add erai rss scraper

scraper/scrapers/erairaws/erairaws_rss_api.js

@@ -0,0 +1,50 @@
+const Parser = require('rss-parser');
+const decode = require("magnet-uri");
+
+const parser = new Parser({
+  customFields: {
+    item: [['erai:subtitles', 'subtitles']]
+  }
+});
+const baseUrl = 'https://www.erai-raws.info';
+const rssKey = process.env.ERAI_RSS_KEY;
+
+const Categories = {
+  ANIMES: 'anime',
+  EPISODES: 'episodes'
+};
+
+function browse() {
+  return parser.parseURL(`${baseUrl}/feed/?type=magnet&${rssKey}`)
+      .then(result => result.items
+          .map(item => {
+            const decodedMagnet = decode(item.link);
+            const languages = parseLanguages(item.subtitles);
+            return {
+              title: decodedMagnet.name,
+              infoHash: decodedMagnet.infoHash,
+              trackers: decodedMagnet.tr,
+              languages: languages
+            }
+          }));
+}
+
+const languageMapping = {
+  'us': 'English',
+  'br': 'Portuguese(Brazil)',
+  'mx': 'Spanish(Latin_America)',
+  'es': 'Spanish',
+  'sa': 'Arabic',
+  'fr': 'French',
+  'de': 'German',
+  'it': 'Italian',
+  'ru': 'Russian'
+}
+function parseLanguages(languages) {
+    return languages.split('][')
+        .map(lang => lang.replace(/[\[\]]/g, ''))
+        .map(lang => languageMapping[lang] || lang)
+        .join('/');
+}
+
+module.exports = { browse, Categories };

scraper/scrapers/erairaws/erairaws_scraper.js

@@ -1,6 +1,6 @@
 const moment = require('moment');
 const Bottleneck = require('bottleneck');
-const erairaws = require('./erairaws_api');
+const erairaws = require('./erairaws_rss_api');
 const { checkAndUpdateTorrent } = require('../../lib/torrentEntries');
 
 const NAME = 'EraiRaws';
@@ -41,7 +41,7 @@ function untilPage(category) {
   if (category === erairaws.Categories.ANIMES) {
     return 45;
   }
-  return 3;
+  return 1;
 }
 
 module.exports = { scrape, NAME };