feat: hide caldav server settings if no app uses the caldav backend

Signed-off-by: Richard Steinmetz <richard@steinmetz.cloud>

2 files changed, 21 insertions, 1 deletions

diff --git a/lib/private/App/AppManager.php b/lib/private/App/AppManager.php
index 52a88a724ff..2f129ca77fa 100644
--- a/lib/private/App/AppManager.php
+++ b/lib/private/App/AppManager.php
@@ -875,4 +875,16 @@ class AppManager implements IAppManager {
 
 		$this->config->setSystemValue('defaultapp', join(',', $defaultApps));
 	}
+
+	public function isBackendRequired(string $backend): bool {
+		foreach ($this->appInfos as $appInfo) {
+			foreach ($appInfo['dependencies']['backend'] as $appBackend) {
+				if ($backend === $appBackend) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
 }
diff --git a/lib/private/App/InfoParser.php b/lib/private/App/InfoParser.php
index d29b1d6596d..54afd0069fb 100644
--- a/lib/private/App/InfoParser.php
+++ b/lib/private/App/InfoParser.php
@@ -113,6 +113,12 @@ class InfoParser {
 		if (!array_key_exists('personal-section', $array['settings'])) {
 			$array['settings']['personal-section'] = [];
 		}
+		if (!array_key_exists('dependencies', $array)) {
+			$array['dependencies'] = [];
+		}
+		if (!array_key_exists('backend', $array['dependencies'])) {
+			$array['dependencies']['backend'] = [];
+		}
 
 		if (array_key_exists('types', $array)) {
 			if (is_array($array['types'])) {
@@ -177,10 +183,12 @@ class InfoParser {
 		if (isset($array['settings']['personal-section']) && !is_array($array['settings']['personal-section'])) {
 			$array['settings']['personal-section'] = [$array['settings']['personal-section']];
 		}
-
 		if (isset($array['navigations']['navigation']) && $this->isNavigationItem($array['navigations']['navigation'])) {
 			$array['navigations']['navigation'] = [$array['navigations']['navigation']];
 		}
+		if (isset($array['dependencies']['backend']) && !is_array($array['dependencies']['backend'])) {
+			$array['dependencies']['backend'] = [$array['dependencies']['backend']];
+		}
 
 		if ($this->cache !== null) {
 			$this->cache->set($fileCacheKey, json_encode($array));