# frozen_string_literal: true

module BetterRecord
  class AttachmentValidation < Base
    # == Constants ============================================================

    # == Attributes ===========================================================

    # == Extensions ===========================================================

    # == Relationships ========================================================
    belongs_to :attachment,
      class_name: 'ActiveStorage::Attachment',
      inverse_of: :validations

    ActiveStorage::Attachment.has_many :validations,
      class_name: 'BetterRecord::AttachmentValidation',
      foreign_key: :attachment_id,
      inverse_of: :attachment,
      dependent: :destroy
    # == Validations ==========================================================
    validates_presence_of :name

    # == Scopes ===============================================================

    # == Callbacks ============================================================

    # == Boolean Class Methods ================================================

    # == Class Methods ========================================================
    def self.delete_invalid
      BetterRecord::AttachmentValidation.
        where.not( id: BetterRecord::AttachmentValidation.joins(:attachment).select(:id) ).
        delete_all
    end

    # == Boolean Methods ======================================================

    # == Instance Methods =====================================================

  end
end