Class: YearInReviewMusic

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
LastfmRequest
Defined in:
app/models/year_in_review_music.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LastfmRequest

included, #lastfm_request

Class Method Details

.get_lastfm_album(lastfm, artist_name, name, lastfm_albums) ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 287

def self.get_lastfm_album(lastfm, artist_name, name, lastfm_albums)
  lastfm_album_key = "#{artist_name} - #{MusicRelease.format_lastfm_name(name)}"
  
  if lastfm_albums[lastfm_album_key]
    lastfm_albums[lastfm_album_key]
  else
    lastfm_album_info = MusicArtist.lastfm_request_class_method(lastfm, :album, :get_info, nil, artist: artist_name, album: name)
        
    if lastfm_album_info['releasedate'].blank?
      lastfm_album_info = MusicArtist.lastfm_request_class_method(lastfm, :album, :get_info, nil, artist: artist_name, album: MusicRelease.format_lastfm_name(name))
    end
    
    lastfm_albums[lastfm_album_key] = lastfm_album_info
    lastfm_album_info
  end
end

.initialize_by_lastfm(user, year = nil) ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 36

def self.initialize_by_lastfm(user, year = nil)
  return if user.lastfm_user_name.blank?
  
  lastfm = Lastfm.new(LastfmApiKey, LastfmApiSecret)
  [
    initialize_top_releases_by_lastfm(lastfm, user, year), 
    initialize_top_tracks_by_lastfm(lastfm, user, year)
  ]
end

.initialize_top_releases_by_lastfm(lastfm, user, year = nil) ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 46

def self.initialize_top_releases_by_lastfm(lastfm, user, year = nil)
  lastfm_user_name, working_releases, missing_releases = user.lastfm_user_name, [], []
  year_in_reviews = {}
  
  1000.times do |page|
    page +=1
    period = year.present? && Time.local(year, 1, 1) > 15.months.ago ? '12month' : 'overall'
      
    lastfm_albums = nil
    
    begin
      puts "USER #{lastfm_user_name}: TOP ALBUMS PAGE ##{page}"
      lastfm_albums = MusicArtist.lastfm_request_class_method(
        lastfm, :user, :get_top_albums, nil, user: lastfm_user_name, period: period, page: page, raise_parse_exception: true
      )
    rescue REXML::ParseException
      lastfm_albums = []
      puts "USER #{lastfm_user_name}: TOP ALBUMS PAGE ##{page} COULD NOT BE PARSED"
    end
   
    if lastfm_albums.nil? || lastfm_albums.first.nil?
      #puts "USER #{lastfm_user_name}: TOP ALBUMS PAGE ##{page} IS EMPTY" 
      raise "USER #{lastfm_user_name}: TOP ALBUMS PAGE ##{page} IS EMPTY" 
      break
    end
    
    if lastfm_albums.select{|a| !working_releases.include?([a['artist']['name'].downcase, MusicRelease.format_lastfm_name(a['name']).downcase])}.none?
      # over last page
      break
    end
    
    break if lastfm_albums.select{|a| a['playcount'].to_i >= 20 }.none?
      
    lastfm_albums.each do |lastfm_album|
      next if lastfm_album['playcount'].to_i < 20
      
      album_name = MusicRelease.format_lastfm_name(lastfm_album['name'])
      working_release = [lastfm_album['artist']['name'].downcase, album_name.downcase]
      
      if working_releases.include?(working_release)
        next
      else
        working_releases << working_release
      end
      
      music_releases = MusicRelease.by_artist_and_name([[lastfm_album['artist']['name'], album_name]])
      music_releases_count = music_releases.count
      
      if music_releases_count == 0
        lastfm_album_info = nil
        
        lastfm_album_info = MusicArtist.lastfm_request_class_method(lastfm, :album, :get_info, nil, artist: lastfm_album['artist']['name'], album: album_name)
        
        if lastfm_album_info.nil?
          lastfm_album_info = MusicArtist.lastfm_request_class_method(lastfm, :album, :get_info, nil, artist: lastfm_album['artist']['name'], album: lastfm_album['name'])
        end
        
        if year.present?
          next unless (lastfm_album_info['releasedate'].blank? || Time.parse(lastfm_album_info['releasedate']).strftime('%Y').to_i == year)
        end
        
