diff --git a/WorkFlowProvider/NpgsqlContentProvider.cs b/WorkFlowProvider/NpgsqlContentProvider.cs
index aeb46154..0d6df8e9 100644
--- a/WorkFlowProvider/NpgsqlContentProvider.cs
+++ b/WorkFlowProvider/NpgsqlContentProvider.cs
@@ -12,6 +12,36 @@ namespace WorkFlowProvider
 {
 	public class NpgsqlContentProvider: ProviderBase, IContentProvider
 	{
+		public StatusChange[] GetWrittingStatuses (long wrid)
+		{
+			throw new NotImplementedException ();
+		}
+
+		public StatusChange[] GetEstimateStatuses (long estid)
+		{
+			throw new NotImplementedException ();
+		}
+
+		public void DropTagWritting (long wrid, string tag)
+		{
+			throw new NotImplementedException ();
+		}
+
+		public void UpdateWritting (Writting wr)
+		{
+			throw new NotImplementedException ();
+		}
+
+		public void SetWrittingStatus (long wrtid, int status, string username)
+		{
+			throw new NotImplementedException ();
+		}
+
+		public void SetEstimateStatus (long estid, int status, string username)
+		{
+			throw new NotImplementedException ();
+		}
+
 		public void TagWritting (long wrid, string tag)
 		{
 			throw new NotImplementedException ();
diff --git a/WorkFlowProvider/WFManager.cs b/WorkFlowProvider/WFManager.cs
index 9bd5f482..196693c8 100644
--- a/WorkFlowProvider/WFManager.cs
+++ b/WorkFlowProvider/WFManager.cs
@@ -8,6 +8,11 @@ namespace WorkFlowProvider
 {
 	public static class WFManager
 	{
+		public static void UpdateWritting (Writting wr)
+		{
+			throw new NotImplementedException ();
+		}
+
 		public static void DropWritting (long wrid)
 		{
 			ContentProvider.DropWritting (wrid);
@@ -75,7 +80,10 @@ namespace WorkFlowProvider
 			return ContentProvider.Write(estid, desc, ucost, count, productid);
 		}
 
-
+		public static void SetEstimateStatus(long estid, int status, string username)
+		{
+			ContentProvider.SetEstimateStatus (estid, status, username);
+		}
 
 	}
 }
diff --git a/web/Controllers/WorkFlowController.cs b/web/Controllers/WorkFlowController.cs
index ee8cf240..bcc1fd45 100644
--- a/web/Controllers/WorkFlowController.cs
+++ b/web/Controllers/WorkFlowController.cs
@@ -27,7 +27,12 @@ namespace Yavsc.ApiControllers
 		{
 			WFManager.DropWritting (wrid);
 		}
-
+		[HttpGet]
+		[Authorize]
+		public void UpdateWritting(Writting wr)
+		{
+			WFManager.UpdateWritting (wr);
+		}
 
 		[HttpGet]
 		[Authorize]
diff --git a/yavscModel/WorkFlow/IContentProvider.cs b/yavscModel/WorkFlow/IContentProvider.cs
index c881304f..a9d818e0 100644
--- a/yavscModel/WorkFlow/IContentProvider.cs
+++ b/yavscModel/WorkFlow/IContentProvider.cs
@@ -4,12 +4,11 @@ using System.Web.Mvc;
 
 namespace yavscModel.WorkFlow
 {
+	public interface StatusChange { int Status {get;} DateTime date {get;} }
+
 	public interface IContentProvider : IProvider, IDisposable
 	{
-		void DropWritting (long wrid);
-		void DropEstimate (long estid);
-		void TagWritting (long wrid,string tag);
-		int GetStatus (string estimId);
+
 		/// <summary>
 		/// Gets the status labels.
 		/// 0 is the starting status 
@@ -17,11 +16,20 @@ namespace yavscModel.WorkFlow
 		/// <value>The status labels.</value>
 		string [] StatusLabels {get;}
 		bool [] FinalStatuses { get; }
+		StatusChange[] GetWrittingStatuses (long wrid);
+		StatusChange[] GetEstimateStatuses (long estid);
 		long CreateEstimate (string client, string title);
-		void SetTitle (long estid,  string newTitle);
+		Estimate GetEstimate (long estimid);
 		long Write (long estid, string desc, decimal ucost, int count, long productid);
+		void DropWritting (long wrid);
+		void DropEstimate (long estid);
+		void TagWritting (long wrid,string tag);
+		void DropTagWritting (long wrid,string tag);
+		void UpdateWritting (Writting wr);
+		void SetTitle (long estid,  string newTitle);
 		void SetDesc (long writid, string newDesc);
-		Estimate GetEstimate (long estimid);
+		void SetWrittingStatus (long wrtid,int status,string username);
+		void SetEstimateStatus (long estid,int status,string username);
 	}
 }