Add IManager::getCalendarsForPrincipal API

The Calendar app needs to access calendars of a given principal in the
back-end. The new calendar providers were not accessible for apps before
this patch. Now they can access the ICalendar objects on demand.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 12 insertions, 5 deletions

diff --git a/lib/private/Calendar/Manager.php b/lib/private/Calendar/Manager.php
index 3fa4b55d1ea..16e142264aa 100644
--- a/lib/private/Calendar/Manager.php
+++ b/lib/private/Calendar/Manager.php
@@ -167,15 +167,14 @@ class Manager implements IManager {
 		$this->calendarLoaders = [];
 	}
 
-	public function searchForPrincipal(ICalendarQuery $query): array {
+	public function getCalendarsForPrincipal(string $principalUri, array $calendarUris = []): array {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
 			return [];
 		}
 
-		/** @var CalendarQuery $query */
-		$calendars = array_merge(
-			...array_map(function ($registration) use ($query) {
+		return array_merge(
+			...array_map(function ($registration) use ($principalUri, $calendarUris) {
 				try {
 					/** @var ICalendarProvider $provider */
 					$provider = $this->container->get($registration->getService());
@@ -186,9 +185,17 @@ class Manager implements IManager {
 					return [];
 				}
 
-				return $provider->getCalendars($query->getPrincipalUri(), $query->getCalendarUris());
+				return $provider->getCalendars($principalUri, $calendarUris);
 			}, $context->getCalendarProviders())
 		);
+	}
+
+	public function searchForPrincipal(ICalendarQuery $query): array {
+		/** @var CalendarQuery $query */
+		$calendars = $this->getCalendarsForPrincipal(
+			$query->getPrincipalUri(),
+			$query->getCalendarUris(),
+		);
 
 		$results = [];
 		/** @var ICalendar $calendar */