diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rwxr-xr-x | activerecord/lib/active_record/associations.rb | 64 |
1 files changed, 43 insertions, 21 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 016745add2..0888c41396 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -280,9 +280,10 @@ module ActiveRecord # You can manipulate objects and associations before they are saved to the database, but there is some special behavior you should be # aware of, mostly involving the saving of associated objects. # - # Unless you enable the :autosave option on a <tt>has_one</tt>, <tt>belongs_to</tt>, - # <tt>has_many</tt>, or <tt>has_and_belongs_to_many</tt> association, - # in which case the members are always saved. + # Unless you set the :autosave option on a <tt>has_one</tt>, <tt>belongs_to</tt>, + # <tt>has_many</tt>, or <tt>has_and_belongs_to_many</tt> association. Setting it + # to +true+ will _always_ save the members, whereas setting it to +false+ will + # _never_ save the members. # # === One-to-one associations # @@ -937,7 +938,9 @@ module ActiveRecord # if the real class name is Person, you'll have to specify it with this option. # [:conditions] # Specify the conditions that the associated object must meet in order to be included as a +WHERE+ - # SQL fragment, such as <tt>rank = 5</tt>. + # SQL fragment, such as <tt>rank = 5</tt>. Record creation from the association is scoped if a hash + # is used. <tt>has_one :account, :conditions => {:enabled => true}</tt> will create an enabled account with <tt>@company.create_account</tt> + # or <tt>@company.build_account</tt>. # [:order] # Specify the order in which the associated objects are returned as an <tt>ORDER BY</tt> SQL fragment, # such as <tt>last_name, first_name DESC</tt>. @@ -1491,24 +1494,43 @@ module ActiveRecord end before_destroy method_name when :delete_all - module_eval %Q{ - before_destroy do |record| # before_destroy do |record| - delete_all_has_many_dependencies(record, # delete_all_has_many_dependencies(record, - "#{reflection.name}", # "posts", - #{reflection.class_name}, # Post, - %@#{dependent_conditions}@) # %@...@) # this is a string literal like %(...) - end # end - } + # before_destroy do |record| + # self.class.send(:delete_all_has_many_dependencies, + # record, + # "posts", + # Post, + # %@...@) # this is a string literal like %(...) + # end + # end + module_eval <<-CALLBACK + before_destroy do |record| + self.class.send(:delete_all_has_many_dependencies, + record, + "#{reflection.name}", + #{reflection.class_name}, + %@#{dependent_conditions}@) + end + CALLBACK when :nullify - module_eval %Q{ - before_destroy do |record| # before_destroy do |record| - nullify_has_many_dependencies(record, # nullify_has_many_dependencies(record, - "#{reflection.name}", # "posts", - #{reflection.class_name}, # Post, - "#{reflection.primary_key_name}", # "user_id", - %@#{dependent_conditions}@) # %@...@) # this is a string literal like %(...) - end # end - } + # before_destroy do |record| + # self.class.send(:nullify_has_many_dependencies, + # record, + # "posts", + # Post, + # "user_id", + # %@...@) # this is a string literal like %(...) + # end + # end + module_eval <<-CALLBACK + before_destroy do |record| + self.class.send(:nullify_has_many_dependencies, + record, + "#{reflection.name}", + #{reflection.class_name}, + "#{reflection.primary_key_name}", + %@#{dependent_conditions}@) + end + CALLBACK else raise ArgumentError, "The :dependent option expects either :destroy, :delete_all, or :nullify (#{reflection.options[:dependent].inspect})" end |