Add exception handling and logging

Configuration/UserConfig.cs

@@ -3,6 +3,7 @@
 using System.IO;
 using System.Runtime.Serialization;
 using System.Runtime.Serialization.Formatters.Binary;
+using System.Windows.Forms;
 using TweetDick.Core.Handling;
 
 namespace TweetDick.Configuration{
@@ -71,8 +72,8 @@ public bool Save(){
                 }
 
                 return true;
-            }catch(Exception){
+            }catch(Exception e){
-                // TODO
+                Program.HandleException("Could not save the configuration file.",e);
                 return false;
             }
         }
@@ -87,11 +88,11 @@ public static UserConfig Load(string file){
                             config.file = file;
                         }
                     }
-
+                    
                     break;
                 }catch(FileNotFoundException){
-                }catch(Exception){
+                }catch(Exception e){
-                    // TODO
+                    Program.HandleException("Could not open the configuration file.",e);
                 }
             }
 

Migration/MigrationManager.cs

@@ -30,12 +30,13 @@ public static void Run(){
 
                         formWait.ShowWorkDialog(() => {
                             if (!BeginMigration(decision,ex => formWait.Invoke(new Action(() => {
-                                if (ex != null){
-                                    MessageBox.Show(ex.ToString()); // TODO
-                                }
-
                                 formWait.Close();
 
+                                if (ex != null){
+                                    Program.HandleException("An unexpected exception has occurred during the migration process.",ex);
+                                    return;
+                                }
+
                                 Program.UserConfig.IgnoreMigration = true;
                                 Program.UserConfig.Save();
                             })))){

Program.cs

@@ -1,8 +1,10 @@
 using CefSharp;
 using System;
+using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Text;
 using System.Windows.Forms;
 using TweetDick.Configuration;
 using TweetDick.Core;
@@ -79,6 +81,14 @@ private static void Main(){
                 #endif
             });
 
+            AppDomain.CurrentDomain.UnhandledException += (sender, args) => {
+                Exception ex = args.ExceptionObject as Exception;
+
+                if (ex != null){
+                    HandleException("An unhandled exception has occurred.",ex);
+                }
+            };
+
             Application.ApplicationExit += (sender, args) => {
                 UserConfig.Save();
                 LockManager.Unlock();
@@ -87,5 +97,30 @@ private static void Main(){
 
             Application.Run(new FormBrowser());
         }
+
+        public static void HandleException(string message, Exception e){
+            Log(e.ToString());
+            
+            if (MessageBox.Show(message+"\r\nDo you want to open the log file to report the issue?",BrandName+" Has Failed :(",MessageBoxButtons.YesNo,MessageBoxIcon.Error,MessageBoxDefaultButton.Button2) == DialogResult.Yes){
+                Process.Start(Path.Combine(AppDomain.CurrentDomain.BaseDirectory,"td-log.txt"));
+            }
+        }
+
+        public static void Log(string data){
+            StringBuilder build = new StringBuilder();
+
+            if (!File.Exists("td-log.txt")){
+                build.Append("Please, report all issues to: https://github.com/chylex/TweetDick/issues\r\n\r\n");
+            }
+
+            build.Append("[").Append(DateTime.Now.ToString("G")).Append("]\r\n");
+            build.Append(data).Append("\r\n\r\n");
+
+            try{
+                File.AppendAllText("td-log.txt",build.ToString(),Encoding.UTF8);
+            }catch{
+                // oops
+            }
+        }
     }
 }