        missing_releases << { 
          rank: lastfm_album['rank'], artist_name: lastfm_album['artist']['name'], name: album_name,
          released_at: lastfm_album_info['releasedate'].blank? ? '' : Time.parse(lastfm_album_info['releasedate']).strftime('%d.%m.%Y')
        }
        
        next
      end
      
      if music_releases.select{|r| r.released_at.present? }.any?
        music_releases = music_releases.select{|r| r.released_at.present? }
      end
      
      music_releases.each do |release|
        if year.present? && release.released_at.present? && release.released_at.strftime('%Y').to_i != year
          next
        elsif release.released_at.blank?
          lastfm_album_info = MusicArtist.lastfm_request_class_method(lastfm, :album, :get_info, nil, artist: lastfm_album['artist']['name'], album: lastfm_album['name'])
          
          release.update_attribute(:released_at, Time.parse(lastfm_album_info['releasedate'])) if lastfm_album_info['releasedate'].present?
          
          if release.released_at.blank?
            missing_releases << { 
              rank: lastfm_album['rank'], artist_name: lastfm_album['artist']['name'], name: album_name, is_lp: release.is_lp
            }
            next  
          end
          
          next unless year.blank? || release.released_at.strftime('%Y').to_i == year
        end
        
        current_year = release.released_at.strftime('%Y').to_i
        
        next if Time.local(current_year, 1, 1) < 15.months.ago && lastfm_album['playcount'].to_i < 50
        
        MusicLibraryArtist.create(user_id: user.id, artist_id: release.artist_id)
        
        unless year_in_reviews[current_year]
          year_in_review = user.years_in_review_music.where(year: current_year).first
          
          year_in_review.releases.delete_all if year_in_review
          year_in_review = user.years_in_review_music.create!(year: current_year) unless year_in_review
          
          year_in_reviews[current_year] = year_in_review
        end

        year_in_reviews[current_year].releases.create(year: current_year, release_id: release.id, user_id: user.id)
      end
    end
  end
  
  missing_releases
end

.initialize_top_tracks_by_lastfm(lastfm, user, year = nil) ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 160

def self.initialize_top_tracks_by_lastfm(lastfm, user, year = nil)
  lastfm_user_name, working_tracks, missing_tracks, lastfm_albums = user.lastfm_user_name, [], [], {}
  year_in_reviews = {}
  
  1000.times do |page|
    page +=1
    period = year.present? && Time.local(year, 1, 1) > 15.months.ago ? '12month' : 'overall'
    puts "USER #{lastfm_user_name}: TOP TRACKS PAGE ##{page}"
    lastfm_tracks = nil
    
    begin
      lastfm_tracks = MusicArtist.lastfm_request_class_method(
        lastfm, :user, :get_top_tracks, nil, user: lastfm_user_name, period: period, page: page, raise_parse_exception: true
      )
    rescue REXML::ParseException
      lastfm_tracks = []
      puts "USER #{lastfm_user_name}: TOP TRACKS PAGE ##{page} COULD NOT BE PARSED"
    end
   
    if lastfm_tracks.nil? || lastfm_tracks.first.nil?
      #puts "USER #{lastfm_user_name}: TOP TRACKS PAGE ##{page} IS EMPTY" 
      raise "USER #{lastfm_user_name}: TOP TRACKS PAGE ##{page} IS EMPTY" 
      break
    end
    
    if lastfm_tracks.select{|a| !working_tracks.include?([a['artist']['name'].downcase, a['name'].downcase])}.none?
      # over last page
      break
    end
    
    break if lastfm_tracks.select{|a| a['playcount'].to_i >= 3 }.none?
      
    lastfm_tracks.each do |lastfm_track|
      next if lastfm_track['playcount'].to_i < 3
      
      working_track = [lastfm_track['artist']['name'].downcase, lastfm_track['name'].downcase]
      
      if working_tracks.include?(working_track)
        next
      else
        working_tracks << working_track
      end
      
      music_tracks = MusicTrack.by_artist_and_name([[lastfm_track['artist']['name'], lastfm_track['name']]])
      
      if music_tracks.count == 0
        lastfm_track_info = MusicArtist.lastfm_request_class_method(
          lastfm, :track, :get_info, nil, artist: lastfm_track['artist']['name'], track: lastfm_track['name']
        )

        lastfm_album_info = if lastfm_track_info['album'].nil? || lastfm_track_info['album']['artist'].downcase != lastfm_track['artist']['name']
          {}
        else
          ::YearInReviewMusic.get_lastfm_album(lastfm, lastfm_track['artist']['name'], lastfm_track_info['album']['title'], lastfm_albums)
        end
        
        released_at = nil
        released_at = lastfm_album_info['releasedate'] if lastfm_album_info['releasedate'].present?
        
