function DateTimeFormatConstraintValidator::validate

File

core/modules/datetime/src/Plugin/Validation/Constraint/DateTimeFormatConstraintValidator.php, line 19

Class

DateTimeFormatConstraintValidator

Constraint validator for DateTime items to ensure the format is correct.

Namespace

Code

public function validate($item, Constraint $constraint) : void {
    
    /** @var \Drupal\datetime\Plugin\Field\FieldType\DateTimeItem $item */
    if (isset($item)) {
        $value = $item->getValue()['value'];
        if (!is_string($value)) {
            $this->context
                ->addViolation($constraint->badType);
        }
        else {
            $datetime_type = $item->getFieldDefinition()
                ->getSetting('datetime_type');
            $format = $datetime_type === DateTimeItem::DATETIME_TYPE_DATE ? DateTimeItemInterface::DATE_STORAGE_FORMAT : DateTimeItemInterface::DATETIME_STORAGE_FORMAT;
            $date = NULL;
            try {
                $date = DateTimePlus::createFromFormat($format, $value, new \DateTimeZone(DateTimeItemInterface::STORAGE_TIMEZONE));
            } catch (\InvalidArgumentException) {
                $this->context
                    ->addViolation($constraint->badFormat, [
                    '@value' => $value,
                    '@format' => $format,
                ]);
                return;
            } catch (\UnexpectedValueException) {
                $this->context
                    ->addViolation($constraint->badValue, [
                    '@value' => $value,
                    '@format' => $format,
                ]);
                return;
            }
            if ($date === NULL || $date->hasErrors()) {
                $this->context
                    ->addViolation($constraint->badFormat, [
                    '@value' => $value,
                    '@format' => $format,
                ]);
            }
        }
    }
}