1 files changed, 38 insertions, 0 deletions
diff --git a/vendor/sabre/dav/lib/CardDAV/Backend/AbstractBackend.php b/vendor/sabre/dav/lib/CardDAV/Backend/AbstractBackend.php
new file mode 100644
index 000000000..03d2346da
--- /dev/null
+++ b/vendor/sabre/dav/lib/CardDAV/Backend/AbstractBackend.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Sabre\CardDAV\Backend;
+
+/**
+ * CardDAV abstract Backend
+ *
+ * This class serves as a base-class for addressbook backends
+ *
+ * This class doesn't do much, but it was added for consistency.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+abstract class AbstractBackend implements BackendInterface {
+
+    /**
+     * Returns a list of cards.
+     *
+     * This method should work identical to getCard, but instead return all the
+     * cards in the list as an array.
+     *
+     * If the backend supports this, it may allow for some speed-ups.
+     *
+     * @param mixed $addressBookId
+     * @param array $uris
+     * @return array
+     */
+    function getMultipleCards($addressBookId, array $uris) {
+
+        return array_map(function($uri) use ($addressBookId) {
+            return $this->getCard($addressBookId, $uri);
+        }, $uris);
+
+    }
+
+}