validates_timeliness/lib/validates_timeliness/base.rb

module ValidatesTimeliness
  module Base
    
    def time_array_to_string(time_array)
      time_array.collect! {|i| i.to_s.rjust(2, '0') }
      time_array[0..2].join('-') + ' ' + time_array[3..5].join(':')
    end
  
    def execute_callstack_for_multiparameter_attributes(callstack)
      errors = []
      callstack.each do |name, values|
        klass = (self.class.reflect_on_aggregation(name.to_sym) || column_for_attribute(name)).klass
        if values.empty?
          send(name + "=", nil)
        else
          begin
            value = if Time == klass || Date == klass
              time_array_to_string(values)
            else
              klass.new(*values)              
            end
            send(name + "=", value)
          rescue => ex
            errors << AttributeAssignmentError.new("error on assignment #{values.inspect} to #{name}", ex, name)
          end
        end
      end
      unless errors.empty?
        raise MultiparameterAssignmentErrors.new(errors), "#{errors.size} error(s) on assignment of multiparameter attributes"
      end
    end
    
  end
end