Switch from OC::$server->get to OCP\Server::get

And add a bit more typing to some classes + psalm issues

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

lib/Activity/ActivityManager.php

@@ -45,7 +45,9 @@ use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\AppFramework\Db\MultipleObjectsReturnedException;
 use OCP\Comments\IComment;
 use OCP\IUser;
+use OCP\Server;
 use OCP\L10N\IFactory;
+use Psr\Log\LoggerInterface;
 
 class ActivityManager {
 	public const DECK_NOAUTHOR_COMMENT_SYSTEM_ENFORCED = 'DECK_NOAUTHOR_COMMENT_SYSTEM_ENFORCED';
@@ -53,14 +55,14 @@ class ActivityManager {
 	public const SUBJECT_PARAMS_MAX_LENGTH = 4000;
 	public const SHORTENED_DESCRIPTION_MAX_LENGTH = 2000;
 
-	private $manager;
-	private $userId;
-	private $permissionService;
-	private $boardMapper;
-	private $cardMapper;
-	private $aclMapper;
-	private $stackMapper;
-	private $l10nFactory;
+	private IManager $manager;
+	private ?string $userId;
+	private PermissionService $permissionService;
+	private BoardMapper $boardMapper;
+	private CardMapper $cardMapper;
+	private AclMapper $aclMapper;
+	private StackMapper $stackMapper;
+	private IFactory $l10nFactory;
 
 	public const DECK_OBJECT_BOARD = 'deck_board';
 	public const DECK_OBJECT_CARD = 'deck_card';
@@ -114,7 +116,7 @@ class ActivityManager {
 		StackMapper $stackMapper,
 		AclMapper $aclMapper,
 		IFactory $l10nFactory,
-		$userId
+		?string $userId
 	) {
 		$this->manager = $manager;
 		$this->permissionService = $permissionsService;
@@ -310,10 +312,10 @@ class ActivityManager {
 		try {
 			$object = $this->findObjectForEntity($objectType, $entity);
 		} catch (DoesNotExistException $e) {
-			\OC::$server->getLogger()->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
+			Server::get(LoggerInterface::class)->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
 			return null;
 		} catch (MultipleObjectsReturnedException $e) {
-			\OC::$server->getLogger()->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
+			Server::get(LoggerInterface::class)->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
 			return null;
 		}
 

lib/AppInfo/Application.php

@@ -36,6 +36,7 @@ use OCA\Deck\Db\AclMapper;
 use OCA\Deck\Db\AssignmentMapper;
 use OCA\Deck\Db\BoardMapper;
 use OCA\Deck\Db\CardMapper;
+use OCA\Deck\Db\User;
 use OCA\Deck\Event\AclCreatedEvent;
 use OCA\Deck\Event\AclDeletedEvent;
 use OCA\Deck\Event\AclUpdatedEvent;
@@ -62,15 +63,16 @@ use OCP\Comments\CommentsEntityEvent;
 use OCP\Comments\ICommentsManager;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Group\Events\GroupDeletedEvent;
 use OCP\IConfig;
 use OCP\IDBConnection;
-use OCP\IGroup;
 use OCP\IGroupManager;
-use OCP\IServerContainer;
-use OCP\IUser;
+use OCP\IRequest;
+use OCP\Server;
 use OCP\IUserManager;
 use OCP\Notification\IManager as NotificationManager;
 use OCP\Share\IManager;
+use OCP\User\Events\UserDeletedEvent;
 use OCP\Util;
 use Psr\Container\ContainerInterface;
 
@@ -79,13 +81,8 @@ class Application extends App implements IBootstrap {
 
 	public const COMMENT_ENTITY_TYPE = 'deckCard';
 
-	/** @var IServerContainer */
-	private $server;
-
 	public function __construct(array $urlParams = []) {
 		parent::__construct(self::APP_ID, $urlParams);
-
-		$this->server = \OC::$server;
 	}
 
 	public function boot(IBootContext $context): void {
@@ -141,33 +138,43 @@ class Application extends App implements IBootstrap {
 
 	private function registerUserGroupHooks(IUserManager $userManager, IGroupManager $groupManager): void {
 		$container = $this->getContainer();
+		/** @var IEventDispatcher $eventDispatcher */
+		$eventDispatcher = $container->get(IEventDispatcher::class);
 		// Delete user/group acl entries when they get deleted
-		$userManager->listen('\OC\User', 'postDelete', static function (IUser $user) use ($container) {
+		$eventDispatcher->addListener(UserDeletedEvent::class, static function (Event $event) use ($container): void {
+			if (!($event instanceof UserDeletedEvent)) {
+				return;
+			}
+			$user = $event->getUser();
 			// delete existing acl entries for deleted user
 			/** @var AclMapper $aclMapper */
-			$aclMapper = $container->query(AclMapper::class);
+			$aclMapper = $container->get(AclMapper::class);
 			$acls = $aclMapper->findByParticipant(Acl::PERMISSION_TYPE_USER, $user->getUID());
 			foreach ($acls as $acl) {
 				$aclMapper->delete($acl);
 			}
 			// delete existing user assignments
-			$assignmentMapper = $container->query(AssignmentMapper::class);
+			$assignmentMapper = $container->get(AssignmentMapper::class);
 			$assignments = $assignmentMapper->findByParticipant($user->getUID());
 			foreach ($assignments as $assignment) {
 				$assignmentMapper->delete($assignment);
 			}
 
 			/** @var BoardMapper $boardMapper */
-			$boardMapper = $container->query(BoardMapper::class);
+			$boardMapper = $container->get(BoardMapper::class);
 			$boards = $boardMapper->findAllByOwner($user->getUID());
 			foreach ($boards as $board) {
 				$boardMapper->delete($board);
 			}
 		});
 
