                IsValid = true;
+            }
+            else
+            {
+                Error = string.Format(Strings.MinMaxStringValidationError,
+                    MinLength, MaxLength);
+                IsValid = false;
+            }
+        }
+
+        protected override void OnDetachingFrom(Editor bindable)
+        {
+            bindable.TextChanged -= bindable_TextChanged;
+        }
+    }
+    
+}

BookAStar/BookAStar/Converters/Behaviors/EmailValidatorBehavior.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+
+namespace BookAStar.Behaviors
+{
+    public class EmailValidatorBehavior : RegexValidatorBehavior
+    {
+        const string emailRegex = @"^(?("")("".+?(?<!\\)""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))" +
+            @"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-\w]*[0-9a-z]*\.)+[a-z0-9][\-a-z0-9]{0,22}[a-z0-9]))$";
+
+        public EmailValidatorBehavior()
+        {
+            Regexp = emailRegex;
+        }
+    }
+}

BookAStar/BookAStar/Converters/Behaviors/IntegerEntryBehavior.cs

@@ -6,7 +6,10 @@ namespace BookAStar.Behaviors
     {
         public static readonly BindableProperty MinProperty = BindableProperty.Create("Min", typeof(int), typeof(IntegerEntryBehavior), 0);
         public static readonly BindableProperty MaxProperty = BindableProperty.Create("Max", typeof(int), typeof(IntegerEntryBehavior), 0);
-
+        public static readonly BindableProperty IsValidProperty =
+            BindableProperty.Create("IsValid", typeof(bool), typeof(IntegerEntryBehavior), false);
+        public static readonly BindableProperty ErrorProperty =
+            BindableProperty.Create("Error", typeof(string), typeof(IntegerEntryBehavior), null);
         public int Min
         {
             get { return (int)GetValue(MinProperty); }
@@ -30,8 +33,13 @@ namespace BookAStar.Behaviors
             if (int.TryParse(e.NewTextValue, out val))
             {
                 IsValid = (Min > Max) || (Max >= val && val >= Min);
+                Error = string.Format(Strings.MinMaxIntError, Min, Max);
+            }
+            else
+            {
+                IsValid = false;
+                Error = "";
             }
-            else IsValid = false;
         }
 
         protected override void OnDetachingFrom(Entry bindable)
@@ -39,6 +47,26 @@ namespace BookAStar.Behaviors
             bindable.TextChanged -= bindable_TextChanged;
 
         }
-        public bool IsValid { get; private set; }
+        public bool IsValid
+        {
+            get {
+                return (bool) GetValue(IsValidProperty);
+            }
+            set
+            {
+                SetValue(IsValidProperty, value);
+            }
+        }
+        public string Error
+        {
+            get
+            {
+                return (string) GetValue(ErrorProperty);
+            }
+            set
+            {
+                SetValue(ErrorProperty, value);
+            }
+        }
     }
 }

BookAStar/BookAStar/Converters/Behaviors/MarkdownViewLengthValidator.Cs

@@ -0,0 +1,39 @@
+using BookAStar.Views;
+using Xamarin.Forms;
+
+namespace BookAStar.Behaviors
+{
+    public class MarkdownViewLengthValidator : Behavior<MarkdownView>
+    {
+        public static readonly BindableProperty MaxLengthProperty = BindableProperty.Create("MaxLength", typeof(int), typeof(MarkdownViewLengthValidator), 0);
+        public static readonly BindableProperty MinLengthProperty = BindableProperty.Create("MinLength", typeof(int), typeof(MarkdownViewLengthValidator), 0);
+        public int MaxLength
+        {
+            get { return (int)GetValue(MaxLengthProperty); }
+            set { SetValue(MaxLengthProperty, value); }
+        }
+        public int MinLength
+        {
+            get { return (int)GetValue(MinLengthProperty); }
+            set { SetValue(MinLengthProperty, value); }
+        }
+        protected override void OnAttachedTo(MarkdownView bindable)
+        {
+            bindable.Modified += bindable_TextChanged;
+        }
+
+        public bool IsValid { get; set; }
+
+        private void bindable_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            IsValid = e.NewTextValue == null ? false : (e.NewTextValue.Length >= MinLength && e.NewTextValue.Length <= MaxLength);
+            if (!IsValid) if (e.NewTextValue != null) if (e.NewTextValue.Length > MaxLength)
+                        ((Editor)sender).Text = e.NewTextValue.Substring(0, MaxLength);
+        }
+
+        protected override void OnDetachingFrom(MarkdownView bindable)
+        {
+            bindable.Modified -= bindable_TextChanged;
+        }
+    }
+}

BookAStar/BookAStar/Converters/Behaviors/RegexValidatorBehavior.cs

@@ -1,21 +1,15 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Text.RegularExpressions;
-using System.Threading.Tasks;
 using Xamarin.Forms;
 
 namespace BookAStar.Behaviors
 {
-    public class EmailValidatorBehavior : Behavior<Entry>
+    public class RegexValidatorBehavior : Behavior<Entry>
     {
-        const string emailRegex = @"^(?("")("".+?(?<!\\)""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))" +
+        private string regexp = @"^([\d\w]+)$";
-            @"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-\w]*[0-9a-z]*\.)+[a-z0-9][\-a-z0-9]{0,22}[a-z0-9]))$";
-
         // Creating BindableProperties with Limited write access: http://iosapi.xamarin.com/index.aspx?link=M%3AXamarin.Forms.BindableObject.SetValue(Xamarin.Forms.BindablePropertyKey%2CSystem.Object) 
 
-        static readonly BindablePropertyKey IsValidPropertyKey = BindableProperty.CreateReadOnly("IsValid", typeof(bool), typeof(EmailValidatorBehavior), false);
+        static readonly BindablePropertyKey IsValidPropertyKey = BindableProperty.CreateReadOnly("IsValid", typeof(bool), typeof(RegexValidatorBehavior), false);
 
         public static readonly BindableProperty IsValidProperty = IsValidPropertyKey.BindableProperty;
 
@@ -25,6 +19,19 @@ namespace BookAStar.Behaviors
             private set { base.SetValue(IsValidPropertyKey, value); }
         }
 
+        protected string Regexp
+        {
+            get
+            {
+                return regexp;
+            }
+
+            set
+            {
+                regexp = value;
+            }
+        }
+
         protected override void OnAttachedTo(Entry bindable)
         {
             bindable.TextChanged += HandleTextChanged;
@@ -33,7 +40,7 @@ namespace BookAStar.Behaviors
 
         void HandleTextChanged(object sender, TextChangedEventArgs e)
         {
-            IsValid = (Regex.IsMatch(e.NewTextValue, emailRegex, RegexOptions.IgnoreCase, TimeSpan.FromMilliseconds(250)));
+            IsValid = (Regex.IsMatch(e.NewTextValue, regexp, RegexOptions.IgnoreCase, TimeSpan.FromMilliseconds(250)));
             ((Entry)sender).TextColor = IsValid ? Color.Default : Color.Red;
         }
 

BookAStar/BookAStar/Data/ApiCallFailedException.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BookAStar.Data
+{
+    class ApiCallFailedException : Exception
+    {
+        public ApiCallFailedException(string message) : base(message)
+        {
+
+        }
+
+        public ApiCallFailedException(string message, Exception inner) : base(message, inner)
+        {
+
+        }
+    }
+}

BookAStar/BookAStar/Data/DataManager.cs

@@ -3,45 +3,49 @@
     using Model;
     using Model.Blog;
     using Model.Workflow;
-    using Model.UI;
     using Model.Social.Messaging;
-    using Model.FileSystem;
     using ViewModels.EstimateAndBilling;
     using NonCrUD;
+    using ViewModels;
+    using Model.Access;
+    using ViewModels.Messaging;
+    using Model.Social;
 
     public class DataManager
     {
         // TODO estimatetemplate rating service product tag   
-        public RemoteEntityRO<BookQueryData, long> BookQueries { get; set; }
+        public RemoteEntityRO<BookQuery, long> BookQueries { get; set; }
-        public RemoteEntity<Estimate, long> Estimates { get; set; }
+        public ChatUserCollection ChatUsers { get; set; }
+        public EstimateEntity Estimates { get; set; }
         public RemoteEntity<Blog, long> Blogspot { get; set; }
         internal RemoteFilesEntity RemoteFiles { get; set; }
 
-        public LocalEntity<ClientProviderInfo,string> Contacts { get; set; }
+        public LocalEntity<ClientProviderInfo, string> Contacts { get; set; }
-        internal LocalEntity<PageState, int> AppState { get; set; }
+        internal RemoteEntity<BlackListed, long> BlackList { get; set; }
-        
         /// <summary>
-        /// They have no remote exisence ...
+        /// They've got no remote existence ...
         /// </summary>
         internal LocalEntity<EditEstimateViewModel, long> EstimationCache { get; set; }
         internal LocalEntity<BillingLine, string> EstimateLinesTemplates { get; set; }
         internal LocalEntity<ChatMessage, int> PrivateMessages { get; set; }
-        protected static DataManager current ;
+        internal LocalEntity<PageState, int> AppState { get; set; }
+        internal LocalEntity<string,string> ClientSignatures { get; set; }
+        internal LocalEntity<string, string> ProviderSignatures { get; set; }
 
-        public static DataManager Current 
+        protected static DataManager instance = new DataManager();
+
+        public static DataManager Instance 
         {
             get
             {
-                if (current == null)
+                return instance;
-                    current = new DataManager();
-                return current;
             }
         }
 
         public DataManager()
         {
-            BookQueries = new RemoteEntityRO<BookQueryData, long>("bookquery", q => q.Id);
+            BookQueries = new RemoteEntityRO<BookQuery, long>("bookquery", q => q.Id);
-            Estimates = new RemoteEntity<Estimate, long>("estimate", x => x.Id);
+            Estimates = new EstimateEntity();
             Blogspot = new RemoteEntity<Blog, long>("blog", x=>x.Id);
 
             Contacts = new LocalEntity<ClientProviderInfo, string>(c => c.UserId);
@@ -50,7 +54,8 @@
             EstimateLinesTemplates = new LocalEntity<BillingLine, string>(l => l.Description);
             PrivateMessages = new LocalEntity<ChatMessage, int>(m=> m.GetHashCode());
             RemoteFiles = new RemoteFilesEntity ();
-
+            BlackList = new RemoteEntity<BlackListed, long>("blacklist",u => u.Id);
+            ChatUsers = new ChatUserCollection();
             PrivateMessages.Load();
             BookQueries.Load();
             Estimates.Load();
@@ -60,6 +65,9 @@
             EstimationCache.Load();
             EstimateLinesTemplates.Load();
             RemoteFiles.Load();
+            BlackList.Load();
+            ChatUsers.Load();
+            BlackList.Load();
         }
     }
 }

BookAStar/BookAStar/Data/EstimateEntity.cs

@@ -0,0 +1,62 @@
+
+namespace BookAStar.Data
+{
+    using Helpers;
+    using Model.Workflow;
+    using Newtonsoft.Json;
+    using System;
+    using System.Diagnostics;
+    using System.IO;
+    using System.Net.Http;
+
+    public class EstimateEntity : RemoteEntity<Estimate, long> 
+    {
+        public EstimateEntity() : base("estimate", e => e.Id)
+        {
+        }
+
+        public async void SignAsProvider(Estimate estimate, Stream pngStream)
+        {
+
+            if (estimate.Id == 0)
+            {
+                var ok = await this.Create(estimate);
+                if (!ok)
+                {
+                    await App.DisplayAlert("Erreur d'accès au serveur", "Echec de l'envoi de l'estimation");
+                    return;
+                }
+                this.Add(estimate);
+            }
+            using (HttpClient client = UserHelpers.CreateJsonClient())
+            {
+                try
+                {
+                    var requestContent = new MultipartFormDataContent();
+                    var content = new StreamContent(pngStream);
+                    var filename = $"prosign-{estimate.Id}.png";
+                    content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/octet-stream");
+                    content.Headers.Add("Content-Disposition", $"form-data; name=\"file\"; filename=\"{filename}\"");
+                    requestContent.Add(content, "file", filename);
+                    using (var response = await client.PostAsync(
+                        Constants.YavscApiUrl + $"/pdfestimate/prosign/{estimate.Id}", requestContent))
+                    {
+                        if (!response.IsSuccessStatusCode)
+                        { 
+                            var errContent = await response.Content.ReadAsStringAsync();
+                            throw new ApiCallFailedException($"SignAsProvider: {response.StatusCode} / {errContent}");
+                        }
+                        var json = await response.Content.ReadAsStringAsync();
+                        JsonConvert.PopulateObject(json, estimate);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Debug.WriteLine(ex.ToString());
+                }
+            }
+            this.SaveEntity();
+        }
+
+    }
+}

BookAStar/BookAStar/Data/NonCrUD/RemoteFiles.cs

@@ -6,13 +6,6 @@ namespace BookAStar.Data.NonCrUD
 {
     using Helpers;
     using Model.FileSystem;
-    using System.Linq;
-    /*
-    public class DirectoryEntryChangingEvent : EventArgs
-    {
-        public UserDirectoryInfo OldItem { get; set; }
-        public UserDirectoryInfo NewItem { get; set; }
-    }*/
 
     public class RemoteFilesEntity : RemoteEntity<UserDirectoryInfo, FileAddress>
     {
@@ -24,7 +17,7 @@ namespace BookAStar.Data.NonCrUD
         public override async void Execute(object parameter)
         {
             BeforeExecute();
-            using (var client = UserHelpers.CreateClient())
+            using (var client = UserHelpers.CreateJsonClient())
             {
                 // Get the whole data
                 try

BookAStar/BookAStar/Data/RemoteEntity.cs

@@ -11,6 +11,7 @@ namespace BookAStar.Data
     using Helpers;
     using System.Diagnostics;
     using System.Text;
+    using System.Web;
 
     public class RemoteEntity<V, K> : LocalEntity<V, K>, ICommand where K : IEquatable<K>
     {
@@ -22,7 +23,7 @@ namespace BookAStar.Data
 
         public bool CanExecute(object parameter)
         {
-            return !IsExecuting && (MainSettings.CurrentUser != null);
+            return !IsExecuting;
         }
 
         public RemoteEntity(string controllerName, Func<V, K> getKey) : base(getKey)
@@ -36,7 +37,7 @@ namespace BookAStar.Data
         protected void BeforeExecute()
         {
             if (IsExecuting)
-                throw new InvalidOperationException("Already executing");
+                throw new InvalidOperationException(Strings.AlreadyExecuting);
             IsExecuting = true;
             if (CanExecuteChanged != null)
                 CanExecuteChanged.Invoke(this, new EventArgs());
@@ -49,7 +50,7 @@ namespace BookAStar.Data
         public virtual async void Execute(object parameter)
         {
             BeforeExecute();
-            using (HttpClient client = UserHelpers.CreateClient())
+            using (HttpClient client = UserHelpers.CreateJsonClient())
             {
                 // Get the whole data
                 try
@@ -71,7 +72,7 @@ namespace BookAStar.Data
                 }
                 catch (WebException webex)
                 {
-                    throw new ServiceNotAvailable("No remote entity", webex);
+                    throw new ServiceNotAvailable(Strings.ENoRemoteEntity, webex);
                 }
 
             }
@@ -95,7 +96,7 @@ namespace BookAStar.Data
 
         protected Uri GetUri(K key)
         {
-            return new Uri(ControllerUri.AbsoluteUri + "/" + key.ToString());
+            return new Uri(ControllerUri.AbsoluteUri + "/" + HttpUtility.UrlEncode(key.ToString()));
         }
 
         public virtual async Task<V> RemoteGet(K key)
@@ -105,7 +106,7 @@ namespace BookAStar.Data
             // Get the whole data
             var uri = GetUri(key);
 
-            using (HttpClient client = UserHelpers.CreateClient())
+            using (HttpClient client = UserHelpers.CreateJsonClient())
             {
                 using (var response = await client.GetAsync(uri))
                 {
@@ -123,23 +124,27 @@ namespace BookAStar.Data
             return item;
         }
 
-        public virtual async void Create(V item)
+        public virtual async Task<bool> Create(V item)
         {
+            bool created = false;
             BeforeExecute();
 
-            using (HttpClient client = UserHelpers.CreateClient())
+            using (HttpClient client = UserHelpers.CreateJsonClient())
             {
                 var stringContent = JsonConvert.SerializeObject(item);
+                
                 HttpContent content = new StringContent(
                     stringContent, Encoding.UTF8, "application/json"
                     );
                 using (var response = await client.PostAsync(ControllerUri, content))
                 {
-                    if (!response.IsSuccessStatusCode)
+                    created = response.IsSuccessStatusCode;
+                    if (!created)
                     {
                         // TODO throw custom exception, and catch to inform user
                         var errcontent = await response.Content.ReadAsStringAsync();
-                        Debug.WriteLine($"Create failed posting {stringContent} @ {ControllerUri.AbsoluteUri}: {errcontent}");
+                        Debug.WriteLine(string.Format(Strings.CreationFailed));
+                        Debug.WriteLine(errcontent);
                     }
                     else
                     {
@@ -148,31 +153,35 @@ namespace BookAStar.Data
                         JsonConvert.PopulateObject(recontent, item);
                     }
                 }
-
             }
 
