Module: Exportify::Spotify

Defined in:
lib/exportify/spotify.rb

Class Method Summary collapse

Class Method Details

.enrich_with_genres(tracks, token) ⇒ Object 



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# File 'lib/exportify/spotify.rb', line 81

def enrich_with_genres(tracks, token)
  artist_ids = tracks.map { |t| t[:artist_id] }.uniq.compact
  genres_by_id = {}

  artist_ids.each do |artist_id|
    uri = URI("https://api.spotify.com/v1/artists/#{artist_id}")
    req = Net::HTTP::Get.new(uri)
    req['Authorization'] = "Bearer #{token}"
    res  = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |h| h.request(req) }
    data = JSON.parse(res.body)
    handle_error!(data['error'], 'artistas')
    genres_by_id[data['id']] = (data['genres'] || []).first || ''
  end

  tracks.map { |t| t.merge(genre: genres_by_id[t[:artist_id]] || '') }
end

.handle_error!(error, context) ⇒ Object 



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# File 'lib/exportify/spotify.rb', line 61

def handle_error!(error, context)
  return unless error

  status  = error['status']
  message = error['message']

  case status
  when 401
    abort "Erro #{status}: token inválido ou expirado. Apague ~/.exportify_token.json e tente novamente."
  when 403
    abort "Erro 403 ao buscar #{context}: acesso negado pelo Spotify.\n" \
          "Isso ocorre em playlists de artistas ou gravadoras com conteúdo protegido.\n" \
          'Tente com uma playlist pessoal ou pública de outro usuário.'
  when 404
    abort 'Erro 404: playlist não encontrada. Verifique se o link está correto.'
  else
    abort "Erro da API Spotify (#{status}): #{message}"
  end
end

.playlist_name(playlist_id, token) ⇒ Object 



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# File 'lib/exportify/spotify.rb', line 11

def playlist_name(playlist_id, token)
  uri = URI("https://api.spotify.com/v1/playlists/#{playlist_id}?fields=name")
  req = Net::HTTP::Get.new(uri)
  req['Authorization'] = "Bearer #{token}"
  res  = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |h| h.request(req) }
  data = JSON.parse(res.body)
  handle_error!(data['error'], 'playlist')
  data['name']
end

.playlist_tracks(playlist_id, token) ⇒ Object 



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# File 'lib/exportify/spotify.rb', line 21

def playlist_tracks(playlist_id, token)
  tracks = []
  url    = "https://api.spotify.com/v1/playlists/#{playlist_id}/items?limit=100"

  while url
    uri = URI(url)
    req = Net::HTTP::Get.new(uri)
    req['Authorization'] = "Bearer #{token}"
    res  = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |h| h.request(req) }
    data = JSON.parse(res.body)
    handle_error!(data['error'], 'tracks')

    data['items'].each do |item|
      track = item['item']
      next if track.nil? || track['name'].nil?

      clean_name = track['name']
                   .gsub(/\s*[(\[].*?[)\]]/, '')
                   .gsub(/\s*-\s*(feat|ft)\.?.*/i, '')
                   .strip

      tracks << {
        artist: track['artists'].first['name'],
        artist_id: track['artists'].first['id'],
        all_artists: track['artists'].map { |a| a['name'] }.join(', '),
        name: clean_name,
        raw_name: track['name'],
        album: track.dig('album', 'name') || '',
        year: (track.dig('album', 'release_date') || '')[0..3],
        track_number: track['track_number'] || 0,
        genre: ''
      }
    end

    url = data['next']
  end

  tracks
end