-		$groupManager->listen('\OC\Group', 'postDelete', static function (IGroup $group) use ($container) {
+		$eventDispatcher->addListener(GroupDeletedEvent::class, static function (Event $event) use ($container): void {
+			if (!($event instanceof GroupDeletedEvent)) {
+				return;
+			}
+			$group = $event->getGroup();
 			/** @var AclMapper $aclMapper */
-			$aclMapper = $container->query(AclMapper::class);
+			$aclMapper = $container->get(AclMapper::class);
 			$aclMapper->findByParticipant(Acl::PERMISSION_TYPE_GROUP, $group->getGID());
 			$acls = $aclMapper->findByParticipant(Acl::PERMISSION_TYPE_GROUP, $group->getGID());
 			foreach ($acls as $acl) {
@@ -181,6 +188,7 @@ class Application extends App implements IBootstrap {
 			$event->addEntityCollection(self::COMMENT_ENTITY_TYPE, function ($name) {
 				/** @var CardMapper */
 				$cardMapper = $this->getContainer()->get(CardMapper::class);
+				/** @var PermissionService $permissionService */
 				$permissionService = $this->getContainer()->get(PermissionService::class);
 
 				try {
@@ -203,7 +211,7 @@ class Application extends App implements IBootstrap {
 		$resourceManager->registerResourceProvider(ResourceProviderCard::class);
 
 		$symfonyAdapter->addListener('\OCP\Collaboration\Resources::loadAdditionalScripts', static function () {
-			if (strpos(\OC::$server->getRequest()->getPathInfo(), '/call/') === 0) {
+			if (strpos(Server::get(IRequest::class)->getPathInfo(), '/call/') === 0) {
 				// Talk integration has its own entrypoint which already includes collections handling
 				return;
 			}

lib/Collaboration/Resources/ResourceProvider.php

@@ -32,20 +32,23 @@ use OCP\AppFramework\QueryException;
 use OCP\Collaboration\Resources\IManager;
 use OCP\Collaboration\Resources\IProvider;
 use OCP\Collaboration\Resources\IResource;
+use OCP\IURLGenerator;
 use OCP\IUser;
+use OCP\Server;
 
 class ResourceProvider implements IProvider {
 	public const RESOURCE_TYPE = 'deck';
 
-	private $boardMapper;
-	private $permissionService;
+	private BoardMapper $boardMapper;
+	private PermissionService $permissionService;
+	private IURLGenerator $urlGenerator;
 
-	/** @var array */
-	protected $nodes = [];
+	protected array $nodes = [];
 
-	public function __construct(BoardMapper $boardMapper, PermissionService $permissionService) {
+	public function __construct(BoardMapper $boardMapper, PermissionService $permissionService, IURLGenerator $urlGenerator) {
 		$this->boardMapper = $boardMapper;
 		$this->permissionService = $permissionService;
+		$this->urlGenerator = $urlGenerator;
 	}
 
 	/**
@@ -70,14 +73,14 @@ class ResourceProvider implements IProvider {
 	 */
 	public function getResourceRichObject(IResource $resource): array {
 		$board = $this->getBoard($resource);
-		$link = \OC::$server->getURLGenerator()->linkToRoute('deck.page.index') . '#/board/' . $resource->getId();
+		$link = $this->urlGenerator->linkToRoute('deck.page.index') . '#/board/' . $resource->getId();
 
 		return [
 			'type' => self::RESOURCE_TYPE,
 			'id' => $resource->getId(),
 			'name' => $board->getTitle(),
 			'link' => $link,
-			'iconUrl' => \OC::$server->getURLGenerator()->imagePath('deck', 'deck-dark.svg')
+			'iconUrl' => $this->urlGenerator->imagePath('deck', 'deck-dark.svg')
 		];
 	}
 
@@ -118,7 +121,7 @@ class ResourceProvider implements IProvider {
 	public function invalidateAccessCache($boardId = null) {
 		try {
 			/** @var IManager $resourceManager */
-			$resourceManager = \OC::$server->query(IManager::class);
+			$resourceManager = Server::get(IManager::class);
 		} catch (QueryException $e) {
 		}
 		if ($boardId !== null) {

lib/Collaboration/Resources/ResourceProviderCard.php

@@ -37,24 +37,16 @@ use OCP\Collaboration\Resources\IResource;
 use OCP\Collaboration\Resources\ResourceException;
 use OCP\IURLGenerator;
 use OCP\IUser;
+use OCP\Server;
 
 class ResourceProviderCard implements IProvider {
 	public const RESOURCE_TYPE = 'deck-card';
 
-	/** @var CardMapper */
-	private $cardMapper;
-
-	/** @var BoardMapper */
-	private $boardMapper;
-
-	/** @var PermissionService */
-	private $permissionService;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/** @var array */
-	protected $nodes = [];
+	private CardMapper $cardMapper;
+	private BoardMapper $boardMapper;
+	private PermissionService $permissionService;
+	private IURLGenerator $urlGenerator;
+	protected array $nodes = [];
 
 	public function __construct(CardMapper $cardMapper, BoardMapper $boardMapper, PermissionService $permissionService, IURLGenerator $urlGenerator) {
 		$this->cardMapper = $cardMapper;
@@ -147,7 +139,7 @@ class ResourceProviderCard implements IProvider {
 	public function invalidateAccessCache($cardId = null) {
 		try {
 			/** @var IManager $resourceManager */
-			$resourceManager = \OC::$server->query(IManager::class);
+			$resourceManager = Server::get(IManager::class);
 		} catch (QueryException $e) {
 		}
 		if ($cardId !== null) {

lib/Command/BoardImport.php

@@ -30,8 +30,7 @@ use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
 class BoardImport extends Command {
-	/** @var BoardImportCommandService */
-	private $boardImportCommandService;
+	private BoardImportCommandService $boardImportCommandService;
 
