feat: add preference to customize global trackers (#1836)

* Add preference to customize global trackers. Requires restart to apply

* Use IPC to pass global trackers list, torrent pause and resume will now update trackers

* Make the default tracker list an array from array of arrays

* Use globalThis instead of just global

Co-authored-by: Diego Rodríguez Baquero <github@diegorbaquero.com>

src/renderer/lib/state.js

@@ -3,6 +3,7 @@ const path = require('path')
 const { EventEmitter } = require('events')
 
 const config = require('../../config')
+const defaultAnnounceList = require('create-torrent').announceList.map((arr) => arr[0])
 
 const SAVE_DEBOUNCE_INTERVAL = 1000
 
@@ -79,6 +80,7 @@ function getDefaultState () {
     getPlayingTorrentSummary,
     getPlayingFileSummary,
     getExternalPlayerName,
+    getGlobalTrackers,
     shouldHidePlayerControls
   }
 }
@@ -129,7 +131,8 @@ function setupStateSaved () {
       soundNotifications: true,
       autoAddTorrents: false,
       torrentsFolderPath: '',
-      highestPlaybackPriority: true
+      highestPlaybackPriority: true,
+      globalTrackers: defaultAnnounceList
     },
     torrents: config.DEFAULT_TORRENTS.map(createTorrentObject),
     torrentsToResume: [],
@@ -201,6 +204,14 @@ function shouldHidePlayerControls () {
     this.playing.location === 'local'
 }
 
+function getGlobalTrackers () {
+  const trackers = this.saved.prefs.globalTrackers
+  if (!trackers) {
+    return defaultAnnounceList
+  }
+  return trackers
+}
+
 async function load (cb) {
   let saved = await appConfig.read()