[scraper] checks for torrent contents when updating existing torrent

scraper/lib/promises.js

@@ -33,4 +33,11 @@ async function delay(duration) {
   return new Promise((resolve) => setTimeout(resolve, duration));
 }
 
-module.exports = { sequence, first, delay };
+/**
+ * Return most common value from given array.
+ */
+function mostCommonValue(array) {
+  return array.sort((a, b) => array.filter(v => v === a).length - array.filter(v => v === b).length).pop();
+}
+
+module.exports = { sequence, first, delay, mostCommonValue };

scraper/lib/repository.js

@@ -198,6 +198,17 @@ function getUpdateSeedersTorrents() {
   });
 }
 
+function getNoContentsTorrents() {
+  return Torrent.findAll({
+    where: { opened: false },
+    limit: 500,
+    order: [
+      ['seeders', 'DESC'],
+      ['uploadDate', 'DESC']
+    ]
+  });
+}
+
 function createTorrent(torrent) {
   return Torrent.upsert(torrent)
       .then(() => createContents(torrent.infoHash, torrent.contents))
@@ -213,7 +224,8 @@ function setTorrentSeeders(infoHash, seeders) {
 
 function createFile(file) {
   if (file.id) {
-    return File.upsert(file).then(() => upsertSubtitles(file.id, file.subtitles));
+    return (file.dataValues ? file.save() : File.upsert(file))
+        .then(() => upsertSubtitles(file, file.subtitles));
   }
   if (file.subtitles && file.subtitles.length) {
     file.subtitles = file.subtitles.map(subtitle => ({ infoHash: file.infoHash, title: subtitle.path, ...subtitle }));
@@ -249,7 +261,7 @@ function upsertSubtitles(file, subtitles) {
           subtitle.title = subtitle.title || subtitle.path;
           return subtitle;
         })
-        .map(subtitle => () => subtitle.dataValues ? subtitle.save() : Subtitle.upsert(subtitle)));
+        .map(subtitle => () => subtitle.dataValues ? subtitle.save() : Subtitle.create(subtitle)));
   }
   return Promise.resolve();
 }
@@ -296,6 +308,7 @@ module.exports = {
   getTorrent,
   getTorrentsBasedOnTitle,
   getUpdateSeedersTorrents,
+  getNoContentsTorrents,
   createFile,
   getFiles,
   getFilesBasedOnTitle,

scraper/lib/torrentEntries.js

@@ -92,6 +92,63 @@ async function getStoredTorrentEntry(torrent) {
       .catch(() => undefined);
 }
 
+async function checkAndUpdateTorrent(torrent) {
+  const storedTorrent = torrent.dataValues
+      ? torrent
+      : await repository.getTorrent(torrent).catch(() => undefined);
+  if (!storedTorrent) {
+    return false;
+  }
+  return createTorrentContents(storedTorrent)
+      .then(() => updateTorrentSeeders(torrent));
+}
+
+async function createTorrentContents(torrent) {
+  if (torrent.opened) {
+    return;
+  }
+  const storedVideos = await repository.getFiles(torrent).catch(() => []);
+  if (!storedVideos || !storedVideos.length) {
+    return;
+  }
+  const notOpenedVideo = storedVideos.length === 1 && !Number.isInteger(storedVideos[0].fileIndex);
+  const imdbId = Promises.mostCommonValue(storedVideos.map(stored => stored.imdbId));
+
+  const { contents, videos, subtitles } = await parseTorrentFiles({ ...torrent.get(), imdbId })
+      .then(torrentContents => notOpenedVideo ? torrentContents : { ...torrentContents, videos: storedVideos })
+      .then(torrentContents => assignSubtitles(torrentContents))
+      .catch(error => {
+        console.log(`Failed getting contents for [${torrent.infoHash}] ${torrent.title}`, error.message);
+        return {};
+      });
+
+  if (!contents || !contents.length) {
+    return;
+  }
+  if (notOpenedVideo && videos.length === 1) {
+    // if both have a single video and stored one was not opened, update stored one to true metadata and use that
+    storedVideos[0].fileIndex = videos[0].fileIndex;
+    storedVideos[0].title = videos[0].title;
+    storedVideos[0].size = videos[0].size;
+    storedVideos[0].subtitles = videos[0].subtitles;
+    videos[0] = storedVideos[0];
+  }
+  // no videos available or more than one new videos were in the torrent
+  const shouldDeleteOld = notOpenedVideo && videos.every(video => !video.id);
+
+  return repository.createTorrent({ ...torrent.get(), contents, subtitles })
+      .then(() => {
+        if (shouldDeleteOld) {
+          console.error(`Deleting old video for [${torrent.infoHash}] ${torrent.title}`)
+          return storedVideos[0].destroy();
+        }
+        return Promise.resolve();
+      })
+      .then(() => Promises.sequence(videos.map(video => () => repository.createFile(video))))
+      .then(() => console.log(`Created contents for ${torrent.provider} [${torrent.infoHash}] ${torrent.title}`))
+      .catch(error => console.error(`Failed saving contents for [${torrent.infoHash}] ${torrent.title}`, error));
+}
+
 async function updateTorrentSeeders(torrent) {
   if (!torrent.infoHash || !Number.isInteger(torrent.seeders)) {
     return;
@@ -104,4 +161,11 @@ async function updateTorrentSeeders(torrent) {
       });
 }
 
