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Contents
# frozen_string_literal: true
module ActiveRecord::Associations::Builder # :nodoc:
class HasOne < SingularAssociation #:nodoc:
def self.macro
:has_one
end
def self.valid_options(options)
valid = super
valid += [:as, :foreign_type] if options[:as]
valid += [:ensuring_owner_was] if options[:dependent] == :destroy_async
valid += [:through, :source, :source_type] if options[:through]
valid
end
def self.valid_dependent_options
[:destroy, :destroy_async, :delete, :nullify, :restrict_with_error, :restrict_with_exception]
end
def self.define_callbacks(model, reflection)
super
add_touch_callbacks(model, reflection) if reflection.options[:touch]
end
def self.add_destroy_callbacks(model, reflection)
super unless reflection.options[:through]
end
def self.define_validations(model, reflection)
super
if reflection.options[:required]
model.validates_presence_of reflection.name, message: :required
end
end
def self.touch_record(record, name, touch)
instance = record.send(name)
if instance&.persisted?
touch != true ?
instance.touch(touch) : instance.touch
end
end
def self.add_touch_callbacks(model, reflection)
name = reflection.name
touch = reflection.options[:touch]
callback = -> (record) { HasOne.touch_record(record, name, touch) }
model.after_create callback, if: :saved_changes?
model.after_create_commit { association(name).reset_negative_cache }
model.after_update callback, if: :saved_changes?
model.after_destroy callback
model.after_touch callback
end
private_class_method :macro, :valid_options, :valid_dependent_options, :add_destroy_callbacks,
:define_callbacks, :define_validations, :add_touch_callbacks
end
end
Version data entries
37 entries across 37 versions & 4 rubygems