new form type to select a daytime in system-configuration (#1895)

src/Validator/Constraints/TimeFormat.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+
+class TimeFormat extends Constraint
+{
+    public const INVALID_FORMAT = 'kimai-time-00';
+
+    protected static $errorNames = [
+        self::INVALID_FORMAT => 'The given value is not a valid time.',
+    ];
+
+    public $message = 'This time format is invalid.';
+
+    public function getTargets()
+    {
+        return self::PROPERTY_CONSTRAINT;
+    }
+}