-module.exports = { createTorrentEntry, createSkipTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders };
+module.exports = {
+  createTorrentEntry,
+  createTorrentContents,
+  createSkipTorrentEntry,
+  getStoredTorrentEntry,
+  updateTorrentSeeders,
+  checkAndUpdateTorrent
+};

scraper/manual/manual.js

@@ -1,8 +1,10 @@
 const Bottleneck = require('bottleneck');
 const { parse } = require('parse-torrent-title');
+const Promises = require('../lib/promises');
 const repository = require('../lib/repository');
 const { getImdbId } = require('../lib/metadata');
 const { parseTorrentFiles } = require('../lib/torrentFiles');
+const { createTorrentContents } = require('../lib/torrentEntries');
 const { assignSubtitles } = require('../lib/torrentSubtitles');
 const { Type } = require('../lib/types');
 
@@ -110,6 +112,14 @@ async function assignSubs() {
   }));
 }
 
+async function openTorrentContents() {
+  const limiter = new Bottleneck({ maxConcurrent: 5 });
+  const unopenedTorrents = await repository.getNoContentsTorrents();
+
+  return Promise.all(unopenedTorrents.map(torrent => limiter.schedule(() => createTorrentContents(torrent))))
+      .then(() => unopenedTorrents.length === 500 ? openTorrentContents() : Promise.resolve)
+}
+
 async function findAllFiles() {
   /* Test cases */
   /* Anime Season and absolute episodes */
@@ -185,8 +195,9 @@ async function findAllFiles() {
 
 //findAllFiles().then(() => console.log('Finished'));
 //updateMovieCollections().then(() => console.log('Finished'));
-reapplyEpisodeDecomposing('0b6c0f0692bdb151efb87e3de90e46e3b177444e', false).then(() => console.log('Finished'));
+// reapplyEpisodeDecomposing('0b6c0f0692bdb151efb87e3de90e46e3b177444e', false).then(() => console.log('Finished'));
 //reapplySeriesSeasonsSavedAsMovies().then(() => console.log('Finished'));
 //reapplyDecomposingToTorrentsOnRegex('.*Boku no Hero Academia.*').then(() => console.log('Finished'));
 //reapplyManualHashes().then(() => console.log('Finished'));
 // assignSubs().then(() => console.log('Finished'));
+openTorrentContents().then(() => console.log('Finished'));

scraper/scrapers/1337x/1337x_scraper.js

@@ -4,7 +4,7 @@ const leetx = require('./1337x_api');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
 const Promises = require('../../lib/promises');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = '1337x';
 const UNTIL_PAGE = 10;
@@ -65,8 +65,8 @@ async function processTorrentRecord(record) {
     console.warn(`Incorrect upload date for [${torrentFound.infoHash}] ${torrentFound.name}`);
     return;
   }
-  if (await getStoredTorrentEntry(torrentFound)) {
+  if (await checkAndUpdateTorrent(torrentFound)) {
-    return updateTorrentSeeders(torrentFound);
+    return torrentFound;
   }
 
   const torrent = {

scraper/scrapers/eztv/eztv_scraper.js

@@ -3,7 +3,7 @@ const Bottleneck = require('bottleneck');
 const eztv = require('./eztv_api');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'EZTV';
 const UNTIL_PAGE = 10;
@@ -50,8 +50,8 @@ async function scrapeLatestTorrentsForCategory(page = 1) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   if (!record || !record.size) {