             CurrentItem = item;
             AfterExecuting();
+            return created;
         }
-        public virtual async void Update(V item)
+        public virtual async Task<bool> Update(V item)
         {
+            var updated = false;
             BeforeExecute();
 
             var uri = GetUri(GetKey(item));
-            using (HttpClient client = UserHelpers.CreateClient())
+            using (HttpClient client = UserHelpers.CreateJsonClient())
             {
                 HttpContent content = new StringContent(
                     JsonConvert.SerializeObject(item), Encoding.UTF8, "application/json"
                     );
                 using (var response = await client.PutAsync(uri, content))
                 {
-                    if (!response.IsSuccessStatusCode)
+                    updated = response.IsSuccessStatusCode;
+                    if (!updated)
                     {// TODO throw custom exception, and catch to inform user
                         if (response.StatusCode == HttpStatusCode.BadRequest)
                         {
-                            var recontent = await response.Content.ReadAsStringAsync();
+                            var errorcontent = await response.Content.ReadAsStringAsync();
+                            Debug.WriteLine(string.Format(Strings.UpdateFailed));
+                            Debug.WriteLine(errorcontent);
+
                         }
-                        
                         else Debug.WriteLine($"Update failed ({item} @ {uri.AbsolutePath} )");
 
                     }
@@ -188,13 +197,14 @@ namespace BookAStar.Data
 
             CurrentItem = item;
             AfterExecuting();
+            return updated;
         }
 
         public virtual async void Delete(K key)
         {
             BeforeExecute();
             var uri = GetUri(key);
-            using (HttpClient client = UserHelpers.CreateClient())
+            using (HttpClient client = UserHelpers.CreateJsonClient())
             {
                 using (var response = await client.DeleteAsync(uri))
                 {

BookAStar/BookAStar/Helpers/UserHelpers.cs

@@ -17,18 +17,35 @@ namespace BookAStar.Helpers
         {
             var result = avatarPath == null ?
                 ImageSource.FromResource( "BookAStar.Images.Users.icon_user.png") :
-                avatarPath.StartsWith("res://") ?
+                ImageSource.FromUri(new Uri(Constants.YavscHomeUrl+"/Avatars/"+avatarPath)) ;
-                 ImageSource.FromResource(avatarPath.Substring(6)) :
-                 ImageSource.FromUri(new Uri(avatarPath));
             return result;
         }
 
-        public static HttpClient CreateClient()
+        public static ImageSource SmallAvatar(string avatarPath, string username)
+        {
+            return avatarPath == null ?
+                ImageSource.FromResource("BookAStar.Images.Users.icon_user.png") :
+             ImageSource.FromUri(new Uri($"{Constants.YavscHomeUrl}/Avatars/{username}.s.png"));
+        }
+
+        public static ImageSource ExtraSmallAvatar(string avatarPath, string username)
+        {
+            return avatarPath == null ?
+                   ImageSource.FromResource("BookAStar.Images.Users.icon_user.png") :
+             ImageSource.FromUri(new Uri($"{Constants.YavscHomeUrl}/Avatars/{username}.xs.png"));
+        }
+
+        public static HttpClient CreateJsonClient()
+        {
+            return CreateJsonClient(MainSettings.CurrentUser.YavscTokens.AccessToken);
+        }
+
+        public static HttpClient CreateJsonClient(string accessToken)
         {
             var client = new HttpClient();
             client.DefaultRequestHeaders.Authorization =
                 new System.Net.Http.Headers.AuthenticationHeaderValue(
-                    "Bearer", MainSettings.CurrentUser.YavscTokens.AccessToken);
+                    "Bearer", accessToken);
             client.DefaultRequestHeaders.Add("Accept", "application/json");
             return client;
         }
@@ -42,7 +59,7 @@ namespace BookAStar.Helpers
         /// <returns></returns>
         public static async Task<bool> Upload(Stream inputStream, string fileName)
         {
-            using (var client = CreateClient())
+            using (var client = CreateJsonClient())
             {
                 using (var content =
                     new MultipartFormDataContent("Upload----" + DateTime.Now.ToString(CultureInfo.InvariantCulture)))

BookAStar/BookAStar/Model/Access/BlackListed.cs

@@ -0,0 +1,28 @@
+using BookAStar.Model.Access;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Yavsc.Models;
+
+namespace BookAStar.Model.Access
+{
+    public class BlackListed : IBlackListed
+    {
+        public long Id
+        {
+            get; set;
+        }
+
+        public string OwnerId
+        {
+            get; set;
+        }
+
+        public string UserId
+        {
+            get; set;
+        }
+    }
+}

BookAStar/BookAStar/Model/Auth/User.cs

@@ -1,16 +1,11 @@
 using BookAStar.Helpers;
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Xamarin.Forms;
 
 namespace BookAStar.Model.Auth.Account
-{ 
+{
     public class User : INotifyPropertyChanged
     {
         private string id;
@@ -81,6 +76,20 @@ namespace BookAStar.Model.Auth.Account
                 OnPropertyChanged("Avatar");
             }
         }
+        private string address;
+        public string Address
+        {
+            get
+            {
+                return address;
+            }
+
+            set
+            {
+                address = value;
+                OnPropertyChanged("Address");
+            }
+        }
         [JsonIgnore]
         public ImageSource AvatarSource
         {

BookAStar/BookAStar/Model/Booking/BookQuery.cs

@@ -1,15 +1,16 @@
-using BookAStar.Interfaces;
+
-using BookAStar.Model.Social;
 using System;
 
-namespace BookAStar.Model
+namespace BookAStar.Model.Social
 {
-    public class BookQueryData : IBookQueryData
+    public class BookQuery 
     {
         public ClientProviderInfo Client { get; set; }
         public Location Location { get; set; }
         public long Id { get; set; }
         public DateTime EventDate { get; set; }
         public decimal? Previsionnal { get; set; }
+        public string Reason { get; set; }
+        public bool Read { get; set; }
     }
 }

BookAStar/BookAStar/Model/Booking/MusicalPreference.cs

@@ -0,0 +1,12 @@
+
+namespace BookAStar.Model.Social
+{
+
+  public class MusicalPreference : MusicalTendency {
+
+    public long OwnerId { get; set; }  
+    public int Rate { get; set; }
+
+  } 
+
+}

BookAStar/BookAStar/Model/Booking/MusicalTendency.cs

@@ -0,0 +1,13 @@
+
+namespace BookAStar.Model.Social
+{
+
+  public class MusicalTendency {
+
+    public long Id {get; set; }
+    
+    public string Name { get ; set; }
+      
+  }
+
+}

BookAStar/BookAStar/Model/ClientProviderInfo.cs

@@ -12,22 +12,14 @@ namespace BookAStar.Model
         public string Avatar { get; set; }
         
         public string UserId { get; set; }
+        // TODO Get User Professional status existence as a boolean
+        // And hack the avatar with
         public int Rate { get; set; }
+
         public string EMail { get; set; }
         public string Phone { get; set; }
         public Location BillingAddress { get; set; }
-        // TODO Get User Professional status existence as a boolean
+       
-        // And hack the avatar with
-        [JsonIgnore]
-        public ImageSource AvatarOrNot
-        {
-            get
-            {
-                return UserHelpers.Avatar(Avatar);
-            }
-        }
-
-        public string ChatHubConnectionId { get; set; }
 
         public override string ToString()
         {

BookAStar/BookAStar/Model/Social/Chat/ChatMessage.cs

@@ -1,8 +1,7 @@
-using System;
+using BookAStar.Data;
-using System.Collections.Generic;
+using Newtonsoft.Json;
+using System;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace BookAStar.Model.Social.Messaging
 {
@@ -11,5 +10,6 @@ namespace BookAStar.Model.Social.Messaging
         public DateTime Date { get; set; }
         public string SenderId { get; set; }
         public string Message { get; set; }
+        public bool Read { get; set; }
     }
 }

BookAStar/BookAStar/Model/Social/Chat/Connection.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using YavscLib;
+
+namespace BookAStar.Model.Social.Chat
+{
+    public class Connection : IConnection
+    {
+        public bool Connected
+        {
+            get; set;
+        }
+
+        public string ConnectionId
+        {
+            get; set;
+        }
+
+        public string UserAgent
+        {
+            get; set;
+        }
+    }
+}

BookAStar/BookAStar/Model/Social/LocationType.cs

@@ -0,0 +1,10 @@
+
+namespace BookAStar.Model.Social
+{
+    public class LocationType
+    {
+        public long Id { get; set; }
+
+        public string Name { get; set; }
+    }
+}

BookAStar/BookAStar/Model/Social/Messaging/BookQuery.cs

@@ -7,7 +7,6 @@ namespace BookAStar.Model.Workflow.Messaging
     /// <summary>
     /// Query, for a date, with a given perfomer, at this given place.
     /// </summary>
-
     public class BookQuery  {
     /// <summary>
     /// The command identifier

BookAStar/BookAStar/Model/Tag.cs

@@ -1,5 +1,5 @@
 
-namespace Yavsc.Models
+namespace Yavsc.Model
 {
     public partial class Tag
     {

BookAStar/BookAStar/Model/Workflow/Estimate.cs

@@ -1,6 +1,4 @@
-using BookAStar.Data;
+
-using BookAStar.Helpers;
-using BookAStar.Model.Interfaces;
 using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
@@ -8,6 +6,9 @@ using System.Linq;
 
 namespace BookAStar.Model.Workflow
 {
+    using Data;
+    using Interfaces;
+    using Social;
     public partial class Estimate : IEstimate
     {
         public long Id { get; set; }
@@ -26,6 +27,7 @@ namespace BookAStar.Model.Workflow
         /// <returns></returns>
         public List<string> AttachedGraphics { get; set; }
         [JsonIgnore]
+        // form in db
         public string AttachedGraphicsString
         {
             get { return AttachedGraphics==null?null:string.Join(":", AttachedGraphics); }
@@ -39,6 +41,7 @@ namespace BookAStar.Model.Workflow
         /// </summary>
         /// <returns></returns>
         public List<string> AttachedFiles { get; set; }
+        // form in db
         [JsonIgnore]
         public string AttachedFilesString
         {
@@ -47,16 +50,28 @@ namespace BookAStar.Model.Workflow
         }
         
         public string OwnerId { get; set; }
-        
+        [JsonIgnore]
+        public ClientProviderInfo Owner
+        {
+            get
+            {
+                if (!string.IsNullOrWhiteSpace(OwnerId))
+                {
+                    var dm = DataManager.Instance;
+                    return dm.Contacts.LocalGet(OwnerId);
+                }
+                return null;
+            }
+        }
         public string ClientId { get; set; }
         [JsonIgnore]
-        public BookQueryData Query
+        public BookQuery Query
         {
             get
             {
                 if (CommandId.HasValue)
                 {
-                    var dm = DataManager.Current;
+                    var dm = DataManager.Instance;
                     return dm.BookQueries.LocalGet(CommandId.Value);
                 }
                 return null;
@@ -67,7 +82,7 @@ namespace BookAStar.Model.Workflow
         {
             get
             {
-                return DataManager.Current.Contacts.LocalGet(ClientId);
+                return DataManager.Instance.Contacts.LocalGet(ClientId);
             }
         }
 
@@ -77,9 +92,14 @@ namespace BookAStar.Model.Workflow
                 return Bill?.Aggregate((decimal)0, (t, l) => t + l.Count * l.UnitaryCost) ?? (decimal)0;
             }
         }
-
+        /// <summary>
-        public DateTime LatestValidationDate { get; set; }
+        /// This validation comes first from the provider.
-
+        /// </summary>
+        public DateTime ProviderValidationDate { get; set; }
+        /// <summary>
+        /// Date for the agreement from the client
+        /// </summary>
         public DateTime ClientApprouvalDate { get; set; }
+
     }
 }

BookAStar/BookAStar/Pages/Chat/ChatPage.xaml

@@ -1,15 +1,14 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-            x:Class="BookAStar.Pages.ChatPage"
+            x:Class="BookAStar.Pages.Chat.ChatPage"
             xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
             xmlns:controls="clr-namespace:XLabs.Forms.Controls;assembly=XLabs.Forms"
             xmlns:toolkit="clr-namespace:XLabs.Forms.Mvvm;assembly=XLabs.Forms"
             xmlns:converters="clr-namespace:BookAStar.Converters;assembly=BookAStar"
             xmlns:local="clr-namespace:BookAStar;Assembly:BookAStar"
             xmlns:extensions="clr-namespace:BookAStar.Extensions;assembly=BookAStar"
-             >
+            Style="{StaticResource PageStyle}" >
-   
   <TabbedPage.Resources>
     <ResourceDictionary>
   <converters:SignalRConnectionStateToObject x:Key="cxToStyleImage" x:TypeArguments="Style">
@@ -100,20 +99,15 @@
     <ContentPage Title="Contacts" Icon="peer_to_peer.png" >
       <StackLayout Padding="5, 5, 5, 5">
         <StackLayout Spacing = "12"
-                        Orientation = "Horizontal"
+                        Orientation = "Horizontal">
-                        Padding="5, 0, 5, 0">
+          
-          <Entry x:Name="pvEntry" Placeholder = "enter your private message"
-                 VerticalOptions = "Center"
-                      HorizontalOptions = "FillAndExpand"></Entry>
-          <!--
-         <controls:ExtendedPicker x:Name="contactPicker" Display="{Binding UserName}"></controls:ExtendedPicker>
-        -->
-          <controls:ExtendedPicker x:Name="contactPicker" ItemsSource="{Binding Contacts}" />
-          <Button x:Name="sendPVButton" Text = "Send" HorizontalOptions = "End"
-                           VerticalOptions = "Center"></Button>
         </StackLayout>
-        <ListView x:Name="PVList" HasUnevenRows="true" ItemsSource="{Binding PVs}">
+        
-          <ListView.ItemTemplate HeightRequest="80" 
+         <views:UserListView x:Name="chatUserList" />
+
+        <StackLayout BindingContext="{x:Reference Name=chatUserList}" IsVisible="{Binding HasASelection}">
+        <ListView x:Name="pvList" HasUnevenRows="true" ItemsSource="{Binding SelectedUser.PrivateMessages}" BindingContext="{x:Reference Name=chatUserList}">
+          <ListView.ItemTemplate HeightRequest="80"
                                  VerticalOptions="StartAndExpand">
             <DataTemplate>
               <ViewCell>
@@ -129,7 +123,13 @@
             </DataTemplate>
           </ListView.ItemTemplate>
         </ListView>
-        <!-- <views:UserListView ItemsSource="" /> -->
+
+        <Entry x:Name="pvEntry" Placeholder = "enter your private message"
+                 VerticalOptions = "Center" HorizontalOptions = "FillAndExpand"></Entry>
+
+        <Button x:Name="sendPVButton" Text = "Send" HorizontalOptions = "End"
+                         VerticalOptions = "Center"></Button>
+        </StackLayout>
       </StackLayout>
 
     </ContentPage>

BookAStar/BookAStar/Pages/Chat/ChatPage.xaml.cs

@@ -3,7 +3,7 @@ using System.Diagnostics;
 using Microsoft.AspNet.SignalR.Client;
 using Xamarin.Forms;
 
-namespace BookAStar.Pages
+namespace BookAStar.Pages.Chat
 {
     using Data;
     using System.Linq;
@@ -12,14 +12,28 @@ namespace BookAStar.Pages
     public partial class ChatPage : TabbedPage
     {
         public string ChatUser { get; set; }
+        public ChatPage(ChatViewModel model)
+        {
+            Init();
+            BindingContext = model;
+        }
 
         public ChatPage()
+        {
+            Init();
+        }
+
+        private void Init()
         {
             InitializeComponent();
 
             Title = "Chat";
-            BindingContext = new ChatViewModel();
+            /*
-
+            ToolbarItems.Add(new ToolbarItem(
+                name: "...",
+                icon: null,
+                activated: () => { })); */
+            App.ChatHubConnection.StateChanged += ChatHubConnection_StateChanged;
             sendButton.Clicked += async (sender, args) =>
             {
                 IsBusy = true;
@@ -38,30 +52,34 @@ namespace BookAStar.Pages
 
