Class: ActiveRecord::Reflection::AssociationReflection

Inherits:
Object
  • Object
show all
Defined in:
lib/composite_primary_keys/reflection.rb

Instance Method Summary collapse

Instance Method Details

#primary_key_name ⇒ Object 



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# File 'lib/composite_primary_keys/reflection.rb', line 4

def primary_key_name
  return @primary_key_name if @primary_key_name
  case
    when macro == :belongs_to
      @primary_key_name = options[:foreign_key] || class_name.foreign_key
    when options[:as]
      @primary_key_name = options[:foreign_key] || "#{options[:as]}_id"
    else
      @primary_key_name = options[:foreign_key] || active_record.name.foreign_key
  end
  @primary_key_name = @primary_key_name.to_composite_keys.to_s if @primary_key_name.is_a? Array
  @primary_key_name
end