Flowdock
method

decrement_counters_before_last_save

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v6.0.0 - Show latest stable - 0 notes - Class: ActiveRecord::Associations::BelongsToAssociation
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  • What's this?
decrement_counters_before_last_save() public

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# File activerecord/lib/active_record/associations/belongs_to_association.rb, line 45
      def decrement_counters_before_last_save
        if reflection.polymorphic?
          model_was = owner.attribute_before_last_save(reflection.foreign_type).try(:constantize)
        else
          model_was = klass
        end

        foreign_key_was = owner.attribute_before_last_save(reflection.foreign_key)

        if foreign_key_was && model_was < ActiveRecord::Base
          update_counters_via_scope(model_was, foreign_key_was, -1)
        end
      end
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