Bug Fix #53: Plugin install fails when dll loaded

2014-07-07 15:19:46 +10:00
parent 0b79140290
commit 67a624d5b5
2 changed files with 18 additions and 22 deletions
@@ -1,14 +1,11 @@
-using System;
-using System.Collections.Generic;
+using Disco.Data.Repository;
+using Disco.Services.Tasks;
+using Quartz;
+using System;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
 using System.Net;
-using System.Text;
-using System.Threading.Tasks;
-using Disco.Data.Repository;
-using Disco.Services.Tasks;
-using Quartz;

 namespace Disco.Services.Plugins
 {
@@ -109,7 +106,14 @@ namespace Disco.Services.Plugins
                            if (Directory.Exists(packagePath))
                            {
                                this.Status.UpdateStatus(25, "Removing Existing Files");
-                                Directory.Delete(packagePath, true);
+                                try
+                                {
+                                    Directory.Delete(packagePath, true);
+                                }
+                                catch (UnauthorizedAccessException)
+                                {
+                                    throw new InvalidOperationException("Unable to delete existing plugin files, they may be locked by another process. Please restart Disco ICT and try installing the plugin again.");
+                                }
                            }
                            Directory.CreateDirectory(packagePath);