/**
* @copydoc DBElement::check_values_validity()
*/
public static function check_values_validity(&$database, &$current_user, &$log, &$values, $is_new, &$element = NULL)
{
// first, we set the basename as the name if the name is empty
$values['name'] = trim($values['name']);
if (strlen($values['name']) == 0) {
$values['name'] = basename($values['filename']);
}
// then we let all parent classes to check the values
parent::check_values_validity($database, $current_user, $log, $values, $is_new, $element);
// set boolean attributes
settype($values['show_in_table'], 'boolean');
// check "type_id"
try {
// type_id == 0 or NULL means "no attachement type", and this is not allowed!
if ($values['type_id'] == 0) {
throw new Exception('"type_id" ist Null!');
}
$attachement_type = new AttachementType($database, $current_user, $log, $values['type_id']);
} catch (Exception $e) {
debug('warning', 'Ungültige "type_id": "' . $values['type_id'] . '"' . "\n\nUrsprüngliche Fehlermeldung: " . $e->getMessage(), __FILE__, __LINE__, __METHOD__);
throw new Exception('Der gewählte Dateityp existiert nicht!');
}
// check "class_name"
$supported_classes = array('Part');
// to be continued (step by step)...
if (!in_array($values['class_name'], $supported_classes)) {
debug('error', 'Die Klasse "' . $values['class_name'] . '" unterstützt (noch) keine Dateianhänge!', __FILE__, __LINE__, __METHOD__);
throw new Exception('Ungültiger Klassenname: "' . $values['class_name'] . '"');
}
// check "element_id"
try {
// element_id == 0 is not allowed!
if ($values['element_id'] == 0) {
throw new Exception('"element_id" ist Null!');
}
$element = new $values['class_name']($database, $current_user, $log, $values['element_id']);
$element->set_attributes(array());
// save element attributes to update its "last_modified"
} catch (Exception $e) {
debug('warning', 'Ungültige "element_id"/"class_name": "' . $values['element_id'] . '"/"' . $values['class_name'] . '"' . "\n\nUrsprüngliche Fehlermeldung: " . $e->getMessage(), __FILE__, __LINE__, __METHOD__);
throw new Exception('Das gewählte Element existiert nicht!');
}
// trim $values['filename']
$values['filename'] = trim($values['filename']);
// empty filenames are not allowed!
if (strlen($values['filename']) == 0) {
throw new Exception('Der Dateiname ist leer, das ist nicht erlaubt!');
}
// check if "filename" is a valid (absolute and UNIX) filepath
if (!is_path_absolute_and_unix($values['filename'])) {
throw new Exception('Der Dateipfad "' . $values['filename'] . '" ist kein gültiger absoluter UNIX Dateipfad!');
}
// we replace the path of the Part-DB installation directory (Constant "BASE") with a placeholder ("%BASE%")
$values['filename'] = str_replace(BASE, '%BASE%', $values['filename']);
}