                 IsBusy = false;
             };
-
+            chatUserList.BindingContext = DataManager.Instance.ChatUsers;
-            sendPVButton.Clicked += async (sender, args) =>
+            
+            
+            sendPVButton.Clicked +=  (sender, args) =>
             {
-                string userName = contactPicker.SelectedItem as string;
+                var dest = chatUserList.SelectedUser;
-                if (string.IsNullOrEmpty(userName)) return;
+                if (dest!=null)
-                var user = DataManager.Current.Contacts.Single(
-                    c => c.UserName == userName);
-                if (string.IsNullOrEmpty(user.ChatHubConnectionId)) return;
-                IsBusy = true;
-                try
-
-                {
-                    await App.ChatHubProxy.Invoke<string>("SendPV", user.ChatHubConnectionId, pvEntry.Text);
-                    pvEntry.Text = null;
-                }
-                catch (Exception ex)
                 {
-                    Debug.WriteLine(ex);
+                    IsBusy = true;
+                    try
+                    {
+                        foreach (var cx in dest.ObservableConnections)
+                        {
+                            if (cx.Connected)
+                                App.ChatHubProxy.Invoke<string>("SendPV", cx.ConnectionId, pvEntry.Text);
+                        }
+                        pvEntry.Text = null;
+                    }
+                    catch (Exception ex)
+                    {
+                        Debug.WriteLine(ex);
+                    }
+                    IsBusy = false;
                 }
-                IsBusy = false;
             };
-            
+
         }
-        
+
         private void ChatHubConnection_StateChanged(StateChange obj)
         {
             Xamarin.Forms.Device.BeginInvokeOnMainThread(

BookAStar/BookAStar/Pages/ClientPages/SearchPage.xaml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
+            xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+            x:Class="BookAStar.Pages.ClientPages.SearchPage"
+            xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
+            xmlns:controls="clr-namespace:XLabs.Forms.Controls;assembly=XLabs.Forms"
+            xmlns:toolkit="clr-namespace:XLabs.Forms.Mvvm;assembly=XLabs.Forms"
+            xmlns:converters="clr-namespace:BookAStar.Converters;assembly=BookAStar"
+            xmlns:local="clr-namespace:BookAStar;Assembly:BookAStar"
+            xmlns:extensions="clr-namespace:BookAStar.Extensions;assembly=BookAStar"
+
+            Style="{StaticResource PageStyle}" >
+
+  <TabbedPage.Children>
+    <ContentPage Title="Une star" Icon="">
+      <StackLayout Orientation="Horizontal">
+        <Editor x:Name="search_phrase" HorizontalOptions="FillAndExpand"/>
+        <Button x:Name="btn_update" HorizontalOptions="End" />
+      </StackLayout>
+      <DatePicker x:Name="search_date" />
+    </ContentPage>
+  </TabbedPage.Children>
+  <TabbedPage.Children>
+    <ContentPage Title="Un DJ" Icon="">
+      <StackLayout Orientation="Horizontal">
+        <Editor x:Name="search_phrase" HorizontalOptions="FillAndExpand"/>
+        <Button x:Name="btn_update" HorizontalOptions="End" />
+      </StackLayout>
+      <DatePicker x:Name="search_date" />
+    </ContentPage>
+  </TabbedPage.Children>
+  <TabbedPage.Children>
+  <ContentPage Title="Un chanteur" Icon="">
+    <StackLayout Orientation="Horizontal">
+      <Editor x:Name="search_phrase" HorizontalOptions="FillAndExpand"/>
+      <Button x:Name="btn_update" HorizontalOptions="End" />
+    </StackLayout>
+    <DatePicker x:Name="search_date" />
+  </ContentPage>
+  </TabbedPage.Children>
+  <TabbedPage.Children>
+    <ContentPage Title="Une formation musicale" Icon="">
+      <StackLayout Orientation="Horizontal">
+        <Editor x:Name="search_phrase" HorizontalOptions="FillAndExpand"/>
+        <Button x:Name="btn_update" HorizontalOptions="End" />
+      </StackLayout>
+      <DatePicker x:Name="search_date" />
+    </ContentPage>
+  </TabbedPage.Children>
+  
+</TabbedPage>

BookAStar/BookAStar/Pages/ClientPages/SearchPage.xaml.cs

@@ -6,11 +6,11 @@ using System.Threading.Tasks;
 
 using Xamarin.Forms;
 
-namespace BookAStar.Pages
+namespace BookAStar.Pages.ClientPages
 {
-    public partial class HomePage : ContentPage
+    public partial class SearchPage : TabbedPage
     {
-        public HomePage()
+        public SearchPage()
         {
             InitializeComponent();
         }

BookAStar/BookAStar/Pages/DocSigning.xaml

@@ -3,7 +3,8 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:signature="clr-namespace:SignaturePad.Forms;assembly=SignaturePad.Forms"
              xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
-             x:Class="BookAStar.ViewModels.Signing.DocSigning">
+             x:Class="BookAStar.ViewModels.Signing.Signing"
+             Style="{StaticResource PageStyle}">
   <StackLayout>
     <views:MarkdownView x:Name="mdView"
                               Editable="False"

BookAStar/BookAStar/Pages/DocSigning.xaml.cs

@@ -9,9 +9,9 @@ using Xamarin.Forms;
 
 namespace BookAStar.ViewModels.Signing
 {
-    public partial class DocSigning : ContentPage
+    public partial class Signing : ContentPage
     {
-        public DocSigning()
+        public Signing()
         {
             InitializeComponent();
         }

BookAStar/BookAStar/Pages/EstimatePages/BookQueriesPage.xaml

@@ -30,29 +30,34 @@
   <ScrollView>
   <StackLayout Padding="10,10,10,10" x:Name="mainLayout">
   <ListView RefreshCommand="{Binding RefreshQueries}"  IsPullToRefreshEnabled="True"
-            ItemsSource="{Binding Queries}" x:Name="list" ItemTapped="OnViewDetail" HasUnevenRows="true" RowHeight="80">
+            ItemsSource="{Binding Queries}" x:Name="list" ItemTapped="OnViewDetail" HasUnevenRows="true"
-    <ListView.ItemTemplate HeightRequest="80" VerticalOptions="StartAndExpand">
+            SeparatorVisibility="Default" SeparatorColor="Black">
+    <ListView.ItemTemplate VerticalOptions="StartAndExpand">
       <DataTemplate>
         <ViewCell>
           <ViewCell.View>
-            <StackLayout Orientation="Horizontal" Padding="10,10,10,10" VerticalOptions="StartAndExpand">
+            <Grid>
-                <StackLayout Orientation="Vertical" 
+              <Grid.RowDefinitions>
-                             HeightRequest="80" VerticalOptions="StartAndExpand">
+                <RowDefinition Height="*" />
-
+                <RowDefinition Height="*" />
-                  <StackLayout Orientation="Vertical" >
+                <RowDefinition Height="*" />
-                    <Image Source="{Binding Client.Avatar}" />
+                <RowDefinition Height="*" />
-                    <Label Text="{Binding Client.UserName}"
+                <RowDefinition Height="*" />
-                      Style="{StaticResource labelStyle}"></Label>
+              </Grid.RowDefinitions>
-                  </StackLayout>
+              <Grid.ColumnDefinitions>
-                  
+                <ColumnDefinition Width="*" />
-                  <Label LineBreakMode="WordWrap" Text="{Binding EventDate, StringFormat='{0:dddd d MMMM à HH:mm}'}" FontSize="12" FontFamily="Italic"/>
+                <ColumnDefinition Width="*" />
-                </StackLayout>
+                <ColumnDefinition Width="*" />
-                <StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand">
+              </Grid.ColumnDefinitions>
-                  <Label LineBreakMode="WordWrap" Text="{Binding Location.Address}"/>
+              <Image Grid.Row="0" Grid.Column="0" Grid.RowSpan="3" Source="{Binding Avatar}" />
-                  <Label Text="{Binding Previsionnal}" />
+              <Label Grid.Row="3" Grid.Column="0" Grid.RowSpan="2" Text="{Binding Client.UserName}"  Style="{StaticResource labelStyle}"></Label>
-                  <Label Text="{Binding Id}" HorizontalTextAlignment="End"/>
+              <Label Grid.Row="0" Grid.Column="1" Grid.ColumnSpan="2" Grid.RowSpan="2" Text="{Binding Data.Reason}"></Label>
-                </StackLayout>
+              <Label Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="2" LineBreakMode="WordWrap" Text="{Binding EventDate, StringFormat='{0:dddd d MMMM à HH:mm}'}" FontFamily="Italic"/>
-            </StackLayout>
+              <Label Grid.Row="3" Grid.Column="1" Grid.ColumnSpan="2" LineBreakMode="WordWrap" Text="{Binding Location.Address}"/>
+              <Label Grid.Row="4" Grid.Column="1" Text="{Binding Previsionnal}" />
+              <Label Grid.Row="4" Grid.Column="2" Text="{Binding Id}" />
+            </Grid>
+               
           </ViewCell.View>
         </ViewCell>
       </DataTemplate>

BookAStar/BookAStar/Pages/EstimatePages/BookQueriesPage.xaml.cs

@@ -14,20 +14,34 @@ namespace BookAStar.Pages
         public BookQueriesPage()
         {
             InitializeComponent();
-            var model = new BookQueriesViewModel();
+            BindingContext = new BookQueriesViewModel();
-            model.RefreshQueries =
+        }
-                new Command( () => {
+
-                    DataManager.Current.BookQueries.Execute(null);
+        public BookQueriesPage(BookQueriesViewModel model)
-                    this.list.EndRefresh();
+        {
-                });
+            InitializeComponent();
-            
             BindingContext = model;
         }
 
+        protected override void OnBindingContextChanged()
+        {
+            BookQueriesViewModel model = (BookQueriesViewModel) BindingContext;
+            if (model!=null)
+            {
+                model.RefreshQueries =
+                    new Command(() =>
+                    {
+                        DataManager.Instance.BookQueries.Execute(null);
+                        this.list.EndRefresh();
+                    });
+            }
+            base.OnBindingContextChanged();
+        }
+
         private void OnViewDetail(object sender, ItemTappedEventArgs e)
         {
-            BookQueryData data = e.Item as BookQueryData;
+            var item = e.Item as BookQueryViewModel;
-            App.NavigationService.NavigateTo<BookQueryPage>(true,data);
+            App.NavigationService.NavigateTo<BookQueryPage>(true,item);
         }
     }
 }

BookAStar/BookAStar/Pages/EstimatePages/BookQueryPage.xaml

@@ -19,20 +19,24 @@
 
   <StackLayout x:Name="bookQueryLayout">
     <StackLayout Orientation="Vertical">
-    <Image Source="{Binding Client.AvatarOrNot}" Aspect="AspectFit" VisualElement.HeightRequest="{StaticResource BigUserAvatarSize}"/>
+    <Image Source="{Binding Avatar}" Aspect="AspectFit" VisualElement.HeightRequest="{StaticResource BigUserAvatarSize}"/>
     <Label Text="{Binding Client.UserName}" />
     <Label Text="{Binding EventDate, StringFormat='le {0:dddd d MMMM yyyy à hh:mm}'}"  />
+    <Label Text="{Binding Data.Reason}" />
     <Label Text="{Binding Location.Address}" />
     <Label Text="{Binding Previsional}" />
     </StackLayout>
     <StackLayout Orientation="Vertical"  HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" >
     <maps:Map x:Name="map" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand"></maps:Map>
       <StackLayout Orientation="Horizontal">
-        <Button Text="{x:Static local:Strings.ViewEstimate}" 
+        
+        <Button Text="{Binding EditEstimateButtonText}" Clicked="OnEditEstimate" />
+        <Button Text="{x:Static local:Strings.DeclineQuery}" Clicked="OnDropQuery" />
+        <Button Text="{x:Static local:Strings.BlockThisUser}" Clicked="OnBlockThisUser" />
+        <Button Text="{x:Static local:Strings.ViewEstimate}"
                 BorderRadius="50" BorderWidth="2" BorderColor="Aqua" x:Name ="btn"
-                IsEnabled="{Binding EstimationDone}"
+                VisualElement.IsVisible="{Binding EstimationDone}"
                 Clicked="OnViewEstimate" Image="exclam.png" />
-        <Button Text="{Binding EditEstimateButtonText}" Clicked="OnEditEstimate" />
       </StackLayout>
     </StackLayout>
   </StackLayout>

BookAStar/BookAStar/Pages/EstimatePages/BookQueryPage.xaml.cs

@@ -7,14 +7,14 @@ namespace BookAStar.Pages
 {
     using Data;
     using EstimatePages;
-    using Model;
+    using Model.Social;
     using Model.Workflow;
     using ViewModels.EstimateAndBilling;
 
     public partial class BookQueryPage : ContentPage
     {
 
-        public BookQueryData BookQuery
+        public BookQuery BookQuery
         {
             get
             {
@@ -32,14 +32,14 @@ namespace BookAStar.Pages
                 var pin = new Pin
                 {
                     Type = PinType.SavedPin,
-                    Position = new Position(
+                    Position = new Xamarin.Forms.Maps.Position
-                        lat, lon),
+                    (lat, lon),
                     Label = BookQuery.Client.UserName,
                     Address = BookQuery.Location.Address
                 };
                 map.Pins.Add(pin);
                 map.MoveToRegion(MapSpan.FromCenterAndRadius(
-                    new Position(lat, lon), Distance.FromMeters(100)));
+                    new Xamarin.Forms.Maps.Position(lat, lon), Distance.FromMeters(100)));
             }
             
         }
@@ -47,14 +47,14 @@ namespace BookAStar.Pages
         {
             InitializeComponent();
         }
-        public BookQueryPage(BookQueryData bookQuery=null)
+        public BookQueryPage(BookQueryViewModel bookQuery =null)
         {
             
             InitializeComponent();
-
+            // when TODO update?
             // Task.Run( async () => { bookQuery = await App.CurrentApp.DataManager.BookQueries.Get(bookQueryId); });
 
-            BindingContext = new BookQueryViewModel(bookQuery);
+            BindingContext = bookQuery;
         }
 
         private void OnEditEstimate(object sender, EventArgs ev)
@@ -65,31 +65,25 @@ namespace BookAStar.Pages
             if (editEstimateViewModel == null)
             {
                 // First search for an existing estimate
-                var estimateToEdit = DataManager.Current.Estimates.FirstOrDefault(
+                editEstimateViewModel = DataManager.Instance.EstimationCache.FirstOrDefault(
-                    estimate=> estimate.CommandId == bookQueryViewModel.Id
+                    estimate=> estimate.Query.Id == bookQueryViewModel.Id
                     );
-                if (estimateToEdit == null)
+                if (editEstimateViewModel == null)
                 {
-                    DataManager.Current.Contacts.Merge(BookQuery.Client);
+                    DataManager.Instance.Contacts.Merge(BookQuery.Client);
-                    DataManager.Current.Contacts.SaveEntity();
+                    DataManager.Instance.Contacts.SaveEntity();
-                    estimateToEdit = new Estimate
+                    editEstimateViewModel = new EditEstimateViewModel( new Estimate
                     {
                         ClientId = BookQuery.Client.UserId,
                         CommandId = BookQuery.Id,
                         OwnerId = MainSettings.CurrentUser.Id,
                         Id = 0
-                    };
+                    });
-                    editEstimateViewModel = new EditEstimateViewModel(estimateToEdit);
+                    DataManager.Instance.EstimationCache.Add(editEstimateViewModel);
                 }
-                else
-                    editEstimateViewModel = new EditEstimateViewModel(estimateToEdit);
-
-                DataManager.Current.EstimationCache.Add(editEstimateViewModel);
             }
             App.NavigationService.NavigateTo<EditEstimatePage>(true,
              editEstimateViewModel);
-
-
         }
 
         private async void OnViewEstimate(object sender, EventArgs ev)
@@ -118,5 +112,13 @@ namespace BookAStar.Pages
             }
             base.OnSizeAllocated(width, height);
         }
+        private void OnBlockThisUser(object sender, EventArgs ev)
+        {
+            throw new NotImplementedException();
+        }
+        private void OnDropQuery(object sender, EventArgs ev)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

BookAStar/BookAStar/Pages/EstimatePages/EditBillingLinePage.xaml

@@ -44,12 +44,16 @@
     <StackLayout x:Name="mainStackLayout">
       <Label Text="Description de la ligne de facture"
              Style="{StaticResource InputLabelStyle}"></Label>
-      <StackLayout Orientation="Horizontal" VerticalOptions="FillAndExpand">
+        <Editor HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Text="{Binding Description, Mode=TwoWay}">
-        <Editor  HorizontalOptions="FillAndExpand" Text="{Binding Description, Mode=TwoWay}">
           <Editor.Behaviors>
-            <behaviors:EditorMaxLengthValidator x:Name="descriptionValidator" MaxLength="512" />
+            <behaviors:EditorMaxLengthValidator x:Name="descriptionLenValidator" MaxLength="12" MinLength="3" />
           </Editor.Behaviors>
         </Editor>
+      <StackLayout Orientation="Horizontal">
+        <Image  x:Name="descriptionSuccessErrorImage"
+           Style="{Binding Source={x:Reference descriptionLenValidator}, Path=IsValid, Converter={StaticResource boolToStyleImage}}" />
+        <Label Text="{Binding Source={x:Reference descriptionLenValidator}, Path=Error}"
+             Style="{StaticResource ErrorLabelStyle}"></Label>
       </StackLayout>
 
