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Contents
module MotionPrime
module ModelDirtyMixin
extend ::MotionSupport::Concern
def self.included(base)
base.class_attribute :_changed_attributes
end
def track_changed_attributes(&block)
@_changed_attributes ||= {}
old_attrs = self.info.clone
result = block.call
new_attrs = self.info.clone
new_bags = self._bags.clone
new_attrs.each do |key, value|
if value != old_attrs[key] && !@_changed_attributes.has_key?(key.to_s)
@_changed_attributes[key.to_s] = old_attrs[key]
end
end
new_bags.each do |key, value|
if value.key != old_attrs[key] && !@_changed_attributes.has_key?(key.to_s)
@_changed_attributes[key.to_s] = old_attrs[key]
end
end
result
end
def changed_attributes
@_changed_attributes ||= {}
end
def reset_changed_attributes
@_changed_attributes = {}
end
# Return true if model was changed
#
# @param key [Symbol,String] (not required) will return result only for that attribute if specified
# @return result [Boolean] result
def has_changed?(key = nil)
if key
changed_attributes.has_key?(key.to_s)
else
changed_attributes.present?
end
end
def save
super
reset_changed_attributes
self
end
# Reverts model changes and returns saved version
#
# @return model [MotionPrime::Model] reloaded model
def reload
changed_attributes.each do |key, value|
self.info[key] = value
end
reset_changed_attributes
self
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems