* YavscModel.csproj:

* NewProjectModel.cs:
* ITContentProvider.csproj: refactoring

* WebApiConfig.cs: Web Api Config

* IModule.cs:
* RssFeeds.cs:
* IRenderer.cs:
* Blog.cs:
* ITagHandler.cs:
* ViewRenderer.cs:
* Comment.cs:
* IViewRenderer.cs:
* People.cs:
* SignIn.cs:
* BlogEntry.cs:
* AuthToken.cs:
* BlogHelper.cs:
* DataAccess.cs:
* Estimate.cs:
* BlogManager.cs:
* Writting.cs:
* AskForADate.cs:
* RestoreQuery.cs:
* Basket.cs:
* BlogProvider.cs:
* CalendarList.cs:
* Commande.cs:
* StatusChange.cs:
* WebFileInfo.cs:
* WorkFlowManager.cs:
* Euro.cs:
* Unit.cs:
* Text.cs:
* Profile.cs:
* Note.cs:
* Link.cs:
* BlogEditEntryModel.cs:
* FindBlogEntryFlags.cs:
* NewProjectModel.cs:
* CalendarListEntry.cs:
* CalendarEntryList.cs:
* IContentProvider.cs:
* CommandStatus.cs:
* Label.cs:
* Price.cs:
* BlogEntryCollection.cs:
* Period.cs:
* Scalar.cs:
* BlogEditCommentModel.cs:
* Option.cs:
* NpgsqlContentProvider.cs:
* Product.cs:
* LoginModel.cs:
* Service.cs:
* Catalog.cs:
* Currency.cs:
* NewEstimateEvenArgs.cs:
* CheckBox.cs:
* SaleForm.cs:
* FileSystemManager.cs:
* FormInput.cs:
* TextInput.cs:
* NewRoleModel.cs:
* FileInfoCollection.cs:
* FilesInput.cs:
* NewAdminModel.cs:
* SelectItem.cs:
* SelectInput.cs:
* RadioButton.cs:
* StockStatus.cs:
* Provider.cs:
* DirNotFoundException.cs:
* FormElement.cs:
* ProductImage.cs:
* WebFileInfoCollection.cs:
* CatalogHelper.cs:
* CatalogManager.cs:
* RegisterViewModel.cs:
* InvalidDirNameException.cs:
* PhysicalProduct.cs:
* CatalogProvider.cs:
* ProductCategory.cs:
* OrderStatusChangedEventArgs.cs:
* ProviderCollection.cs:
* WorkflowConfiguration.cs:
* BlogProviderConfigurationElement.cs:
* BlogProvidersConfigurationSection.cs:
* BlogProvidersConfigurationCollection.cs:
* CatalogProviderConfigurationElement.cs:
* CatalogProvidersConfigurationSection.cs:
* CatalogProvidersConfigurationCollection.cs: 
xml doc

* SalesCatalog.csproj:
* XmlCatalogProvider.cs: Maps the catalog using System.Web

* BasketController.cs:
* FrontOfficeController.cs: a Basket controller

* Global.asax.cs: Session in Web Api

* App.master: WebApi bas url as Javascript var 'apiBaseUrl'

* Index.aspx: !!not sure of this change.

* Web.csproj: compiles now includes WebApiConfig.cs

* style.css: link background color

* FileSystemController.cs: a file system controller

yavscModel/FileSystem/DirNotFoundException.cs

@@ -0,0 +1,46 @@
+//
+//  DirNotFoundException.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.IO;
+using System.Web;
+using System.Text.RegularExpressions;
+using System.Text;
+using System.Web.Security;
+
+namespace Yavsc.Model.FileSystem
+{
+
+	/// <summary>
+	/// Dir not found exception.
+	/// </summary>
+	public class DirNotFoundException : Exception {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.DirNotFoundException"/> class.
+		/// </summary>
+		/// <param name="dir">Dir.</param>
+		public DirNotFoundException(string dir) 
+			: base(string.Format( "Directory not found : {0}", dir))
+		{
+		}
+	}
+	
+}

yavscModel/FileSystem/FileInfoCollection.cs

@@ -4,9 +4,24 @@ using System.Collections.Generic;
 
