Adding Edited Features

- FormBase: adding Edited method
- MessageClient: adding MessageEdit event
- GroupForm: adding Edited method
- DeviceSession: adding ChatTitle

TelegramBotBase/Base/FormBase.cs

@@ -191,6 +191,15 @@ namespace TelegramBotBase.Form
 
         }
 
+        /// <summary>
+        /// Gets invoked, when a messages has been edited.
+        /// </summary>
+        /// <param name="message"></param>
+        /// <returns></returns>
+        public virtual async Task Edited(MessageResult message)
+        {
+
+        }
 
 
         /// <summary>

TelegramBotBase/Base/MessageClient.cs

@@ -23,6 +23,8 @@ namespace TelegramBotBase.Base
 
         private static object __evOnMessage = new object();
 
+        private static object __evOnMessageEdit = new object();
+
         private static object __evCallbackQuery = new object();
 
 
@@ -84,13 +86,11 @@ namespace TelegramBotBase.Base
         {
             this.TelegramClient.Timeout = new TimeSpan(0, 0, 30);
 
-
             this.TelegramClient.OnMessage += TelegramClient_OnMessage;
+            this.TelegramClient.OnMessageEdited += TelegramClient_OnMessageEdited;
             this.TelegramClient.OnCallbackQuery += TelegramClient_OnCallbackQuery;
-
         }
 
-
         private async void TelegramClient_OnMessage(object sender, Telegram.Bot.Args.MessageEventArgs e)
         {
             //Skip empty messages by default
@@ -109,6 +109,25 @@ namespace TelegramBotBase.Base
             }
         }
 
+
+        private async void TelegramClient_OnMessageEdited(object sender, Telegram.Bot.Args.MessageEventArgs e)
+        {
+            //Skip empty messages by default
+            if (e.Message == null)
+                return;
+
+            try
+            {
+                var mr = new MessageResult(e);
+                mr.Client = this;
+                OnMessageEdit(mr);
+            }
+            catch
+            {
+
+            }
+        }
+
         private async void TelegramClient_OnCallbackQuery(object sender, Telegram.Bot.Args.CallbackQueryEventArgs e)
         {
             try
@@ -143,6 +162,23 @@ namespace TelegramBotBase.Base
             (this.__Events[__evOnMessage] as EventHandler<MessageResult>)?.Invoke(this, result);
         }
 
+        public event EventHandler<MessageResult> MessageEdit
+        {
+            add
+            {
+                this.__Events.AddHandler(__evOnMessageEdit, value);
+            }
+            remove
+            {
+                this.__Events.RemoveHandler(__evOnMessageEdit, value);
+            }
+        }
+
+        public void OnMessageEdit(MessageResult result)
+        {
+            (this.__Events[__evOnMessageEdit] as EventHandler<MessageResult>)?.Invoke(this, result);
+        }
+
         public event EventHandler<MessageResult> Action
         {
             add

TelegramBotBase/BotBase.cs

@@ -6,6 +6,7 @@ using System.Text;
 using System.Threading.Tasks;
 using Telegram.Bot;
 using TelegramBotBase.Args;
+using TelegramBotBase.Attributes;
 using TelegramBotBase.Base;
 using TelegramBotBase.Form;
 using TelegramBotBase.Interfaces;
@@ -165,6 +166,7 @@ namespace TelegramBotBase
                 return;
 
             this.Client.Message += Client_Message;
+            this.Client.MessageEdit += Client_MessageEdit;
             this.Client.Action += Client_Action;
 
 
@@ -202,7 +204,7 @@ namespace TelegramBotBase
             }
         }
 
-        private void Client_Message(object sender, MessageResult e)
+        private async void Client_Message(object sender, MessageResult e)
         {
             if (this.SkipAllMessages)
                 return;
@@ -219,7 +221,7 @@ namespace TelegramBotBase
 
                 ds?.OnMessageReceived(new MessageReceivedEventArgs(e.Message));
 
