/**
* Validate the fields for a given PRT node.
* @param array $errors the error so far. This array is added to and returned.
* @param array $fromform the submitted data to validate.
* @param string $prtname the name of the PRT to validate.
* @param string $nodekey the name of the node to validate.
* @return array the update $errors array.
*/
protected function validate_prt_node($errors, $fromform, $prtname, $nodekey, $fixingdollars)
{
$nodegroup = $prtname . 'node[' . $nodekey . ']';
$errors = $this->validate_cas_string($errors, $fromform[$prtname . 'sans'][$nodekey], $nodegroup, $prtname . 'sans' . $nodekey, 'sansrequired');
$errors = $this->validate_cas_string($errors, $fromform[$prtname . 'tans'][$nodekey], $nodegroup, $prtname . 'tans' . $nodekey, 'tansrequired');
$answertest = new stack_ans_test_controller($fromform[$prtname . 'answertest'][$nodekey]);
if ($answertest->required_atoptions()) {
$opt = trim($fromform[$prtname . 'testoptions'][$nodekey]);
if ('' === trim($opt)) {
$errors[$nodegroup][] = stack_string('testoptionsrequired');
} else {
if (strlen($opt > 255)) {
$errors[$nodegroup][] = stack_string('testoptionsinvalid', stack_string('strlengtherror'));
} else {
// TODO capture this for later execution.
list($valid, $message) = $answertest->validate_atoptions($opt);
if (!$valid) {
$errors[$nodegroup][] = stack_string('testoptionsinvalid', $message);
}
}
}
}
foreach (array('true', 'false') as $branch) {
$branchgroup = $prtname . 'nodewhen' . $branch . '[' . $nodekey . ']';
$score = $fromform[$prtname . $branch . 'score'][$nodekey];
if (!is_numeric($score) || $score < 0 || $score > 1) {
$errors[$branchgroup][] = stack_string('scoreerror');
}
$penalty = $fromform[$prtname . $branch . 'penalty'][$nodekey];
if ('' != $penalty && (!is_numeric($penalty) || $penalty < 0 || $penalty > 1)) {
$errors[$branchgroup][] = stack_string('penaltyerror2');
}
$answernote = $fromform[$prtname . $branch . 'answernote'][$nodekey];
if ('' == $answernote) {
$errors[$branchgroup][] = stack_string('answernoterequired');
} else {
if (strstr($answernote, '|') !== false) {
$errors[$branchgroup][] = stack_string('answernote_err');
foreach ($fromform[$prtname . $branch . 'answernote'] as $key => $strin) {
if ('' == trim($strin)) {
$interror[$prtname . 'nodewhen' . $branch . '[' . $key . ']'][] = stack_string('answernoterequired');
} else {
if (strstr($strin, '|') !== false) {
$nodename = $key + 1;
$interror[$prtname . 'nodewhen' . $branch . '[' . $key . ']'][] = stack_string('answernote_err');
}
}
}
}
}
$errors = $this->validate_cas_text($errors, $fromform[$prtname . $branch . 'feedback'][$nodekey]['text'], $prtname . $branch . 'feedback[' . $nodekey . ']', $fixingdollars);
}
return $errors;
}
