* InputCircle.cs: An input control specialized for circle selection

* UserCard.cs: Displays user informations on a little div

* Estim.cs:
* WebControls.csproj:
* CircleInfo.cs:
* CircleProvider.cs:
* CircleApiController.cs:
* BasketApiController.cs:
* ITContentProvider.csproj:
* CalendarApiController.cs:
* WorkFlowApiController.cs:
* NpgsqlCircleProvider.cs:
* FrontOfficeApiController.cs:

* InputUserName.cs: Fixes the ToolBoxData attribute

* Web.csproj:
* Circle.cs: refactoring

* instdbws.sql: Foreign keys are cascading updates and deletions

* Estim.tt:
* Profile.cs: User's profile does not contain anymore the main e-mail
  address, it conflicts with registration informations, it is not part
  of the profile data

NpgsqlContentProvider/ChangeLog

@@ -1,3 +1,7 @@
+2015-06-10  Paul Schneider  <paul@pschneider.fr>
+
+	* NpgsqlCircleProvider.cs: 
+
 2015-06-10  Paul Schneider  <paul@pschneider.fr>
 
 	* NpgsqlCircleProvider.cs: implements a Circle provider

NpgsqlContentProvider/NpgsqlCircleProvider.cs

@@ -22,6 +22,9 @@ using System;
 using Yavsc.Model.Circles;
 using System.Collections.Specialized;
 using System.Configuration;
+using Npgsql;
+using NpgsqlTypes;
+using System.Collections.Generic;
 
 namespace WorkFlowProvider
 {
@@ -38,45 +41,172 @@ namespace WorkFlowProvider
 		}
 
