Method: RPCMapper::Association::Has#scope

Defined in:
lib/rpc_mapper/association.rb

#scope(object) ⇒ Object

Returns a scope on the target containing this association

Builds conditions on top of the base_scope generated from any finder options set with the association

has_many :widgets, :class_name => "Widget", :foreign_key => :widget_id
has_many :comments, :as => :parent

In addition to any finder options included with the association options the following will be added:

where(widget_id => source[:id])

Or for the polymorphic :comments association:

where(:parent_id => source[:id], :parent_type => source.class)



194
195
196
197
198
199
200
201
202
 
# File 'lib/rpc_mapper/association.rb', line 194

def scope(object)
  return nil unless object[self.primary_key]
  s = base_scope(object).where(self.foreign_key => object[self.primary_key])
  if polymorphic?
    s = s.where(
      polymorphic_type => RPCMapper::Base.base_class_name(object.class) )
  end
  s
end