 	public function __construct(
 		BoardImportCommandService $boardImportCommandService

lib/Controller/PageController.php

@@ -30,6 +30,7 @@ use OCA\Files\Event\LoadSidebar;
 use OCA\Viewer\Event\LoadViewer;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\IConfig;
 use OCP\IInitialStateService;
 use OCP\IRequest;
 use OCP\AppFramework\Http\TemplateResponse;
@@ -41,16 +42,17 @@ use OCA\Deck\Db\Acl;
 use OCA\Deck\Service\CardService;
 
 class PageController extends Controller {
-	private $permissionService;
-	private $initialState;
-	private $configService;
-	private $eventDispatcher;
-	private $cardMapper;
-	private $urlGenerator;
-	private $cardService;
+	private PermissionService $permissionService;
+	private IInitialStateService $initialState;
+	private ConfigService $configService;
+	private IEventDispatcher $eventDispatcher;
+	private CardMapper $cardMapper;
+	private IURLGenerator $urlGenerator;
+	private CardService $cardService;
+	private IConfig $config;
 
 	public function __construct(
-		$AppName,
+		string $AppName,
 		IRequest $request,
 		PermissionService $permissionService,
 		IInitialStateService $initialStateService,
@@ -58,7 +60,8 @@ class PageController extends Controller {
 		IEventDispatcher $eventDispatcher,
 		CardMapper $cardMapper,
 		IURLGenerator $urlGenerator,
-		CardService $cardService
+		CardService $cardService,
+		IConfig $config
 		) {
 		parent::__construct($AppName, $request);
 
@@ -69,6 +72,7 @@ class PageController extends Controller {
 		$this->cardMapper = $cardMapper;
 		$this->urlGenerator = $urlGenerator;
 		$this->cardService = $cardService;
+		$this->config = $config;
 	}
 
 	/**
@@ -90,7 +94,7 @@ class PageController extends Controller {
 
 		$response = new TemplateResponse('deck', 'main');
 
-		if (\OC::$server->getConfig()->getSystemValueBool('debug', false)) {
+		if ($this->config->getSystemValueBool('debug', false)) {
 			$csp = new ContentSecurityPolicy();
 			$csp->addAllowedConnectDomain('*');
 			$csp->addAllowedScriptDomain('*');

lib/Db/AclMapper.php

@@ -53,11 +53,12 @@ class AclMapper extends DeckMapper implements IPermissionMapper {
 
 	/**
 	 * @param numeric $userId
-	 * @param numeric $aclId
+	 * @param numeric $id
 	 * @return bool
 	 * @throws \OCP\DB\Exception
 	 */
-	public function isOwner($userId, $aclId): bool {
+	public function isOwner($userId, $id): bool {
+		$aclId = $id;
 		$qb = $this->db->getQueryBuilder();
 		$qb->select('acl.id')
 			->from($this->getTableName(), 'acl')

lib/Db/AssignmentMapper.php

@@ -77,8 +77,8 @@ class AssignmentMapper extends QBMapper implements IPermissionMapper {
 	}
 
 
-	public function isOwner($userId, $cardId): bool {
-		return $this->cardMapper->isOwner($userId, $cardId);
+	public function isOwner($userId, $id): bool {
+		return $this->cardMapper->isOwner($userId, $id);
 	}
 
 	public function findBoardId($id): ?int {

lib/Db/BoardMapper.php

@@ -42,9 +42,9 @@ class BoardMapper extends QBMapper implements IPermissionMapper {
 	private $circlesService;
 	private $logger;
 
-	/** @var CappedMemoryCache */
+	/** @var CappedMemoryCache<Board[]> */
 	private $userBoardCache;
-	/** @var CappedMemoryCache */
+	/** @var CappedMemoryCache<Board> */
 	private $boardCache;
 
 	public function __construct(
@@ -131,14 +131,9 @@ class BoardMapper extends QBMapper implements IPermissionMapper {
 
 	/**
 	 * Find all boards for a given user
-	 *
-	 * @param $userId
-	 * @param null $limit
-	 * @param null $offset
-	 * @return array
 	 */
 	public function findAllByUser(string $userId, ?int $limit = null, ?int $offset = null, ?int $since = null,
-								  bool $includeArchived = true, ?int $before = null, ?string $term = null) {
+								  bool $includeArchived = true, ?int $before = null, ?string $term = null): array {
 		// FIXME this used to be a UNION to get boards owned by $userId and the user shares in one single query
 		// Is it possible with the query builder?
 		$qb = $this->db->getQueryBuilder();
@@ -247,15 +242,9 @@ class BoardMapper extends QBMapper implements IPermissionMapper {
 
 	/**
 	 * Find all boards for a given user
-	 *
-	 * @param $userId
-	 * @param $groups
-	 * @param null $limit
-	 * @param null $offset
-	 * @return array
 	 */
 	public function findAllByGroups(string $userId, array $groups, ?int $limit = null, ?int $offset = null, ?int $since = null,
-									bool $includeArchived = true, ?int $before = null, ?string $term = null) {
+									bool $includeArchived = true, ?int $before = null, ?string $term = null): array {
 		if (count($groups) <= 0) {
 			return [];
 		}
@@ -414,8 +403,8 @@ class BoardMapper extends QBMapper implements IPermissionMapper {
 		return parent::delete($entity);
 	}
 
-	public function isOwner($userId, $boardId): bool {
-		$board = $this->find($boardId);
+	public function isOwner($userId, $id): bool {
+		$board = $this->find($id);
 		return ($board->getOwner() === $userId);
 	}
 

lib/Db/CardMapper.php

@@ -563,10 +563,10 @@ class CardMapper extends QBMapper implements IPermissionMapper {
 		$qb->execute();
 	}
 
