class GtaskBank < ApplicationRecord belongs_to :user belongs_to :graduation_task, optional: true belongs_to :course_list, optional: true has_many :attachments, as: :container, dependent: :destroy has_many :graduation_tasks, dependent: :nullify scope :myself, ->(user_id) { where(user_id: user_id)} scope :is_public, -> { where(:is_public => true) } end