use events for budget calculation (#2544)

src/Event/ProjectStatisticEvent.php

@@ -0,0 +1,29 @@
+<?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\Event;
+
+use App\Entity\Project;
+use App\Model\ProjectStatistic;
+
+final class ProjectStatisticEvent extends AbstractProjectEvent
+{
+    private $statistic;
+
+    public function __construct(Project $project, ProjectStatistic $statistic)
+    {
+        parent::__construct($project);
+        $this->statistic = $statistic;
+    }
+
+    public function getStatistic(): ProjectStatistic
+    {
+        return $this->statistic;
+    }
+}