scraper/scrapers/horriblesubs/horriblesubs_scraper.js

@@ -6,7 +6,7 @@ const horriblesubs = require('./horriblesubs_api.js');
 const repository = require('../../lib/repository');
 const { Type } = require('../../lib/types');
 const { updateCurrentSeeders, updateTorrentSize } = require('../../lib/torrent');
-const { createTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 const { getMetadata, getKitsuId } = require('../../lib/metadata');
 const showMappings = require('./horriblesubs_mapping.json');
 
@@ -172,7 +172,7 @@ async function processTorrentRecord(torrent, updateSeeders = true) {
 
   if (existingTorrent && existingTorrent.provider === NAME) {
     if (updateSeeders) {
-      return updateCurrentSeeders(torrent).then(updatedSeeders => updateTorrentSeeders(updatedSeeders))
+      return updateCurrentSeeders(torrent).then(updatedSeeders => checkAndUpdateTorrent(updatedSeeders))
     }
     return Promise.resolve(torrent)
   }

scraper/scrapers/kickass/kickass_scraper.js

@@ -4,7 +4,7 @@ const kickass = require('./kickass_api');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
 const Promises = require('../../lib/promises');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'KickassTorrents';
 const UNTIL_PAGE = 10;
@@ -54,8 +54,8 @@ async function scrapeLatestTorrentsForCategory(category, page = 1) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   const torrentFound = await kickass.torrent(record.torrentId).catch(() => undefined);

scraper/scrapers/rarbg/rarbg_dump_scraper.js

@@ -3,12 +3,7 @@ const Bottleneck = require('bottleneck');
 const rarbg = require('rarbg-api');
 const decode = require('magnet-uri');
 const { Type } = require('../../lib/types');
-const {
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
-  createTorrentEntry,
-  getStoredTorrentEntry,
-  updateTorrentSeeders
-} = require('../../lib/torrentEntries');
-
 const NAME = 'RARBG';
 
 const limiter = new Bottleneck({ maxConcurrent: 1, minTime: 2500 });
@@ -54,8 +49,8 @@ async function getTorrentsForImdbId(imdbId, retries = 5) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   const torrent = {

scraper/scrapers/rarbg/rarbg_scraper.js

@@ -5,7 +5,7 @@ const decode = require('magnet-uri');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
 const Promises = require('../../lib/promises');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'RARBG';
 const SEARCH_OPTIONS = { limit: 100, sort: 'seeders', format: 'json_extended', ranked: 0 };
@@ -70,8 +70,8 @@ async function scrapeLatestTorrentsForCategory(category, retries = 5) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   const torrent = {

scraper/scrapers/thepiratebay/thepiratebay_scraper.js

@@ -4,7 +4,7 @@ const thepiratebay = require('./thepiratebay_api.js');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
 const Promises = require('../../lib/promises');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'ThePirateBay';
 const UNTIL_PAGE = 5;
@@ -60,8 +60,8 @@ async function scrapeLatestTorrentsForCategory(category, page = 1) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   const torrentFound = await thepiratebay.torrent(record.torrentId).catch(() => undefined);

scraper/scrapers/yts/yts_scraper.js

@@ -3,12 +3,12 @@ const Bottleneck = require('bottleneck');
 const yts = require('./yts_api');
 const { Type } = require('../../lib/types');
 const repository = require('../../lib/repository');
-const { createTorrentEntry, getStoredTorrentEntry, updateTorrentSeeders } = require('../../lib/torrentEntries');
+const { createTorrentEntry, checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'YTS';
 const UNTIL_PAGE = 2;
 
-const limiter = new Bottleneck({ maxConcurrent: 20 });
+const limiter = new Bottleneck({ maxConcurrent: 10 });
 
 async function scrape() {
   const scrapeStart = moment();
@@ -45,8 +45,8 @@ async function scrapeLatestTorrentsForCategory(page = 1) {
 }
 
 async function processTorrentRecord(record) {
-  if (await getStoredTorrentEntry(record)) {
+  if (await checkAndUpdateTorrent(record)) {
-    return updateTorrentSeeders(record);
+    return record;
   }
 
   if (!record || !record.size) {