       <Label Text="Durée de la prestation"
@@ -74,18 +78,21 @@
       </StackLayout>
 
       <Label Text="Quantité facturée" Style="{StaticResource InputLabelStyle}"></Label>
-      <StackLayout Orientation="Horizontal">
+      
       <Entry Text="{Binding Count, Mode=TwoWay}" Placeholder="Quantité" Keyboard="Numeric"
              Style="{StaticResource BigEntry}">
         <Entry.Behaviors>
           <behaviors:IntegerEntryBehavior x:Name="countValidator" Min="0" Max="10" />
         </Entry.Behaviors>
       </Entry>
-      <Image  x:Name="countSuccessErrorImage"
+        <StackLayout Orientation="Horizontal">
+           <Image  x:Name="countSuccessErrorImage"
                  Style="{Binding Source={x:Reference countValidator}, 
                                 Path=IsValid, 
                                 Converter={StaticResource boolToStyleImage}}" />
-      </StackLayout>
+          <Label Text="{Binding Source={x:Reference countValidator}, Path=Error}"
+             Style="{StaticResource ErrorLabelStyle}"></Label>
+        </StackLayout>
       
       <Label Text="Prix unitaire" Style="{StaticResource InputLabelStyle}"></Label>
       <StackLayout Orientation="Horizontal">
@@ -95,7 +102,7 @@
             <behaviors:DecimalValidatorBehavior x:Name="unitCostValidator" />
           </Entry.Behaviors>
         </Entry>
-        <Label Text="€" Style="{StaticResource BigLabel}" />
+        <Label Text="€" Style="{StaticResource BigLabelStyle}" />
         <Image  x:Name="unitaryCostSuccessErrorImage"
                   Style="{Binding Source={x:Reference unitCostValidator}, 
                                 Path=IsValid, 
@@ -106,7 +113,7 @@
                 Command="{Binding ValidateCommand}"
                 Clicked="OnValidateClicked"></Button>
         <Button Text="Supprimer"
-                    Command="{Binding DeleteCommand}"
+                    Command="{Binding RemoveCommand}"
                     Clicked="OnDeleteClicked"></Button>
       </StackLayout>
     </StackLayout>

BookAStar/BookAStar/Pages/EstimatePages/EditBillingLinePage.xaml.cs

@@ -17,14 +17,17 @@ namespace BookAStar.Pages
                 picker.Items.Add(du);
             BindingContext = model;
         }
+
         public void OnDeleteClicked(object sender, EventArgs e)
         {
-            throw new NotImplementedException();
+            this.Navigation.PopAsync();
         }
+
         public void OnValidateClicked (object sender, EventArgs e)
         {
             this.Navigation.PopAsync();
         }
+
         protected override bool OnBackButtonPressed()
         {
             var bvm = (BillingLineViewModel)BindingContext;

BookAStar/BookAStar/Pages/EstimatePages/EditEstimatePage.xaml

@@ -2,8 +2,11 @@
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="BookAStar.Pages.EditEstimatePage"
+             xmlns:converters="clr-namespace:BookAStar.Converters;assembly=BookAStar"
              xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
              xmlns:local="clr-namespace:BookAStar;assembly=BookAStar"
+             xmlns:behaviors="clr-namespace:BookAStar.Behaviors;assembly=BookAStar"
+             xmlns:extensions="clr-namespace:BookAStar.Extensions;assembly=BookAStar"
              Style="{StaticResource PageStyle}">
   <ContentPage.Resources>
     <ResourceDictionary>
@@ -13,14 +16,32 @@
       <Style TargetType="Button">
         <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
       </Style>
+      <converters:BooleanToObjectConverter x:Key="boolToStyleImage" x:TypeArguments="Style">
+
+        <converters:BooleanToObjectConverter.FalseObject>
+          <Style TargetType="Image">
+            <Setter Property="HeightRequest" Value="20" />
+            <Setter Property="Source"
+                    Value="{extensions:ImageResource BookAStar.Images.Validation.error.png}" />
+          </Style>
+        </converters:BooleanToObjectConverter.FalseObject>
+
+        <converters:BooleanToObjectConverter.TrueObject>
+          <Style TargetType="Image">
+            <Setter Property="HeightRequest" Value="20" />
+            <Setter Property="Source"
+                    Value="{extensions:ImageResource BookAStar.Images.Validation.success.png}" />
+          </Style>
+        </converters:BooleanToObjectConverter.TrueObject>
+
+      </converters:BooleanToObjectConverter>
     </ResourceDictionary>
   </ContentPage.Resources>
   <ContentPage.Content>
-  <ScrollView>
     <StackLayout Padding="10,10,10,10" x:Name="mainLayout">
-      <Grid MinimumHeightRequest="12">
+      <Grid HeightRequest="120">
         <Grid.RowDefinitions>
-          <RowDefinition Height="*" />
+          <RowDefinition Height="2*" />
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
           <ColumnDefinition Width="*" />
@@ -34,18 +55,20 @@
       <Entry Placeholder="Saisissez un titre pour ce devis" Text="{Binding Title, Mode=TwoWay}" />
       <views:MarkdownView x:Name="mdview"
                           Editable="True"
-                          HorizontalOptions="FillAndExpand"
+      Markdown="{Binding Description, Mode=TwoWay}">
-      Markdown="{Binding Description, Mode=TwoWay}"
+        <views:MarkdownView.Behaviors>
-        VerticalOptions="Start" />
+          <behaviors:MarkdownViewLengthValidator x:Name="descriptionLenValidator" MaxLength="512" MinLength="3" />
+
+        </views:MarkdownView.Behaviors>
+      </views:MarkdownView>
 <StackLayout x:Name="biAnVaLayout">
       <ListView x:Name="BillListView" ItemsSource="{Binding Bill}"
-         MinimumHeightRequest="40" HasUnevenRows="true" VerticalOptions="FillAndExpand"
+         HasUnevenRows="true" ItemTapped="OnEditLine">
-                          HeightRequest="40" ItemTapped="OnEditLine">
         <ListView.ItemTemplate>
           <DataTemplate >
             <ViewCell>
-              <ViewCell.View>
+              <ViewCell.View Padding="5,5,5,5" >
-                <Grid MinimumHeightRequest="12">
+                <Grid>
                   <Grid.RowDefinitions>
                     <RowDefinition Height="*" />
                   </Grid.RowDefinitions>
@@ -54,6 +77,7 @@
                     <ColumnDefinition Width="*" />
                     <ColumnDefinition Width="30" />
                     <ColumnDefinition Width="90" />
+                    <ColumnDefinition Width="16" />
                   </Grid.ColumnDefinitions>
                   <Label Text="{Binding Description}"
                          Grid.Row="0" Grid.Column="0" ></Label>
@@ -64,6 +88,9 @@
                   <Label Text="{Binding UnitaryCost}"
                          Grid.Row="0" Grid.Column="3"
                          FontFamily="Monospace"></Label>
+                  <Image Grid.Row="0" Grid.Column="4" Style="{Binding 
+                                Path=ViewModelState.IsValid, 
+                                Converter={StaticResource boolToStyleImage}}" ></Image>
                 </Grid>
               </ViewCell.View>
             </ViewCell>
@@ -73,10 +100,9 @@
 <StackLayout Orientation="Vertical">
       <Button Text="Ajouter une ligne de facture" Clicked="OnNewCommanLine"></Button>
       <Label FormattedText="{Binding FormattedTotal}"/>
-      <Button Text="Valider ce devis" Clicked="OnEstimateValidated" ></Button>
+      <Button x:Name="btnValidate" Text="Valider ce devis" Clicked="OnEstimateValidated" IsEnabled="{Binding ViewModelState.IsValid}" ></Button>
 </StackLayout>
     </StackLayout>
     </StackLayout>
-  </ScrollView>
   </ContentPage.Content>
 </ContentPage>

BookAStar/BookAStar/Pages/EstimatePages/EditEstimatePage.xaml.cs

@@ -4,16 +4,36 @@ using Xamarin.Forms;
 namespace BookAStar.Pages
 {
     using Data;
+    using EstimatePages;
     using Model.Workflow;
     using ViewModels.EstimateAndBilling;
+    using ViewModels.Signing;
 
     public partial class EditEstimatePage : ContentPage
     {
-
+        public EditEstimateViewModel Model
+        {
+            get
+            {
+                return (EditEstimateViewModel)BindingContext;
+            }
+        }
         public EditEstimatePage(EditEstimateViewModel model)
         {
-            InitializeComponent();
             BindingContext = model;
+            Model.CheckCommand = new Action<Estimate, ViewModels.Validation.ModelState>(
+                (e, m) =>
+                {
+                    foreach (var line in model.Bill)
+                    {
+                        line.Check();
+                        if (!line.ViewModelState.IsValid)
+                            model.ViewModelState.AddError("Bill", "invalid line");
+                    }
+                });
+
+            InitializeComponent();
+            Model.Check();
         }
 
         protected override void OnBindingContextChanged()
@@ -24,7 +44,7 @@ namespace BookAStar.Pages
 
         private void EditEstimatePage_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
         {
-            DataManager.Current.EstimationCache.SaveEntity();
+            DataManager.Instance.EstimationCache.SaveEntity();
         }
 
         protected override void OnSizeAllocated(double width, double height)
@@ -46,54 +66,62 @@ namespace BookAStar.Pages
             var bill = ((EditEstimateViewModel)BindingContext).Bill;
             var lineView = new BillingLineViewModel(com)
             { ValidateCommand = new Command(() => {
-                bill.Add(com);
+                bill.Add(new BillingLineViewModel(com));
-                DataManager.Current.EstimationCache.SaveEntity();
+                DataManager.Instance.EstimationCache.SaveEntity();
             })};
-            lineView.PropertyChanged += LineView_PropertyChanged;
             App.NavigationService.NavigateTo<EditBillingLinePage>(
                 true, lineView );
         }
         protected void OnEditLine(object sender, ItemTappedEventArgs e)
         {
-            var line = (BillingLine)e.Item;
-            var bill = ((EditEstimateViewModel)BindingContext).Bill;
-            var lineView = new BillingLineViewModel(line)
-            {
-                ValidateCommand = new Command(() => {
-                    DataManager.Current.EstimationCache.SaveEntity();
-                })
-            };
-            lineView.PropertyChanged += LineView_PropertyChanged;
 
-            lineView.PropertyChanged += LineView_PropertyChanged;
+            var line = (BillingLineViewModel)e.Item;
+            var evm = ((EditEstimateViewModel)BindingContext);
+            // update the validation command, that 
+            // was creating a new line in the bill at creation time,
+            // now one only wants to update the line
+            line.ValidateCommand = new Command(() =>
+            {
+                evm.Check();
+                DataManager.Instance.EstimationCache.SaveEntity();
+            });
+            // and setup a removal command, that was not expected at creation time
+            line.RemoveCommand = new Command(() =>
+            {
+                evm.Bill.Remove(line);
+                evm.Check();
+                DataManager.Instance.EstimationCache.SaveEntity();
+            });
             App.NavigationService.NavigateTo<EditBillingLinePage>(
-                true, lineView );
+                true, line );
-        }
+            BillListView.SelectedItem = null;
-
-
-        private void LineView_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
-        {
-            DataManager.Current.EstimationCache.SaveEntity();
         }
 
-        protected void OnEstimateValidated(object sender, EventArgs e)
+        protected async void OnEstimateValidated(object sender, EventArgs e)
         {
-            var evm = (EditEstimateViewModel)BindingContext;
+            
-            if (evm.Data.Id == 0)
+            var thisPage = this;
+            var evm = (EditEstimateViewModel) BindingContext;
+            var cmd = new Command<bool>( async (validated) =>
             {
-                DataManager.Current.Estimates.Create(evm.Data);
+                if (validated) { 
-                // we have to manually add this item in our local collection,
+                    DataManager.Instance.EstimationCache.Remove(evm);
-                // since we could prefer to update the whole collection
+                    DataManager.Instance.EstimationCache.SaveEntity();
-                // from server, or whatever other scenario
+                }
-                DataManager.Current.Estimates.Add(evm.Data);
+                await thisPage.Navigation.PopAsync();
-            } else
+            });
+            var response = await App.DisplayActionSheet(
+                Strings.SignOrNot, Strings.DonotsignEstimate, 
+                Strings.CancelValidation, new string[] { Strings.Sign  });
+            if (response == Strings.Sign)
             {
-                DataManager.Current.Estimates.Update(evm.Data);
+                App.NavigationService.NavigateTo<EstimateSigningPage>(true, 
+                    new EstimateSigningViewModel(evm.Data) { ValidationCommand = cmd });
             }
-            DataManager.Current.Estimates.SaveEntity();
+            else if (response == Strings.CancelValidation)
-            DataManager.Current.EstimationCache.Remove(evm);
+                return;
-            DataManager.Current.EstimationCache.SaveEntity();
+            else cmd.Execute(true);
-            Navigation.PopAsync();
+            
         }
     }
 }

BookAStar/BookAStar/Pages/EstimatePages/EstimateSigningPage.xaml

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:signature="clr-namespace:SignaturePad.Forms;assembly=SignaturePad.Forms"
+             xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
+             x:Class="BookAStar.Pages.EstimatePages.EstimateSigningPage">
+
+  <ContentPage.Resources>
+    <ResourceDictionary>
+      <Style TargetType="Label">
+        <Setter Property="Style" Value="{StaticResource ContentLabelStyle}" />
+      </Style>
+      <Style TargetType="Button">
+        <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
+      </Style>
+    </ResourceDictionary>
+  </ContentPage.Resources>
+  <ContentPage.Content>
+      <StackLayout Padding="10,10,10,10" x:Name="mainLayout">
+    <ScrollView>
+    <StackLayout>
+        <Grid MinimumHeightRequest="12">
+          <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+          </Grid.RowDefinitions>
+          <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="2*" />
+            <ColumnDefinition Width="*" />
+          </Grid.ColumnDefinitions>
+          <Label Grid.Row="0" Grid.Column="0" Text="{Binding Client.UserName}" ></Label>
+          <Label Grid.Row="0" Grid.Column="1" Text="{Binding Query.Location.Address}"  ></Label>
+          <Label Grid.Row="0" Grid.Column="2" Text="{Binding Query.EventDate, StringFormat='{0:dddd d MMMM yyyy à hh:mm}'}" ></Label>
+        </Grid>
+
+        <Label Text="{Binding Title}"  Style="{StaticResource BigLabelStyle}" />
+
+        <views:MarkdownView x:Name="mdview" 
+           HorizontalOptions="FillAndExpand"
+    Markdown="{Binding Description}"
+     />
+        <ListView x:Name="billListView" ItemsSource="{Binding Bill}"
+       MinimumHeightRequest="40" HasUnevenRows="true" VerticalOptions="FillAndExpand"
+                        HeightRequest="40" >
+          <ListView.ItemTemplate>
+            <DataTemplate >
+              <ViewCell>
+                <ViewCell.View>
+                  <Grid MinimumHeightRequest="12">
+                    <Grid.RowDefinitions>
+                      <RowDefinition Height="*" />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                      <ColumnDefinition Width="*" />
+                      <ColumnDefinition Width="*" />
+                      <ColumnDefinition Width="30" />
+                      <ColumnDefinition Width="90" />
+                    </Grid.ColumnDefinitions>
+                    <Label Text="{Binding Description}"
+                           Grid.Row="0" Grid.Column="0" ></Label>
+                    <Label Text="{Binding Duration, StringFormat=\{0\}}"
+                           Grid.Row="0" Grid.Column="1" ></Label>
+                    <Label Text="{Binding Count}"
+                           Grid.Row="0" Grid.Column="2" ></Label>
+                    <Label Text="{Binding UnitaryCost}"
+                           Grid.Row="0" Grid.Column="3"
+                           FontFamily="Monospace"></Label>
+                  </Grid>
+                </ViewCell.View>
+              </ViewCell>
+            </DataTemplate>
+          </ListView.ItemTemplate>
+        </ListView>
+        <Label FormattedText="{Binding FormattedTotal}"/>
+      <StackLayout Orientation="Horizontal">
+        <Image Source="{Binding ProSignImage}" HorizontalOptions="Start"></Image>
+        <Image Source="{Binding CliSignImage}" HorizontalOptions="End"></Image>
+      </StackLayout>
+</StackLayout>  
+    </ScrollView> 
+         <signature:SignaturePadView x:Name="padView"
+                                    VerticalOptions="FillAndExpand"
+                                    HorizontalOptions="FillAndExpand"
+                          BackgroundColor="White"
+                          CaptionText="{Binding Data.Owner.UserName}" CaptionTextColor="Black"
+                          ClearText="Effacer!" ClearTextColor="Red"
+                          PromptText="Prompt Here" PromptTextColor="Red"
+                          SignatureLineColor="Aqua" StrokeColor="Black" StrokeWidth="2" />
+        <Button Clicked="OnValidate" Text="Valider cette signature" x:Name="btnValidate" />
+       
+      </StackLayout>
+  </ContentPage.Content>
+</ContentPage>

