Module: ActiveRecord::AttributeMethods::Read

Extended by:
ActiveSupport::Concern
Defined in:
lib/active_record/attribute_methods/read.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#_read_attribute(attr_name) ⇒ Object Also known as: attribute

:nodoc:


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# File 'lib/active_record/attribute_methods/read.rb', line 66

def _read_attribute(attr_name, &block) # :nodoc
  @attributes.fetch_value(attr_name.to_s, &block)
end

#read_attribute(attr_name, &block) ⇒ Object

Returns the value of the attribute identified by attr_name after it has been typecast (for example, “2004-12-12” in a date column is cast to a date object, like Date.new(2004, 12, 12)).


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# File 'lib/active_record/attribute_methods/read.rb', line 50

def read_attribute(attr_name, &block)
  name = if self.class.attribute_alias?(attr_name)
    self.class.attribute_alias(attr_name).to_s
  else
    attr_name.to_s
  end

  name = self.class.primary_key if name == "id".freeze && self.class.primary_key
  _read_attribute(name, &block)
end