Fixes #18 Single storage account with multiple containers

Author: Jeavon

src/UmbracoFileSystemProviders.Azure/AzureFileSystem.cs

@@ -55,7 +55,7 @@ internal class AzureFileSystem : IFileSystem
         /// <summary>
         /// The container name.
         /// </summary>
-        private readonly string containerName;
+        internal readonly string ContainerName;
 
         /// <summary>
         /// The root url.
@@ -112,7 +112,7 @@ private AzureFileSystem(string containerName, string rootUrl, string connectionS
             }
 
             this.rootUrl = rootUrl + containerName + "/";
-            this.containerName = containerName;
+            this.ContainerName = containerName;
             this.MaxDays = maxDays;
 
             this.LogHelper = new WrappedLogHelper();
@@ -563,7 +563,7 @@ private string ResolveUrl(string path, bool relative)
                 return url.AbsoluteUri;
             }
 
-            int index = url.AbsolutePath.IndexOf(this.containerName, StringComparison.Ordinal) - 1;
+            int index = url.AbsolutePath.IndexOf(this.ContainerName, StringComparison.Ordinal) - 1;
             string relativePath = url.AbsolutePath.Substring(index);
             return relativePath;
         }
@@ -595,9 +595,9 @@ private string FixPath(string path)
             }
 
             // Strip container Prefix
-            if (path.StartsWith(this.containerName, StringComparison.InvariantCultureIgnoreCase))
+            if (path.StartsWith(this.ContainerName, StringComparison.InvariantCultureIgnoreCase))
             {
-                path = path.Substring(this.containerName.Length);
+                path = path.Substring(this.ContainerName.Length);
             }
 
             if (path.StartsWith(Delimiter))

src/UmbracoFileSystemProviders.Azure/VirtualPathProviderController.cs

@@ -43,7 +43,8 @@ protected override void ApplicationStarting(UmbracoApplicationBase umbracoApplic
 
             if (!disable && isAzureBlobFileSystem)
             {
-                FileSystemVirtualPathProvider.ConfigureMedia();
+                var containerName = ((AzureBlobFileSystem)fileSystem).FileSystem.ContainerName;
+                FileSystemVirtualPathProvider.ConfigureMedia(containerName);
             }
 
             base.ApplicationStarting(umbracoApplication, applicationContext);