        if year.present?
          next unless (released_at.blank? || Time.parse(released_at).strftime('%Y').to_i == year)
        end
        
        missing_tracks << { 
          rank: lastfm_track['rank'], artist_name: lastfm_track['artist']['name'], name: lastfm_track['name'],
          released_at: released_at.blank? ? '' : Time.parse(released_at).strftime('%d.%m.%Y')
        }
        
        next
      end
      
      if music_tracks.select{|t| t.released_at.present? }.any?
        music_tracks = music_tracks.select{|t| t.released_at.present? }
      end
      
      music_tracks.each do |track|
        if year.present? && track.released_at.present? && track.released_at.strftime('%Y').to_i != year
          next
        elsif track.released_at.blank?
          lastfm_track_info = MusicArtist.lastfm_request_class_method(
            lastfm, :track, :get_info, nil, artist: lastfm_track['artist']['name'], track: lastfm_track['name']
          )
          
          lastfm_album_info = if lastfm_track_info['album'].nil? || lastfm_track_info['album']['artist'].downcase != lastfm_track['artist']['name']
            {}
          else
            ::YearInReviewMusic.get_lastfm_album(lastfm, lastfm_track['artist']['name'], lastfm_track_info['album']['title'], lastfm_albums)
          end
          
          released_at = nil
          released_at = lastfm_album_info['releasedate'] if lastfm_album_info['releasedate'].present?
          
          if released_at.present?
            track.update_attribute(:released_at, Time.parse(released_at))
          else
            missing_tracks << { 
              rank: lastfm_track['rank'], artist_name: lastfm_track['artist']['name'], name: lastfm_track['name']
            }
            break
          end
          
          next unless year.blank? || Time.parse(released_at).strftime('%Y').to_i == year
        end
      
        current_year = track.released_at.strftime('%Y').to_i
        
        next if Time.local(current_year, 1, 1) < 15.months.ago && lastfm_track['playcount'].to_i < 10
        
        MusicLibraryArtist.create(user_id: user.id, artist_id: track.artist_id)
        
        unless year_in_reviews[current_year]
          year_in_review = user.years_in_review_music.where(year: current_year).first
          
          year_in_review.tracks.delete_all if year_in_review
          year_in_review = user.years_in_review_music.create!(year: current_year) unless year_in_review
          
          year_in_reviews[current_year] = year_in_review
        end

        year_in_reviews[current_year].tracks.create(year: current_year, track_id: track.id, user_id: user.id)
      end
    end
  end
  
  missing_tracks
end

Instance Method Details

#initialize_by_lastfm ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 304

def initialize_by_lastfm
  ::YearInReviewMusic.initialize_by_lastfm(user, year)
end

#update_all_positions_of_users_top_list(user, top_list_type, matches, positions) ⇒ Object 



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# File 'app/models/year_in_review_music.rb', line 308

def update_all_positions_of_users_top_list(user, top_list_type, matches, positions)
  top_list_entries = top_list_type == :releases ? user.years_in_review_music_releases : user.years_in_review_music_tracks
  top_list_table = top_list_type == :releases ? 'year_in_review_music_releases' : 'year_in_review_music_tracks'
  top_list_entries = top_list_entries.where("#{top_list_table}.id IN(?)", positions.values)
  
  unless top_list_entries.count == positions.values.length
    raise CanCan::AccessDenied
  end
  
  update_attribute(top_list_type == :releases ? :top_release_matches : :top_track_matches, JSON.parse(matches))
  
  positions.keys.map(&:to_i).sort.each do |position|
    if top_list_type == :releases
      ActiveRecord::Base.connection.execute("UPDATE year_in_review_music_releases SET position = #{position} WHERE year_in_review_music_releases.id = #{positions[position.to_s]}")
    else
      ActiveRecord::Base.connection.execute("UPDATE year_in_review_music_tracks SET position = #{position} WHERE year_in_review_music_tracks.id = #{positions[position.to_s]}")
    end
  end
end