1 files changed, 155 insertions, 0 deletions
diff --git a/samples/IrcChatSystem/ChatClientApp/Client/ChatController.cs b/samples/IrcChatSystem/ChatClientApp/Client/ChatController.cs
new file mode 100644
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+++ b/samples/IrcChatSystem/ChatClientApp/Client/ChatController.cs
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+using System;
+using Hik.Communication.Scs.Communication;
+using Hik.Communication.Scs.Communication.EndPoints.Tcp;
+using Hik.Communication.ScsServices.Client;
+using Hik.Communication.ScsServices.Communication.Messages;
+using Hik.Samples.Scs.IrcChat.Arguments;
+using Hik.Samples.Scs.IrcChat.Contracts;
+
+namespace Hik.Samples.Scs.IrcChat.Client
+{
+    /// <summary>
+    /// This class is a mediator with view and SCS system.
+    /// </summary>
+    internal class ChatController : IChatController
+    {
+        #region Private fields
+
+        /// <summary>
+        /// Reference to login form.
+        /// </summary>
+        public ILoginFormView LoginForm { get; set; }
+
+        /// <summary>
+        /// Reference to chat room window.
+        /// </summary>
+        public IChatRoomView ChatRoom { get; set; }
+
+        /// <summary>
+        /// The object which handles remote method calls from server.
+        /// It implements IChatClient contract.
+        /// </summary>
+        private ChatClient _chatClient;
+
+        /// <summary>
+        /// This object is used to connect to SCS Chat Service as a client. 
+        /// </summary>
+        private IScsServiceClient<IChatService> _scsClient;
+
+        #endregion
+
+        #region IChatController implementation
+
+        /// <summary>
+        /// Connects to the server.
+        /// It automatically Logins to server if connection success.
+        /// </summary>
+        public void Connect()
+        {
+            //Disconnect if currently connected
+            Disconnect();
+
+            //Create a ChatClient to handle remote method invocations by server
+            _chatClient = new ChatClient(ChatRoom);
+
+            //Create a SCS client to connect to SCS server
+            _scsClient = ScsServiceClientBuilder.CreateClient<IChatService>(new ScsTcpEndPoint(LoginForm.ServerIpAddress, LoginForm.ServerTcpPort), _chatClient);
+
+            //Register events of SCS client
+            _scsClient.Connected += ScsClient_Connected;
+            _scsClient.Disconnected += ScsClient_Disconnected;
+
+            //Connect to the server
+            _scsClient.Connect();
+        }
+
+        /// <summary>
+        /// Disconnects from server if it is connected.
+        /// </summary>
+        public void Disconnect()
+        {
+            if (_scsClient != null && _scsClient.CommunicationState == CommunicationStates.Connected)
+            {
+                try
+                {
+                    _scsClient.Disconnect();
+                }
+                catch
+                {
+
+                }
+
+                _scsClient = null;
+            }
+        }
+
+        /// <summary>
+        /// Sends a public message to room.
+        /// It will be seen by all users in room.
+        /// </summary>
+        /// <param name="message">Message to be sent</param>
+        public void SendMessageToRoom(ChatMessage message)
+        {
+            _scsClient.ServiceProxy.SendMessageToRoom(message);
+        }
+
+        /// <summary>
+        /// Change status of user.
+        /// </summary>
+        /// <param name="newStatus">New status</param>
+        public void ChangeStatus(UserStatus newStatus)
+        {
+            _scsClient.ServiceProxy.ChangeStatus(newStatus);
+        }
+
+        /// <summary>
+        /// Sends a private message to a user.
+        /// </summary>
+        /// <param name="nick">Destination nick</param>
+        /// <param name="message">Message</param>
+        public void SendPrivateMessage(string nick, ChatMessage message)
+        {
+            _scsClient.ServiceProxy.SendPrivateMessage(nick, message);
+        }
+
+        #endregion
+
+        #region Private methods
+
+        /// <summary>
+        /// This method handles Connected event of _scsClient.
+        /// </summary>
+        /// <param name="sender">Source of event</param>
+        /// <param name="e">Event arguments</param>
+        private void ScsClient_Connected(object sender, EventArgs e)
+        {
+            try
+            {
+                _scsClient.ServiceProxy.Login(LoginForm.CurrentUserInfo);
+                ChatRoom.OnLoggedIn();
+            }
+            catch (ScsRemoteException ex)
+            {
+                Disconnect();
+                ChatRoom.OnLoginError(ex.InnerException != null ? ex.InnerException.Message : ex.Message);
+            }
+            catch
+            {
+                Disconnect();
+                ChatRoom.OnLoginError("Can not login to server. Please try again later.");
+            }
+        }
+
+        /// <summary>
+        /// This method handles Disconnected event of _scsClient.
+        /// </summary>
+        /// <param name="sender">Source of event</param>
+        /// <param name="e">Event arguments</param>
+        private void ScsClient_Disconnected(object sender, EventArgs e)
+        {
+            ChatRoom.OnLoggedOut();
+        }
+
+        #endregion
+    }
+}