Add schema to TubeArchivist URL if not present in settings

Jellyfin.Plugin.TubeArchivistMetadata/Configuration/PluginConfiguration.cs

@@ -1,4 +1,8 @@
+using System;
+using System.Data;
+using Jellyfin.Plugin.TubeArchivistMetadata.Utilities;
 using MediaBrowser.Model.Plugins;
+using Microsoft.Extensions.Logging;
 
 namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
 {
@@ -7,13 +11,25 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
     /// </summary>
     public class PluginConfiguration : BasePluginConfiguration
     {
+        private ILogger _logger;
+        private string _tubeArchivistUrl;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="PluginConfiguration"/> class.
         /// </summary>
         public PluginConfiguration()
         {
+            if (Plugin.Instance == null)
+            {
+                throw new DataException("Uninitialized plugin!");
+            }
+            else
+            {
+                _logger = Plugin.Instance.Logger;
+            }
+
             CollectionTitle = "YouTube";
-            TubeArchivistUrl = string.Empty;
+            _tubeArchivistUrl = string.Empty;
             TubeArchivistApiKey = string.Empty;
         }
 
@@ -25,7 +41,26 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
         /// <summary>
         /// Gets or sets TubeArchivist URL.
         /// </summary>
-        public string TubeArchivistUrl { get; set; }
+        public string TubeArchivistUrl
+        {
+            get
+            {
+                return _tubeArchivistUrl;
+            }
+
+            set
+            {
+                if (value.StartsWith("http://", StringComparison.CurrentCulture) || value.StartsWith("https://", StringComparison.CurrentCulture))
+                {
+                    _tubeArchivistUrl = Utils.SanitizeUrl(value);
+                }
+                else
+                {
+                    _logger.LogInformation("{Message}", "Given TubeArchivist URL contains no schema. Adding http://...");
+                    _tubeArchivistUrl = Utils.SanitizeUrl("http://" + value);
+                }
+            }
+        }
 
         /// <summary>
         /// Gets or sets TubeArchivist API key.