Added software updater

Author: hyperbx

Sonic '06 Mod Manager/About.Designer.cs

@@ -78,5 +78,16 @@ private void LinkLabel3_LinkClicked(object sender, LinkLabelLinkClickedEventArgs
         {
             Process.Start("https://twitter.com/sharu6262");
         }
+
+        private void Button2_Click(object sender, EventArgs e)
+        {
+            if (ModManager.serverStatus == "offline") MessageBox.Show("Unable to establish a connection to SEGA Carnival.", "Server Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            else if (ModManager.serverStatus == "down") MessageBox.Show("The update servers are currently undergoing maintenance. Apologies for the inconvenience.", "Server Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            else
+            {
+                ModManager.updateState = "user";
+                ModManager.CheckForUpdates(ModManager.versionNumber, "https://segacarnival.com/hyper/updates/sonic-06-mod-manager/latest-master.exe", "https://segacarnival.com/hyper/updates/sonic-06-mod-manager/latest_master.txt");
+            }
+        }
     }
 }

Sonic '06 Mod Manager/About.cs

@@ -40,8 +40,10 @@ namespace Sonic_06_Mod_Manager
 {
     public partial class ModManager : Form
     {
-        public static string versionNumber = "Version 1.03";
-        public static string installState = "";
+        public static string versionNumber = "Version 1.04";
+        public static string updateState;
+        public static string serverStatus;
+        public static string installState;
         public static bool isCreatorDisposed;
         public static string username;
         public static string password;
@@ -72,8 +74,61 @@ public ModManager()
 
         public string applicationData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
 
+        public static void CheckForUpdates(string currentVersion, string newVersionDownloadLink, string versionInfoLink)
+        {
+            try
+            {
+                var latestVersion = new Tools.TimedWebClient { Timeout = 100000 }.DownloadString(versionInfoLink);
+                var changeLogs = new Tools.TimedWebClient { Timeout = 100000 }.DownloadString("https://segacarnival.com/hyper/updates/sonic-06-mod-manager/changelogs.txt");
+                if (latestVersion.Contains("Version"))
+                {
+                    if (latestVersion != currentVersion)
+                    {
+                        DialogResult confirmUpdate = MessageBox.Show("Sonic '06 Mod Manager - " + latestVersion + " is now available!\n\nChangelogs:\n" + changeLogs + "\n\nDo you wish to download it?", "New update available!", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+                        switch (confirmUpdate)
+                        {
+                            case DialogResult.Yes:
+                                try
+                                {
+                                    if (File.Exists(Application.ExecutablePath))
+                                    {
+                                        var clientApplication = new WebClient();
+                                        clientApplication.DownloadFileAsync(new Uri(newVersionDownloadLink), Application.ExecutablePath + ".pak");
+                                        clientApplication.DownloadFileCompleted += (s, e) =>
+                                        {
+                                            File.Replace(Application.ExecutablePath + ".pak", Application.ExecutablePath, Application.ExecutablePath + ".bak");
+                                            Process.Start(Application.ExecutablePath);
+                                            Application.Exit();
+                                        };
+                                    }
+                                    else { MessageBox.Show("Sonic '06 Mod Manager doesn't exist... What?!", "Stupid Error", MessageBoxButtons.OK, MessageBoxIcon.Error); }
+                                }
+                                catch
+                                {
+                                    MessageBox.Show("An error occurred when updating Sonic '06 Mod Manager.", "Fatal Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                                }
+                                break;
+                        }
+                    }
+                    else if (updateState == "user") MessageBox.Show("There are currently no updates available.", "Sonic '06 Mod Manager", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                }
+                else
+                {
+                    serverStatus = "down";
+                }
+            }
+            catch
+            {
+                serverStatus = "offline";
+            }
+
+            updateState = null;
+        }
+
         private void ModManager_Load(object sender, EventArgs e)
         {
+            CheckForUpdates(versionNumber, "https://segacarnival.com/hyper/updates/sonic-06-mod-manager/latest-master.exe", "https://segacarnival.com/hyper/updates/sonic-06-mod-manager/latest_master.txt");
+
             if (!Directory.Exists($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool")) Directory.CreateDirectory($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool");
             if (!File.Exists($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool\\arctool.php")) File.WriteAllBytes($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool\\arctool.php", Properties.Resources.arctoolphp);
             if (!File.Exists($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool\\unarc.php")) File.WriteAllBytes($"{applicationData}\\Sonic_06_Mod_Manager\\Tools\\arctool\\unarc.php", Properties.Resources.unarcphp);

Sonic '06 Mod Manager/ModManager.cs

@@ -33,4 +33,4 @@
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.3.0")]
+[assembly: AssemblyFileVersion("1.0.4.0")]

Sonic '06 Mod Manager/Properties/AssemblyInfo.cs

@@ -343,4 +343,21 @@ public static void Dispose()
             }
         }
     }
+
+    public class TimedWebClient : WebClient
+    {
+        public int Timeout { get; set; }
+
+        public TimedWebClient()
+        {
+            Timeout = 100000;
+        }
+
+        protected override WebRequest GetWebRequest(Uri address)
+        {
+            var objWebRequest = base.GetWebRequest(address);
+            objWebRequest.Timeout = Timeout;
+            return objWebRequest;
+        }
+    }
 }