macros.rb in mongoid-7.4.0

- old
+ new

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
-# encoding: utf-8
 
 module Mongoid
   module Association
 
     # This module contains the core macros for defining associations between
@@ -11,23 +10,24 @@
 
       included do
         class_attribute :embedded, instance_reader: false
         class_attribute :embedded_relations
         class_attribute :relations
+        # @api private
+        class_attribute :aliased_associations
         self.embedded = false
         self.embedded_relations = BSON::Document.new
         self.relations = BSON::Document.new
+        self.aliased_associations = {}
       end
 
       # This is convenience for libraries still on the old API.
       #
       # @example Get the associations.
       #   person.associations
       #
       # @return [ Hash ] The associations.
-      #
-      # @since 2.3.1
       def associations
         self.relations
       end
 
       module ClassMethods
@@ -162,12 +162,10 @@
         #   end
         #
         # @param [ Symbol ] name The name of the association.
         # @param [ Hash ] options The association options.
         # @param [ Proc ] block Optional block for defining extensions.
-        #
-        # @since 2.0.0.rc.1
         def has_and_belongs_to_many(name, options = {}, &block)
           define_association!(__method__, name, options, &block)
         end
 
         # Adds a referenced association from the child Document to a Document
@@ -196,9 +194,12 @@
 
         def define_association!(macro_name, name, options = {}, &block)
           Association::MACRO_MAPPING[macro_name].new(self, name, options, &block).tap do |assoc|
             assoc.setup!
             self.relations = self.relations.merge(name => assoc)
+            if assoc.respond_to?(:store_as) && assoc.store_as != name
+              self.aliased_associations[assoc.store_as] = name
+            end
           end
         end
       end
     end
   end