Skip to content
This repository
tag: v2.0.0_RC1
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 57 lines (46 sloc) 1.724 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
module ActiveRecord
  module Associations
    class BelongsToAssociation < AssociationProxy #:nodoc:
      def create(attributes = {})
        replace(@reflection.klass.create(attributes))
      end

      def build(attributes = {})
        replace(@reflection.klass.new(attributes))
      end

      def replace(record)
        counter_cache_name = @reflection.counter_cache_column

        if record.nil?
          if counter_cache_name && @owner[counter_cache_name] && !@owner.new_record?
            @reflection.klass.decrement_counter(counter_cache_name, @owner[@reflection.primary_key_name]) if @owner[@reflection.primary_key_name]
          end

          @target = @owner[@reflection.primary_key_name] = nil
        else
          raise_on_type_mismatch(record)

          if counter_cache_name && !@owner.new_record?
            @reflection.klass.increment_counter(counter_cache_name, record.id)
            @reflection.klass.decrement_counter(counter_cache_name, @owner[@reflection.primary_key_name]) if @owner[@reflection.primary_key_name]
          end

          @target = (AssociationProxy === record ? record.target : record)
          @owner[@reflection.primary_key_name] = record.id unless record.new_record?
          @updated = true
        end

        loaded
        record
      end
      
      def updated?
        @updated
      end
      
      private
        def find_target
          @reflection.klass.find(
            @owner[@reflection.primary_key_name],
            :conditions => conditions,
            :include => @reflection.options[:include]
          )
        end

        def foreign_key_present
          !@owner[@reflection.primary_key_name].nil?
        end
    end
  end
end
Something went wrong with that request. Please try again.