demarches-normaliennes/app/models/champs/titre_identite_champ.rb

class Champs::TitreIdentiteChamp < Champ
  FILE_MAX_SIZE = 20.megabytes
  ACCEPTED_FORMATS = ['image/png', 'image/jpeg']

  has_many_attached :piece_justificative_file do |attachable|
    attachable.variant :medium, resize: '400x400'
  end

  # TODO: if: -> { validate_champ_value? || validation_context == :prefill }
  validates :piece_justificative_file, content_type: ACCEPTED_FORMATS, size: { less_than: FILE_MAX_SIZE }

  def main_value_name
    :piece_justificative_file
  end

  def search_terms
    # We don’t know how to search inside documents yet
  end

  def mandatory_blank?
    mandatory? && !piece_justificative_file.attached?
  end

  def blank?
    piece_justificative_file.blank?
  end
end