-	public function isOwner($userId, $cardId): bool {
+	public function isOwner($userId, $id): bool {
 		$sql = 'SELECT owner FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_stacks` WHERE id IN (SELECT stack_id FROM `*PREFIX*deck_cards` WHERE id = ?))';
 		$stmt = $this->db->prepare($sql);
-		$stmt->bindParam(1, $cardId, \PDO::PARAM_INT, 0);
+		$stmt->bindParam(1, $id, \PDO::PARAM_INT, 0);
 		$stmt->execute();
 		$row = $stmt->fetch();
 		return ($row['owner'] === $userId);

lib/Db/ChangeHelper.php

@@ -24,6 +24,7 @@
 namespace OCA\Deck\Db;
 
 use OCP\ICacheFactory;
+use OCP\ICache;
 use OCP\IDBConnection;
 use OCP\IRequest;
 
@@ -31,13 +32,16 @@ class ChangeHelper {
 	public const TYPE_BOARD = 'boardChanged';
 	public const TYPE_CARD = 'cardChanged';
 
-	private $db;
+	private IDBConnection $db;
+	private ICache $cache;
+	private IRequest $request;
+	private ?string $userId;
 
 	public function __construct(
 		IDBConnection $db,
 		ICacheFactory $cacheFactory,
 		IRequest $request,
-		$userId
+		?string $userId
 	) {
 		$this->db = $db;
 		$this->cache = $cacheFactory->createDistributed('deck_changes');

lib/Db/StackMapper.php

@@ -129,12 +129,12 @@ class StackMapper extends DeckMapper implements IPermissionMapper {
 	 * @return bool
 	 * @throws \OCP\DB\Exception
 	 */
-	public function isOwner($userId, $stackId): bool {
+	public function isOwner($userId, $id): bool {
 		$qb = $this->db->getQueryBuilder();
 		$qb->select('s.id')
 			->from($this->getTableName(), 's')
 			->innerJoin('s', 'deck_boards', 'b', 'b.id = s.board_id')
-			->where($qb->expr()->eq('s.id', $qb->createNamedParameter($stackId, IQueryBuilder::PARAM_INT)))
+			->where($qb->expr()->eq('s.id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT)))
 			->andWhere($qb->expr()->eq('owner', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR)));
 
 		return count($qb->executeQuery()->fetchAll()) > 0;

lib/Notification/Notifier.php

@@ -114,7 +114,7 @@ class Notifier implements INotifier {
 					$dn = $params[2];
 				}
 				$notification->setParsedSubject(
-					(string) $l->t('The card "%s" on "%s" has been assigned to you by %s.', [$params[0], $params[1], $dn])
+					$l->t('The card "%s" on "%s" has been assigned to you by %s.', [$params[0], $params[1], $dn])
 				);
 				$notification->setRichSubject(
 					$l->t('{user} has assigned the card {deck-card} on {deck-board} to you.'),
@@ -151,7 +151,7 @@ class Notifier implements INotifier {
 				}
 
 				$notification->setParsedSubject(
-					(string) $l->t('The card "%s" on "%s" has reached its due date.', $params)
+					$l->t('The card "%s" on "%s" has reached its due date.', $params)
 				);
 				$notification->setRichSubject(
 					$l->t('The card {deck-card} on {deck-board} has reached its due date.'),
@@ -189,7 +189,7 @@ class Notifier implements INotifier {
 					$dn = $params[2];
 				}
 				$notification->setParsedSubject(
-					(string) $l->t('%s has mentioned you in a comment on "%s".', [$dn, $params[0]])
+					$l->t('%s has mentioned you in a comment on "%s".', [$dn, $params[0]])
 				);
 				$notification->setRichSubject(
 					$l->t('{user} has mentioned you in a comment on {deck-card}.'),
@@ -226,7 +226,7 @@ class Notifier implements INotifier {
 					$dn = $params[1];
 				}
 				$notification->setParsedSubject(
-					(string) $l->t('The board "%s" has been shared with you by %s.', [$params[0], $dn])
+					$l->t('The board "%s" has been shared with you by %s.', [$params[0], $dn])
 				);
 				$notification->setRichSubject(
 					$l->t('{user} has shared {deck-board} with you.'),

lib/Provider/DeckProvider.php

@@ -54,22 +54,11 @@ use OCP\IURLGenerator;
 class DeckProvider implements IFullTextSearchProvider {
 	public const DECK_PROVIDER_ID = 'deck';
 
-
-	/** @var IL10N */
-	private $l10n;
-
-	/** @var IUrlGenerator */
-	private $urlGenerator;
-
-	/** @var FullTextSearchService */
-	private $fullTextSearchService;
-
-
-	/** @var IRunner */
-	private $runner;
-
-	/** @var IIndexOptions */
-	private $indexOptions = [];
+	private IL10N $l10n;
+	private IUrlGenerator $urlGenerator;
+	private FullTextSearchService $fullTextSearchService;
+	private ?IRunner $runner = null;
+	private ?IIndexOptions $indexOptions = null;
 
 
 	/**

lib/Service/BoardService.php

@@ -24,7 +24,6 @@
 
 namespace OCA\Deck\Service;
 