BookAStar/BookAStar/Pages/EstimatePages/EstimateSigningPage.xaml.cs

@@ -0,0 +1,74 @@
+using SignaturePad.Forms;
+using System;
+using System.IO;
+using System.Linq;
+using Xamarin.Forms;
+
+namespace BookAStar.Pages.EstimatePages
+{
+    using Data;
+    using ViewModels.EstimateAndBilling;
+    using ViewModels.Signing;
+
+    public partial class EstimateSigningPage : ContentPage
+    {
+        
+        public EstimateSigningPage(EstimateSigningViewModel model)
+        {
+            InitializeComponent();
+            BindingContext = model;
+        }
+       
+       private async void OnValidate (object sender, EventArgs ev)
+       {
+            btnValidate.IsEnabled = false;
+            if (DataManager.Instance.Estimates.IsExecuting)
+            {
+                await App.DisplayAlert(Strings.OperationPending, Strings.oups);
+                return;
+            }
+
+            var evm = (EditEstimateViewModel)BindingContext;
+            var estimate = evm.Data;
+            var pngStream = await padView.GetImageStreamAsync(SignatureImageFormat.Png);
+            pngStream.Seek(0, SeekOrigin.Begin);
+            DataManager.Instance.Estimates.SignAsProvider(estimate, pngStream);
+            DataManager.Instance.Estimates.SaveEntity();
+            await Navigation.PopAsync();
+
+            var ParentValidationCommand = ((EstimateSigningViewModel)BindingContext).ValidationCommand;
+            if (ParentValidationCommand != null)
+                ParentValidationCommand.Execute(true);
+        }
+
+       
+        private async void OnChangeTheme(object sender, EventArgs e)
+        {
+            var action = await DisplayActionSheet("Change Theme", "Cancel", null, "White", "Black", "Aqua");
+            switch (action)
+            {
+                case "White":
+                    padView.BackgroundColor = Color.White;
+                    padView.StrokeColor = Color.Black;
+                    padView.ClearTextColor = Color.Black;
+                    padView.ClearText = "Clear Markers";
+                    break;
+
+                case "Black":
+                    padView.BackgroundColor = Color.Black;
+                    padView.StrokeColor = Color.White;
+                    padView.ClearTextColor = Color.White;
+                    padView.ClearText = "Clear Chalk";
+                    break;
+
+                case "Aqua":
+                    padView.BackgroundColor = Color.Aqua;
+                    padView.StrokeColor = Color.Red;
+                    padView.ClearTextColor = Color.Black;
+                    padView.ClearText = "Clear The Aqua";
+                    break;
+            }
+            
+        }
+    }
+}

BookAStar/BookAStar/Pages/EstimatePages/EstimatesClientPage.xaml

@@ -1,7 +1,40 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="BookAStar.Pages.EstimatesClientPage">
+             x:Class="BookAStar.Pages.EstimatesClientPage"
-  
+             Style="{StaticResource PageStyle}">
-  <Label Text="{Binding MainText}" VerticalOptions="Center" HorizontalOptions="Center" />
+
+  <ScrollView>
+    <StackLayout Padding="10,10,10,10" x:Name="mainLayout">
+      <ListView RefreshCommand="{Binding RefreshCommand}"  IsPullToRefreshEnabled="True"
+                ItemsSource="{Binding Estimates}" x:Name="estimates" ItemTapped="OnViewDetail" HasUnevenRows="true" RowHeight="80">
+        <ListView.ItemTemplate HeightRequest="80" VerticalOptions="StartAndExpand">
+          <DataTemplate>
+            <ViewCell>
+              <ViewCell.View>
+                <StackLayout Orientation="Horizontal" Padding="10,10,10,10" VerticalOptions="StartAndExpand">
+                  <StackLayout Orientation="Vertical"
+                               HeightRequest="80" VerticalOptions="StartAndExpand">
+
+                    <StackLayout Orientation="Vertical" >
+                      <Image Source="{Binding Owner.Avatar}" />
+                      <Label Text="{Binding Client.UserName}"
+                        Style="{StaticResource labelStyle}"></Label>
+                    </StackLayout>
+
+                    <Label LineBreakMode="WordWrap" Text="{Binding EventDate, StringFormat='{0:dddd d MMMM à HH:mm}'}" FontSize="12" FontFamily="Italic"/>
+                  </StackLayout>
+                  <StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand">
+                    <Label LineBreakMode="WordWrap" Text="{Binding Location.Address}"/>
+                    <Label Text="{Binding Previsionnal}"/>
+                    <Label Text="{Binding Id}" HorizontalTextAlignment="End"/>
+                  </StackLayout>
+                </StackLayout>
+              </ViewCell.View>
+            </ViewCell>
+          </DataTemplate>
+        </ListView.ItemTemplate>
+      </ListView>
+    </StackLayout>
+  </ScrollView>
 </ContentPage>

BookAStar/BookAStar/Pages/EstimatePages/EstimatesProviderPage.xaml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="BookAStar.Pages.EstimatesProviderPage">
+             x:Class="BookAStar.Pages.EstimatesProviderPage"
+             Style="{StaticResource PageStyle}">
 
   <ScrollView>
     <StackLayout Padding="10,10,10,10" x:Name="mainLayout">

BookAStar/BookAStar/Pages/EstimatePages/ViewEstimatePage.xaml

@@ -33,9 +33,6 @@
         </Grid>
 
         <Label Text="{Binding Title}" />
-        
-        <Label Text="{Binding Description}" />
-
         <views:MarkdownView x:Name="mdview"
            HorizontalOptions="FillAndExpand"
     Markdown="{Binding Description}"

BookAStar/BookAStar/Pages/HomePage.xaml

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
+            xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+            xmlns:local="clr-namespace:BookAStar;assembly=BookAStar"
+            x:Class="BookAStar.Pages.HomePage"
+            Style="{StaticResource PageStyle}"
+            Title="Accueil">
+  <ContentPage.Resources>
+    <ResourceDictionary>
+      <Style TargetType="Label">
+        <Setter Property="Style" Value="{StaticResource ContentLabelStyle}" />
+      </Style>
+      <Style TargetType="Button">
+        <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
+      </Style>
+    </ResourceDictionary>
+  </ContentPage.Resources>
+
+  <TabbedPage.Children>
+    <!-- La recherche d'un pro    -->
+    <TabbedPage Title="{x:Static local:Strings.SearchForAPro}" >
+    </TabbedPage>
+
+    <!-- 
+  les derniers sons/videos/articles postés  
+     -->
+    <ContentPage Title="Blogspot">
+      <StackLayout Orientation="Horizontal">
+        <Editor x:Name="search_blog_phrase" HorizontalOptions="FillAndExpand"/>
+        <Button x:Name="btn_blog_update" HorizontalOptions="End" />
+      </StackLayout>
+    </ContentPage>
+
+    <!-- 
+  Les demandes devis en attente de réponse (pro)
+  -->
+    <ContentPage Title="Demandes de devis"
+      IsVisible="{Binding UserProfile.IsAPerformer}">
+      <StackLayout  BindingContext="{Binding BookQueries}">
+
+        <ListView x:Name="querylist"
+                  RefreshCommand="{Binding RefreshQueries}"
+                  IsPullToRefreshEnabled="True"
+                  ItemsSource="{Binding Queries}"
+                  ItemTapped="OnViewBookQueryDetail"
+                  HasUnevenRows="true"
+                  SeparatorVisibility="Default"
+                  SeparatorColor="Black">
+          <ListView.ItemTemplate VerticalOptions="StartAndExpand" >
+            <DataTemplate>
+              <ViewCell>
+                <ViewCell.View>
+                  <Grid>
+                    <Grid.RowDefinitions>
+                      <RowDefinition Height="*" />
+                      <RowDefinition Height="*" />
+                      <RowDefinition Height="*" />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                      <ColumnDefinition Width="*" />
+                      <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+                    <Image Grid.Row="0" Grid.Column="0" Grid.RowSpan="4" Source="{Binding Avatar}" />
+                    <Label Grid.Row="0" Grid.Column="1" Text="{Binding Client.UserName}"  Style="{StaticResource LabelStyle}"></Label>
+                    <Label Grid.Row="1" Grid.Column="1" Text="{Binding Data.Reason}"></Label>
+                    <Label Grid.Row="2" Grid.Column="1" LineBreakMode="WordWrap" Text="{Binding EventDate, StringFormat='{0:dddd d MMMM à HH:mm}'}" FontFamily="Italic"/>
+                    <Label Grid.Row="3" Grid.Column="1" LineBreakMode="WordWrap" Text="{Binding Location.Address}" />
+                  </Grid>
+                </ViewCell.View>
+              </ViewCell>
+            </DataTemplate>
+          </ListView.ItemTemplate>
+        </ListView>
+      </StackLayout>
+    </ContentPage>
+
+
+    <!-- Les signatures de contrat en souffreances (pro) -->
+    <ContentPage Title="Contrats fournisseur" IsVisible="{Binding UserProfile.IsAPerformer}">
+    </ContentPage>
+
+    <!-- Les signatures de contrat en souffreances (client) -->
+    <ContentPage Title="Contrats client" IsVisible="{Binding UserProfile.IsAPerformer}">
+    </ContentPage>
+
+    <!-- Les annonces pro (pro) -->
+    <ContentPage Title="Annonces pro" IsVisible="{Binding UserProfile.IsAPerformer}">
+      <StackLayout Orientation="Horizontal" >
+        <Editor x:Name="search_pub_pro_phrase" HorizontalOptions="FillAndExpand" VerticalOptions="Start"/>
+        <Button x:Name="btn_pro_pub" HorizontalOptions="End" VerticalOptions="Start" Text="Chercher"/>
+      </StackLayout>
+    </ContentPage>
+
+    <!-- les petites annonces des clients (pro)  -->
+    <ContentPage Title="Annonces client" Icon="" IsVisible="{Binding UserProfile.IsAPerformer}">
+      <StackLayout Orientation="Horizontal" >
+        <Editor x:Name="search_pub_cli_phrase" HorizontalOptions="FillAndExpand" VerticalOptions="Start"/>
+        <Button x:Name="btn_cli_pub" HorizontalOptions="End" VerticalOptions="Start"  Text="Chercher"/>
+      </StackLayout>
+    </ContentPage>
+  </TabbedPage.Children>
+
+</TabbedPage>

BookAStar/BookAStar/Pages/HomePage.xaml.cs

@@ -0,0 +1,55 @@
+using Xamarin.Forms;
+
+namespace BookAStar.Pages
+{
+    using Data;
+    using ViewModels;
+    using ViewModels.EstimateAndBilling;
+    public partial class HomePage 
+    {
+        public HomePage()
+        {
+            InitializeComponent();
+        }
+
+        public HomePage(HomeViewModel model)
+        {
+            BindingContext = model;
+        }
+
+        public HomeViewModel Model {
+            get {
+                return (HomeViewModel) BindingContext;
+            }
+            set
+            {
+                BindingContext = value;
+            }
+        }
+
+        protected override void OnBindingContextChanged()
+        {
+            // this technique make this view model
+            // non-sharable between view or pages
+            if (Model != null)
+            {
+                // set the refresh command before using it
+                Model.BookQueries.RefreshQueries =
+                    new Command(() =>
+                    {
+                        DataManager.Instance.BookQueries.Execute(null);
+                        this.querylist.EndRefresh();
+                    });
+            }
+            // Use the new refresh command
+            base.OnBindingContextChanged();
+
+        }
+
+        private void OnViewBookQueryDetail(object sender, ItemTappedEventArgs e)
+        {
+            var item = e.Item as BookQueryViewModel;
+            App.NavigationService.NavigateTo<BookQueryPage>(true, item);
+        }
+    }
+}

BookAStar/BookAStar/Pages/Oooops/HomePage.xaml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
-             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="BookAStar.Pages.HomePage"
-             Style="{StaticResource PageStyle}">
-  <ContentPage.Resources>
-    <ResourceDictionary>
-      <Style TargetType="Label">
-        <Setter Property="Style" Value="{StaticResource ContentLabelStyle}" />
-      </Style>
-      <Style TargetType="Button">
-        <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
-      </Style>
-    </ResourceDictionary>
-  </ContentPage.Resources>
-  <Label Text="Blah" VerticalOptions="Center" HorizontalOptions="Center" />
-</ContentPage>

BookAStar/BookAStar/Pages/Oooops/SearchPage.xaml

@@ -1,55 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" 
-             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             xmlns:local="clr-namespace:BookAStar;Assembly:BookAStar"
-             x:Class="BookAStar.SearchPage" Title="Page de recherche"
-             Style="{StaticResource PageStyle}">
-  <ContentPage.Resources>
-    <ResourceDictionary>
-      <Style TargetType="Label">
-        <Setter Property="Style" Value="{StaticResource ContentLabelStyle}" />
-      </Style>
-      <Style TargetType="Button">
-        <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
-      </Style>
-    </ResourceDictionary>
-  </ContentPage.Resources>
-	<ContentPage.Content>
-	<StackLayout>
-
-    
-	<StackLayout Orientation="Horizontal">
-	<Editor x:Name="search_phrase" HorizontalOptions="FillAndExpand"/>
-	<Button x:Name="btn_update" HorizontalOptions="End" />
-	</StackLayout>
-	<DatePicker x:Name="search_date" />
-
-	<ListView x:Name="list" ItemsSource="{x:Static local:Manager.Events}" 
-	 HasUnevenRows="true">
-				<ListView.ItemTemplate>
-					<DataTemplate>
-					<ViewCell>
-					<ViewCell.View>
-					<StackLayout Orientation="Horizontal">
-					<Image Source="{Binding ImgLocator}" HeightRequest="80" />
-					<StackLayout Orientation="Vertical">
-					 <Label Text="{Binding Title}"/>
-					 <StackLayout Orientation="Horizontal">
-					<StackLayout><Label Text="Heure:" FontAttributes="Italic" FontSize="9" />
-					   <Label Text="{Binding StartDate, StringFormat='{0:H:mm}'}" VerticalOptions="End"/>
-					   </StackLayout>
-					  <StackLayout><Label Text="Lieu:" FontAttributes="Italic" FontSize="9"  VerticalOptions="End"/>
-					  <Label Text="{Binding Location.Name}"/></StackLayout>
-					   
-					   <Label Text="{Binding Promotion}" FontSize="20" TextColor="Yellow" BackgroundColor="#102030"/>
-					 </StackLayout>
-					</StackLayout>
-					</StackLayout>
-					</ViewCell.View>
-					</ViewCell>
-					</DataTemplate>
-				</ListView.ItemTemplate>
-			</ListView>
-	</StackLayout>
-	</ContentPage.Content>
-</ContentPage>

BookAStar/BookAStar/Pages/Oooops/SearchPage.xaml.cs

@@ -1,31 +0,0 @@
-using System;
-using Xamarin.Forms;
-using System.Collections.ObjectModel;
-using BookAStar.Model.Social;
-using BookAStar.Model.Workflow.Messaging;
-using BookAStar.Pages;
-
-namespace BookAStar
-{
-    public partial class SearchPage : ContentPage
-	{
-		public ObservableCollection<LocalizedEvent> Events { get; private set; }
-		public SearchPage ()
-		{
-
-			InitializeComponent ();
-
-			BindingContext = this;
-			Events = Manager.Events;
-			list.ItemTapped += async (object sender, ItemTappedEventArgs e) => {
-				await Navigation.PushAsync(new EventDetail( (YaEvent) e.Item) { Title = "Détail de la soirée" } );
-			};
-			search_date.Date = DateTime.Now;
-			search_date.MinimumDate = DateTime.Now;
-			search_phrase.Text = "Suresnes";
-			btn_update.Clicked += (object sender, EventArgs e) => {
-				// 
-			};
-		}
-	}
-}

BookAStar/BookAStar/Pages/UserProfile/AccountChooserPage.xaml

@@ -3,7 +3,8 @@
              xmlns:local="clr-namespace:BookAStar;assembly=BookAStar"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="BookAStar.Pages.UserProfile.AccountChooserPage"
-             Title="Paramètres Booking star" Style="{StaticResource PageStyle}"
+             Title="{x:Static local:Strings.UserAccounts}" 
+             Style="{StaticResource PageStyle}"
              xmlns:lc="clr-namespace:XLabs.Forms.Controls;assembly=XLabs.Forms"
              xmlns:lb="clr-namespace:XLabs.Forms.Behaviors;assembly=XLabs.Forms">
 
@@ -13,6 +14,7 @@
     <ListView x:Name="AccountListView"
               SeparatorVisibility="Default"
               VerticalOptions="FillAndExpand"
+              ItemsSource="{x:Static local:MainSettings.AccountList}"
         >
       <ListView.Header>
         <StackLayout Orientation="Horizontal">
@@ -20,17 +22,18 @@
         </StackLayout>
       </ListView.Header>
 
