Deduplicate the arrays before the queries

Signed-off-by: Joas Schilling <[email protected]>

Author: nickvergessen

lib/Push.php

@@ -136,6 +136,7 @@ public function flushPayloads(): void {
 		$this->deferPreparing = false;
 
 		if (!empty($this->loadDevicesForUsers)) {
+			$this->loadDevicesForUsers = array_unique($this->loadDevicesForUsers);
 			$missingDevicesFor = array_diff($this->loadDevicesForUsers, array_keys($this->userDevices));
 			$newUserDevices = $this->getDevicesForUsers($missingDevicesFor);
 			foreach ($missingDevicesFor as $userId) {
@@ -145,6 +146,7 @@ public function flushPayloads(): void {
 		}
 
 		if (!empty($this->loadStatusForUsers)) {
+			$this->loadStatusForUsers = array_unique($this->loadStatusForUsers);
 			$missingStatusFor = array_diff($this->loadStatusForUsers, array_keys($this->userStatuses));
 			$newUserStatuses = $this->userStatusManager->getUserStatuses($missingStatusFor);
 			foreach ($missingStatusFor as $userId) {