Class: VkMusic::Audio

Inherits:
Object
  • Object
show all
Defined in:
lib/vk_music/audio.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Audio

Returns a new instance of Audio.

Raises:

  • (ArgumentError) 


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# File 'lib/vk_music/audio.rb', line 13

def initialize(options)
  # Arguments check
  raise ArgumentError, "options hash must be provided", caller unless options.class == Hash
  raise ArgumentError, "artist is not provided", caller unless options.has_key?(:artist)
  raise ArgumentError, "title is not provided", caller unless options.has_key?(:title)
  raise ArgumentError, "duration is not provided", caller unless options.has_key?(:duration)
  
  # Setting up attributes
  @id          = options[:id].to_s
  @owner_id    = options[:owner_id].to_s
  @artist      = options[:artist].to_s
  @title       = options[:title].to_s
  @duration    = options[:duration].to_i
  @url_encoded = options[:url_encoded].to_s
  @url         = options[:url].to_s
end

Instance Attribute Details

#artist ⇒ Object (readonly)

Returns the value of attribute artist.



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# File 'lib/vk_music/audio.rb', line 7

def artist
  @artist
end

#duration ⇒ Object (readonly)

Returns the value of attribute duration.



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# File 'lib/vk_music/audio.rb', line 7

def duration
  @duration
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/vk_music/audio.rb', line 7

def id
  @id
end

#owner_id ⇒ Object (readonly)

Returns the value of attribute owner_id.



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# File 'lib/vk_music/audio.rb', line 7

def owner_id
  @owner_id
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/vk_music/audio.rb', line 7

def title
  @title
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/vk_music/audio.rb', line 7

def url
  @url
end

#url_encoded ⇒ Object (readonly)

Returns the value of attribute url_encoded.



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# File 'lib/vk_music/audio.rb', line 7

def url_encoded
  @url_encoded
end

Class Method Details

.from_data_array(data, client_id) ⇒ Object 



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# File 'lib/vk_music/audio.rb', line 46

def self.from_data_array(data, client_id)
  url_encoded = data[2]
  url_encoded = nil if url_encoded == ""
  
  new({
    :id => data[0],
    :owner_id => data[1],
    :artist => CGI.unescapeHTML(data[4]),
    :title => CGI.unescapeHTML(data[3]),
    :duration => data[5],
    :url_encoded => url_encoded,
    :url => url_encoded ? VkMusic.unmask_link(url_encoded, client_id) : nil,
  })
end

.from_node(node, client_id) ⇒ Object 



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# File 'lib/vk_music/audio.rb', line 30

def self.from_node(node, client_id)
  url_encoded = node.at_css("input").attribute("value").to_s
  url_encoded = nil if url_encoded == "https://m.vk.com/mp3/audio_api_unavailable.mp3"
  id_array = node.attribute("data-id").to_s.split("_")
  
  new({
    :id => id_array[1],
    :owner_id => id_array[0],
    :artist => node.at_css(".ai_artist").text.strip,
    :title => node.at_css(".ai_title").text.strip,
    :duration => node.at_css(".ai_dur").attribute("data-dur").to_s.to_i,
    :url_encoded => url_encoded,
    :url => url_encoded ? VkMusic.unmask_link(url_encoded, client_id) : nil,
  })
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/vk_music/audio.rb', line 9

def to_s
  "#{@artist} - #{@title} [#{Utility.format_seconds(@duration)}]"
end