 namespace Yavsc.Model.FileSystem
 {
+	/// <summary>
+	/// File info collection.
+	/// </summary>
 	public class FileInfoCollection: List<FileInfo>
 	{
-
+		/// <summary>
+		/// Gets or sets the owner.
+		/// </summary>
+		/// <value>The owner.</value>
+		public string Owner { get; set; }
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.FileInfoCollection"/> class.
+		/// </summary>
+		/// <param name="files">Files.</param>
+		public FileInfoCollection (FileInfo [] files)
+		{
+			AddRange (files);
+		}
 	}
 }
 

yavscModel/FileSystem/FileSystemManager.cs

@@ -0,0 +1,157 @@
+//
+//  FileSystemManager.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.IO;
+using System.Web;
+using System.Text.RegularExpressions;
+using System.Text;
+using System.Web.Security;
+using System.Linq;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+
+namespace Yavsc.Model.FileSystem
+{
+
+	/// <summary>
+	/// File system manager.
+	/// It performs the FileSystem controllers logic.
+	/// It will not be a true file system,
+	/// It just provides simple method for a small set of 
+	/// files, in a small tree of sub-folders .
+	/// </summary>
+	public class FileSystemManager
+	{
+		/// <summary>
+		/// Gets or sets the size of the max file.
+		/// </summary>
+		/// <value>The size of the max file.</value>
+		public long MaxFileSize { get; set; }
+
+		/// <summary>
+		/// Gets or sets the max user storage.
+		/// </summary>
+		/// <value>The max user storage.</value>
+		public long MaxUserStorage { get; set; }
+
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.FileSystemManager"/> class.
+		/// </summary>
+		public FileSystemManager (string usersDirectory="~/files", char dirSep = '/')
+		{
+			prefix = usersDirectory;
+			DirectorySeparator = dirSep;
+
+		}
+
+		string regexFileName = "^[A-Za-z0-9#^!+ _~\\-.]+$";
+
+		/// <summary>
+		/// Put the specified files in destDir, as sub dir of the current user's home dir.
+		/// </summary>
+		/// <param name="destDir">Destination dir, use "." to point to the user's home dir.</param>
+		/// <param name="files">Files.</param>
+		public void Put (string destDir, NameObjectCollectionBase files)
+		{
+			// sanity check on file names
+			foreach (object obj in files) {
+				HttpPostedFileBase file = obj as HttpPostedFileBase;
+				if (!Regex.Match (file.FileName, regexFileName).Success) {
+					throw new InvalidOperationException (string.Format (
+						"The file name {0} dosn't match an acceptable file name ({1})",
+						file.FileName, regexFileName));
+				}
+			}
+			// do the job
+
+			checkSubDir (destDir);
+			DirectoryInfo di = new DirectoryInfo (
+				Path.Combine (Prefix, destDir));
+			if (!di.Exists)
+				di.Create ();
+
+			foreach (object obj in files) {
+				HttpPostedFileBase file = obj as HttpPostedFileBase;
+				// TODO Limit with hfc[h].ContentLength
+				string filename = Path.Combine (di.FullName, file.FileName);
+				file.SaveAs (filename);
+			}
+		}
+
+		private string prefix = null;
+
+		/// <summary>
+		/// Gets the users dir.
+		/// </summary>
+		/// <value>The users dir.</value>
+		public string Prefix {
+			get {
+				return prefix;
+			}
+			set {
+				prefix = value;
+				if (value.StartsWith ("~/")) {
+					prefix = HttpContext.Current.Server.MapPath(value);
+				}
+			}
+		}
+
+		/// <summary>
+		/// Gets or sets the directory name separator.
+		/// </summary>
+		/// <value>The separator.</value>
+		public char DirectorySeparator { get; set; }
+
+		/// <summary>
+		/// Checks the sub dir name.
+		/// </summary>
+		/// <param name="subdir">Subdir.</param>
+		private void checkSubDir (string subdir)
+		{
+			foreach (string dirname in subdir.Split(DirectorySeparator))
+				if (!Regex.Match (dirname, regexFileName).Success)
+					throw new InvalidDirNameException (dirname);
+			foreach (char x in Path.GetInvalidPathChars()) 
+				if (subdir.Contains (x)) 
+					throw new InvalidDirNameException (subdir);
+		}
+		/// <summary>
+		/// Gets the files.
+		/// The web user must be authenticated,
+		/// The given username must be registered.
+		/// </summary>
+		/// <returns>The files.</returns>
+		/// <param name="subdir">Subdir.</param>
+		public FileInfoCollection GetFiles (string subdir)
+		{
+			string path = Prefix;
+			if (subdir != null) {
+				checkSubDir (subdir);
+				path = Path.Combine (Prefix, subdir);
+			}
+			DirectoryInfo di = new DirectoryInfo (path);
+			FileInfoCollection res = new FileInfoCollection (di.GetFiles ());
+			return res;
+		}
+	}
+}
+