-      <ListView.ItemTemplate HeightRequest="60" VerticalOptions="StartAndExpand">
+      <ListView.ItemTemplate>
         <DataTemplate>
           <ViewCell>
               <Grid Padding="5"
                         ColumnSpacing="10"
                         RowSpacing="2" >
-                <Image Source="{Binding AvatarSource}" HeightRequest="80"
+                <Image Grid.Column="0" Source="{Binding AvatarSource}" HeightRequest="80" />
-                       x:Name="avatarImage"/>
+                <Label Grid.Column="1" Text="{Binding UserName}" >
-                <Label Grid.Column="0" Text="{Binding UserName}" >
-
                 </Label>
+                <Label Grid.Column="2" Text="{Binding EMails.ToString()}" />
+                <Label Grid.Column="3" Text="{Binding Roles.ToString()}" />
+                <Label Grid.Column="4" Text="{Binding Address}" />
               </Grid>
           </ViewCell>
         </DataTemplate>

BookAStar/BookAStar/Pages/UserProfile/AccountChooserPage.xaml.cs

@@ -14,37 +14,24 @@ namespace BookAStar.Pages.UserProfile
    
     public partial class AccountChooserPage : ContentPage
 	{
-        public ICommand RemoteSettingsRefreshCommand { get; private set; }
+        
-
         public AccountChooserPage ()
 		{
 			InitializeComponent ();
 
-            AccountListView.ItemsSource = MainSettings.AccountList;
-
-            this.Musical = MainSettings.Musical;
-            this.Environ = MainSettings.Environ;
-            this.BindingContext = this;
-
             AddAccountBtn.Clicked += AddAccountBtn_Clicked;
 
-             // avatarImage.
             //RemoveAccountBouton.Clicked += RemoveAccountBouton_Clicked;
 
             AccountListView.ItemSelected += Accounts_ItemSelected;
-            DumpParam = new RelayGesture((g, x) =>
+            // MainSettings.UserChanged += MainSettings_UserChanged;
-            {
+        }
-                if (g.GestureType == GestureType.Swipe && g.Direction == Directionality.Left)
+        // Should be useless
-                {
+        private void MainSettings_UserChanged(object sender, EventArgs e)
-                    RemoveAccount();
+        {
-                }
+            AccountListView.SelectedItem = MainSettings.CurrentUser;
-            }); 
+            throw new NotImplementedException();
         }
-
-        public RelayGesture DumpParam { get; set; }
-        public ObservableCollection<User> Accounts { get; private set; }
-        public Dictionary<string, double> Musical { get; private set; }
-        public Dictionary<string, double> Environ { get; private set; }
 
         private void Accounts_ItemSelected(object sender, SelectedItemChangedEventArgs e)
         {
@@ -68,7 +55,6 @@ namespace BookAStar.Pages.UserProfile
         protected override void OnAppearing()
         {
             base.OnAppearing();
-            AccountListView.SelectedItem = MainSettings.CurrentUser;
         }
 
         private void AddAccountBtn_Clicked(object sender, EventArgs e)

BookAStar/BookAStar/Pages/UserProfile/DashboardPage.xaml

@@ -7,7 +7,7 @@
              x:Class="BookAStar.Pages.UserProfile.DashboardPage"
              xmlns:lc="clr-namespace:XLabs.Forms.Controls;assembly=XLabs.Forms"
              xmlns:lb="clr-namespace:XLabs.Forms.Behaviors;assembly=XLabs.Forms"
-             Style="{StaticResource PageStyle}">
+             Style="{StaticResource DashboardPageStyle}">
   <ContentPage.Resources>
     <ResourceDictionary>
       <Style TargetType="Label">
@@ -21,34 +21,43 @@
   <ContentPage.Content>
     <ScrollView>
     <StackLayout BoxView.Color="{StaticResource ContentBackgroundColor}">
-      <Label Text="{Binding UserName}" Style="{StaticResource LabelPageHeadingStyle}"
+      <lc:GesturesContentView>
-                                         HorizontalTextAlignment="Center"
+        <Image Source="{Binding Avatar}"  HeightRequest="{StaticResource BigUserAvatarSize}" >
-                                         LineBreakMode="WordWrap" XAlign="Center"
+          <lb:Gestures.Interests>
-           ></Label>
+            <lb:GestureCollection>
-
+              <lb:GestureInterest GestureType="SingleTap" GestureCommand="{Binding AvatarCommand}" GestureParameter="{Binding Ready}"/>
-
+              <lb:GestureInterest GestureType="LongPress" GestureCommand="{Binding AvatarCommand}" GestureParameter="{Binding Ready}"/>
-       <Image Source="{Binding Avatar}"
+              <lb:GestureInterest GestureType="Swipe" Direction="Left" GestureCommand="{Binding AvatarCommand}" GestureParameter="{Binding Ready}"/>
-                     VisualElement.HeightRequest="{StaticResource BigUserAvatarSize}" />
+              <lb:GestureInterest GestureType="Swipe" Direction="Right" GestureCommand="{Binding AvatarCommand}" GestureParameter="{Binding Ready}"/>
-       <views:RatingView Rating="{Binding Rating, Mode=TwoWay}" x:Name="ratingView" />
+            </lb:GestureCollection>
-
+          </lb:Gestures.Interests>
-      <Button Text="{Binding PerformerStatus}" Clicked="OnViewPerformerStatus" />
+        </Image>
-      <Button Text="{Binding UserQueries}" Clicked="OnViewUserQueries"
+      </lc:GesturesContentView>
-              VisualElement.IsVisible="{Binding UserIsPro}"/>
+      <Button Text="{Binding UserName}"  Clicked="OnRefreshQuery" />
       
-      <Button Text="{Binding UserFilesLabel}" Clicked="OnManageFiles" />
+      <Button Text="{Binding UserFilesText}" Clicked="OnManageFiles" />
-      <StackLayout Orientation="Horizontal" VisualElement.IsVisible="{Binding HaveAnUser}">
+      <StackLayout VisualElement.IsVisible="{Binding HaveAnUser}">
+        <Button Text="{Binding PerformerStatus}" Clicked="OnViewPerformerStatus" />
+        <Button Text="{Binding UserQueries}" Clicked="OnViewUserQueries"
+                VisualElement.IsVisible="{Binding IsAPerformer}"/>
+
+        <StackLayout Orientation="Horizontal">
         <Label Text="Recevoir les notifications push" StyleClass="Header" />
         <Switch IsToggled="{Binding ReceivePushNotifications, Mode=TwoWay}"
                 HorizontalOptions="End" />
+        </StackLayout>
       </StackLayout>
       <StackLayout Orientation="Horizontal">
         <Label Text="Utiliser ma position" StyleClass="Header" />
         <Switch HorizontalOptions="End" IsToggled="{Binding AllowUseMyPosition, Mode=TwoWay}"/>
       </StackLayout>
-      <StackLayout Orientation="Horizontal" VerticalOptions="Start"
+      <StackLayout  VisualElement.IsVisible="{Binding IsAPerformer}" >
-                   VisualElement.IsVisible="{Binding UserIsPro}" >
+        <Label Text="{x:Static local:Strings.Profprof}" Style="{StaticResource LabelStyle}"/>
-        <Label Text="Ne recevoir de demande de devis que de la part de professionnels uniquement" />
+        <views:RatingView Rating="{Binding Rating, Mode=TwoWay}" x:Name="ratingView" />
-        <Switch HorizontalOptions="End" IsToggled="{Binding AllowProBookingOnly, Mode=TwoWay}"/>
+        <StackLayout Orientation="Horizontal" VerticalOptions="Start">
+          <Label Text="{x:Static local:Strings.ClientProRequest}" />
+          <Switch HorizontalOptions="End" IsToggled="{Binding AllowProBookingOnly, Mode=TwoWay}" />
+        </StackLayout>
       </StackLayout>
     </StackLayout>
   </ScrollView>

BookAStar/BookAStar/Pages/UserProfile/DashboardPage.xaml.cs

@@ -5,7 +5,12 @@ using XLabs.Forms.Behaviors;
 namespace BookAStar.Pages.UserProfile
 {
     using Data;
+    using Helpers;
+    using Newtonsoft.Json.Linq;
+    using System.Linq;
+    using System.Net.Http;
     using ViewModels.UserProfile;
+    using XLabs.Forms.Controls;
 
     public partial class DashboardPage : ContentPage
     {
@@ -18,11 +23,43 @@ namespace BookAStar.Pages.UserProfile
         protected override void OnBindingContextChanged()
         {
             base.OnBindingContextChanged();
-            // Assert ((DashboardViewModel)BindingContext!=null)
+        }
-            ((DashboardViewModel)BindingContext).UserNameGesture
+
-                = new RelayGesture( (gesture,arg) => {
+        public async void OnRefreshQuery(object sender, EventArgs e)
-                        ShowPage<AccountChooserPage>(null, true);
+        {
-                    });
+            // TODO disable the button when current user is not registered
+            if (MainSettings.CurrentUser==null)
+                ShowPage<AccountChooserPage>(null, true);
+            else
+            {
+                IsBusy = true;
+                using (var client = UserHelpers.CreateJsonClient())
+                {
+                    using (var request = new HttpRequestMessage(HttpMethod.Get, Constants.UserInfoUrl))
+                    {
+                        using (var response = await client.SendAsync(request))
+                        {
+                            response.EnsureSuccessStatusCode();
+                            string userJson = await response.Content.ReadAsStringAsync();
+                            JObject jactiveUser = JObject.Parse(userJson);
+                            var username = jactiveUser["UserName"].Value<string>();
+                            var roles = jactiveUser["Roles"].Values<string>().ToList();
+                            var emails = jactiveUser["EMails"].Values<string>().ToList();
+                            var avatar = jactiveUser["Avatar"].Value<string>();
+                            var address = jactiveUser["Avatar"].Value<string>();
+                            var me = MainSettings.CurrentUser;
+                            me.Address = address;
+                            me.Avatar = avatar;
+                            me.EMails = emails;
+                            me.UserName = username;
+                            me.Roles = roles;
+                            MainSettings.SaveUser(me);
+                        }
+                    }
+                }
+                IsBusy = false;
+            }
+            
         }
 
         public void OnManageFiles(object sender, EventArgs e)

BookAStar/BookAStar/Pages/UserProfile/UserFiles.xaml.cs

@@ -12,7 +12,7 @@ namespace BookAStar.Pages.UserProfile
         public UserFiles()
         {
             InitializeComponent();
-            var current = DataManager.Current.RemoteFiles.CurrentItem;
+            var current = DataManager.Instance.RemoteFiles.CurrentItem;
             if (current != null)
                 BindingContext = new DirectoryInfoViewModel(current);
             else BindingContext = new DirectoryInfoViewModel
@@ -33,8 +33,8 @@ namespace BookAStar.Pages.UserProfile
             if (model != null)
                 model.RefreshCommand = new Command(() =>
             {
-                DataManager.Current.RemoteFiles.Execute(null);
+                DataManager.Instance.RemoteFiles.Execute(null);
-                var item = DataManager.Current.RemoteFiles.CurrentItem;
+                var item = DataManager.Instance.RemoteFiles.CurrentItem;
                 if (item != null)
                     model.InnerModel = item;
            //     this.dirlist.EndRefresh();

BookAStar/BookAStar/Pages/UserProfile/UserProfilePage.xaml

@@ -43,7 +43,7 @@
 
         <StackLayout VisualElement.IsVisible="{Binding IsAPerformer}">
           <StackLayout Orientation="Horizontal" VerticalOptions="Start"
-                       VisualElement.IsVisible="{Binding UserIsPro}" >
+                       VisualElement.IsVisible="{Binding IsAPerformer}" >
             <Label Text="Ne recevoir de demande de devis que de la part de professionnels uniquement" />
             <Switch HorizontalOptions="End" IsToggled="{Binding AllowProBookingOnly, Mode=TwoWay}"/>
           </StackLayout>

BookAStar/BookAStar/Pages/UserProfile/UserProfilePage.xaml.cs

@@ -1,5 +1,7 @@
 
 using BookAStar.ViewModels.UserProfile;
+using Plugin.Media;
+using Plugin.Media.Abstractions;
 using System;
 
 using Xamarin.Forms;
@@ -13,10 +15,35 @@ namespace BookAStar.Pages.UserProfile
             InitializeComponent();
             AvatarButton.Clicked += AvatarButton_Clicked;
         }
-
+        public UserProfilePage(UserProfileViewModel model)
-        private void AvatarButton_Clicked (object sender, EventArgs e)
         {
-            throw new NotImplementedException();
+            InitializeComponent();
+            AvatarButton.Clicked += AvatarButton_Clicked;
+            BindingContext = model;
+        }
+        private async void AvatarButton_Clicked (object sender, EventArgs e)
+        {
+            if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
+            {
+                await DisplayAlert("No Camera", ":( No camera avaialble.", "OK");
+                return;
+            }
+
+            var file = await CrossMedia.Current.TakePhotoAsync(new StoreCameraMediaOptions
+            {
+                Directory = "Avatars",
+                Name = "me.jpg"
+            });
+
+            if (file == null)
+                return;
+                  // ImageSource.FromFile(file.Path);
+            /* ImageSource.FromStream(() =>
+            {
+                var stream = file.GetStream();
+                file.Dispose();
+                return stream;
+            }); */
         }
 
         public void OnManageFiles(object sender, EventArgs e)

BookAStar/BookAStar/Settings/MainSettings.cs

@@ -1,6 +1,4 @@
 // Helpers/Settings.cs
-using BookAStar.Model;
-using BookAStar.Model.Auth.Account;
 using Newtonsoft.Json;
 using Plugin.Settings;
 using Plugin.Settings.Abstractions;
@@ -8,11 +6,12 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
-using System.Threading.Tasks;
-using Xamarin.Forms;
 
 namespace BookAStar
 {
+    using Model.Social;
+    using Model.Auth.Account;
+    using Data;
 
     /// <summary>
     /// This is the Settings static class that can be used in your Core solution or in any
@@ -32,7 +31,7 @@ namespace BookAStar
 
         #region Setting Constants
         public static readonly string SettingsDefault = string.Empty;
-        public static readonly string EntityDataSettingsPrefix = "Ed";
+        public static readonly string EntityDataSettingsPrefix = Constants.YavscApiUrl;
         private const string userNameKey = "user_id";
         private const string PushNotificationsKey = "pushNotifs";
         private const string AllowGPSUsageKey = "allowGPSUsage";
@@ -75,23 +74,13 @@ namespace BookAStar
             }
         }
         public const string bookQueryNotificationsKey = "BookQueryNotifications";
-        public static BookQueryData[] GetBookQueryNotifications()
+        public static BookQuery[] GetBookQueryNotifications()
         {
             // Do not return any null List
             var json = AppSettings.GetValueOrDefault<string>(bookQueryNotificationsKey);
             if (!string.IsNullOrWhiteSpace(json))
-                return JsonConvert.DeserializeObject<BookQueryData[]>(json);
+                return JsonConvert.DeserializeObject<BookQuery[]>(json);
-            return new BookQueryData[] { };
+            return new BookQuery[] { };
-        }
-
-        public static BookQueryData[] AddBookQueryNotification(BookQueryData query)
-        {
-            var existing = new List<BookQueryData>(GetBookQueryNotifications());
-            existing.Add(query);
-            var result = existing.ToArray();
-            AppSettings.AddOrUpdateValue(bookQueryNotificationsKey,
-                JsonConvert.SerializeObject(result));
-            return result;
         }
 
         public static string GoogleRegId
@@ -104,7 +93,7 @@ namespace BookAStar
                 // Inform the server of it.
                 if (oldregid != value)
                 {
-                    App.CurrentApp.PostDeviceInfo();
+                    App.PostDeviceInfo();
                 }
             }
             get { return AppSettings.GetValueOrDefault<string>(GoogleRegIdKey); }
@@ -155,15 +144,15 @@ namespace BookAStar
                 {
                     if (olduserid != value.Id)
                     {
-                        App.CurrentApp.PostDeviceInfo();
+                        App.PostDeviceInfo();
                         if (UserChanged!=null)
-                            UserChanged.Invoke(App.CurrentApp, new EventArgs());
+                            UserChanged.Invoke(App.Current, new EventArgs());
                     }
                 }
                 else if (olduserid != null)
                 {
                     if (UserChanged != null)
-                        UserChanged.Invoke(App.CurrentApp, new EventArgs());
+                        UserChanged.Invoke(App.Current, new EventArgs());
                     // TODO else Unregister this device
                 }
             }
@@ -171,21 +160,34 @@ namespace BookAStar
 
         public static event EventHandler<EventArgs> UserChanged;
 
