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Contents
module JsonApiClient
module Helpers
module Dirty
def changed?
changed_attributes.present?
end
def changed
changed_attributes.keys
end
def changed_attributes
@changed_attributes ||= ActiveSupport::HashWithIndifferentAccess.new
end
def clear_changes_information
@changed_attributes = ActiveSupport::HashWithIndifferentAccess.new
end
def forget_change!(attr)
@changed_attributes.delete(attr.to_s)
end
def set_all_attributes_dirty
attributes.each do |k, v|
set_attribute_was(k, v)
end
end
def attribute_will_change!(attr)
return if attribute_changed?(attr)
set_attribute_was(attr, attributes[attr])
end
def set_attribute_was(attr, value)
begin
value = value.duplicable? ? value.clone : value
changed_attributes[attr] = value
rescue TypeError, NoMethodError
end
end
def attribute_was(attr) # :nodoc:
attribute_changed?(attr) ? changed_attributes[attr] : attributes[attr]
end
def attribute_changed?(attr)
changed.include?(attr.to_s)
end
def attribute_change(attr)
[changed_attributes[attr], attributes[attr]] if attribute_changed?(attr)
end
protected
def method_missing(method, *args, &block)
if method.to_s =~ /^(.*)_changed\?$/
has_attribute?($1) ? attribute_changed?($1) : nil
elsif method.to_s =~ /^(.*)_was$/
has_attribute?($1) ? attribute_was($1) : nil
else
super
end
end
def set_attribute(name, value)
attribute_will_change!(name) if value != attributes[name] || !attributes.has_key?(name)
super
end
end
end
end
Version data entries
22 entries across 22 versions & 2 rubygems