Module: AttrDefault::InstanceMethods

Defined in:
lib/attr_default.rb

Instance Method Summary collapse

Instance Method Details

#_attr_default_set ⇒ Object 



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# File 'lib/attr_default.rb', line 63

def _attr_default_set
  @_attr_default_set ||= {}
end

#default_value_for(attr_name) ⇒ Object 



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# File 'lib/attr_default.rb', line 48

def default_value_for(attr_name)
  attr_name = attr_name.to_s
  if self.class._attr_defaults.has_key?(attr_name)
    attr_default = self.class._attr_defaults[attr_name]
    attr_default.is_a?(Proc) ? instance_exec(&attr_default) : (attr_default.dup rescue attr_default)
  else
    column_data = self.class.columns_hash[attr_name] or raise ArgumentError, "#{self.class.name}##{attr_name} not found"
    column_data.default
  end
end

#dup ⇒ Object Also known as: clone 



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# File 'lib/attr_default.rb', line 67

def dup
  result = super
  result.created_at = nil unless !result.class.columns_hash.has_key?('created_at')
  result.updated_at = nil unless !result.class.columns_hash.has_key?('updated_at')
  if self.new_record?
    result.instance_variable_set(:@_attr_default_set, self._attr_default_set.dup)
  else
    result.instance_variable_set(:@_attr_defaults_set_from_dup, true)
  end
  result
end

#reset_to_default_value(attr_name) ⇒ Object 



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# File 'lib/attr_default.rb', line 59

def reset_to_default_value(attr_name)
  send("#{attr_name}=", default_value_for(attr_name))
end