Implement JF->TA watched status synchronization

Jellyfin.Plugin.TubeArchivistMetadata/TubeArchivist/Additional/Watched.cs

@@ -0,0 +1,33 @@
+using Newtonsoft.Json;
+
+namespace Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist
+{
+    /// <summary>
+    /// A class representing TubeArchivist API video watched status.
+    /// </summary>
+    public class Watched
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Watched"/> class.
+        /// </summary>
+        /// <param name="id">Id of the video/channel/playlist.</param>
+        /// <param name="isWatched">Watched status.</param>
+        public Watched(string id, bool isWatched)
+        {
+            Id = id;
+            IsWatched = isWatched;
+        }
+
+        /// <summary>
+        /// Gets the id of the video/channel/playlist.
+        /// </summary>
+        [JsonProperty(PropertyName = "id")]
+        public string Id { get; }
+
+        /// <summary>
+        /// Gets a value indicating whether the item has been watched or not.
+        /// </summary>
+        [JsonProperty(PropertyName = "is_watched")]
+        public bool IsWatched { get; }
+    }
+}

Jellyfin.Plugin.TubeArchivistMetadata/TubeArchivist/TubeArchivistApi.cs

@@ -153,7 +153,7 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist
         /// </summary>
         /// <param name="videoId">Video id.</param>
         /// <param name="progress">Progress in seconds.</param>
-        /// <returns>Nothing if successful.</returns>
+        /// <returns>The response <see cref="HttpStatusCode"/>.</returns>
         public async Task<HttpStatusCode> SetProgress(string videoId, long progress)
         {
             var progressEndpoint = $"/api/video/{videoId}/progress/";
@@ -187,5 +187,22 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist
 
             return progress;
         }
+
+        /// <summary>
+        /// Set video/channel/playlist as watched on TubeArchivist.
+        /// </summary>
+        /// <param name="itemId">Video/channel/playlist id.</param>
+        /// <param name="isWatched">Whether the item has been watched or not.</param>
+        /// <returns>The response <see cref="HttpStatusCode"/>.</returns>
+        public async Task<HttpStatusCode> SetWatchedStatus(string itemId, bool isWatched)
+        {
+            var watchedEndpoint = $"/api/watched/";
+            var url = new Uri(Utils.SanitizeUrl(Plugin.Instance!.Configuration.TubeArchivistUrl + watchedEndpoint));
+            var body = JsonConvert.SerializeObject(new Watched(itemId, isWatched));
+
+            var response = await client.PostAsync(url, new StringContent(body, Encoding.UTF8, "application/json")).ConfigureAwait(true);
+
+            return response.StatusCode;
+        }
     }
 }