allow custom export repositories (#2182)

src/Export/ExportRepositoryInterface.php

@@ -0,0 +1,38 @@
+<?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\Export;
+
+use App\Repository\Query\ExportQuery;
+
+interface ExportRepositoryInterface
+{
+    /**
+     * This method will receive ALL exported items, loaded from all repositories.
+     * Be careful to only handle the ones, which belong to your repository.
+     *
+     * @param ExportItemInterface[] $items
+     * @return void
+     */
+    public function setExported(array $items): void;
+
+    /**
+     * @param ExportQuery $query
+     * @return ExportItemInterface[]
+     */
+    public function getExportItemsForQuery(ExportQuery $query): iterable;
+
+    /**
+     * Returns the type of this repository.
+     * Must match the value returned by your entities via ExportItemInterface::getType().
+     *
+     * @return string
+     */
+    public function getType(): string;
+}