yavscModel/FileSystem/InvalidDirNameException.cs

@@ -0,0 +1,60 @@
+//
+//  InvalidDirNameException.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.IO;
+using System.Web;
+using System.Text.RegularExpressions;
+using System.Text;
+using System.Web.Security;
+
+namespace Yavsc.Model.FileSystem
+{
+
+	/// <summary>
+	/// Invalid dir name exception.
+	/// </summary>
+	public class InvalidDirNameException : Exception {
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.InvalidDirNameException"/> class.
+		/// </summary>
+		/// <param name="dir">Dir.</param>
+		public InvalidDirNameException(string dir)
+			: base(string.Format( "Invalid directory name : {0}", dir))
+		{
+		}
+	}
+	/// <summary>
+	/// Invalid file name exception.
+	/// </summary>
+	public class InvalidFileNameException : Exception {
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.InvalidDirNameException"/> class.
+		/// </summary>
+		/// <param name="fileName">Dir.</param>
+		public InvalidFileNameException(string fileName)
+			: base(string.Format( "Invalid file name : {0}", fileName))
+		{
+		}
+	}
+}

yavscModel/FileSystem/WebFileInfo.cs

@@ -0,0 +1,105 @@
+//
+//  ShortFileName.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.ComponentModel.DataAnnotations;
+
+using System.Web.Mvc;
+using System.IO;
+using System.Web;
+
+namespace Yavsc.Model.FileSystem
+{
+	/// <summary>
+	/// Files in the name.
+	/// </summary>
+	public class WebFileInfo
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Model.FileSystem.WebFileInfo"/> class.
+		/// </summary>
+		/// <param name="context">Context.</param>
+		/// <param name="id">Identifier.</param>
+		public WebFileInfo(HttpContextBase context, string id) {
+			DirectoryInfo di=new DirectoryInfo(
+				HttpContext.Current.Server.MapPath(id));
+
+			if (!di.Exists)
+				throw new Exception (string.Format(
+					"Inexistent:{0}", id));
+			path = id;
+			permaLink = UrlHelper.GenerateContentUrl(id,context);
+		}
+		private string path = null;
+		string permaLink = null;
+		/// <summary>
+		/// Gets the perma link.
+		/// </summary>
+		/// <value>The perma link.</value>
+		public string PermaLink {
+			get {
+				return permaLink;
+			}
+		}
+
+		/// <summary>
+		/// Gets the Path.
+		/// </summary>
+		/// <value>The web dir.</value>
+		public string Path {
+			get {
+				return path;
+			}
+		}
+
+		/*
+		/// <summary>
+		/// Creates the name of the file.
+		/// </summary>
+		/// <returns>The file name.</returns>
+		/// <param name="intentValue">Intent value.</param>
+		/// <param name="destdir">Destdir.</param>
+		public static FileInfo BuildUniqueFileName(string intentValue, string destdir) {
+
+			int nbTries = 0;
+			FileInfo res = new FileInfo (Path.Combine(destdir,intentValue));
+
+			foreach(var property in res.GetType().GetProperties())
+			{
+				if(property.Name == "Name")
+				{
+					object [] atts = property.GetCustomAttributes(typeof(RegularExpressionAttribute), true);
+					// we only keep the last one
+					// ASSERT(atts.Length>0) 
+					if (!((RegularExpressionAttribute)(atts [atts.Length - 1])).IsValid (res))
+						throw new InvalidFileNameException (intentValue);
+				} 
+			}
+
+			while (new FileInfo (Path.Combine (di.FullName, res.ShortName)).Exists)
+				{
+					res.ShortName = intentValue + "-" + nbTries++;
+				}
+			return res;
+		}*/
+
+	}
+}
+