Module: ActiveRecord::RFC3339Attributes

Defined in:
lib/active_record/rfc_3339_attributes.rb

Constant Summary collapse

RFC_3339_REGEXP = 
/^\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\d(\.\d*)?(Z|(([+-]\d\d):\d\d))$/

Instance Method Summary collapse

Instance Method Details

#rfc_3339_attributes(*attr_names) ⇒ Object 



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# File 'lib/active_record/rfc_3339_attributes.rb', line 5

def rfc_3339_attributes(*attr_names)
  attr_names.each do |attr_name|
    define_method "#{attr_name}=" do |time|
      @attributes_cache.delete(attr_name.to_s)
      instance_variable_set("@#{attr_name}_before_type_cast", time)
      
      if time.respond_to?(:in_time_zone)
        time = time.in_time_zone
      elsif parsed_time = Time.zone.parse(time.to_s)
        time = parsed_time.in_time_zone
      end
      
      @attributes[attr_name.to_s] = time
    end
  end
end

#validates_rf_3339_format_of(*attr_names) ⇒ Object 



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# File 'lib/active_record/rfc_3339_attributes.rb', line 22

def validates_rf_3339_format_of(*attr_names)
  configuration = {
    :on => :save,
    :with => RFC_3339_REGEXP,
    :message => "should be a valid RFC 3339 timestamp"
  }.update(attr_names.extract_options!)
  
  send(validation_method(configuration[:on] || :save), configuration) do |record|
    attr_names.each do |attr_name|
      value = record.send(:instance_variable_get, "@#{attr_name}_before_type_cast") || record.send(attr_name)
      next if value.acts_like?(:time)
      if value.blank? and !configuration[:allow_blank]
        record.errors.add(attr_name, :invalid, :default => "can't be blank", :value => value)
      elsif value.to_s !~ configuration[:with]
        record.errors.add(attr_name, :invalid, :default => configuration[:message], :value => value)
      end
    end
  end
end