-use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
 use OCA\Deck\Activity\ActivityManager;
 use OCA\Deck\Activity\ChangeSet;
 use OCA\Deck\AppInfo\Application;
@@ -45,37 +44,38 @@ use OCA\Deck\Notification\NotificationHelper;
 use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IConfig;
+use OCP\IDBConnection;
 use OCP\IGroupManager;
 use OCP\IL10N;
+use OCP\DB\Exception as DbException;
 use OCA\Deck\Db\Board;
 use OCA\Deck\Db\BoardMapper;
 use OCA\Deck\Db\LabelMapper;
 use OCP\IUserManager;
 use OCA\Deck\BadRequestException;
 use OCP\IURLGenerator;
+use OCP\Server;
 
 class BoardService {
-	private $boardMapper;
-	private $stackMapper;
-	private $labelMapper;
-	private $aclMapper;
-	/** @var IConfig */
-	private $config;
-	private $l10n;
-	private $permissionService;
-	private $notificationHelper;
-	private $assignedUsersMapper;
-	private $userManager;
-	private $groupManager;
-	private $userId;
-	private $activityManager;
-	private $eventDispatcher;
-	private $changeHelper;
-	private $cardMapper;
-
-	private $boardsCache = null;
-	private $urlGenerator;
-
+	private BoardMapper $boardMapper;
+	private StackMapper $stackMapper;
+	private LabelMapper $labelMapper;
+	private AclMapper $aclMapper;
+	private IConfig $config;
+	private IL10N $l10n;
+	private PermissionService $permissionService;
+	private NotificationHelper $notificationHelper;
+	private AssignmentMapper $assignedUsersMapper;
+	private IUserManager $userManager;
+	private IGroupManager $groupManager;
+	private ?string $userId;
+	private ActivityManager $activityManager;
+	private IEventDispatcher $eventDispatcher;
+	private ChangeHelper $changeHelper;
+	private CardMapper $cardMapper;
+	private ?array $boardsCache = null;
+	private IURLGenerator $urlGenerator;
+	private IDBConnection $connection;
 
 	public function __construct(
 		BoardMapper $boardMapper,
@@ -94,7 +94,8 @@ class BoardService {
 		IEventDispatcher $eventDispatcher,
 		ChangeHelper $changeHelper,
 		IURLGenerator $urlGenerator,
-		$userId
+		IDBConnection $connection,
+		?string $userId
 	) {
 		$this->boardMapper = $boardMapper;
 		$this->stackMapper = $stackMapper;
@@ -113,6 +114,7 @@ class BoardService {
 		$this->userId = $userId;
 		$this->urlGenerator = $urlGenerator;
 		$this->cardMapper = $cardMapper;
+		$this->connection = $connection;
 	}
 
 	/**
@@ -534,7 +536,7 @@ class BoardService {
 
 		// TODO: use the dispatched event for this
 		try {
-			$resourceProvider = \OC::$server->query(\OCA\Deck\Collaboration\Resources\ResourceProvider::class);
+			$resourceProvider = Server::get(\OCA\Deck\Collaboration\Resources\ResourceProvider::class);
 			$resourceProvider->invalidateAccessCache($boardId);
 		} catch (\Exception $e) {
 		}
@@ -590,18 +592,12 @@ class BoardService {
 	}
 
 	/**
-	 * @param $id
-	 * @return \OCP\AppFramework\Db\Entity
 	 * @throws DoesNotExistException
 	 * @throws \OCA\Deck\NoPermissionException
 	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
 	 * @throws BadRequestException
 	 */
-	public function deleteAcl($id) {
-		if (is_numeric($id) === false) {
-			throw new BadRequestException('id must be a number');
-		}
-
+	public function deleteAcl(int $id): bool {
 		$this->permissionService->checkPermission($this->aclMapper, $id, Acl::PERMISSION_SHARE);
 		/** @var Acl $acl */
 		$acl = $this->aclMapper->find($id);
@@ -620,7 +616,7 @@ class BoardService {
 		$version = \OCP\Util::getVersion()[0];
 		if ($version >= 16) {
 			try {
-				$resourceProvider = \OC::$server->query(\OCA\Deck\Collaboration\Resources\ResourceProvider::class);
+				$resourceProvider = Server::get(\OCA\Deck\Collaboration\Resources\ResourceProvider::class);
 				$resourceProvider->invalidateAccessCache($acl->getBoardId());
 			} catch (\Exception $e) {
 			}
@@ -681,7 +677,7 @@ class BoardService {
 	}
 
 	public function transferBoardOwnership(int $boardId, string $newOwner, bool $changeContent = false): Board {
-		\OC::$server->getDatabaseConnection()->beginTransaction();
+		$this->connection->beginTransaction();
 		try {
 			$board = $this->boardMapper->find($boardId);
 			$previousOwner = $board->getOwner();
@@ -690,7 +686,10 @@ class BoardService {
 			if (!$changeContent) {
 				try {
 					$this->addAcl($boardId, Acl::PERMISSION_TYPE_USER, $previousOwner, true, true, true);
-				} catch (UniqueConstraintViolationException $e) {
+				} catch (DbException $e) {
+					if ($e->getReason() !== DbException::REASON_UNIQUE_CONSTRAINT_VIOLATION) {
+						throw $e;
+					}
 				}
 			}
 			$this->boardMapper->transferOwnership($previousOwner, $newOwner, $boardId);
@@ -700,10 +699,10 @@ class BoardService {
 				$this->assignedUsersMapper->remapAssignedUser($boardId, $previousOwner, $newOwner);
 				$this->cardMapper->remapCardOwner($boardId, $previousOwner, $newOwner);
 			}
-			\OC::$server->getDatabaseConnection()->commit();
+			$this->connection->commit();
 			return $this->boardMapper->find($boardId);
 		} catch (\Throwable $e) {
-			\OC::$server->getDatabaseConnection()->rollBack();
+			$this->connection->rollBack();
 			throw $e;
 		}
 	}

lib/Service/CardService.php

@@ -45,26 +45,30 @@ use OCA\Deck\StatusException;
 use OCA\Deck\BadRequestException;
 use OCP\Comments\ICommentsManager;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\IRequest;
 use OCP\IUserManager;
 use OCP\IURLGenerator;
+use Psr\Log\LoggerInterface;
 
