Merge fix.

README.md

@@ -78,7 +78,12 @@ Currently supported methods:
  - [Get Contact by Username](#get-contact-by-username)
  - [Send Message to Contact](#send-message-to-contact)
  - [Send Media to Contact](#send-media-to-contact)
- - [Get Messages History for a Contact](#get-messages-history)
+ - [Get Messages History for Contact](#get-messages-history-for-contact)
+ - [Get UserFull](#get-userfull)
+ - [Create Chat](#create-chat)
+ - [Add Chat user](#add-chat-user)
+ - [Delete Chat user](#delete-chat-user)
+ - [Leave Chat](#leave-chat)
  - [Get Updates State](#get-updates-state)
  - [Get Updates Difference](#get-updates-difference)
 
@@ -185,7 +190,7 @@ var res = await client.SendMediaMessage(userId, mediaFile);
 
 **Returns**: **bool**, file sent or not
 
-####Get Messages History
+####Get Messages History for Contact
 Returns messages history for specified userId.
 
 _Example_:
@@ -200,7 +205,7 @@ var hist = await client.GetMessagesHistoryForContact(userId, offset, limit);
 
 **Returns**: **List\<Message\>**, message history
 
-####Get UserFull Request
+####Get UserFull
 Returns user's full information for specified userId.
 
 _Example_:
@@ -213,6 +218,61 @@ var userFull = await client.GetUserFull(userId);
 
 **Returns**: **UserFull**, User's information
 
+####Create Chat
+Creates a new chat.
+
+_Example_:
+
+```
+var statedMessage = await client.CreateChat(title, new List<string> { userId1, userId2 });
+``` 
+
+* title - **string**, chat name
+* userIdsToInvite - **List<int>**, list of userIds to invite to chat. Current user will be automatically added to this chat.
+
+**Returns**: **Messages_statedMessageConstructor**, Message that contains information about created chat.
+
+####Add Chat user
+Adds a user to a chat and sends a service message on it.
+
+_Example_:
+
+```
+var statedMessage = await client.AddChatUser(chatId, userId);
+``` 
+
+* chatId - **int**, Chat ID
+* userId - **int**, User ID to be added
+
+**Returns**: **Messages_statedMessageConstructor**, Message that contains information about modified chat.
+
+####Delete Chat user
+Deletes a user from a chat and sends a service message on it.
+
+_Example_:
+
+```
+var statedMessage = await client.DeleteChatUser(chatId, userId);
+``` 
+
+* chatId - **int**, Chat ID
+* userId - **int**, User ID to be deleted
+
+**Returns**: **Messages_statedMessageConstructor**, Message that contains information about modified chat.
+
+####Leave Chat
+Leaves the chat by deleting currently authenticated user from it.
+
+_Example_:
+
+```
+var statedMessage = await client.LeaveChat(chatId);
+``` 
+
+* chatId - **int**, Chat ID
+
+**Returns**: **Messages_statedMessageConstructor**, Message that contains information about modified chat.
+
 ####Get Updates State
 Returns a current state of updates.
 

TLSharp.Core/TelegramClient.cs

@@ -312,23 +312,23 @@ namespace TLSharp.Core
 
         public async Task<Messages_statedMessageConstructor> CreateChat(string title, List<string> userPhonesToInvite)
         {
-            var request = new GetUpdatesStateRequest();
-
-            await _sender.Send(request);
-            await _sender.Receive(request);
-
-            return request.updates;
-        }
-
-        public async Task<updates_Difference> GetUpdatesDifference(int lastPts, int lastDate, int lastQts)
+            var userIdsToInvite = new List<int>();
+            foreach (var userPhone in userPhonesToInvite)
             {
-            var request = new GetUpdatesDifferenceRequest(lastPts, lastDate, lastQts);
+                var uid = await ImportContactByPhoneNumber(userPhone);
+                if (!uid.HasValue)
+                    throw new InvalidOperationException($"Failed to retrieve contact {userPhone}");
 
-            await _sender.Send(request);
-            await _sender.Receive(request);
-
-            return request.updatesDifference;
+                userIdsToInvite.Add(uid.Value);
             }
+
+            return await CreateChat(title, userIdsToInvite);
+        }
+
+        public async Task<Messages_statedMessageConstructor> CreateChat(string title, List<int> userIdsToInvite)
+        {
+            var request = new CreateChatRequest(userIdsToInvite.Select(uid => new InputUserContactConstructor(uid)).ToList(), title);
+
             await _sender.Send(request);
             await _sender.Receive(request);
 
@@ -359,5 +359,25 @@ namespace TLSharp.Core
         {
             return await DeleteChatUser(chatId, ((UserSelfConstructor) _session.User).id);
         }
+
+        public async Task<updates_State> GetUpdatesState()
+        {
+            var request = new GetUpdatesStateRequest();
+
+            await _sender.Send(request);
+            await _sender.Receive(request);
+
+            return request.updates;
+        }
+
+        public async Task<updates_Difference> GetUpdatesDifference(int lastPts, int lastDate, int lastQts)
+        {
+            var request = new GetUpdatesDifferenceRequest(lastPts, lastDate, lastQts);
+
+            await _sender.Send(request);
+            await _sender.Receive(request);
+
+            return request.updatesDifference;
+        }
     }
 }

TLSharp.Tests/TLSharpTests.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Configuration;
 using System.Diagnostics;
 using System.IO;
@@ -25,6 +26,8 @@ namespace TLSharp.Tests
 
         private string NumberToGetUserFull { get; set; }
 
+        private string NumberToAddToChat { get; set; }
+
         private string apiHash = "";
 
         private int apiId = 0;
@@ -53,6 +56,9 @@ namespace TLSharp.Tests
             if (string.IsNullOrEmpty(NumberToGetUserFull))
                 Debug.WriteLine("NumberToGetUserFull not configured in app.config! Some tests may fail.");
 
+            NumberToAddToChat = ConfigurationManager.AppSettings[nameof(NumberToAddToChat)];
+            if (string.IsNullOrEmpty(NumberToAddToChat))
+                Debug.WriteLine("NumberToAddToChat not configured in app.config! Some tests may fail.");
         }
 
         [TestMethod]
@@ -321,7 +327,7 @@ namespace TLSharp.Tests
 
             var createdChat = GetChatFromStatedMessage(statedMessageAfterCreation);
 
-            var addUserId = await client.ImportContactByPhoneNumber("380685004559");
+            var addUserId = await client.ImportContactByPhoneNumber(NumberToAddToChat);
 
             var statedMessageAfterAddUser = await client.AddChatUser(createdChat.id, addUserId.Value);
             var modifiedChat = GetChatFromStatedMessage(statedMessageAfterAddUser);

TLSharp.Tests/app.config

@@ -6,5 +6,6 @@
     <add key="NumberToSendMessage" value=""/>
     <add key="UserNameToSendMessage" value=""/>
     <add key="NumberToGetUserFull" value=""/>
+    <add key="NumberToAddToChat" value=""/>
   </appSettings>
 </configuration>