Module: VkMusic::Utility::PlaylistUrlParser

Defined in:
lib/vk_music/utility/playlist_url_parser.rb

Overview

Read inner of text-childrens of Nokogiri::XML::Node node

Constant Summary collapse

VK_PLAYLIST_URL_POSTFIX =

Regular expression to parse playlist link. Oh my, it is so big

%r{
  .*                                                              # Garbage
  (?:audio_playlist|album/|playlist/)                             # Start of ids
  (-?\d+)_(\d+)                                                   # Ids themself
  (?:(?:(?:.*(?=&access_hash=)&access_hash=)|/|%2F|_)([\da-z]+))? # Access hash
}x.freeze

Class Method Summary collapse

Class Method Details

.call(url) ⇒ Array(Integer?, Integer?, String?)

Returns playlist data array: [owner_id, playlist_id, access_hash].

Parameters:

  • url (String)

Returns:

  • (Array(Integer?, Integer?, String?)) —

    playlist data array: [owner_id, playlist_id, access_hash]



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# File 'lib/vk_music/utility/playlist_url_parser.rb', line 19

def self.call(url)
  owner_id, playlist_id, access_hash = url.match(VK_PLAYLIST_URL_POSTFIX).captures

  owner_id = Integer(owner_id, 10)
  playlist_id = Integer(playlist_id, 10)
  access_hash = nil if access_hash&.empty?

  [owner_id, playlist_id, access_hash]
rescue StandardError
  [nil, nil, nil]
end