diff options
Diffstat (limited to 'activemodel/lib/active_model/callbacks.rb')
| -rw-r--r-- | activemodel/lib/active_model/callbacks.rb | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/activemodel/lib/active_model/callbacks.rb b/activemodel/lib/active_model/callbacks.rb index c52e4947ae..b3d70dc515 100644 --- a/activemodel/lib/active_model/callbacks.rb +++ b/activemodel/lib/active_model/callbacks.rb @@ -1,3 +1,5 @@ +require 'active_support/core_ext/array/extract_options' + module ActiveModel # == Active \Model \Callbacks # @@ -28,7 +30,7 @@ module ActiveModel # end # # Then in your class, you can use the +before_create+, +after_create+ and - # +around_create+ methods, just as you would in an Active Record module. + # +around_create+ methods, just as you would in an Active Record model. # # before_create :action_before_create # @@ -95,13 +97,16 @@ module ActiveModel # # obj is the MyModel instance that the callback is being called on # end # end + # + # NOTE: +method_name+ passed to `define_model_callbacks` must not end with + # `!`, `?` or `=`. def define_model_callbacks(*callbacks) options = callbacks.extract_options! options = { - :terminator => "result == false", - :skip_after_callbacks_if_terminated => true, - :scope => [:kind, :name], - :only => [:before, :around, :after] + terminator: ->(_,result) { result == false }, + skip_after_callbacks_if_terminated: true, + scope: [:kind, :name], + only: [:before, :around, :after] }.merge!(options) types = Array(options.delete(:only)) @@ -118,30 +123,27 @@ module ActiveModel private def _define_before_model_callback(klass, callback) #:nodoc: - klass.class_eval <<-CALLBACK, __FILE__, __LINE__ + 1 - def self.before_#{callback}(*args, &block) - set_callback(:#{callback}, :before, *args, &block) - end - CALLBACK + klass.define_singleton_method("before_#{callback}") do |*args, &block| + set_callback(:"#{callback}", :before, *args, &block) + end end def _define_around_model_callback(klass, callback) #:nodoc: - klass.class_eval <<-CALLBACK, __FILE__, __LINE__ + 1 - def self.around_#{callback}(*args, &block) - set_callback(:#{callback}, :around, *args, &block) - end - CALLBACK + klass.define_singleton_method("around_#{callback}") do |*args, &block| + set_callback(:"#{callback}", :around, *args, &block) + end end def _define_after_model_callback(klass, callback) #:nodoc: - klass.class_eval <<-CALLBACK, __FILE__, __LINE__ + 1 - def self.after_#{callback}(*args, &block) - options = args.extract_options! - options[:prepend] = true - options[:if] = Array(options[:if]) << "value != false" - set_callback(:#{callback}, :after, *(args << options), &block) - end - CALLBACK + klass.define_singleton_method("after_#{callback}") do |*args, &block| + options = args.extract_options! + options[:prepend] = true + conditional = ActiveSupport::Callbacks::Conditionals::Value.new { |v| + v != false + } + options[:if] = Array(options[:if]) << conditional + set_callback(:"#{callback}", :after, *(args << options), &block) + end end end end |