Models moved into module, safe loading, v0.2.0
This commit is contained in:
Gregory Eremin
@@ -0,0 +1,26 @@
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module MusicBrainz
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@@last_query_time = 0
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def self.last_query_time
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@@last_query_time
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end
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def self.last_query_time= time
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@@last_query_time = time
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end
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def self.load url
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sleep 1.1 - (Time.now.to_f - self.last_query_time) if Time.now.to_f - self.last_query_time < 1.1
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response = nil
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5.times do
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begin
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response = open(url, "User-Agent" => "gem musicbrainz (https://github.com/magnolia-fan/musicbrainz) @ " + Socket.gethostname)
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rescue => e
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p "MusicBrainz: 503"
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end
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break unless response.nil?
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end
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self.last_query_time = Time.now.to_f
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response
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end
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end
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@@ -0,0 +1,31 @@
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module MusicBrainz
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class Artist
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attr_accessor :id, :type, :name, :country, :date_begin, :date_end
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@release_groups
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def release_groups
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if @release_groups.nil? and not self.id.nil?
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@release_groups = []
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Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/release-group/?artist=' + self.id)).css('release-group').each do |rg|
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@release_groups << MusicBrainz::ReleaseGroup.parse_xml(rg)
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end
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end
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@release_groups
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end
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def self.find mbid
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@artist = self.parse_xml(Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/artist/' + mbid)))
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end
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def self.parse_xml xml
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@artist = MusicBrainz::Artist.new
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@artist.id = xml.css('artist').attr('id').value
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@artist.type = xml.css('artist').attr('type').value
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@artist.name = xml.css('artist > name').text
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@artist.country = xml.css('artist > country').text || nil
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@artist.date_begin = xml.css('artist > life-span > begin').text || nil
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@artist.date_end = xml.css('artist > life-span > end').text || nil
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@artist
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end
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end
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end
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@@ -0,0 +1,40 @@
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module MusicBrainz
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class Release
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attr_accessor :id, :title, :status, :date, :country
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@tracks
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def tracks
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if @tracks.nil? and not self.id.nil?
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@tracks = []
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Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/release/' + self.id + '?inc=recordings')).css('medium-list > medium > track-list > track').each do |r|
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@tracks << MusicBrainz::Track.parse_xml(r)
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end
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end
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@tracks
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end
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def self.find mbid
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xml = Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/release/' + mbid)).css('release').first
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@release = MusicBrainz::Release.new
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@release.id = xml.attr('id')
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@release.title = xml.css('title').text
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@release.status = xml.css('status').text
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date = xml.css('date').text
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unless date.nil? or date.empty?
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if date.length == 4
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date += '-01-01'
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elsif date.length == 7
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date += '-01'
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end
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date = Time.parse(date)
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end
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@release.date = date
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@release.country = xml.css('country').text
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@release
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end
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end
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end
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@@ -0,0 +1,39 @@
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module MusicBrainz
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class ReleaseGroup
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attr_accessor :id, :type, :title, :first_release_date
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@releases
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def releases
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if @releases.nil? and not self.id.nil?
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@releases = []
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Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/release/?release-group=' + self.id)).css('release').each do |r|
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@releases << MusicBrainz::Release.parse_xml(r)
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end
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end
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@releases
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end
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def self.find mbid
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xml = Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/release-group/' + mbid)).css('release-group').first
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@release_group = MusicBrainz::ReleaseGroup.new
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@release_group.id = xml.attr('id')
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@release_group.type = xml.attr('type')
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@release_group.title = xml.css('title').text
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date = xml.css('first-release-date').text
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unless date.nil? or date.empty?
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if date.length == 4
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date += '-01-01'
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elsif date.length == 7
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date += '-01'
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end
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date = Time.parse(date)
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end
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@release_group.first_release_date = date
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@release_group
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end
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end
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end
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@@ -0,0 +1,19 @@
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module MusicBrainz
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class Track
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attr_accessor :position, :recording_id, :title, :length
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def self.find mbid
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xml = Nokogiri::XML(MusicBrainz.load('http://musicbrainz.org/ws/2/recording/' + mbid))
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@track = MusicBrainz::Track.new
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@track.position = xml.css('position').text.to_i || nil
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@track.recording_id = xml.css('recording').attr('id').value
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@track.title = xml.css('recording > title').text
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@track.length = xml.css('length').first.text.to_i || 0
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@track
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end
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end
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end
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@@ -1,30 +0,0 @@
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class MusicBrainzArtist
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attr_accessor :id, :type, :name, :country, :date_begin, :date_end
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@release_groups
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def release_groups
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if @release_groups.nil? and not self.id.nil?
