class RepositoryDateValue < ApplicationRecord belongs_to :created_by, foreign_key: :created_by_id, class_name: 'User', optional: true belongs_to :last_modified_by, foreign_key: :last_modified_by_id, class_name: 'User', optional: true has_one :repository_cell, as: :value, dependent: :destroy accepts_nested_attributes_for :repository_cell validates :repository_cell, presence: true validates :data, presence: true def formatted data end def data_changed?(new_data) new_data != data end def update_data!(new_data, user) self.data = new_data self.last_modified_by = user save! end def self.new_with_payload(payload, attributes) value = new(attributes) value.data = payload value end end