Remove warninigs from MediaBrowser.Controller (Part 3) (#6078)

Co-authored-by: Bond-009 <bond.009@outlook.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Resolvers/ItemResolver.cs b/MediaBrowser.Controller/Resolvers/ItemResolver.cs
new file mode 100644
index 0000000000..7fd54fcc69
--- /dev/null
+++ b/MediaBrowser.Controller/Resolvers/ItemResolver.cs
@@ -0,0 +1,57 @@
+#nullable disable
+
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+
+namespace MediaBrowser.Controller.Resolvers
+{
+    /// <summary>
+    /// Class ItemResolver.
+    /// </summary>
+    /// <typeparam name="T">The type of BaseItem.</typeparam>
+    public abstract class ItemResolver<T> : IItemResolver
+        where T : BaseItem, new()
+    {
+        /// <summary>
+        /// Gets the priority.
+        /// </summary>
+        /// <value>The priority.</value>
+        public virtual ResolverPriority Priority => ResolverPriority.First;
+
+        /// <summary>
+        /// Resolves the specified args.
+        /// </summary>
+        /// <param name="args">The args.</param>
+        /// <returns>`0.</returns>
+        public virtual T Resolve(ItemResolveArgs args)
+        {
+            return null;
+        }
+
+        /// <summary>
+        /// Sets initial values on the newly resolved item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="args">The args.</param>
+        protected virtual void SetInitialItemValues(T item, ItemResolveArgs args)
+        {
+        }
+
+        /// <summary>
+        /// Resolves the path.
+        /// </summary>
+        /// <param name="args">The args.</param>
+        /// <returns>BaseItem.</returns>
+        BaseItem IItemResolver.ResolvePath(ItemResolveArgs args)
+        {
+            var item = Resolve(args);
+
+            if (item != null)
+            {
+                SetInitialItemValues(item, args);
+            }
+
+            return item;
+        }
+    }
+}