Refactoring book query

src/Yavsc.Abstract/Messaging/IAnnounce.cs

@@ -0,0 +1,12 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Interfaces;
+
+namespace Yavsc.Models.Messaging
+{
+    public interface IAnnounce : IOwned {
+         Reason For { get; set; }
+         string Message { get; set; }
+    }
+    
+}

src/Yavsc.Abstract/Messaging/RdvQueryEvent.cs

@@ -0,0 +1,60 @@
+//
+//  BookQueryEvent.cs
+//
+//  Author:
+//       Paul Schneider <paul@pschneider.fr>
+//
+//  Copyright (c) 2015-2016 GNU GPL
+//
+//  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/>.
+
+namespace Yavsc.Models.Messaging
+{
+    using Interfaces.Workflow;
+    using Yavsc.Abstract.Messaging;
+
+    public class RdvQueryEvent: RdvQueryProviderInfo, IEvent
+	{
+        public string SubTopic        
+        {
+            get; private set;
+        }
+
+        public RdvQueryEvent(string subTopic)
+        {
+             Topic = MessagingConstants.TopicRdvQuery;
+             SubTopic = subTopic;
+        }
+
+        public string Sender
+        {
+            get; set;
+        }
+
+        public string Topic
+        {
+            get; private set;
+        }
+
+        public string CreateBody()
+        {
+            return string.Format(Resources.RdvToPerf,
+             Client.UserName,
+            EventDate?.ToString("dddd dd/MM/yyyy à HH:mm"),
+            Location.Address,
+            ActivityCode);
+        }
+    }
+
+}

src/Yavsc.Abstract/Messaging/Reason.cs

@@ -0,0 +1,13 @@
+namespace Yavsc.Models.Messaging
+{
+    public enum Reason : byte
+    {
+        Private,
+        Corporate,
+        SearchingAPro,
+        Selling,
+        Buying,
+        ServiceProposal
+    }
+    
+}