Can retrieve room media

matrixgw_frontend/src/api/matrix/MatrixApiEvent.ts

@@ -67,4 +67,17 @@ export class MatrixApiEvent {
       })
     ).data;
   }
+
+  /**
+   * Get Matrix event file URL
+   */
+  static GetEventFileURL(
+    room: Room,
+    event_id: string,
+    thumbnail: boolean
+  ): string {
+    return `${APIClient.ActualBackendURL()}/matrix/room/${
+      room.id
+    }/event/${event_id}/file?thumbnail=${thumbnail}`;
+  }
 }