Added method to delete userspeciffic logs.

PolyChat/Controller.cs

@@ -93,8 +93,10 @@ namespace PolyChat
                     }
                     else
                     {
+                        Debug.WriteLine("---- Added new Connection ----");//Todo show error!
                         Connections.Add(ForeignIp, new Connection(socket, Data => OnMessage(ForeignIp, Data), CloseChat));
                         UIController.OnIncomingConnection(ForeignIp);
+                        fileManager.loadChats(ForeignIp);
                     }
                 });
             });

PolyChat/Models/FileManager.cs

@@ -21,6 +21,67 @@ namespace PolyChat.Models
             UIController = uiController;
         }
 
+        /// <summary>
+        /// deletes chatlog of one speciffic user
+        /// </summary>
+        /// <param name="ip"></param>
+        public void deleteChat(String ip)
+        {
+            if (Directory.Exists("U:\\PolyChat\\Saves"))
+            {
+                Debug.WriteLine("--Path exists.--");
+                //go through all files and send ip and json array to ui
+                String[] filepaths = Directory.GetFiles("U:\\PolyChat\\Saves");
+                if (filepaths.Length > 0)
+                {
+                    foreach (String path in filepaths)
+                    {
+                        if(Path.GetFileName(path).Equals(ip))
+                        {
+                            File.Delete(path);
+                            return;
+                        }
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// loads one chatlog probably when someone tries to connect
+        /// </summary>
+        /// <param name="ip"></param>
+        public void loadChats()
+        {
+            //load dir and create if non existant
+            if (Directory.Exists("U:\\PolyChat\\Saves"))
+            {
+                Debug.WriteLine("--Path exists.--");
+            }
+            else
+            {
+                Directory.CreateDirectory("U:\\PolyChat\\Saves");
+                Debug.WriteLine("--Path Created--.");
+            }
+
+            //go through all files and send ip and json array to ui
+            String[] filepaths = Directory.GetFiles("U:\\PolyChat\\Saves");
+            if (filepaths.Length > 0)
+            {
+                Debug.WriteLine("---Loading Saves");
+                foreach (String path in filepaths)
+                {
+                    Debug.WriteLine($"--{path}");
+                    String jsonArr = decrypt(File.ReadAllText(path));
+                    String ip = Path.GetFileName(path);
+                    ip = ip.Substring(0, ip.Length - 4);
+                    Debug.WriteLine($"-{ip}");
+                    Debug.WriteLine(jsonArr);
+                    UIController.OnIncomingConnection(ip);
+                    UIController.OnIncomingMessages(ip, jsonArr);
+                }
+            }
+        }
+
         /// <summary>
         /// sends chatlogs as json array to uiController wit corrosponding ip
         ///