+        /// <summary>
+        /// Saves the given user account in the account list.
+        /// An existent presenting the same Id will be dropped.
+        /// </summary>
+        /// <param name="user"></param>
         public static void SaveUser(User user)
         {
-            var existent = AccountList.FirstOrDefault(u => u.UserName == user.UserName);
+            var existent = AccountList.FirstOrDefault(u => u.Id == user.Id);
             if (existent != null)
                 AccountList.Remove(existent);
             AccountList.Add(user);
             var json = JsonConvert.SerializeObject(AccountList.ToArray());
             AppSettings.AddOrUpdateValue(UserListsKey, json);
         }
-
+        /// <summary>
+        /// Gets an account connection info, given its name
+        /// </summary>
+        /// <param name="username"></param>
+        /// <returns></returns>
         public static User GetUser(string username)
         {
             return AccountList.FirstOrDefault(a => a.UserName == username);
         }
 
+        // FIXME real time usage
+        /// <summary>
+        /// Enables/disables push notifications
+        /// </summary>
         public static bool PushNotifications
         {
             get
@@ -203,6 +205,10 @@ namespace BookAStar
             }
         }
 
+        // FIXME real time usage
+        /// <summary>
+        /// Enables/disables GPS usage
+        /// </summary>
         public static bool AllowGPSUsage
         {
             get
@@ -218,7 +224,11 @@ namespace BookAStar
                     value);
             }
         }
+
         // TODO make it a server side user's parameter
+        /// <summary>
+        /// Only allow professionals to ask for user's services
+        /// </summary>
         public static bool AllowProBookingOnly
         {
             get

BookAStar/BookAStar/Strings.Designer.cs

@@ -61,6 +61,60 @@ namespace BookAStar {
             }
         }
         
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Une execution est déjà en cours.
+        /// </summary>
+        public static string AlreadyExecuting {
+            get {
+                return ResourceManager.GetString("AlreadyExecuting", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Bloquer cet utilisateur.
+        /// </summary>
+        public static string BlockThisUser {
+            get {
+                return ResourceManager.GetString("BlockThisUser", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Annuler la validation.
+        /// </summary>
+        public static string CancelValidation {
+            get {
+                return ResourceManager.GetString("CancelValidation", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Restreindre la demande aux clients professionnels.
+        /// </summary>
+        public static string ClientProRequest {
+            get {
+                return ResourceManager.GetString("ClientProRequest", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à La création a échoué, contenu envoyé: {stringContent} @ Uri: {ControllerUri.AbsoluteUri}: Erreur : {errcontent}.
+        /// </summary>
+        public static string CreationFailed {
+            get {
+                return ResourceManager.GetString("CreationFailed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Décliner cette proposition (envoyer un refus, et archiver la demande).
+        /// </summary>
+        public static string DeclineQuery {
+            get {
+                return ResourceManager.GetString("DeclineQuery", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Recherche une chaîne localisée semblable à Faire un devis.
         /// </summary>
@@ -70,6 +124,15 @@ namespace BookAStar {
             }
         }
         
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Valider le devis sans signer.
+        /// </summary>
+        public static string DonotsignEstimate {
+            get {
+                return ResourceManager.GetString("DonotsignEstimate", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Recherche une chaîne localisée semblable à Editer le devis.
         /// </summary>
@@ -79,6 +142,15 @@ namespace BookAStar {
             }
         }
         
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Erreur d&apos;accès aux données distantes.
+        /// </summary>
+        public static string ENoRemoteEntity {
+            get {
+                return ResourceManager.GetString("ENoRemoteEntity", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Recherche une chaîne localisée semblable à Star.
         /// </summary>
@@ -97,6 +169,51 @@ namespace BookAStar {
             }
         }
         
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Géographiquement proche.
+        /// </summary>
+        public static string GeographicalyNear {
+            get {
+                return ResourceManager.GetString("GeographicalyNear", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Valeur invalide.
+        /// </summary>
+        public static string InvalidValue {
+            get {
+                return ResourceManager.GetString("InvalidValue", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Veuillez saisir une valeur entre {0} et {1}..
+        /// </summary>
+        public static string MinMaxIntError {
+            get {
+                return ResourceManager.GetString("MinMaxIntError", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Veuillez saisir une description (entre {0} et {1} caractères)..
+        /// </summary>
+        public static string MinMaxStringValidationError {
+            get {
+                return ResourceManager.GetString("MinMaxStringValidationError", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Pas de description.
+        /// </summary>
+        public static string NoDescription {
+            get {
+                return ResourceManager.GetString("NoDescription", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Recherche une chaîne localisée semblable à Un artiste.
         /// </summary>
@@ -115,6 +232,60 @@ namespace BookAStar {
             }
         }
         
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Opération en cours.
+        /// </summary>
+        public static string OperationPending {
+            get {
+                return ResourceManager.GetString("OperationPending", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à oups..
+        /// </summary>
+        public static string oups {
+            get {
+                return ResourceManager.GetString("oups", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Profile professionnel.
+        /// </summary>
+        public static string Profprof {
+            get {
+                return ResourceManager.GetString("Profprof", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Rechercher un artiste.
+        /// </summary>
+        public static string SearchForAPro {
+            get {
+                return ResourceManager.GetString("SearchForAPro", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Signer.
+        /// </summary>
+        public static string Sign {
+            get {
+                return ResourceManager.GetString("Sign", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Signer le devis?.
+        /// </summary>
+        public static string SignOrNot {
+            get {
+                return ResourceManager.GetString("SignOrNot", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Recherche une chaîne localisée semblable à Incontournable.
         /// </summary>
@@ -134,12 +305,48 @@ namespace BookAStar {
         }
         
         /// <summary>
-        ///   Recherche une chaîne localisée semblable à Voir le devis.
+        ///   Recherche une chaîne localisée semblable à La mise à jour a échoué..
+        /// </summary>
+        public static string UpdateFailed {
+            get {
+                return ResourceManager.GetString("UpdateFailed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Comptes utilisateur.
+        /// </summary>
+        public static string UserAccounts {
+            get {
+                return ResourceManager.GetString("UserAccounts", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Voir les devis validés.
         /// </summary>
         public static string ViewEstimate {
             get {
                 return ResourceManager.GetString("ViewEstimate", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Vos fichiers .
+        /// </summary>
+        public static string YourFiles {
+            get {
+                return ResourceManager.GetString("YourFiles", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Recherche une chaîne localisée semblable à Votre texte a été taillé car il était trop long..
+        /// </summary>
+        public static string YourTextWasTooLong {
+            get {
+                return ResourceManager.GetString("YourTextWasTooLong", resourceCulture);
+            }
+        }
     }
 }

BookAStar/BookAStar/Strings.resx

@@ -117,12 +117,27 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <data name="AlreadyExecuting" xml:space="preserve">
+    <value>Une execution est déjà en cours</value>
+  </data>
+  <data name="CancelValidation" xml:space="preserve">
+    <value>Annuler la validation</value>
+  </data>
+  <data name="CreationFailed" xml:space="preserve">
+    <value>La création a échoué, contenu envoyé: {stringContent} @ Uri: {ControllerUri.AbsoluteUri}: Erreur : {errcontent}</value>
+  </data>
   <data name="DoEstimate" xml:space="preserve">
     <value>Faire un devis</value>
   </data>
+  <data name="DonotsignEstimate" xml:space="preserve">
+    <value>Valider le devis sans signer</value>
+  </data>
   <data name="EditEstimate" xml:space="preserve">
     <value>Editer le devis</value>
   </data>
+  <data name="ENoRemoteEntity" xml:space="preserve">
+    <value>Erreur d'accès aux données distantes</value>
+  </data>
   <data name="FiveStars" xml:space="preserve">
     <value>Star</value>
     <comment>Da star, da one</comment>
@@ -137,6 +152,18 @@
   <data name="OneStar" xml:space="preserve">
     <value>Étoile montante</value>
   </data>
+  <data name="OperationPending" xml:space="preserve">
+    <value>Opération en cours</value>
+  </data>
+  <data name="oups" xml:space="preserve">
+    <value>oups.</value>
+  </data>
+  <data name="Sign" xml:space="preserve">
+    <value>Signer</value>
+  </data>
+  <data name="SignOrNot" xml:space="preserve">
+    <value>Signer le devis?</value>
+  </data>
   <data name="ThreeStars" xml:space="preserve">
     <value>Incontournable</value>
   </data>
@@ -144,6 +171,48 @@
     <value>À ne manquer sous aucun prétexte</value>
   </data>
   <data name="ViewEstimate" xml:space="preserve">
-    <value>Voir le devis</value>
+    <value>Voir les devis validés</value>
+  </data>
+  <data name="UpdateFailed" xml:space="preserve">
+    <value>La mise à jour a échoué.</value>
+  </data>
+  <data name="MinMaxStringValidationError" xml:space="preserve">
+    <value>Veuillez saisir une description (entre {0} et {1} caractères).</value>
+  </data>
+  <data name="YourTextWasTooLong" xml:space="preserve">
+    <value>Votre texte a été taillé car il était trop long.</value>
+  </data>
+  <data name="NoDescription" xml:space="preserve">
+    <value>Pas de description</value>
+  </data>
+  <data name="InvalidValue" xml:space="preserve">
+    <value>Valeur invalide</value>
+  </data>
+  <data name="MinMaxIntError" xml:space="preserve">
+    <value>Veuillez saisir une valeur entre {0} et {1}.</value>
+  </data>
+  <data name="YourFiles" xml:space="preserve">
+    <value>Vos fichiers </value>
+  </data>
+  <data name="Profprof" xml:space="preserve">
+    <value>Profile professionnel</value>
+  </data>
+  <data name="ClientProRequest" xml:space="preserve">
+    <value>Restreindre la demande aux clients professionnels</value>
+  </data>
+  <data name="UserAccounts" xml:space="preserve">
+    <value>Comptes utilisateur</value>
+  </data>
+  <data name="BlockThisUser" xml:space="preserve">
+    <value>Bloquer cet utilisateur</value>
+  </data>
+  <data name="DeclineQuery" xml:space="preserve">
+    <value>Décliner cette proposition (envoyer un refus, et archiver la demande)</value>
+  </data>
+  <data name="GeographicalyNear" xml:space="preserve">
+    <value>Géographiquement proche</value>
+  </data>
+  <data name="SearchForAPro" xml:space="preserve">
+    <value>Rechercher un artiste</value>
   </data>
 </root>

BookAStar/BookAStar/ViewModels/EditingViewModel.cs

@@ -1,29 +0,0 @@
-using BookAStar.Data;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using XLabs.Forms.Mvvm;
-
-namespace BookAStar.ViewModels
-{
-    /// <summary>
-    /// Used to make the DataManager know how
-    /// to sync local and remote data
-    /// </summary>
-    public class EditingViewModel: ViewModel
-    {
-        private LocalState state;
-        public LocalState State {
-            get
-            {
-                return state;
-            }
-            set
-            {
-                base.SetProperty<LocalState>(ref state, value);
-            }
-        } 
-    }
-}

BookAStar/BookAStar/ViewModels/EstimateAndBilling/BillingLineViewModel.cs

@@ -1,25 +1,54 @@
 using BookAStar.Attributes;
 using BookAStar.Interfaces;
 using BookAStar.Model.Workflow;
+using BookAStar.ViewModels.Validation;
 using System;
 using System.Globalization;
 using System.Windows.Input;
+using System.ComponentModel;
 
 namespace BookAStar.ViewModels.EstimateAndBilling
 {
-    public class BillingLineViewModel : EditingViewModel, IBillingLine
+    public class BillingLineViewModel : EditingViewModel<BillingLine>, IBillingLine
     {
-        BillingLine data;
+        public ICommand RemoveCommand { get; set; }
+        public ICommand ValidateCommand { set; get; }
+
+        public BillingLineViewModel(BillingLine data): base(data)
+        {
+            CheckCommand = new Action<BillingLine, ModelState>(
+                (l,s) => {
+                    if (string.IsNullOrWhiteSpace(l.Description))
+                    {
+                        s.AddError("Description",Strings.NoDescription);
+                    }
+                    if (l.UnitaryCost < 0) { s.AddError("UnitaryCost", Strings.InvalidValue); }
+                    if (l.Count < 0) { s.AddError("Count", Strings.InvalidValue); }
+                });
+            SyncData();
+        }
 
-        public BillingLineViewModel(BillingLine data)
+        private void SyncData()
         {
-            this.data = data ?? new BillingLine();
+            if (Data != null)
-            // sets durationValue & durationUnit
+            {
-            count = data.Count;
+                // set durationValue, durationUnit
-            description = data.Description;
+                Duration = Data.Duration;
+                // other redondant representation
+                count = Data.Count;
+                description = Data.Description;
+                unitaryCostText = Data.UnitaryCost.ToString("G", CultureInfo.InvariantCulture);
+            }
+            CheckCommand(Data, ViewModelState);
+        }
 
-            Duration = data.Duration;
+        protected override void OnPropertyChanged(PropertyChangedEventArgs e)
-            unitaryCostText = data.UnitaryCost.ToString("G", CultureInfo.InvariantCulture);
+        {
+            base.OnPropertyChanged(e);
+            if (e.PropertyName=="Data")
+            {
+                SyncData();
+            }
         }
 
         private int count;
@@ -33,7 +62,7 @@ namespace BookAStar.ViewModels.EstimateAndBilling
             set
             {
                 SetProperty<int>(ref count, value);
-                data.Count = count;
+                Data.Count = count;
             }
         }
         private string description;
@@ -47,9 +76,10 @@ namespace BookAStar.ViewModels.EstimateAndBilling
             set
             {
                 SetProperty<string>(ref description, value);
-                data.Description = description;
+                Data.Description = description;
             }
         }
+
         decimal unitaryCost;
         public decimal UnitaryCost
         {
@@ -61,7 +91,7 @@ namespace BookAStar.ViewModels.EstimateAndBilling
             set
             {
                 SetProperty<decimal>(ref unitaryCost, value);
-                data.UnitaryCost = unitaryCost;
+                Data.UnitaryCost = unitaryCost;
             }
         }
 
@@ -76,7 +106,7 @@ namespace BookAStar.ViewModels.EstimateAndBilling
             set
             {
                 SetProperty<int>(ref durationValue, value, "DurationValue");
-                data.Duration = this.Duration;
+                Data.Duration = this.Duration;
             }
         }
 
@@ -99,7 +129,7 @@ pour décrire la quantité de travail associée à ce type de service")]
             set
             {
                 SetProperty<DurationUnits>(ref durationUnit, value, "DurationUnit");
-                data.Duration = this.Duration;
+                Data.Duration = this.Duration;
             }
         }
         
@@ -125,7 +155,6 @@ pour décrire la quantité de travail associée à ce type de service")]
             }
         }
 
-        public ICommand ValidateCommand { set; get; }
 
         public TimeSpan Duration
         {

BookAStar/BookAStar/ViewModels/EstimateAndBilling/BookQueriesViewModel.cs

@@ -5,18 +5,24 @@ namespace BookAStar.ViewModels.EstimateAndBilling
 {
     using Data;
     using Model;
+    using System.Linq;
+
     public class BookQueriesViewModel : XLabs.Forms.Mvvm.ViewModel
     {
         public BookQueriesViewModel()
         {
-
+            queries = new ObservableCollection<BookQueryViewModel>
+                (DataManager.Instance.BookQueries.Select(
+                    q =>
+                    new BookQueryViewModel(q)));
         }
+        private ObservableCollection<BookQueryViewModel> queries;
 
-        public ObservableCollection<BookQueryData> Queries
+        public ObservableCollection<BookQueryViewModel> Queries
         {
             get
             {
-                return DataManager.Current.BookQueries;
+                return queries;
             }
         }
 

BookAStar/BookAStar/ViewModels/EstimateAndBilling/BookQueryViewModel.cs

@@ -6,20 +6,22 @@ using XLabs.Forms.Mvvm;
 namespace BookAStar.ViewModels.EstimateAndBilling
 {
     using Data;
+    using Helpers;
     using Interfaces;
     using Model;
     using Model.Social;
     using Model.Workflow;
     using System.Collections.ObjectModel;
     using System.Linq;
+    using Xamarin.Forms;
 
-    class BookQueryViewModel : ViewModel, IBookQueryData
+    public class BookQueryViewModel : ViewModel, IBookQueryData
     {
         public BookQueryViewModel()
         {
             
