Merge pull request #2990 from mark-monteiro/create-missing-folders

Create Missing Data Folders

(cherry picked from commit 00d8983d7cec0594efac8d85a927dba3c3391bdf)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs

@@ -67,6 +67,9 @@ namespace Emby.Server.Implementations.Configuration
         /// <summary>
         /// Updates the metadata path.
         /// </summary>
+        /// <exception cref="UnauthorizedAccessException">If the directory does not exist, and the caller does not have the required permission to create it.</exception>
+        /// <exception cref="NotSupportedException">If there is a custom path transcoding path specified, but it is invalid.</exception>
+        /// <exception cref="IOException">If the directory does not exist, and it also could not be created.</exception>
         private void UpdateMetadataPath()
         {
             if (string.IsNullOrWhiteSpace(Configuration.MetadataPath))
@@ -77,6 +80,7 @@ namespace Emby.Server.Implementations.Configuration
             {
                 ((ServerApplicationPaths)ApplicationPaths).InternalMetadataPath = Configuration.MetadataPath;
             }
+            Directory.CreateDirectory(ApplicationPaths.InternalMetadataPath);
         }
 
         /// <summary>

Emby.Server.Implementations/ServerApplicationPaths.cs

@@ -9,8 +9,6 @@ namespace Emby.Server.Implementations
     /// </summary>
     public class ServerApplicationPaths : BaseApplicationPaths, IServerApplicationPaths
     {
-        private string _internalMetadataPath;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="ServerApplicationPaths" /> class.
         /// </summary>
@@ -27,6 +25,7 @@ namespace Emby.Server.Implementations
                 cacheDirectoryPath,
                 webDirectoryPath)
         {
+            InternalMetadataPath = DefaultInternalMetadataPath;
         }
 
         /// <summary>
@@ -98,12 +97,11 @@ namespace Emby.Server.Implementations
         /// <value>The user configuration directory path.</value>
         public string UserConfigurationDirectoryPath => Path.Combine(ConfigurationDirectoryPath, "users");
 
+        /// <inheritdoc/>
+        public string DefaultInternalMetadataPath => Path.Combine(ProgramDataPath, "metadata");
+
         /// <inheritdoc />
-        public string InternalMetadataPath
-        {
-            get => _internalMetadataPath ?? (_internalMetadataPath = Path.Combine(DataPath, "metadata"));
-            set => _internalMetadataPath = value;
-        }
+        public string InternalMetadataPath { get; set; }
 
         /// <inheritdoc />
         public string VirtualInternalMetadataPath { get; } = "%MetadataPath%";

MediaBrowser.Common/Configuration/EncodingConfigurationExtensions.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 using MediaBrowser.Model.Configuration;
 
@@ -17,18 +18,25 @@ namespace MediaBrowser.Common.Configuration
             => configurationManager.GetConfiguration<EncodingOptions>("encoding");
 
         /// <summary>
-        /// Retrieves the transcoding temp path from the encoding configuration.
+        /// Retrieves the transcoding temp path from the encoding configuration, falling back to a default if no path
+        /// is specified in configuration. If the directory does not exist, it will be created.
         /// </summary>
-        /// <param name="configurationManager">The Configuration manager.</param>
+        /// <param name="configurationManager">The configuration manager.</param>
         /// <returns>The transcoding temp path.</returns>
+        /// <exception cref="UnauthorizedAccessException">If the directory does not exist, and the caller does not have the required permission to create it.</exception>
+        /// <exception cref="NotSupportedException">If there is a custom path transcoding path specified, but it is invalid.</exception>
+        /// <exception cref="IOException">If the directory does not exist, and it also could not be created.</exception>
         public static string GetTranscodePath(this IConfigurationManager configurationManager)
         {
+            // Get the configured path and fall back to a default
             var transcodingTempPath = configurationManager.GetEncodingOptions().TranscodingTempPath;
             if (string.IsNullOrEmpty(transcodingTempPath))
             {
-                return Path.Combine(configurationManager.CommonApplicationPaths.ProgramDataPath, "transcodes");
+                transcodingTempPath = Path.Combine(configurationManager.CommonApplicationPaths.ProgramDataPath, "transcodes");
             }
 
+            // Make sure the directory exists
+            Directory.CreateDirectory(transcodingTempPath);
             return transcodingTempPath;
         }
     }

MediaBrowser.Controller/IServerApplicationPaths.cs

@@ -71,7 +71,12 @@ namespace MediaBrowser.Controller
         string UserConfigurationDirectoryPath { get; }
 
         /// <summary>
-        /// Gets the internal metadata path.
+        /// Gets the default internal metadata path.
+        /// </summary>
+        string DefaultInternalMetadataPath { get; }
+
+        /// <summary>
+        /// Gets the internal metadata path, either a custom path or the default.
         /// </summary>
         /// <value>The internal metadata path.</value>
         string InternalMetadataPath { get; }