80 lines
2.7 KiB
Ruby
80 lines
2.7 KiB
Ruby
class Discogs
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def self.artists
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self.get_nodes('tmp/data/discogs_artists.xml', 'artist') do |node|
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artist = Artist.new(
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:name => (node.css('name').first.text),
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:pic_url => (node.css('images > image[type="primary"]').first.attr('uri') unless node.css('images > image[type="primary"]').empty?),
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:status => 1
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)
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artist.save
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node.css('namevariations > name, aliases > name').each do |v|
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ArtistAlias.new(
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:artist_id => artist.id,
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:name => v.text
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).save
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end
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end
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end
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def self.releases
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self.get_nodes('tmp/data/discogs_releases_test.xml', 'release') do |node|
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release = {
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:pic => (node.css('images > image[type="primary"]').first.attr('uri') unless node.css('images > image[type="primary"]').empty?),
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:main_artist => (node.css('artists > artist > name').first.text unless node.css('artists > artist > name').empty?),
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:master => (not node.css('master_id').empty?),
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:name => (node.css('title').first.text unless node.css('title').empty?),
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:country => (node.css('country').first.text unless node.css('country').empty?),
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:year => (node.css('released').first.text.split('-').first.to_i unless node.css('released').empty?),
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:genres => [],
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:styles => [],
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:tracks => [],
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}
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unless node.css('genres > genre').empty?
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node.css('genres > genre').each do |genre|
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release[:genres] << Genre.find_or_create_by_name(genre.text)
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end
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end
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unless node.css('styles > style').empty?
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node.css('styles > style').each do |style|
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release[:styles] << Style.find_or_create_by_name(style.text)
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end
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end
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unless node.css('tracklist > track').empty?
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node.css('tracklist > track').each do |track|
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release[:tracks] << Track.new(
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:name => (track.css('title').first.text unless track.css('title').empty?),
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:position => (track.css('position').first.text.to_i(36) unless track.css('position').empty?),
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:length => (self.duration_to_length(track.css('duration').first.text) unless track.css('duration').empty?)
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)
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end
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end
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ap release
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end
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end
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private
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def self.get_nodes filename, nodename, &block
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File.open(filename) do |file|
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Nokogiri::XML::Reader.from_io(file).each do |node|
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if node.name == nodename and node.node_type == Nokogiri::XML::Reader::TYPE_ELEMENT
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yield(Nokogiri::XML(node.outer_xml).root)
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end
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end
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end
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end
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def self.duration_to_length duration
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duration = duration.split(':')
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duration[0].to_i * 60 + duration[1].to_i
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end
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end |