Update podcasts to new library item model

server/models/PodcastEpisode.js

@@ -143,6 +143,23 @@ class PodcastEpisode extends Model {
     return this.audioFile?.duration || 0
   }
 
+  /**
+   * Used for matching the episode with an episode in the RSS feed
+   *
+   * @param {string} guid
+   * @param {string} enclosureURL
+   * @returns {boolean}
+   */
+  checkMatchesGuidOrEnclosureUrl(guid, enclosureURL) {
+    if (this.extraData?.guid && this.extraData.guid === guid) {
+      return true
+    }
+    if (this.enclosureURL && this.enclosureURL === enclosureURL) {
+      return true
+    }
+    return false
+  }
+
   /**
    * Used in client players
    *