method

touch_record

Importance_0
v4.2.7 - Show latest stable - 0 notes - Class: BelongsTo
touch_record(o, foreign_key, name, touch) private

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# File activerecord/lib/active_record/associations/builder/belongs_to.rb, line 65
    def self.touch_record(o, foreign_key, name, touch) # :nodoc:
      old_foreign_id = o.changed_attributes[foreign_key]

      if old_foreign_id
        association = o.association(name)
        reflection = association.reflection
        if reflection.polymorphic?
          klass = o.public_send("#{reflection.foreign_type}_was").constantize
        else
          klass = association.klass
        end
        old_record = klass.find_by(klass.primary_key => old_foreign_id)

        if old_record
          if touch != true
            old_record.touch touch
          else
            old_record.touch
          end
        end
      end

      record = o.send name
      if record && record.persisted?
        if touch != true
          record.touch touch
        else
          record.touch
        end
      end
    end
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