Timesheet validator: prevent overbooking budgets (#2422)

src/Validator/Constraints/TimesheetBudgetUsedConstraint.php

@@ -0,0 +1,26 @@
+<?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 App\Validator\TimesheetBudgetUsedValidator;
+
+final class TimesheetBudgetUsedConstraint extends TimesheetConstraint
+{
+    public const BUDGET_SPENT = 'kimai-timesheet-budget-used-01';
+
+    // same messages, so we can re-use the validation translation!
+    public $messageRate = 'The budget is completely used.';
+    public $messageTime = 'The budget is completely used.';
+
+    public function validatedBy()
+    {
+        return TimesheetBudgetUsedValidator::class;
+    }
+}