Class: MusicMetadataEnrichment::Group

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/music_metadata_enrichment/group.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#artist_connections_text ⇒ Object

Returns the value of attribute artist_connections_text.



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# File 'app/models/music_metadata_enrichment/group.rb', line 19

def artist_connections_text
  @artist_connections_text
end

#user_id ⇒ Object

Returns the value of attribute user_id.



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# File 'app/models/music_metadata_enrichment/group.rb', line 19

def user_id
  @user_id
end

Instance Method Details

#import_artist_connections ⇒ Object 



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# File 'app/models/music_metadata_enrichment/group.rb', line 23

def import_artist_connections
  artist_names_without_mbid = []
  artist_names = artist_connections_text.split("\n").map(&:strip)
  
  artist_names.each do |artist_name|
    lastfm = Lastfm.new(LastfmApiKey, LastfmApiSecret)
    lastfm_artist = lastfm.artist.get_info(artist: artist_name)
    
    if lastfm_artist['mbid'].blank?
      artist_names_without_mbid << lastfm_artist['name']
      
      next
    end
    
    artist = MusicArtist.where(mbid: lastfm_artist['mbid']).first
    
    unless artist
      musicbrainz_artist = MusicBrainz::Artist.find(lastfm_artist['mbid'])
      
      if musicbrainz_artist
        artist = MusicArtist.where(mbid: musicbrainz_artist.id).first
        artist = MusicArtist.create(name: lastfm_artist['name'], mbid: musicbrainz_artist.id) unless artist
      end
    end
    
    next unless artist
    
    if artist_connections.where(artist_id: artist.id).none?
      MusicMetadataEnrichment::GroupArtistConnection.create(group_id: id, artist_id: artist.id)
    end
  end
  
  artist_names_without_mbid
end

#import_artists_of_group_members(options = {}) ⇒ Object 



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# File 'app/models/music_metadata_enrichment/group.rb', line 58

def import_artists_of_group_members(options = {})
  last_page = options[:last_page]
  last_user_name_from_last_run = options[:last_user_name_from_last_run]
  library_start_page = options[:library_start_page]
  
  user_names, page, last_user_name, last_user_name_from_last_run_reached, i = [], nil, nil, false, 1
  
  lastfm = Lastfm.new(LastfmApiKey, LastfmApiSecret)
  
  1000.times do |page|
    page +=1
    
    if last_page.present? && page == last_page
      i = (page * 50) + 1
    elsif last_page.present? && page < last_page
      next
    end
  
    puts "GROUP MEMBERS PAGE: #{page}"
    
    lastfm_users = MusicArtist.lastfm_request_class_method(lastfm, :group, :get_members, nil, group: 'Dark Electro', page: page)
    sleep 3
    
    if lastfm_users.select{|u| !user_names.include?(u['name'])}.none?
      # over last page
      break
    end
  
    lastfm_users.each do |lastfm_user|
      if user_names.include?(lastfm_user['name'])
        next
      else
        user_names << lastfm_user['name']
      end
  
      if lastfm_user['name'] == last_user_name_from_last_run
        last_user_name_from_last_run_reached = true
      elsif last_user_name_from_last_run.present? && !last_user_name_from_last_run_reached
        i += 1
        next
      end
      
      last_user_name = lastfm_user['name']
      puts "USER #{i}: #{last_user_name} (GROUP MEMBERS PAGE: #{page})"
      user = User.new
      user.group_page = page
      user.lastfm_user_name = lastfm_user['name']
  
      if lastfm_user['name'] == last_user_name_from_last_run && !library_start_page.nil?
        user.import_music_artists(lastfm, library_start_page)
      else
        user.import_music_artists(lastfm)
      end
      
      i += 1
    end
    
    [page, last_user_name]
  end
end