-                Client_TryMessage(sender, e);
+                await Client_TryMessage(sender, e);
             }
             catch (Telegram.Bot.Exceptions.ApiRequestException ex)
             {
@@ -232,7 +234,7 @@ namespace TelegramBotBase
             }
         }
 
-        private async void Client_TryMessage(object sender, MessageResult e)
+        private async Task Client_TryMessage(object sender, MessageResult e)
         {
             DeviceSession ds = e.Device;
             if (ds == null)
@@ -245,6 +247,7 @@ namespace TelegramBotBase
                 OnSessionBegins(new SessionBeginEventArgs(e.DeviceId, ds));
             }
 
+            ds.ChatTitle = e.Message.Chat.Username ?? e.Message.Chat.Title;
             ds.LastAction = DateTime.Now;
             ds.LastMessage = e.Message;
 
@@ -303,6 +306,61 @@ namespace TelegramBotBase
 
         }
 
+        private async void Client_MessageEdit(object sender, MessageResult e)
+        {
+            if (this.SkipAllMessages)
+                return;
+
+            try
+            {
+                DeviceSession ds = this.Sessions.GetSession(e.DeviceId);
+                e.Device = ds;
+
+                if (LogAllMessages)
+                {
+                    OnMessage(new MessageIncomeEventArgs(e.DeviceId, ds, e));
+                }
+
+                //Call same, to handle received liked edited
+                ds?.OnMessageReceived(new MessageReceivedEventArgs(e.Message));
+
+                await Client_TryMessageEdit(sender, e);
+            }
+            catch (Telegram.Bot.Exceptions.ApiRequestException ex)
+            {
+
+            }
+            catch (Exception ex)
+            {
+                DeviceSession ds = this.Sessions.GetSession(e.DeviceId);
+                OnException(new SystemExceptionEventArgs(e.Message.Text, ds?.DeviceId ?? -1, ds, ex));
+            }
+        }
+
+        private async Task Client_TryMessageEdit(object sender, MessageResult e)
+        {
+            DeviceSession ds = e.Device;
+            if (ds == null)
+            {
+                ds = await this.Sessions.StartSession<T>(e.DeviceId);
+                e.Device = ds;
+            }
+
+            ds.ChatTitle = e.Message.Chat.Username ?? e.Message.Chat.Title;
+            ds.LastAction = DateTime.Now;
+            ds.LastMessage = e.Message;
+
+            //Pre Loading Event
+            await ds.ActiveForm.Edited(e);
+
+            //When form has been switched due navigation within the edit method, reopen Client_Message
+            if (ds.FormSwitched)
+            {
+                await Client_TryMessage(sender, e);
+            }
+
+        }
+
         private void Client_Action(object sender, MessageResult e)
         {
             try
@@ -333,7 +391,7 @@ namespace TelegramBotBase
                 e.Device = ds;
             }
 
-
+            ds.ChatTitle = e.Message.Chat.Username ?? e.Message.Chat.Title;
             ds.LastAction = DateTime.Now;
             ds.LastMessage = e.Message;
 

TelegramBotBase/Form/GroupForm.cs

@@ -49,12 +49,16 @@ namespace TelegramBotBase.Form
 
                 default:
 
-                    OnMessage(message);
+                    await OnMessage(message);
 
                     break;
             }
 
+        }
 
+        public override async Task Edited(MessageResult message)
+        {
+            await OnMessageEdit(message);
         }
 
         public virtual async Task OnMemberChanges(MemberChangeEventArgs e)
@@ -73,5 +77,10 @@ namespace TelegramBotBase.Form
         {
 
         }
+
+        public virtual async Task OnMessageEdit(MessageResult e)
+        {
+
+        }
     }
 }

TelegramBotBase/Sessions/DeviceSession.cs

@@ -29,6 +29,11 @@ namespace TelegramBotBase.Sessions
         /// </summary>
         public long DeviceId { get; set; }
 
+        /// <summary>
+        /// Username of user or group
+        /// </summary>
+        public String ChatTitle { get; set; }
+
         /// <summary>
         /// When did any last action happend (message received or button clicked)
         /// </summary>