vendor/rails/activerecord/lib/active_record/deprecated_associations.rb

   1 module ActiveRecord
   2   module Associations # :nodoc:
   3     module ClassMethods
   4       def deprecated_collection_count_method(collection_name)# :nodoc:
   5         module_eval <<-"end_eval", __FILE__, __LINE__
   6           def #{collection_name}_count(force_reload = false)
   7             unless has_attribute?(:#{collection_name}_count)
   8               ActiveSupport::Deprecation.warn :#{collection_name}_count
   9             end
  10             #{collection_name}.reload if force_reload
  11             #{collection_name}.size
  12           end
  13         end_eval
  14       end
  15
  16       def deprecated_add_association_relation(association_name)# :nodoc:
  17         module_eval <<-"end_eval", __FILE__, __LINE__
  18           def add_#{association_name}(*items)
  19             #{association_name}.concat(items)
  20           end
  21           deprecate :add_#{association_name} => "use #{association_name}.concat instead"
  22         end_eval
  23       end
  24
  25       def deprecated_remove_association_relation(association_name)# :nodoc:
  26         module_eval <<-"end_eval", __FILE__, __LINE__
  27           def remove_#{association_name}(*items)
  28             #{association_name}.delete(items)
  29           end
  30           deprecate :remove_#{association_name} => "use #{association_name}.delete instead"
  31         end_eval
  32       end
  33
  34       def deprecated_has_collection_method(collection_name)# :nodoc:
  35         module_eval <<-"end_eval", __FILE__, __LINE__
  36           def has_#{collection_name}?(force_reload = false)
  37             !#{collection_name}(force_reload).empty?
  38           end
  39           deprecate :has_#{collection_name}? => "use !#{collection_name}.empty? instead"
  40         end_eval
  41       end
  42
  43       def deprecated_find_in_collection_method(collection_name)# :nodoc:
  44         module_eval <<-"end_eval", __FILE__, __LINE__
  45           def find_in_#{collection_name}(association_id)
  46             #{collection_name}.find(association_id)
  47           end
  48           deprecate :find_in_#{collection_name} => "use #{collection_name}.find instead"
  49         end_eval
  50       end
  51
  52       def deprecated_collection_create_method(collection_name)# :nodoc:
  53         module_eval <<-"end_eval", __FILE__, __LINE__
  54           def create_in_#{collection_name}(attributes = {})
  55             #{collection_name}.create(attributes)
  56           end
  57           deprecate :create_in_#{collection_name} => "use #{collection_name}.create instead"
  58         end_eval
  59       end
  60
  61       def deprecated_collection_build_method(collection_name)# :nodoc:
  62         module_eval <<-"end_eval", __FILE__, __LINE__
  63           def build_to_#{collection_name}(attributes = {})
  64             #{collection_name}.build(attributes)
  65           end
  66           deprecate :build_to_#{collection_name} => "use #{collection_name}.build instead"
  67         end_eval
  68       end
  69
  70       def deprecated_association_comparison_method(association_name, association_class_name) # :nodoc:
  71         module_eval <<-"end_eval", __FILE__, __LINE__
  72           def #{association_name}?(comparison_object, force_reload = false)
  73             if comparison_object.kind_of?(#{association_class_name})
  74               #{association_name}(force_reload) == comparison_object
  75             else
  76               raise "Comparison object is a #{association_class_name}, should have been \#{comparison_object.class.name}"
  77             end
  78           end
  79           deprecate :#{association_name}? => :==
  80         end_eval
  81       end
  82
  83       def deprecated_has_association_method(association_name) # :nodoc:
  84         module_eval <<-"end_eval", __FILE__, __LINE__
  85           def has_#{association_name}?(force_reload = false)
  86             !#{association_name}(force_reload).nil?
  87           end
  88           deprecate :has_#{association_name}? => "use !#{association_name} insead"
  89         end_eval
  90       end
  91     end
  92   end
  93 end