/**
* Converts the given column name to it's expected container type context (UUID or String)
* @param string $columnName column name
* @param int $toFmt convert to type (UUID::UUID_FMT_BIN, UUID::UUID_FMT_STR)
* @return mixed converted column name
*/
protected function typeConvert($columnName, $toFmt)
{
if ($this->_containerType != self::TYPE_UUID) {
return $columnName;
}
$bin = UUID::isBinary($columnName);
// Save accidental double-conversions on binaries
if ($bin && $toFmt == UUID::UUID_FMT_BIN || !$bin && $toFmt == UUID::UUID_FMT_STR) {
return $columnName;
} elseif (!$bin && !UUID::validUUID($columnName)) {
throw new RuntimeException('Column Name (' . $columnName . ') cannot be converted');
}
return UUID::convert($columnName, $toFmt);
}
/**
* Validates a field
* @param string $errorMsg custom error message for field validation error
* @return bool field validated correctly
*/
public static function check($value, $label, $typeDefs, &$errors)
{
if (empty($typeDefs)) {
return TRUE;
}
if (!is_array($typeDefs)) {
$typeDefs = array($typeDefs);
}
// normalise to real type defs if complex types found
self::typeExpander($typeDefs);
$error = FALSE;
$errorMsg = array();
foreach ($typeDefs as $type) {
if (preg_match('/=/', $type)) {
list($type, $args) = explode("=", $type);
}
if (!in_array($type, self::$primitive)) {
throw new RuntimeException("undefined type definition ({$type})");
}
// check for basic validator types
switch ($type) {
case 'notempty':
$error = empty($value);
if ($error) {
$errorMsg[] = "Field cannot be empty";
}
break;
case 'isempty':
// NULL is never allowed, just empty strings
$error = $value != '';
if ($error) {
$errorMsg[] = "Field must be empty";
}
break;
case 'email':
$error = !filter_var($value, FILTER_VALIDATE_EMAIL);
if ($error) {
$errorMsg[] = "Invalid email address";
}
break;
case 'url':
$error = !filter_var($value, FILTER_VALIDATE_URL);
if ($error) {
$errorMsg[] = "Invalid URL";
}
break;
case 'float':
$error = !is_float($value);
if ($error) {
$errorMsg[] = "Field error, expected " . $type;
}
break;
case 'int':
case 'numeric':
$error = !is_numeric($value);
if ($error) {
$errorMsg[] = "Field error, expected " . $type;
}
break;
case 'string':
$error = !is_string($value);
if ($error) {
$errorMsg[] = "Field error, expected " . $type;
}
break;
case 'bool':
$val = strtolower($value);
$boolVals = array('true', 'false', 't', 'f', '1', '0', 'y', 'n');
$error = !is_bool($value) && !in_array($val, $boolVals);
if ($error) {
$errorMsg[] = "Field error, expected " . $type;
}
break;
case 'maxlength':
if (empty($args)) {
throw new RuntimeException("type {$type} requires argument");
}
$error = strlen($value) > $args;
if ($error) {
$errorMsg[] = "Maximum length {$args} exceeded";
}
break;
case 'minlength':
if (empty($args)) {
throw new RuntimeException("type {$type} requires argument");
}
$error = strlen($value) < $args;
if ($error) {
$errorMsg[] = "Minimum length {$args} unmet";
}
break;
case 'enum':
if (empty($args)) {
throw new RuntimeException("type {$type} requires argument");
}
$enums = explode(",", $args);
$error = !in_array($value, $enums);
if ($error) {
$errorMsg[] = "Invalid Argument";
}
break;
case 'uuid':
$error = !UUID::validUUID($value);
if ($error) {
$errorMsg[] = "Invalid UUID (UUID String expected)";
}
break;
default:
throw new RuntimeException("Unhandled type definition ({$type})");
break;
}
}
if (!empty($errorMsg)) {
$errors[] = array($label => $errorMsg);
PandraLog::debug(array($label => $errorMsg));
}
return empty($errorMsg);
}