 class CardService {
-	private $cardMapper;
-	private $stackMapper;
-	private $boardMapper;
-	private $labelMapper;
-	private $permissionService;
-	private $boardService;
-	private $notificationHelper;
-	private $assignedUsersMapper;
-	private $attachmentService;
-	private $currentUser;
-	private $activityManager;
-	private $commentsManager;
-	private $changeHelper;
-	private $eventDispatcher;
-	private $userManager;
-	private $urlGenerator;
+	private CardMapper $cardMapper;
+	private StackMapper $stackMapper;
+	private BoardMapper $boardMapper;
+	private LabelMapper $labelMapper;
+	private PermissionService $permissionService;
+	private BoardService $boardService;
+	private NotificationHelper $notificationHelper;
+	private AssignmentMapper $assignedUsersMapper;
+	private AttachmentService $attachmentService;
+	private ?string $currentUser;
+	private ActivityManager $activityManager;
+	private ICommentsManager $commentsManager;
+	private ChangeHelper $changeHelper;
+	private IEventDispatcher $eventDispatcher;
+	private IUserManager $userManager;
+	private IURLGenerator $urlGenerator;
+	private LoggerInterface $logger;
+	private IRequest $request;
 
 	public function __construct(
 		CardMapper $cardMapper,
@@ -82,7 +86,9 @@ class CardService {
 		ChangeHelper $changeHelper,
 		IEventDispatcher $eventDispatcher,
 		IURLGenerator $urlGenerator,
-		$userId
+		LoggerInterface $logger,
+		IRequest $request,
+		?string $userId
 	) {
 		$this->cardMapper = $cardMapper;
 		$this->stackMapper = $stackMapper;
@@ -100,6 +106,8 @@ class CardService {
 		$this->eventDispatcher = $eventDispatcher;
 		$this->currentUser = $userId;
 		$this->urlGenerator = $urlGenerator;
+		$this->logger = $logger;
+		$this->request = $request;
 	}
 
 	public function enrich($card) {
@@ -131,23 +139,18 @@ class CardService {
 	}
 
 	/**
-	 * @param $cardId
 	 * @return \OCA\Deck\Db\RelationalEntity
 	 * @throws \OCA\Deck\NoPermissionException
 	 * @throws \OCP\AppFramework\Db\DoesNotExistException
 	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
 	 * @throws BadRequestException
 	 */
-	public function find($cardId) {
-		if (is_numeric($cardId) === false) {
-			throw new BadRequestException('card id must be a number');
-		}
-
+	public function find(int $cardId) {
 		$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_READ);
 		$card = $this->cardMapper->find($cardId);
 		$assignedUsers = $this->assignedUsersMapper->findAll($card->getId());
 		$attachments = $this->attachmentService->findAll($cardId, true);
-		if (\OC::$server->getRequest()->getParam('apiVersion') === '1.0') {
+		if ($this->request->getParam('apiVersion') === '1.0') {
 			$attachments = array_filter($attachments, function ($attachment) {
 				return $attachment->getType() === 'deck_file';
 			});
@@ -162,7 +165,7 @@ class CardService {
 		try {
 			$this->permissionService->checkPermission($this->boardMapper, $boardId, Acl::PERMISSION_READ);
 		} catch (NoPermissionException $e) {
-			\OC::$server->getLogger()->error('Unable to check permission for a previously obtained board ' . $boardId, ['exception' => $e]);
+			$this->logger->error('Unable to check permission for a previously obtained board ' . $boardId, ['exception' => $e]);
 			return [];
 		}
 		$cards = $this->cardMapper->findCalendarEntries($boardId);
@@ -486,7 +489,7 @@ class CardService {
 	 * @throws StatusException
 	 * @throws \OCA\Deck\NoPermissionException
 	 * @throws \OCP\AppFramework\Db\DoesNotExistException
-	 * @throws \OCP\AppFramework\Db\
+	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
 	 * @throws BadRequestException
 	 */
 	public function archive($id) {

lib/Service/CirclesService.php

@@ -31,6 +31,7 @@ use OCA\Circles\Model\Circle;
 use OCA\Circles\Model\Member;
 use OCA\Circles\Model\Probes\CircleProbe;
 use OCP\App\IAppManager;
+use OCP\Server;
 use Throwable;
 
 /**
@@ -38,7 +39,7 @@ use Throwable;
  * having the app disabled is properly handled
  */
 class CirclesService {
-	private $circlesEnabled;
+	private bool $circlesEnabled;
 
 	public function __construct(IAppManager $appManager) {
 		$this->circlesEnabled = $appManager->isEnabledForUser('circles');
@@ -56,8 +57,7 @@ class CirclesService {
 		try {
 
 			// Enforce current user condition since we always want the full list of members
-			/** @var CirclesManager $circlesManager */
-			$circlesManager = \OC::$server->get(CirclesManager::class);
+			$circlesManager = Server::get(CirclesManager::class);
 			$circlesManager->startSuperSession();
 			return $circlesManager->getCircle($circleId);
 		} catch (Throwable $e) {
@@ -71,8 +71,7 @@ class CirclesService {
 		}
 
 		try {
-			/** @var CirclesManager $circlesManager */
-			$circlesManager = \OC::$server->get(CirclesManager::class);
+			$circlesManager = Server::get(CirclesManager::class);
 			$federatedUser = $circlesManager->getFederatedUser($userId, Member::TYPE_USER);
 			$circlesManager->startSession($federatedUser);
 			$circle = $circlesManager->getCircle($circleId);
@@ -93,8 +92,7 @@ class CirclesService {
 		}
 
 		try {
-			/** @var CirclesManager $circlesManager */
-			$circlesManager = \OC::$server->get(CirclesManager::class);
+			$circlesManager = Server::get(CirclesManager::class);
 			$federatedUser = $circlesManager->getFederatedUser($userId, Member::TYPE_USER);
 			$circlesManager->startSession($federatedUser);
 			$probe = new CircleProbe();

lib/Service/CommentService.php

@@ -40,20 +40,14 @@ use OutOfBoundsException;
 use function is_numeric;
 
 class CommentService {
+	private ICommentsManager $commentsManager;
+	private IUserManager $userManager;
+	private CardMapper $cardMapper;
+	private PermissionService $permissionService;
+	private ILogger $logger;
+	private ?string $userId;
 
