From 3e2bd0c36bce5b2389ec4d75d1b5c1bbafd1c7a4 Mon Sep 17 00:00:00 2001
From: Aleksandr Statciuk <free.arhey@gmail.com>
Date: Sun, 1 Aug 2021 07:55:18 +0300
Subject: [PATCH] Update filter.js

---
 scripts/filter.js | 59 +++++++++++++----------------------------------
 1 file changed, 16 insertions(+), 43 deletions(-)

diff --git a/scripts/filter.js b/scripts/filter.js
index ec90cab56b..35017c4f76 100644
--- a/scripts/filter.js
+++ b/scripts/filter.js
@@ -1,32 +1,23 @@
+const blacklist = require('./blacklist.json')
 const parser = require('./parser')
 const utils = require('./utils')
-const blacklist = require('./blacklist.json')
+const log = require('./log')
 
 async function main() {
-  const playlists = parseIndex()
+  log.start()
+
+  log.print(`Parsing 'index.m3u'...`)
+  const playlists = parser.parseIndex()
   for (const playlist of playlists) {
-    await loadPlaylist(playlist.url).then(removeBlacklisted).then(savePlaylist).then(done)
+    log.print(`\nProcessing '${playlist.url}'...`)
+    await parser.parsePlaylist(playlist.url).then(removeBlacklisted).then(utils.savePlaylist)
   }
 
-  finish()
-}
-
-function parseIndex() {
-  console.info(`Parsing 'index.m3u'...`)
-  let playlists = parser.parseIndex()
-  console.info(`Found ${playlists.length} playlist(s)\n`)
-
-  return playlists
-}
-
-async function loadPlaylist(url) {
-  console.info(`Processing '${url}'...`)
-  return parser.parsePlaylist(url)
+  log.finish()
 }
 
 async function removeBlacklisted(playlist) {
-  console.info(`  Looking for blacklisted channels...`)
-  playlist.channels = playlist.channels.filter(channel => {
+  const channels = playlist.channels.filter(channel => {
     return !blacklist.find(i => {
       const channelName = channel.name.toLowerCase()
       return (
@@ -37,31 +28,13 @@ async function removeBlacklisted(playlist) {
     })
   })
 
+  if (playlist.channels.length !== channels.length) {
+    log.print(`updated`)
+  }
+
+  playlist.channels = channels
+
   return playlist
 }
 
-async function savePlaylist(playlist) {
-  console.info(`  Saving playlist...`)
-  const original = utils.readFile(playlist.url)
-  const output = playlist.toString({ raw: true })
-
-  if (original === output) {
-    console.info(`No changes have been made.`)
-    return false
-  } else {
-    utils.createFile(playlist.url, output)
-    console.info(`Playlist has been updated.`)
-  }
-
-  return true
-}
-
-async function done() {
-  console.info(` `)
-}
-
-function finish() {
-  console.info('Done.')
-}
-
 main()