updates addon to a working state

addon/addon.js

@@ -1,55 +1,126 @@
 const { addonBuilder } = require('stremio-addon-sdk');
+const titleParser = require('parse-torrent-title');
+const { toStreamInfo } = require('./lib/streamInfo');
 const { cacheWrapStream } = require('./lib/cache');
+const repository = require('./lib/repository');
 
 const CACHE_MAX_AGE = process.env.CACHE_MAX_AGE || 24 * 60; // 24 hours in seconds
 const CACHE_MAX_AGE_EMPTY = 4 * 60; // 4 hours in seconds
 const STALE_REVALIDATE_AGE = 4 * 60; // 4 hours
 const STALE_ERROR_AGE = 7 * 24 * 60; // 7 days
-const EMPTY_OBJECT = {};
 
 const builder = new addonBuilder({
   id: 'com.stremio.torrentio.addon',
   version: '1.0.0',
   name: 'Torrentio',
-  description: 'Provides torrent stream from scraped torrent providers. Currently support ThePirateBay, 1337x, RARBG, KickassTorrents, HorribleSubs.',
+  description: 'Provides torrent stream from scraped torrent providers. '
+      + 'Currently supports ThePirateBay, 1337x, RARBG, KickassTorrents, HorribleSubs.',
   catalogs: [],
   resources: ['stream'],
   types: ['movie', 'series'],
-  idPrefixes: ['tt'],
+  idPrefixes: ['tt', 'kitsu'],
   background: `https://i.imgur.com/t8wVwcg.jpg`,
-  logo: `https://i.imgur.com/dPa2clS.png`,
+  logo: `https://i.imgur.com/GwxAcDV.png`,
 });
 
 builder.defineStreamHandler((args) => {
-  if (!args.id.match(/tt\d+/i)) {
+  if (!args.id.match(/tt\d+/i) && args.id.match(/kitsu:\d+/i)) {
     return Promise.resolve({ streams: [] });
   }
 
   const handlers = {
-    series: () => seriesStreamHandler(args),
-    movie: () => movieStreamHandler(args),
+    series: () => seriesRecordsHandler(args),
+    movie: () => movieRecordsHandler(args),
     fallback: () => Promise.reject('not supported type')
   };
 
   return cacheWrapStream(args.id, handlers[args.type] || handlers.fallback)
-      .then((streams) => ({
+      .then(records => filterRecordsBySeeders(records))
+      .then(records => sortRecordsByVideoQuality(records))
+      .then(records => records.map(record => toStreamInfo(record)))
+      .then(streams => ({
         streams: streams,
         cacheMaxAge: streams.length ? CACHE_MAX_AGE : CACHE_MAX_AGE_EMPTY,
         staleRevalidate: STALE_REVALIDATE_AGE,
         staleError: STALE_ERROR_AGE
       }))
-      .catch((error) => {
+      .catch(error => {
         console.log(`Failed request ${args.id}: ${error}`);
         throw error;
       });
 });
 
-async function seriesStreamHandler(args) {
-
+async function seriesRecordsHandler(args) {
+  if (args.id.match(/tt\d+/)) {
+    const parts = args.id.split(':');
+    const imdbId = parts[0];
+    const season = parseInt(parts[1], 10);
+    const episode = parseInt(parts[2], 10);
+    return repository.getImdbIdSeriesEntries(imdbId, season, episode);
+  } else if (args.id.match(/kitsu:\d+/i)) {
+    const parts = args.id.split(':');
+    const kitsuId = parts[1];
+    const episode = parseInt(parts[2], 10);
+    return repository.getKitsuIdSeriesEntries(kitsuId, episode);
+  }
+  return Promise.reject(`Unsupported id type: ${args.id}`);
 }
 
-async function movieStreamHandler(args) {
+async function movieRecordsHandler(args) {
+  if (args.id.match(/tt\d+/)) {
+    return repository.getImdbIdMovieEntries(args.id);
+  } else if (args.id.match(/kitsu:\d+/i)) {
+    return repository.getKitsuIdMovieEntries(args.id.replace('kitsu:', ''), episode);
+  }
+  return Promise.reject(`Unsupported id type: ${args.id}`);
+}
 
+const HEALTHY_SEEDERS = 5;
+const SEEDED_SEEDERS = 1;
+const MIN_HEALTHY_COUNT = 10;
+const MAX_UNHEALTHY_COUNT = 5;
+
+function filterRecordsBySeeders(records) {
+  const sortedRecords = records
+      .sort((a, b) => b.torrent.seeders - a.torrent.seeders || b.torrent.uploadDate - a.torrent.uploadDate);
+  const healthy = sortedRecords.filter(record => record.torrent.seeders >= HEALTHY_SEEDERS);
+  const seeded = sortedRecords.filter(record => record.torrent.seeders >= SEEDED_SEEDERS);
+
+  if (healthy.length >= MIN_HEALTHY_COUNT) {
+    return healthy;
+  } else if (seeded.length >= MAX_UNHEALTHY_COUNT) {
+    return seeded.slice(0, MIN_HEALTHY_COUNT);
+  }
+  return sortedRecords.slice(0, MAX_UNHEALTHY_COUNT);
+}
+
+function sortRecordsByVideoQuality(records) {
+  const qualityMap = records
+      .reduce((map, record) => {
+        const parsedFile = titleParser.parse(record.title);
+        const parsedTorrent = titleParser.parse(record.torrent.title);
+        const quality = parsedFile.resolution || parsedTorrent.resolution || parsedFile.source || parsedTorrent.source;
+        map[quality] = (map[quality] || []).concat(record);
+        return map;
+      }, {});
+  const sortedQualities = Object.keys(qualityMap)
+      .sort((a, b) => {
+        const aQuality = a === '4k' ? '2160p' : a === 'undefined' ? undefined : a;
+        const bQuality = b === '4k' ? '2160p' : b === 'undefined' ? undefined : b;
+        const aResolution = aQuality && aQuality.match(/\d+p/) && parseInt(aQuality, 10);
+        const bResolution = bQuality && bQuality.match(/\d+p/) && parseInt(bQuality, 10);
+        if (aResolution && bResolution) {
+          return bResolution - aResolution; // higher resolution first;
+        } else if (aResolution) {
+          return -1;
+        } else if (bResolution) {
+          return 1;
+        }
+        return a < b ? -1 : b < a ? 1 : 0;
+      });
+  return sortedQualities
+      .map(quality => qualityMap[quality])
+      .reduce((a, b) => a.concat(b), []);
 }
 
 module.exports = builder.getInterface();