         }
-        public BookQueryViewModel(BookQueryData data)
+        public BookQueryViewModel(BookQuery data)
         {
             Debug.Assert(data != null);
             Client=data.Client;
@@ -28,19 +30,33 @@ namespace BookAStar.ViewModels.EstimateAndBilling
             Previsionnal = data.Previsionnal;
             Id = data.Id;
             estimates = new ObservableCollection<Estimate>(
-                    DataManager.Current.Estimates.Where(
+                    DataManager.Instance.Estimates.Where(
                     e => e.Query.Id == Id
                     ));
             this.data = data;
         }
-        private BookQueryData data;
+        private BookQuery data;
-        public BookQueryData Data {
+        public BookQuery Data {
             get
             {
                 return data;
             }
         }
         public ClientProviderInfo Client { get; set; }
+        public ImageSource Avatar
+        {
+            get
+            {
+                return UserHelpers.Avatar(Client.Avatar);
+            }
+        }
+        public ImageSource SmallAvatar
+        {
+            get
+            {
+                return UserHelpers.SmallAvatar(Client.Avatar, Client.UserName);
+            }
+        }
         public Location Location { get; set; }
         public long Id { get; set; }
         public DateTime EventDate { get; set; }
@@ -49,7 +65,7 @@ namespace BookAStar.ViewModels.EstimateAndBilling
         {
             get
             {
-                return DataManager.Current.EstimationCache.LocalGet(this.Id);
+                return DataManager.Instance.EstimationCache.LocalGet(this.Id);
             }
         }
         private ObservableCollection<Estimate> estimates;

BookAStar/BookAStar/ViewModels/EstimateAndBilling/EditEstimateViewModel.cs

@@ -1,55 +1,78 @@
 using System.Collections.Generic;
-using BookAStar.Model.Workflow;
 using System.Collections.ObjectModel;
-using BookAStar.Model;
 using Xamarin.Forms;
-using BookAStar.Data;
 using Newtonsoft.Json;
+using System.Linq;
+using System.ComponentModel;
 
 namespace BookAStar.ViewModels.EstimateAndBilling
 {
-    public class EditEstimateViewModel : EditingViewModel
+    using Model;
+    using Model.Workflow;
+    using Model.Social;
+    using Validation;
+    public class EditEstimateViewModel : EditingViewModel<Estimate>
     {
-        /// <summary>
-        /// For deserialization
-        /// </summary>
-        public EditEstimateViewModel()
-        {
 
-        }
         /// <summary>
         /// Builds a new view model on estimate,
         /// sets <c>Data</c> with given value parameter
         /// </summary>
         /// <param name="data"></param>
         /// <param name="localState"></param>
-        public EditEstimateViewModel(Estimate data)
+        public EditEstimateViewModel(Estimate data) : base(data)
+        {
+            SyncData();
+        }
+        public override void OnViewAppearing()
+        {
+            base.OnViewAppearing();
+            SyncData();
+        }
+        /// <summary>
+        /// Called to synchronyze this view on target model,
+        /// at accepting a new representation for this model
+        /// </summary>
+        private void SyncData()
         {
-            Data = data;
+            if (Data.AttachedFiles == null) Data.AttachedFiles = new List<string>();
+            if (Data.AttachedGraphics == null) Data.AttachedGraphics = new List<string>();
+            if (Data.Bill == null) Data.Bill = new List<BillingLine>();
+            AttachedFiles = new ObservableCollection<string>(Data.AttachedFiles);
+            AttachedGraphicList = new ObservableCollection<string>(Data.AttachedGraphics);
+            Bill = new ObservableCollection<BillingLineViewModel>(Data.Bill.Select(
+                l => new BillingLineViewModel(l)
+                ));
+            Bill.CollectionChanged += Bill_CollectionChanged;
+            Title = Data.Title;
+            Description = Data.Description;
+            NotifyPropertyChanged("FormattedTotal");
+            NotifyPropertyChanged("Query");
+            NotifyPropertyChanged("CLient");
+            NotifyPropertyChanged("ModelState");
+            
         }
 
+        protected override void OnPropertyChanged(PropertyChangedEventArgs e)
+        {
+            base.OnPropertyChanged(e);
+            if (e.PropertyName.StartsWith("Data"))
+            {
+                SyncData();
+            }
+        }
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void Bill_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
         {
-            Data.Bill = new List<BillingLine>( Bill );
+            Data.Bill = Bill.Select(l => l.Data).ToList();
             NotifyPropertyChanged("FormattedTotal");
             NotifyPropertyChanged("Bill");
+            NotifyPropertyChanged("ViewModelState");
         }
-        private Estimate data;
-        public Estimate Data { get { return data; } set {
-                SetProperty<Estimate>(ref data, value);
-                if (data.AttachedFiles == null) data.AttachedFiles = new List<string>();
-                if (data.AttachedGraphics == null) data.AttachedGraphics = new List<string>();
-                if (data.Bill == null) data.Bill = new List<BillingLine>();
-                AttachedFiles = new ObservableCollection<string>(data.AttachedFiles);
-                AttachedGraphicList = new ObservableCollection<string>(data.AttachedGraphics);
-                Bill = new ObservableCollection<BillingLine>(data.Bill);
-                Bill.CollectionChanged += Bill_CollectionChanged;
-                Title = Data.Title;
-                Description = Data.Description;
-                NotifyPropertyChanged("FormattedTotal");
-                NotifyPropertyChanged("Query");
-                NotifyPropertyChanged("CLient");
-            } }
 
         [JsonIgnore]
         public ObservableCollection<string> AttachedFiles
@@ -64,7 +87,7 @@ namespace BookAStar.ViewModels.EstimateAndBilling
         }
 
         [JsonIgnore]
-        public ObservableCollection<BillingLine> Bill
+        public ObservableCollection<BillingLineViewModel> Bill
         {
             get; protected set;
         }
@@ -107,25 +130,27 @@ namespace BookAStar.ViewModels.EstimateAndBilling
         public ClientProviderInfo Client {  get { return Data.Client; } }
 
         [JsonIgnore]
-        public BookQueryData Query { get { return Data.Query; } }
+        public BookQuery Query { get { return Data.Query; } }
 
         [JsonIgnore]
         public FormattedString FormattedTotal
         {
             get
             {
-                OnPlatform<Font> lfs = (OnPlatform<Font>)App.Current.Resources["LargeFontSize"];
+                /* 
-                OnPlatform<Color> etc = (OnPlatform<Color>)App.Current.Resources["EmphasisTextColor"];
+                OnPlatform<Font> lfs = (OnPlatform<Font>)App.Current.Resources["MediumFontSize"];
+                */
+                OnPlatform<double> mfs = (OnPlatform < double > ) App.Current.Resources["MediumFontSize"];
+                Color  etc = (Color) App.Current.Resources["EmphasisTextColor"];
 
                 return new FormattedString
                 {
-
                     Spans = {
                         new Span { Text = "Total TTC: " },
                         new Span { Text = Data.Total.ToString(),
-                            ForegroundColor = etc.Android  ,
+                            ForegroundColor = etc,
-                            FontSize = (double) lfs.Android.FontSize },
+                            FontSize = mfs },
-                        new Span { Text = "€", FontSize = (double) lfs.Android.FontSize }
+                        new Span { Text = "€", FontSize = mfs }
                     }
                 };
             }

BookAStar/BookAStar/ViewModels/HomeViewModel.cs

@@ -0,0 +1,14 @@
+using XLabs.Forms.Mvvm;
+
+namespace BookAStar.ViewModels
+{
+    using EstimateAndBilling;
+    using UserProfile;
+
+    public class HomeViewModel : ViewModel
+    {
+        public BookQueriesViewModel BookQueries { get; set;  }
+        public UserProfileViewModel UserProfile { get; set; }
+        
+    }
+}

BookAStar/BookAStar/ViewModels/Messaging/ChatUserCollection.cs

@@ -0,0 +1,46 @@
+using BookAStar.Data;
+using BookAStar.Model.Social.Chat;
+using BookAStar.Model.Social.Messaging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Xamarin.Forms;
+
+namespace BookAStar.ViewModels.Messaging
+{
+    public class ChatUserCollection : RemoteEntityRO<ChatUserInfo, string>
+    {
+        public ChatUserCollection() : base ("chat/users", u=>u.UserId)
+        {
+
+        }
+        public void OnPrivateMessage(ChatMessage msg)
+        {
+            var sender = this.FirstOrDefault(user => user.UserName == msg.SenderId);
+            if (sender != null)
+            {
+                sender.PrivateMessages.Add(msg);
+            } else
+            {
+                // TODO alert? or else get chat user info
+                // or else just display this message ...
+            }
+        }
+        public override void Merge(ChatUserInfo item)
+        {
+            var key = GetKey(item);
+            var existent = this.FirstOrDefault(u => u.UserId == key);
+            if (existent != null) {
+                existent.UserName = item.UserName;
+                existent.Roles = item.Roles;
+                existent.Avatar = item.Avatar;
+                existent.Connections = item.Connections;
+            }
+            else Add(item);
+        }
+
+    }
+}

BookAStar/BookAStar/ViewModels/Messaging/ChatUserInfo.cs

@@ -0,0 +1,196 @@
+
+using BookAStar.Helpers;
+using System.Collections.ObjectModel;
+using System.Linq;
+using Xamarin.Forms;
+using XLabs.Forms.Mvvm;
+using YavscLib;
+using System;
+using Newtonsoft.Json;
+using BookAStar.Model.Social.Messaging;
+
+namespace BookAStar.Model.Social.Chat
+{
+    public class ChatUserInfo : ViewModel, IChatUserInfo
+    {
+        public ChatUserInfo()
+        {
+            PrivateMessages.CollectionChanged += PrivateMessages_CollectionChanged;
+        }
+
+        private void PrivateMessages_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            NotifyPropertyChanged("Unread");
+        }
+
+        public string avatar;
+        public string Avatar
+        {
+            get
+            {
+                return avatar;
+            }
+            set
+            {
+                var newSource = UserHelpers.Avatar(value);
+                SetProperty<string>(ref avatar, value);
+                SetProperty<ImageSource>(ref avatarSource, newSource, "AvatarSource");
+            }
+        }
+
+        ImageSource avatarSource;
+        [JsonIgnore]
+        public ImageSource AvatarSource
+        {
+            get
+            {
+                return avatarSource;
+            }
+        }
+
+        public Connection [] Connections
+        {
+            get
+            {
+                return ObservableConnections?.ToArray();
+            }
+            set
+            {
+                ObservableConnections = new ObservableCollection<Connection>(value);
+            }
+        }
+
+        ObservableCollection<Connection> connections;
+        [JsonIgnore]
+        public ObservableCollection<Connection> ObservableConnections
+        {
+            get
+            {
+                return connections;
+            }
+            set
+            {
+                SetProperty<ObservableCollection<Connection>>(ref connections, value);
+            }
+        }
+
+        string[] roles;
+        public string[] Roles
+        {
+            get
+            {
+                return roles;
+            }
+            set
+            {
+                SetProperty<string[]>(ref roles, value);
+                NotifyPropertyChanged("RolesAsAString");
+            }
+        }
+
+        [JsonIgnore]
+        public string RolesAsAString
+        {
+            get
+            {
+                return Roles == null? "": string.Join(", ", Roles);
+            }
+        }
+
+        string userId;
+        public string UserId
+        {
+            get
+            {
+                return userId;
+            }
+            set
+            {
+                SetProperty<string>(ref userId, value);
+            }
+        }
+
+        string userName;
+        public string UserName
+        {
+            get
+            {
+                return userName;
+            }
+            set
+            {
+                SetProperty<string>(ref userName, value);
+            }
+        }
+
+        public bool IsConnected { get
+            {
+                return Connections.Length > 0;
+            } }
+
+        [JsonIgnore]
+        IConnection[] IChatUserInfo.Connections
+        {
+            get
+            {
+                return Connections;
+            }
+
+            set
+            {
+                throw new NotImplementedException();
+            }
+        }
+        ObservableCollection<ChatMessage> privateMessages = new ObservableCollection<ChatMessage>();
+        [JsonIgnore]
+        public ObservableCollection<ChatMessage> PrivateMessages
+        {
+            get
+            {
+                return privateMessages;
+            }
+        }
+
+        [JsonIgnore]
+        public bool Unread
+        {
+            get
+            {
+                return PrivateMessages==null?false: PrivateMessages.Any(
+                    m => !m.Read);
+            }
+        }
+
+        [JsonIgnore]
+        public ImageSource MessagesBadge
+        {
+            get
+            {
+                return Unread ? ImageSource.FromResource("BookAStar.Images.Chat.talk.png") :null;
+            }
+        }
+
+        public void OnConnected(string cxId)
+        {
+            // We do assume this cxId dosn't already exist in this list.
+            var cx = new Connection { ConnectionId = cxId, Connected = true };
+            if (ObservableConnections == null)
+                ObservableConnections = new ObservableCollection<Connection>();
+            ObservableConnections.Add(cx);
+            if (this.ObservableConnections.Count == 1)
+                NotifyPropertyChanged("IsConnected");
+        }
+
+        public void OnDisconnected(string cxId)
+        {
+            var existentcx = Connections.FirstOrDefault(cx => cx.ConnectionId == cxId);
+            if (existentcx != null)
+            {
+                this.ObservableConnections.Remove(existentcx);
+                
+                if (this.ObservableConnections.Count == 0)
+                    NotifyPropertyChanged("IsConnected");
+            }
+        }
+    }
+}

BookAStar/BookAStar/ViewModels/Messaging/ChatViewModel.cs

@@ -7,27 +7,15 @@ using XLabs.Forms.Mvvm;
 namespace BookAStar.ViewModels.Messaging
 {
     using Data;
-    using Model;
+    using Model.Social.Chat;
     using Model.Social.Messaging;
 
-    class ChatViewModel: ViewModel
+    public class ChatViewModel: ViewModel
     {
         public ObservableCollection<ChatMessage> Messages { get; set; }
         public ObservableCollection<ChatMessage> Notifs { get; set; }
-        public ObservableCollection<ChatMessage> PVs { get; set; }
+        public ChatUserCollection ChatUsers { get; set; }
-        public ObservableCollection<ClientProviderInfo> Contacts { get; set; }
+
-        private string chatUser;
-        public string ChatUser
-        {
-            get
-            {
-                return chatUser;
-            }
-            set
-            {
-                SetProperty<string>(ref chatUser, value);
-            }
-        }
         private ConnectionState state;
         public ConnectionState State
         {
@@ -40,8 +28,7 @@ namespace BookAStar.ViewModels.Messaging
             MainSettings.UserChanged += MainSettings_UserChanged;
             Messages = new ObservableCollection<ChatMessage>();
             Notifs = new ObservableCollection<ChatMessage>();
-            PVs = DataManager.Current.PrivateMessages;
+            ChatUsers = DataManager.Instance.ChatUsers;
-            Contacts = DataManager.Current.Contacts;
             App.ChatHubProxy.On<string, string>("addMessage", (n, m) =>
             {
                 Messages.Add(new ChatMessage
@@ -54,45 +41,53 @@ namespace BookAStar.ViewModels.Messaging
 
             App.ChatHubProxy.On<string, string, string>("notify", (eventId, cxId, userName) =>
             {
+                var msg = new ChatMessage
+                {
+                    Message = eventId,
+                    SenderId = userName,
+                    Date = DateTime.Now
+                };
                 // TODO make admin possible 
                 // by assigning a server side username to anonymous.
-                // From now, don't log anonymous
+                if (string.IsNullOrEmpty(userName))
-                if (!string.IsNullOrEmpty(userName))
                 {
-                    Notifs.Add(new ChatMessage
+                    msg.SenderId = $"({cxId})";
-                    {
-                        Message = eventId,
-                        SenderId = userName,
-                        Date = DateTime.Now
-                    });
-                    if (eventId == "connected")
-                        OnUserConnected(cxId, userName);
-                    else if (eventId == "disconnected")
-                        OnUserDisconnected(userName);
                 }
+                Notifs.Add(msg);
+                if (eventId == "connected")
+                    OnUserConnected(cxId, userName);
+                else if (eventId == "disconnected")
+                    OnUserDisconnected(cxId, userName);
             });
-            ChatUser = MainSettings.UserName;
         }
 
         private void OnUserConnected(string cxId, string userName)
         {
-            var user = Contacts.SingleOrDefault(
+            var user = ChatUsers.SingleOrDefault(
                 c => c.UserName == userName);
-            if (user != null)
+            if (user == null)
-                user.ChatHubConnectionId = cxId;
+            {
+                user = new ChatUserInfo {
+                    UserName = userName
+                };
+                ChatUsers.Add(user);
+            }
+            user.OnConnected(cxId);
         }
 
-        private void OnUserDisconnected (string userName)
+        private void OnUserDisconnected (string cxId, string userName)
         {
-            var user = Contacts.SingleOrDefault(
+            var user = ChatUsers.SingleOrDefault(
                 c => c.UserName == userName);
-            if (user != null)
+            if (user == null)
-                user.ChatHubConnectionId = null;
+            {
+                return;
+            }
+            user.OnDisconnected(cxId);
         }
 
         private void MainSettings_UserChanged(object sender, EventArgs e)
         {
-            ChatUser = MainSettings.UserName;
         }
 
         private void ChatHubConnection_StateChanged(StateChange obj)

BookAStar/BookAStar/ViewModels/PageState.cs

@@ -1,6 +1,6 @@
 using XLabs.Forms.Mvvm;
 
-namespace BookAStar.Model.UI
+namespace BookAStar.ViewModels
 {
     internal class PageState
     {