protected function validateCollection(string $expectType, $values, \sndsgd\form\Validator $validator) : bool
{
if (!$this->hasRule(FieldInterface::REQUIRED) && (is_null($values) || is_array($values) && empty($values))) {
return false;
}
if (!is_array($values)) {
$validator->addError($this->getNestedName($validator->getOptions()->getNameDelimiter()), $this->getUnexpectedTypeMessage($expectType, $values));
return false;
}
# verify the parent field rules
# these should never have any impact on the values, but should be
# used to verify all given values are acceptable together
foreach ($this->rules as $rule) {
if (!$rule->validate($values, $validator)) {
$validator->addError($this->getNestedName($validator->getOptions()->getNameDelimiter()), $rule->getErrorMessage());
return false;
}
}
return true;
}
/**
* {@inheritdoc}
*/
public function validate($values, \sndsgd\form\Validator $validator)
{
if (is_array($values)) {
$len = count($values);
if ($len > 1) {
$validator->addError($this->getNestedName($validator->getOptions()->getNameDelimiter()), "expecting a single value; encountered {$len}");
return null;
}
$values = $values[0];
}
if (is_null($values) && !$this->hasRule(\sndsgd\form\rule\RequiredRule::class)) {
return $this->defaultValue;
}
foreach ($this->rules as $rule) {
if (!$rule->validate($values, $validator)) {
$validator->addError($this->getNestedName($validator->getOptions()->getNameDelimiter()), $rule->getErrorMessage());
return null;
}
}
return $values;
}