feat: plex watchlist sync integration (#2885)

server/routes/discover.ts

@@ -1,10 +1,15 @@
 import { Router } from 'express';
 import { sortBy } from 'lodash';
+import PlexTvAPI from '../api/plextv';
 import TheMovieDb from '../api/themoviedb';
 import { MediaType } from '../constants/media';
+import { getRepository } from '../datasource';
 import Media from '../entity/Media';
-import type { User } from '../entity/User';
-import type { GenreSliderItem } from '../interfaces/api/discoverInterfaces';
+import { User } from '../entity/User';
+import type {
+  GenreSliderItem,
+  WatchlistItem,
+} from '../interfaces/api/discoverInterfaces';
 import { getSettings } from '../lib/settings';
 import logger from '../logger';
 import { mapProductionCompany } from '../models/Movie';
@@ -704,4 +709,50 @@ discoverRoutes.get<{ language: string }, GenreSliderItem[]>(
   }
 );
 
+discoverRoutes.get<
+  { page?: number },
+  {
+    page: number;
+    totalPages: number;
+    totalResults: number;
+    results: WatchlistItem[];
+  }
+>('/watchlist', async (req, res) => {
+  const userRepository = getRepository(User);
+  const itemsPerPage = 20;
+  const page = req.params.page ?? 1;
+  const offset = (page - 1) * itemsPerPage;
+
+  const activeUser = await userRepository.findOne({
+    where: { id: req.user?.id },
+    select: ['id', 'plexToken'],
+  });
+
+  if (!activeUser?.plexToken) {
+    // We will just return an empty array if the user has no plex token
+    return res.json({
+      page: 1,
+      totalPages: 1,
+      totalResults: 0,
+      results: [],
+    });
+  }
+
+  const plexTV = new PlexTvAPI(activeUser?.plexToken);
+
+  const watchlist = await plexTV.getWatchlist({ offset });
+
+  return res.json({
+    page,
+    totalPages: Math.ceil(watchlist.size / itemsPerPage),
+    totalResults: watchlist.size,
+    results: watchlist.items.map((item) => ({
+      ratingKey: item.ratingKey,
+      title: item.title,
+      mediaType: item.type === 'show' ? 'tv' : 'movie',
+      tmdbId: item.tmdbId,
+    })),
+  });
+});
+
 export default discoverRoutes;