Files
torrentio/scraper/scrapers/ondebaixa/ondebaixa_scraper.js
2024-01-17 16:43:58 -05:00

114 lines
3.7 KiB
JavaScript

const moment = require("moment");
const Bottleneck = require("bottleneck");
const ondebaixa = require("./ondebaixa_api");
const { Type } = require("../../lib/types");
const repository = require("../../lib/repository");
const Promises = require("../../lib/promises");
const { createTorrentEntry, checkAndUpdateTorrent } = require("../../lib/torrentEntries");
const { updateCurrentSeeders, updateTorrentSize } = require("../../lib/torrent");
const { getImdbId } = require("../../lib/metadata");
const NAME = "OndeBaixa";
const UNTIL_PAGE = 5;
const TYPE_MAPPING = typeMapping();
const limiter = new Bottleneck({ maxConcurrent: 5 });
async function scrape() {
const scrapeStart = moment();
const lastScrape = await repository.getProvider({ name: NAME });
console.log(`[${scrapeStart}] starting ${NAME} scrape...`);
return scrapeLatestTorrents()
.then(() => {
lastScrape.lastScraped = scrapeStart;
return lastScrape.save();
})
.then(() => console.log(`[${moment()}] finished ${NAME} scrape`));
}
async function updateSeeders(torrent) {
return limiter.schedule(() => ondebaixa.torrent(torrent.torrentId));
}
async function scrapeLatestTorrents() {
const allowedCategories = [
ondebaixa.Categories.MOVIE,
ondebaixa.Categories.TV,
ondebaixa.Categories.DESENHOS
];
return Promises.sequence(
allowedCategories.map(
(category) => () => scrapeLatestTorrentsForCategory(category)
)
).then((entries) => entries.reduce((a, b) => a.concat(b), []));
}
async function scrapeLatestTorrentsForCategory(category, page = 1) {
console.log(`Scrapping ${NAME} ${category} category page ${page}`);
return ondebaixa
.browse({ category, page })
.catch((error) => {
console.warn(`Failed ${NAME} scrapping for [${page}] ${category} due: `, error);
return Promise.resolve([]);
})
.then((torrents) => Promise.all(torrents.map((torrent) => limiter.schedule(() => processEntry(torrent)))))
.then((resolved) => resolved.length > 0 && page < untilPage(category)
? scrapeLatestTorrentsForCategory(category, page + 1)
: Promise.resolve());
}
async function processEntry(entry) {
return ondebaixa.torrent(entry.torrentId)
.then(records => Promises.sequence(records.map(record => () => processTorrentRecord(record))))
.catch(() => undefined);
}
async function processTorrentRecord(foundTorrent) {
if (await checkAndUpdateTorrent({ provider: NAME, ...foundTorrent })) {
return foundTorrent;
}
if (!foundTorrent.size) {
await updateTorrentSize(foundTorrent);
}
if (!Number.isInteger(foundTorrent.seeders)) {
await updateCurrentSeeders(foundTorrent);
}
if (!foundTorrent.imdbId && TYPE_MAPPING[foundTorrent.category] !== Type.ANIME) {
const info = { title: foundTorrent.originalName, year: foundTorrent.year };
foundTorrent.imdbId = await getImdbId(info, TYPE_MAPPING[foundTorrent.category]).catch(() => undefined);
}
const torrent = {
infoHash: foundTorrent.infoHash,
provider: NAME,
torrentId: foundTorrent.torrentId,
title: foundTorrent.title,
type: TYPE_MAPPING[foundTorrent.category],
imdbId: foundTorrent.imdbId,
uploadDate: foundTorrent.uploadDate,
seeders: foundTorrent.seeders,
size: foundTorrent.size,
files: foundTorrent.files,
languages: foundTorrent.languages
};
return createTorrentEntry(torrent);
}
function typeMapping() {
const mapping = {};
mapping[ondebaixa.Categories.MOVIE] = Type.MOVIE;
mapping[ondebaixa.Categories.TV] = Type.SERIES;
mapping[ondebaixa.Categories.DESENHOS] = Type.SERIES;
mapping[ondebaixa.Categories.ANIME] = Type.ANIME;
return mapping;
}
function untilPage(category) {
return UNTIL_PAGE;
}
module.exports = { scrape, updateSeeders, NAME };