 		#region implemented abstract members of CircleProvider
+
+		/// <summary>
+		/// Add the specified user.
+		/// </summary>
+		/// <param name="id">circle Identifier.</param>
+		/// <param name="username">User name.</param>
+		public override void Add (long id, string username)
+		{
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "insert into circle_members (circle_id, member) values (:cid,:uname)";
+				cmd.Parameters.AddWithValue("cid",id);
+				cmd.Parameters.AddWithValue("uname",username);
+				cnx.Open ();
+				cmd.ExecuteNonQuery ();	
+				cnx.Close ();
+			}
+		}
+
+		/// <summary>
+		/// Remove the specified user.
+		/// </summary>
+		/// <param name="id">circle Identifier.</param>
+		/// <param name="username">User name.</param>
+		public override void Remove (long id, string username)
+		{
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "delete from circle_members where circle_id = :cid and username = :uname";
+				cmd.Parameters.AddWithValue("cid",id);
+				cmd.Parameters.AddWithValue("uname",username);
+				cnx.Open ();
+				cmd.ExecuteNonQuery ();	
+				cnx.Close ();
+			}
+		}
+
+		/// <summary>
+		/// Get the specified id.
+		/// </summary>
+		/// <param name="id">Identifier.</param>
+		public override Circle Get (long id)
+		{
+			Circle circ=null;
+
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
+				cnx.Open ();
+				using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+					cmd.CommandText = "select title, owner from circle where _id = :cid";
+					cmd.Parameters.AddWithValue ("cid", id);
+					using (NpgsqlDataReader dr = cmd.ExecuteReader ()) {
+						if (dr.Read ()) {
+							circ = new Circle ();
+							circ.Id = id;
+							circ.Title = dr.GetString (
+								dr.GetOrdinal ("title"));
+							circ.Owner = dr.GetString (
+								dr.GetOrdinal ("owner"));
+						}
+						dr.Close ();
+					}
+				}
+
+				if (circ != null) {
+
+					using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+						cmd.CommandText = "select member from circle_members where circle_id = :cid";
+						cmd.Parameters.AddWithValue ("cid", id);
+						cmd.Prepare ();
+						List<string> members = new List<string> ();
+						using (NpgsqlDataReader dr = cmd.ExecuteReader ()) {
+							while (dr.Read ()) 
+								members.Add (dr.GetString (0));
+							dr.Close ();
+							circ.Members = members.ToArray ();
+						}
+					}
+				}
+				cnx.Close ();
+			}
+			return circ;
+		}
+
 		/// <summary>
 		/// Add the specified owner, title and users.
 		/// </summary>
 		/// <param name="owner">Owner.</param>
 		/// <param name="title">Title.</param>
 		/// <param name="users">Users.</param>
-		public override void Add (string owner, string title, string[] users)
+		public override long Create (string owner, string title, string[] users)
 		{
+			long id = 0;
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString)) {
+				cnx.Open ();
+				using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+					cmd.CommandText = "insert into circle (owner,title,applicationname) values (:wnr,:tit,:app) returning _id";
+					cmd.Parameters.AddWithValue ("wnr", owner);
+					cmd.Parameters.AddWithValue ("tit", title);
+					cmd.Parameters.AddWithValue ("app", applicationName);
+					id = (long)cmd.ExecuteScalar ();
+				}
+				using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+					cmd.CommandText = "insert into circle_members (circle_id,member) values (@cid,@mbr)";
+					cmd.Parameters.AddWithValue ("cid", id);
+					cmd.Parameters.Add ("mbr", NpgsqlDbType.Varchar);
+					cmd.Prepare ();
+					foreach (string user in users) {
+						cmd.Parameters[1].Value = user;
+						cmd.ExecuteNonQuery ();
+					}
+				}
+				cnx.Close ();
+			}
+
 			throw new NotImplementedException ();
 		}
+
 		/// <summary>
 		/// Delete the specified owner and title.
 		/// </summary>
-		/// <param name="owner">Owner.</param>
-		/// <param name="title">Title.</param>
-		public override void Delete (string owner, string title)
+		/// <param name="id">Identifier.</param>
+		public override void Delete (long id)
 		{
-			throw new NotImplementedException ();
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "delete from circle where _id = @cid";
+				cmd.Parameters.AddWithValue("cid",id);
+				cnx.Open ();
+				cmd.ExecuteNonQuery ();	
+				cnx.Close ();
+			}
 		}
+
 		/// <summary>
-		/// Get the specified owner and title.
+		/// List user's circles.
 		/// </summary>
-		/// <param name="owner">Owner.</param>
-		/// <param name="title">Title.</param>
-		public override Circle Get (string owner, string title)
+		/// <param name="user">User.</param>
+		public override CircleInfoCollection List (string user)
 		{
-			throw new NotImplementedException ();
-		}
-		/// <summary>
-		/// List this instance.
-		/// </summary>
-		public override CircleInfoCollection List ()
-		{
-			throw new NotImplementedException ();
+			CircleInfoCollection cc = null;
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "select _id, title from circle where owner = :wnr";
+				cmd.Parameters.AddWithValue("wnr",user);
+				cnx.Open ();
+				cmd.Prepare ();
+				using (NpgsqlDataReader rdr = cmd.ExecuteReader ()) {
+					if (rdr.HasRows) {
+						cc = new CircleInfoCollection ();
+						while (rdr.Read ()) 
+							cc.Add( 
+								new CircleInfo (
+									rdr.GetInt64 (0),
+									rdr.GetString (1)));
+					}
+					rdr.Close ();
+				}
+				cnx.Close ();
+
+			}
+			return cc;
 		}
 
 		#endregion
 
-		string cnxstr = null;
+		string connectionString = null;
 		string applicationName = null;
 		/// <summary>
 		/// Initialize this object using the specified name and config.
@@ -88,7 +218,7 @@ namespace WorkFlowProvider
 			if ( string.IsNullOrWhiteSpace(config ["connectionStringName"]))
 				throw new ConfigurationErrorsException ("No name for Npgsql connection string found");
 
-			cnxstr = ConfigurationManager.ConnectionStrings [config ["connectionStringName"]].ConnectionString;
+			connectionString = ConfigurationManager.ConnectionStrings [config ["connectionStringName"]].ConnectionString;
 			applicationName = config["applicationName"] ?? "/";
 		}