add rejection of messages

Lab1/ChatRoom/ChatRoomLogic.cs

@@ -62,6 +62,16 @@ public class ChatRoomLogic
         return null;
     }
 
+    bool GetAndUpdateBlockedState(Client client)
+    {
+        if (client.blockedUntil != null && DateTime.UtcNow >= client.blockedUntil)
+        {
+            client.blockedUntil = null;
+        }
+
+        return client.blockedUntil != null;
+    }
+
     public bool SendMessage(int clientId, string contents, bool needsToBeCensored)
     {
         lock (state.accessLock)
@@ -72,17 +82,10 @@ public class ChatRoomLogic
                 return false;
             }
 
-            if (client.blockedUntil != null)
+            if (GetAndUpdateBlockedState(client))
-            {
-                if (DateTime.UtcNow < client.blockedUntil)
             {
                 return false;
             }
-                else
-                {
-                    client.blockedUntil = null;
-                }
-            }
 
             var message = new Message
             {
@@ -107,6 +110,7 @@ public class ChatRoomLogic
             {
                 if (message.status != MessageStatus.WaitingForModerator) continue;
 
+                log.Info($"Message '{message.id}' given to moderator");
                 message.status = MessageStatus.GivenToModerator;
                 return new ChatRoomContract.Message{
                     id = message.id,
@@ -139,6 +143,54 @@ public class ChatRoomLogic
         }
     }
 
+    public void RejectMessage(int messageId)
+    {
+        lock (state.accessLock)
+        {
+            var message = FindMessageById(messageId);
+            if (message == null)
+            {
+                return;
+            }
+
+            if (message.status != MessageStatus.GivenToModerator)
+            {
+                return;
+            }
+
+            message.status = MessageStatus.Rejected;
+            log.Info($"Message {message.id} was rejected");
+
+            var client = FindClientById(message.clientId);
+            if (client != null && !GetAndUpdateBlockedState(client))
+            {
+                client.strikes++;
+
+                var rnd = new Random();
+                if (client.strikes > rnd.Next(0, 10))
+                {
+                    log.Info($"Client '{client.name}' ({client.id}) was blocked for {client.strikes}s");
+                    client.blockedUntil = DateTime.UtcNow.AddSeconds(client.strikes);
+                    client.strikes = 0;
+                }
+            }
+        }
+    }
+
+    public int GetStrikes(int clientId)
+    {
+        lock (state.accessLock)
+        {
+            var client = FindClientById(clientId);
+            if (client == null)
+            {
+                return 0;
+            }
+
+            return client.strikes;
+        }
+    }
+
     public void BackgroundTask()
     {
         while (true)

Lab1/ChatRoom/ChatRoomService.cs

@@ -22,12 +22,12 @@ public class ChatRoomService : ChatRoomContract.IChatRoomService
 
     public int GetStrikes(int clientId)
     {
-        throw new NotImplementedException();
+        return logic.GetStrikes(clientId);
     }
 
     public void RejectMessage(int messageId)
     {
-        throw new NotImplementedException();
+        logic.RejectMessage(messageId);
     }
 
     public bool SendMessage(int clientId, string contents, bool needsToBeCensored)

Lab1/Moderator/Moderator.cs

@@ -64,9 +64,17 @@ internal class Moderator
             if (message != null)
             {
                 log.Info($"Checking message ({message.id}): {message.contents}");
+                Thread.Sleep(500);
 
+                if (message.needsToBeCensored)
+                {
+                    chatRoom.RejectMessage(message.id);
+                }
+                else
+                {
                     chatRoom.ApproveMessage(message.id);
                 }
+            }
 
             Thread.Sleep(1 * 1000);
         }

Lab1/Participant/Participant.cs

@@ -43,9 +43,11 @@ internal class Participant
         int clientId = chatRoom.RegisterClient(name);
         log.Info($"Registered with client id {clientId}");
 
-        Console.Title = $"Participant | {name} | {clientId}";
         while (true)
         {
+            int strikes = chatRoom.GetStrikes(clientId);
+            Console.Title = $"Participant | {name} | {clientId} | {strikes} Strikes";
+
             var message = string.Join(" ", faker.Lorem.Words(5));
             bool needsToBeCensored = rnd.Next(0, 100) > 50;
             if (chatRoom.SendMessage(clientId, message, needsToBeCensored)) {