-	/**
-	 * @var ICommentsManager
-	 */
-	private $commentsManager;
-	/**
-	 * @var IUserManager
-	 */
-	private $userManager;
-	/** @var ILogger */
-	private $logger;
-	private $userId;
-
-	public function __construct(ICommentsManager $commentsManager, PermissionService $permissionService, CardMapper $cardMapper, IUserManager $userManager, ILogger $logger, $userId) {
+	public function __construct(ICommentsManager $commentsManager, PermissionService $permissionService, CardMapper $cardMapper, IUserManager $userManager, ILogger $logger, ?string $userId) {
 		$this->commentsManager = $commentsManager;
 		$this->permissionService = $permissionService;
 		$this->cardMapper = $cardMapper;

lib/Service/ConfigService.php

@@ -32,7 +32,6 @@ use OCA\Deck\NoPermissionException;
 use OCP\IConfig;
 use OCP\IGroup;
 use OCP\IGroupManager;
-use OCP\IUserSession;
 
 class ConfigService {
 	public const SETTING_BOARD_NOTIFICATION_DUE_OFF = 'off';
@@ -40,23 +39,21 @@ class ConfigService {
 	public const SETTING_BOARD_NOTIFICATION_DUE_ALL = 'all';
 	public const SETTING_BOARD_NOTIFICATION_DUE_DEFAULT = self::SETTING_BOARD_NOTIFICATION_DUE_ASSIGNED;
 
-	private $config;
-	private $userId;
-	private $groupManager;
+	private IConfig $config;
+	private ?string $userId;
+	private IGroupManager $groupManager;
 
 	public function __construct(
 		IConfig $config,
-		IGroupManager $groupManager
+		IGroupManager $groupManager,
+		?string $userId
 	) {
 		$this->groupManager = $groupManager;
 		$this->config = $config;
+		$this->userId = $userId;
 	}
 
-	public function getUserId() {
-		if (!$this->userId) {
-			$user = \OC::$server->get(IUserSession::class)->getUser();
-			$this->userId = $user ? $user->getUID() : null;
-		}
+	public function getUserId(): ?string {
 		return $this->userId;
 	}
 
@@ -75,8 +72,11 @@ class ConfigService {
 		return $data;
 	}
 
-	public function get($key) {
-		$result = null;
+	/**
+	 * @return bool|array{id: string, displayname: string}[]
+	 * @throws NoPermissionException
+	 */
+	public function get(string $key) {
 		[$scope] = explode(':', $key, 2);
 		switch ($scope) {
 			case 'groupLimit':
@@ -90,11 +90,12 @@ class ConfigService {
 				}
 				return (bool)$this->config->getUserValue($this->getUserId(), Application::APP_ID, 'calendar', true);
 			case 'cardDetailsInModal':
-			  if ($this->getUserId() === null) {
-			  	return false;
-			  }
+				if ($this->getUserId() === null) {
+					return false;
+				}
 				return (bool)$this->config->getUserValue($this->getUserId(), Application::APP_ID, 'cardDetailsInModal', true);
 		}
+		return false;
 	}
 
 	public function isCalendarEnabled(int $boardId = null): bool {
@@ -157,7 +158,10 @@ class ConfigService {
 		return $result;
 	}
 
-	private function setGroupLimit($value) {
+	/**
+	 * @return string[]
+	 */
+	private function setGroupLimit(array $value): array {
 		$groups = [];
 		foreach ($value as $group) {
 			$groups[] = $group['id'];
@@ -167,7 +171,7 @@ class ConfigService {
 		return $groups;
 	}
 
-	private function getGroupLimitList() {
+	private function getGroupLimitList(): array {
 		$value = $this->config->getAppValue(Application::APP_ID, 'groupLimit', '');
 		$groups = explode(',', $value);
 		if ($value === '') {
@@ -176,9 +180,10 @@ class ConfigService {
 		return $groups;
 	}
 
+	/** @return array{id: string, displayname: string}[] */
 	private function getGroupLimit() {
 		$groups = $this->getGroupLimitList();
-		$groups = array_map(function ($groupId) {
+		$groups = array_map(function (string $groupId): ?array {
 			/** @var IGroup $groups */
 			$group = $this->groupManager->get($groupId);
 			if ($group === null) {

lib/Service/DefaultBoardService.php

@@ -88,18 +88,6 @@ class DefaultBoardService {
 	 * @throws BadRequestException
 	 */
 	public function createDefaultBoard(string $title, string $userId, string $color) {
-		if ($title === false || $title === null) {
-			throw new BadRequestException('title must be provided');
-		}
-
-		if ($userId === false || $userId === null) {
-			throw new BadRequestException('userId must be provided');
-		}
-
-		if ($color === false || $color === null) {
-			throw new BadRequestException('color must be provided');
-		}
-
 		$defaultBoard = $this->boardService->create($title, $userId, $color);
 		$defaultStacks = [];
 		$defaultCards = [];

lib/Service/FileService.php

@@ -219,8 +219,11 @@ class FileService implements IAttachmentService {
 			throw new \Exception('no instance id!');
 		}
 		$name = 'appdata_' . $instanceId;
+		/** @var \OCP\Files\Folder $appDataFolder */
 		$appDataFolder = $this->rootFolder->get($name);
+		/** @var \OCP\Files\Folder $appDataFolder */
 		$appDataFolder = $appDataFolder->get('deck');
+		/** @var \OCP\Files\Folder $cardFolder */
 		$cardFolder = $appDataFolder->get($folderName);
 		return $cardFolder->get($attachment->getData());
 	}

