Class: ISRC::PPLUK

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

Instance Method Summary collapse

Instance Method Details

#match(opts = {}) ⇒ Object 



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# File 'lib/isrc.rb', line 64

def match(opts = {})
  return {
    :isrc => 'No Match',
    :delta => -1
  } if @matches.count == 0

  return {
    :artist => @matches.first[0],
    :title => @matches.first[1],
    :isrc => @matches.first[2],
    :delta => 0
  } if @matches.count == 1

  seconds = opts[:time]

  if seconds
    # if string, convert to integer. Format '5:08'
    seconds = timestring_to_integer(seconds) if seconds.class == String
    match_quality = []

    @matches.each do |song_match|
      song_seconds = timestring_to_integer(song_match[5].match(/([0-9]:[0-9]{2})/)[1])
      match_quality << { :delta => (song_seconds - seconds).abs, :match => song_match }
    end

    best_match = match_quality.min_by { |m| m[:delta] }

    return {
      :artist => best_match[:match][0],
      :title => best_match[:match][1],
      :isrc => best_match[:match][2],
      :delta => best_match[:delta]
    }
  end

  nil
end

#retrieve(opts) ⇒ Object 



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# File 'lib/isrc.rb', line 17

def retrieve(opts)
  # NOTE the online search is a bit funky: adding more to the search make the results worse
  # trying out a three word limit

  pieces = self.extract_song_peices(opts[:title])

  # try the first two pieces at first

  # if the song is only one word, submit request with on processing
  if pieces[:all].size == 1
    @matches = self.request(opts)
  elsif pieces[:all].size > 1
    # let's try increasing the number of pieces, starting from 2
    pieces_count = 1

    begin
      pieces_count += 1

      shortened_title = pieces[:all].slice(0, pieces_count).join(' ')

      @matches = self.request({
        title: shortened_title,
        artist: opts[:artist]
      })
    end while @matches.empty? && pieces[:all].size > pieces_count + 1

    # given 'Surrender [Original Mix]' the above algorithm will submit the entire title
    # if that didn't work, strip out all meta elements and try greatest to least number of song pieces

    # TODO we shouldn't allow one letter or two letter title requests

    pieces_count = pieces[:title].size

    while @matches.empty? && pieces_count > 0
      shortened_title = pieces[:title].slice(0, pieces_count).join(' ')

      @matches = self.request({
        title: shortened_title,
        artist: opts[:artist]
      })

      pieces_count -= 1
    end

  end
end