1 files changed, 72 insertions, 0 deletions
diff --git a/apps/dav/lib/CalDAV/CalendarProvider.php b/apps/dav/lib/CalDAV/CalendarProvider.php
new file mode 100644
index 00000000000..30eb6ae4268
--- /dev/null
+++ b/apps/dav/lib/CalDAV/CalendarProvider.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Anna Larch <anna.larch@gmx.net>
+ *
+ * @author Anna Larch <anna.larch@gmx.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\CalDAV;
+
+use OCP\Calendar\ICalendarProvider;
+use OCP\IConfig;
+use OCP\IL10N;
+
+class CalendarProvider implements ICalendarProvider {
+
+	/** @var CalDavBackend */
+	private $calDavBackend;
+
+	/** @var IL10N */
+	private $l10n;
+
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(CalDavBackend $calDavBackend, IL10N $l10n, IConfig $config) {
+		$this->calDavBackend = $calDavBackend;
+		$this->l10n = $l10n;
+		$this->config = $config;
+	}
+
+	public function getCalendars(string $principalUri, array $calendarUris = []): array {
+		$calendarInfos = [];
+		if (empty($calendarUris)) {
+			$calendarInfos[] = $this->calDavBackend->getCalendarsForUser($principalUri);
+		} else {
+			foreach ($calendarUris as $calendarUri) {
+				$calendarInfos[] = $this->calDavBackend->getCalendarByUri($principalUri, $calendarUri);
+			}
+		}
+
+		$calendarInfos = array_filter($calendarInfos);
+
+		$iCalendars = [];
+		foreach ($calendarInfos as $calendarInfo) {
+			$calendar = new Calendar($this->calDavBackend, $calendarInfo, $this->l10n, $this->config);
+			$iCalendars[] = new CalendarImpl(
+				$calendar,
+				$calendarInfo,
+				$this->calDavBackend,
+			);
+		}
+		return $iCalendars;
+	}
+}