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Versions: 6
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Stored size: 1.53 KB
Contents
# encoding: UTF-8
module MongoMapper
module Plugins
module Dirty
extend ActiveSupport::Concern
include ::ActiveModel::Dirty
def initialize(*)
# never register initial id assignment as a change
super.tap { changed_attributes.delete('_id') }
end
def initialize_from_database(*)
super.tap { changed_attributes.clear }
end
def save(*)
clear_changes { super }
end
def reload(*)
super.tap { clear_changes }
end
protected
def attribute_method?(attr)
# This overrides ::ActiveSupport::Dirty#attribute_method? to allow attributes to be any key
# in the attributes hash ( default ) or any key defined on the model that may not yet have
# had a value stored in the attributes collection.
super || key_names.include?(attr)
end
def clear_changes
previous = changes
(block_given? ? yield : true).tap do |result|
unless result == false #failed validation; nil is OK.
@previously_changed = previous
changed_attributes.clear
end
end
end
private
def write_key(key, value)
key = key.to_s
attribute_will_change!(key) unless attribute_changed?(key)
super(key, value).tap do
changed_attributes.delete(key) unless attribute_value_changed?(key)
end
end
def attribute_value_changed?(key_name)
attribute_was(key_name) != read_key(key_name)
end
end
end
end
Version data entries
6 entries across 6 versions & 3 rubygems