Method: ActiveRecord::Reflection::ThroughReflection#check_validity!

Defined in:

lib/active_record/reflection.rb

#check_validity! ⇒ Object

# File 'lib/active_record/reflection.rb', line 548

def check_validity!
  if through_reflection.nil?
    raise HasManyThroughAssociationNotFoundError.new(active_record.name, self)
  end

  if through_reflection.options[:polymorphic]
    raise HasManyThroughAssociationPolymorphicThroughError.new(active_record.name, self)
  end

  if source_reflection.nil?
    raise HasManyThroughSourceAssociationNotFoundError.new(self)
  end

  if options[:source_type] && source_reflection.options[:polymorphic].nil?
    raise HasManyThroughAssociationPointlessSourceTypeError.new(active_record.name, self, source_reflection)
  end

  if source_reflection.options[:polymorphic] && options[:source_type].nil?
    raise HasManyThroughAssociationPolymorphicSourceError.new(active_record.name, self, source_reflection)
  end

  if macro == :has_one && through_reflection.collection?
    raise HasOneThroughCantAssociateThroughCollection.new(active_record.name, self, through_reflection)
  end

  check_validity_of_inverse!
end