@@ -192,13 +192,8 @@ module ActiveSupport end def should_run_callback?(*args) - if options[:if] - evaluate_method(options[:if], *args) - elsif options[:unless] - !evaluate_method(options[:unless], *args) - else - true - end + [options[:if]].flatten.compact.all? { |a| evaluate_method(a, *args) } && + ![options[:unless]].flatten.compact.any? { |a| evaluate_method(a, *args) } end end activesupport/lib/active_support/callbacks.rb @@ -53,10 +53,41 @@ class Person < Record end class ConditionalPerson < Record + # proc before_save Proc.new { |r| r.history << [:before_save, :proc] }, :if => Proc.new { |r| true } before_save Proc.new { |r| r.history << "b00m" }, :if => Proc.new { |r| false } before_save Proc.new { |r| r.history << [:before_save, :proc] }, :unless => Proc.new { |r| false } before_save Proc.new { |r| r.history << "b00m" }, :unless => Proc.new { |r| true } + # symbol + before_save Proc.new { |r| r.history << [:before_save, :symbol] }, :if => :yes + before_save Proc.new { |r| r.history << "b00m" }, :if => :no + before_save Proc.new { |r| r.history << [:before_save, :symbol] }, :unless => :no + before_save Proc.new { |r| r.history << "b00m" }, :unless => :yes + # string + before_save Proc.new { |r| r.history << [:before_save, :string] }, :if => 'yes' + before_save Proc.new { |r| r.history << "b00m" }, :if => 'no' + before_save Proc.new { |r| r.history << [:before_save, :string] }, :unless => 'no' + before_save Proc.new { |r| r.history << "b00m" }, :unless => 'yes' + # Array with conditions + before_save Proc.new { |r| r.history << [:before_save, :symbol_array] }, :if => [:yes, :other_yes] + before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, :no] + before_save Proc.new { |r| r.history << [:before_save, :symbol_array] }, :unless => [:no, :other_no] + before_save Proc.new { |r| r.history << "b00m" }, :unless => [:yes, :no] + # Combined if and unless + before_save Proc.new { |r| r.history << [:before_save, :combined_symbol] }, :if => :yes, :unless => :no + before_save Proc.new { |r| r.history << "b00m" }, :if => :yes, :unless => :yes + # Array with different types of conditions + before_save Proc.new { |r| r.history << [:before_save, :symbol_proc_string_array] }, :if => [:yes, Proc.new { |r| true }, 'yes'] + before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, Proc.new { |r| true }, 'no'] + # Array with different types of conditions comibned if and unless + before_save Proc.new { |r| r.history << [:before_save, :combined_symbol_proc_string_array] }, + :if => [:yes, Proc.new { |r| true }, 'yes'], :unless => [:no, 'no'] + before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, Proc.new { |r| true }, 'no'], :unless => [:no, 'no'] + + def yes; true; end + def other_yes; true; end + def no; false; end + def other_no; false; end def save run_callbacks(:before_save) @@ -90,7 +121,16 @@ class ConditionalCallbackTest < Test::Unit::TestCase person.save assert_equal [ [:before_save, :proc], - [:before_save, :proc] + [:before_save, :proc], + [:before_save, :symbol], + [:before_save, :symbol], + [:before_save, :string], + [:before_save, :string], + [:before_save, :symbol_array], + [:before_save, :symbol_array], + [:before_save, :combined_symbol], + [:before_save, :symbol_proc_string_array], + [:before_save, :combined_symbol_proc_string_array] ], person.history end end activesupport/test/callbacks_test.rb 3b92b141fd0759476690a174d5e2f8f0f2d9f1b7 Joshua Peek josh josh@joshpeek.com http://github.com/rails/rails/commit/1e45818a622405e720a4529795f8be2f11660361 1e45818a622405e720a4529795f8be2f11660361 2008-12-28T13:07:17-08:00 2008-12-28T13:07:17-08:00 Allow multiple conditions for callbacks [#1627 state:resolved] 051a3175e52fedbcba931010852734f1e33839bc Joshua Peek josh josh@joshpeek.com