Module: EagerRecord::EagerPreloading::AssociationProxyExtensions

Defined in:
lib/eager_record/eager_preloading.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/eager_record/eager_preloading.rb', line 35

def self.included(base)
  base.module_eval do
    alias_method_chain :load_target, :eager_preloading
  end
end

Instance Method Details

#load_target_with_eager_preloading ⇒ Object 



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# File 'lib/eager_record/eager_preloading.rb', line 41

def load_target_with_eager_preloading
  return nil unless defined?(@loaded)

  if @owner.read_attribute(@reflection.primary_key_name)
    if !loaded? and (!@owner.new_record? || foreign_key_present)
      if originating_collection = @owner.instance_variable_get(:@originating_collection)
        association_name = @reflection.name
        @owner.class.__send__(:preload_associations, originating_collection, association_name)
        new_association = @owner.__send__(:association_instance_get, association_name)
        if new_association && __id__ != new_association.__id__ && new_association.loaded?
          @target = new_association.target
          @loaded = true
          return
        end
      end
    end
  end
  load_target_without_eager_preloading
end