fix(user_status): Avoid unique constraint violations from parallel heartbeats and GET requests

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

apps/user_status/lib/Service/StatusService.php

@@ -167,7 +167,7 @@ public function setStatus(string $userId,
 		$userStatus->setIsBackup(false);
 
 		if ($userStatus->getId() === null) {
-			return $this->mapper->insert($userStatus);
+			return $this->insertWithoutThrowingUniqueConstrain($userStatus);
 		}
 
 		return $this->mapper->update($userStatus);
@@ -211,7 +211,7 @@ public function setPredefinedMessage(string $userId,
 		$userStatus->setStatusMessageTimestamp($this->timeFactory->now()->getTimestamp());
 
 		if ($userStatus->getId() === null) {
-			return $this->mapper->insert($userStatus);
+			return $this->insertWithoutThrowingUniqueConstrain($userStatus);
 		}
 
 		return $this->mapper->update($userStatus);
@@ -313,7 +313,7 @@ public function setUserStatus(string $userId,
 		if ($userStatus->getId() !== null) {
 			return $this->mapper->update($userStatus);
 		}
-		return $this->mapper->insert($userStatus);
+		return $this->insertWithoutThrowingUniqueConstrain($userStatus);
 	}
 
 	/**
@@ -360,7 +360,7 @@ public function setCustomMessage(string $userId,
 		$userStatus->setStatusMessageTimestamp($this->timeFactory->now()->getTimestamp());
 
 		if ($userStatus->getId() === null) {
-			return $this->mapper->insert($userStatus);
+			return $this->insertWithoutThrowingUniqueConstrain($userStatus);
 		}
 
 		return $this->mapper->update($userStatus);
@@ -584,4 +584,16 @@ public function revertMultipleUserStatus(array $userIds, string $messageId): voi
 		// For users that matched restore the previous status
 		$this->mapper->restoreBackupStatuses($restoreIds);
 	}
+
+	protected function insertWithoutThrowingUniqueConstrain(UserStatus $userStatus): UserStatus {
+		try {
+			return $this->mapper->insert($userStatus);
+		} catch (Exception $e) {
+			// Ignore if a parallel request already set the status
+			if ($e->getReason() !== Exception::REASON_UNIQUE_CONSTRAINT_VIOLATION) {
+				throw $e;
+			}
+		}
+		return $userStatus;
+	}
 }