Update: New Plugin Framework

Plugin Framework re-written. Initial commit.
2013-02-07 18:34:41 +11:00
parent 5b93d7b1d1
commit da6d7a338f
30 changed files with 15018 additions and 14038 deletions
@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Web;
+using Disco.Services.Tasks;
+using Quartz;
+
+namespace Disco.Services.Plugins
+{
+    public class UninstallPluginTask : ScheduledTask
+    {
+        public override string TaskName { get { return "Uninstalling Plugin"; } }
+
+        protected override void ExecuteTask()
+        {
+            PluginManifest manifest = (PluginManifest)this.ExecutionContext.JobDetail.JobDataMap["PluginManifest"];
+            bool UninstallData = (bool)this.ExecutionContext.JobDetail.JobDataMap["UninstallData"];
+
+            this.Status.UpdateStatus(25, string.Format("Uninstalling Plugin: {0} [{1}]", manifest.Name, manifest.Id), "Queuing plugin for uninstall");
+
+            PluginsLog.LogUninstalling(manifest, UninstallData);
+
+            string manifestFileLocation = Path.Combine(manifest.PluginLocation, "manifest.json");
+            if (!File.Exists(manifestFileLocation))
+                throw new FileNotFoundException("Plugin Manifest File Not Found", manifestFileLocation);
+
+            string manifestUninstallFileLocation = Path.Combine(manifest.PluginLocation, "manifest.uninstall.json");
+
+            if (File.Exists(manifestUninstallFileLocation))
+                File.Delete(manifestUninstallFileLocation);
+
+            File.Move(manifestFileLocation, manifestUninstallFileLocation);
+
+            if (UninstallData && Directory.Exists(manifest.StorageLocation))
+            {
+                var manifestDataUninstallFileLocation = Path.Combine(manifest.StorageLocation, "manifest.uninstall.json");
+                if (File.Exists(manifestDataUninstallFileLocation))
+                    File.Delete(manifestDataUninstallFileLocation);
+
+                File.Copy(manifestUninstallFileLocation, manifestDataUninstallFileLocation);
+            }
+
+            this.Status.Finished("Restarting Disco, please wait...", "/Config/Plugins");
+            RestartApp(1500);
+        }
+
+        public static ScheduledTaskStatus UninstallPlugin(PluginManifest Manifest, bool UninstallData)
+        {
+            if (ScheduledTasks.GetTaskStatuses(typeof(InstallPluginTask)).Where(s => s.IsRunning).Count() > 0)
+                throw new InvalidOperationException("A plugin is already being Uninstalled");
+
+            JobDataMap taskData = new JobDataMap() { { "PluginManifest", Manifest }, { "UninstallData", UninstallData } };
+
+            var instance = new UninstallPluginTask();
+
+            return instance.ScheduleTask(taskData);
+        }
+
+        #region Restart App
+        private static object _restartTimerLock = new object();
+        private static Timer _restartTimer;
+        private void RestartApp(int DelayMilliseconds)
+        {
+            lock (_restartTimerLock)
+            {
+                if (_restartTimer != null)
+                {
+                    _restartTimer.Dispose();
+                }
+
+                _restartTimer = new Timer((state) =>
+                {
+                    HttpRuntime.UnloadAppDomain();
+                    //AppDomain.Unload(AppDomain.CurrentDomain);
+                }, null, DelayMilliseconds, Timeout.Infinite);
+            }
+        }
+        #endregion
+    }
+}