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@release_groups = []
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Nokogiri::XML(open('http://musicbrainz.org/ws/2/release-group/?artist=' + self.id)).css('release-group').each do |rg|
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@release_groups << MusicBrainzReleaseGroup.parse_xml(rg)
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end
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end
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@release_groups
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end
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def self.find mbid
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@artist = self.parse_xml(Nokogiri::XML(open('http://musicbrainz.org/ws/2/artist/' + mbid)))
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end
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def self.parse_xml xml
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@artist = MusicBrainzArtist.new
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@artist.id = xml.css('artist').attr('id').value
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@artist.type = xml.css('artist').attr('type').value
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@artist.name = xml.css('artist > name').text
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@artist.country = xml.css('artist > country').text || nil
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@artist.date_begin = xml.css('artist > life-span > begin').text || nil
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@artist.date_end = xml.css('artist > life-span > end').text || nil
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@artist
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end
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end
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@@ -1,38 +0,0 @@
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class MusicBrainzRelease
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attr_accessor :id, :title, :status, :date, :country
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@tracks
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def tracks
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if @tracks.nil? and not self.id.nil?
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@tracks = []
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Nokogiri::XML(open('http://musicbrainz.org/ws/2/release/' + self.id + '?inc=recordings')).css('medium-list > medium > track-list > track').each do |r|
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@tracks << MusicBrainzTrack.parse_xml(r)
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end
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end
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@tracks
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end
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def self.find mbid
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xml = Nokogiri::XML(open('http://musicbrainz.org/ws/2/release/' + mbid)).css('release').first
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@release = MusicBrainzRelease.new
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@release.id = xml.attr('id')
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@release.title = xml.css('title').text
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@release.status = xml.css('status').text
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date = xml.css('date').text
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unless date.nil? or date.empty?
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if date.length == 4
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date += '-01-01'
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elsif date.length == 7
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date += '-01'
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end
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date = Time.parse(date)
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end
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@release.date = date
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@release.country = xml.css('country').text
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@release
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end
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end
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@@ -1,37 +0,0 @@
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class MusicBrainzReleaseGroup
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attr_accessor :id, :type, :title, :first_release_date
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@releases
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def releases
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if @releases.nil? and not self.id.nil?
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@releases = []
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Nokogiri::XML(open('http://musicbrainz.org/ws/2/release/?release-group=' + self.id)).css('release').each do |r|
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@releases << MusicBrainzRelease.parse_xml(r)
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end
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end
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@releases
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end
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def self.find mbid
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xml = Nokogiri::XML(open('http://musicbrainz.org/ws/2/release-group/' + mbid)).css('release-group').first
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@release_group = MusicBrainzReleaseGroup.new
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@release_group.id = xml.attr('id')
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@release_group.type = xml.attr('type')
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@release_group.title = xml.css('title').text
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date = xml.css('first-release-date').text
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unless date.nil? or date.empty?
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if date.length == 4
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date += '-01-01'
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elsif date.length == 7
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date += '-01'
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end
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date = Time.parse(date)
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end
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@release_group.first_release_date = date
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@release_group
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end
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end
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@@ -1,17 +0,0 @@
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class MusicBrainzTrack
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attr_accessor :position, :recording_id, :title, :length
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def self.find mbid
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xml = Nokogiri::XML(open('http://musicbrainz.org/ws/2/recording/' + mbid))
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self.parse_xml(xml) unless xml.nil?
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end
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def self.parse_xml xml
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@track = MusicBrainzTrack.new
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@track.position = xml.css('position').text.to_i || nil
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@track.recording_id = xml.css('recording').attr('id').value
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@track.title = xml.css('recording > title').text
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@track.length = xml.css('length').first.text.to_i || 0
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@track
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end
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end
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+6
-4
@@ -1,7 +1,9 @@
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require "open-uri"
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require "socket"
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require "nokogiri"
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require "models/music_brainz_artist"
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require "models/music_brainz_release_group"
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require "models/music_brainz_release"
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require "models/music_brainz_track"
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require "models/music_brainz"
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require "models/music_brainz/artist"
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require "models/music_brainz/release_group"
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require "models/music_brainz/release"
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require "models/music_brainz/track"
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