new user-year reporting and data-type chooser (#3155)

src/Model/DateStatisticInterface.php

@@ -0,0 +1,30 @@
+<?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\Model;
+
+use App\Model\Statistic\StatisticDate;
+use DateTimeInterface;
+
+interface DateStatisticInterface
+{
+    /**
+     * For unified frontend access
+     *
+     * @return StatisticDate[]
+     */
+    public function getData(): array;
+
+    public function getByDateTime(DateTimeInterface $date): ?StatisticDate;
+
+    /**
+     * @return DateTimeInterface[]
+     */
+    public function getDateTimes(): array;
+}