/**
* Configure a Value parameter, based on the supplied object-type value
*
* @todo Re-use one Mapper instance
*
* @param \Google_Service_Datastore_Value $obj_val
* @param object $mix_value
*/
protected function configureObjectValueParamForQuery($obj_val, $mix_value)
{
if ($mix_value instanceof Entity) {
$obj_val->setKeyValue($this->createMapper()->createKey($mix_value));
} elseif ($mix_value instanceof \DateTime) {
$obj_val->setDateTimeValue($mix_value->format(\DateTime::ATOM));
} elseif (method_exists($mix_value, '__toString')) {
$obj_val->setStringValue($mix_value->__toString());
} else {
throw new \InvalidArgumentException('Unexpected, non-string-able object parameter: ' . get_class($mix_value));
}
}
/**
* Create a query filter on a date property.
* @param $name property name
* @param $value property value
* @param $operator filter operator
*/
protected static function createDateFilter($name, $value, $operator = 'greaterThan')
{
$date_value = new Google_Service_Datastore_Value();
$date_time = new DateTime($value);
$date_value->setDateTimeValue($date_time->format(DateTime::ATOM));
$property_ref = new Google_Service_Datastore_PropertyReference();
$property_ref->setName($name);
$property_filter = new Google_Service_Datastore_PropertyFilter();
$property_filter->setProperty($property_ref);
$property_filter->setValue($date_value);
$property_filter->setOperator($operator);
$filter = new Google_Service_Datastore_Filter();
$filter->setPropertyFilter($property_filter);
return $filter;
}
