| 1 | require 'action_view' |
| 2 | require 'action_view/helpers' |
| 3 | |
| 4 | # Our representation of a song. |
| 5 | # Not to be confused with a song from a provider. |
| 6 | class Song < ApplicationRecord |
| 7 | include ActionView::Helpers::DateHelper |
| 8 | include Rails.application.routes.url_helpers |
| 9 | |
| 10 | belongs_to :album, optional: true |
| 11 | belongs_to :user |
| 12 | |
| 13 | has_many :song_artists, dependent: :destroy |
| 14 | has_many :artists, through: :song_artists |
| 15 | has_many :song_chord_plea, dependent: :destroy |
| 16 | has_many :users, through: :song_chord_plea |
| 17 | |
| 18 | accepts_nested_attributes_for :song_artists, allow_destroy: true |
| 19 | |
| 20 | has_many :lyrics, dependent: :destroy |
| 21 | has_many :chords, dependent: :destroy |
| 22 | |
| 23 | has_many :comments, as: :commentable |
| 24 | |
| 25 | # Song providers |
| 26 | has_many :song_providers |
| 27 | has_many :youtubes, -> { where(provider_type: :youtube) }, class_name: 'SongProvider' |
| 28 | has_many :spotifies, -> { where(provider_type: :spotify) }, class_name: 'SongProvider' |
| 29 | |
| 30 | # More than one user may upload the same file from a song. |
| 31 | has_many :audio_file |
| 32 | |
| 33 | has_many :audio_files |
| 34 | |
| 35 | validates_length_of :album, presence: true, allow_blank: false |
| 36 | validates_length_of :name, presence: true, allow_blank: false |
| 37 | validates_length_of :description, presence: true, allow_blank: false |
| 38 | |
| 39 | def as_json(options = {}) |
| 40 | options[:methods] = %i[songwriters path type created] |
| 41 | super |
| 42 | end |
| 43 | |
| 44 | def title_link |
| 45 | _title_link = name |
| 46 | _title_link += " #{album.artists.first.name}" if album&.artists&.first&.present? |
| 47 | _title_link += " #{album.name}" if album.present? |
| 48 | _title_link |
| 49 | end |
| 50 | |
| 51 | def slug |
| 52 | _slug = name |
| 53 | _slug += "-#{album.artists.first.name}" if album&.artists&.first&.present? |
| 54 | _slug += "-#{album.name}" if album.present? |
| 55 | _slug += "-#{id}" |
| 56 | _slug.downcase.parameterize |
| 57 | end |
| 58 | |
| 59 | private |
| 60 | |
| 61 | def songwriters |
| 62 | artists.as_json(only: %i[id name]) |
| 63 | end |
| 64 | |
| 65 | def created |
| 66 | "#{time_ago_in_words(created_at)} #{I18n.t('ago')}" |
| 67 | end |
| 68 | |
| 69 | def path |
| 70 | song_detail_path(slug) |
| 71 | end |
| 72 | |
| 73 | def type |
| 74 | I18n.t(self.class.name) |
| 75 | end |
| 76 | end |