lib/Service/FilesAppService.php

@@ -44,18 +44,19 @@ use OCP\Share\IShare;
 use Psr\Log\LoggerInterface;
 
 class FilesAppService implements IAttachmentService, ICustomAttachmentService {
-	private $request;
-	private $rootFolder;
-	private $shareProvider;
-	private $shareManager;
-	private $userId;
-	private $configService;
-	private $l10n;
-	private $preview;
-	private $mimeTypeDetector;
-	private $permissionService;
-	private $cardMapper;
-	private $logger;
+	private IRequest $request;
+	private IRootFolder $rootFolder;
+	private DeckShareProvider $shareProvider;
+	private IManager $shareManager;
+	private ?string $userId;
+	private ConfigService $configService;
+	private IL10N $l10n;
+	private IPreview $preview;
+	private IMimeTypeDetector $mimeTypeDetector;
+	private PermissionService $permissionService;
+	private CardMapper $cardMapper;
+	private LoggerInterface $logger;
+	private IDBConnection $connection;
 
 	public function __construct(
 		IRequest $request,
@@ -69,7 +70,8 @@ class FilesAppService implements IAttachmentService, ICustomAttachmentService {
 		PermissionService $permissionService,
 		CardMapper  $cardMapper,
 		LoggerInterface $logger,
-		string $userId = null
+		IDBConnection $connection,
+		?string $userId
 	) {
 		$this->request = $request;
 		$this->l10n = $l10n;
@@ -83,6 +85,7 @@ class FilesAppService implements IAttachmentService, ICustomAttachmentService {
 		$this->permissionService = $permissionService;
 		$this->cardMapper = $cardMapper;
 		$this->logger = $logger;
+		$this->connection = $connection;
 	}
 
 	public function listAttachments(int $cardId): array {
@@ -108,9 +111,7 @@ class FilesAppService implements IAttachmentService, ICustomAttachmentService {
 	}
 
 	public function getAttachmentCount(int $cardId): int {
-		/** @var IDBConnection $qb */
-		$db = \OC::$server->getDatabaseConnection();
-		$qb = $db->getQueryBuilder();
+		$qb = $this->connection->getQueryBuilder();
 		$qb->select('s.id', 'f.fileid', 'f.path')
 			->selectAlias('st.id', 'storage_string_id')
 			->from('share', 's')
@@ -125,7 +126,7 @@ class FilesAppService implements IAttachmentService, ICustomAttachmentService {
 			));
 
 		$count = 0;
-		$cursor = $qb->execute();
+		$cursor = $qb->executeQuery();
 		while ($data = $cursor->fetch()) {
 			if ($this->shareProvider->isAccessibleResult($data)) {
 				$count++;

lib/Service/Importer/BoardImportService.php

@@ -47,34 +47,22 @@ use OCP\Comments\ICommentsManager;
 use OCP\Comments\NotFoundException as CommentNotFoundException;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IUserManager;
+use OCP\Server;
 
 class BoardImportService {
-	/** @var IUserManager */
-	private $userManager;
-	/** @var BoardMapper */
-	private $boardMapper;
-	/** @var AclMapper */
-	private $aclMapper;
-	/** @var LabelMapper */
-	private $labelMapper;
-	/** @var StackMapper */
-	private $stackMapper;
-	/** @var CardMapper */
-	private $cardMapper;
-	/** @var AssignmentMapper */
-	private $assignmentMapper;
-	/** @var AttachmentMapper */
-	private $attachmentMapper;
-	/** @var ICommentsManager */
-	private $commentsManager;
-	/** @var IEventDispatcher */
-	private $eventDispatcher;
-	/** @var string */
-	private $system = '';
-	/** @var null|ABoardImportService */
-	private $systemInstance;
-	/** @var array */
-	private $allowedSystems = [];
+	private IUserManager $userManager;
+	private BoardMapper $boardMapper;
+	private AclMapper $aclMapper;
+	private LabelMapper $labelMapper;
+	private StackMapper $stackMapper;
+	private CardMapper $cardMapper;
+	private AssignmentMapper $assignmentMapper;
+	private AttachmentMapper $attachmentMapper;
+	private ICommentsManager $commentsManager;
+	private IEventDispatcher $eventDispatcher;
+	private string $system = '';
+	private ?ABoardImportService $systemInstance;
+	private array $allowedSystems = [];
 	/**
 	 * Data object created from config JSON
 	 *
@@ -89,10 +77,7 @@ class BoardImportService {
 	 * @psalm-suppress PropertyNotSetInConstructor
 	 */
 	private $data;
-	/**
-	 * @var Board
-	 */
-	private $board;
+	private Board $board;
 
 	public function __construct(
 		IUserManager $userManager,
@@ -198,7 +183,7 @@ class BoardImportService {
 		}
 		if (!is_object($this->systemInstance)) {
 			$systemClass = 'OCA\\Deck\\Service\\Importer\\Systems\\' . ucfirst($this->getSystem()) . 'Service';
-			$this->systemInstance = \OC::$server->get($systemClass);
+			$this->systemInstance = Server::get($systemClass);
 			$this->systemInstance->setImportService($this);
 		}
 		return $this->systemInstance;
@@ -343,7 +328,7 @@ class BoardImportService {
 	}
 
 	public function insertAttachment(Attachment $attachment, string $content): Attachment {
-		$service = \OC::$server->get(FileService::class);
+		$service = Server::get(FileService::class);
 		$folder = $service->getFolder($attachment);
 
 		if ($folder->fileExists($attachment->getData())) {

lib/Service/StackService.php

@@ -39,19 +39,21 @@ use OCA\Deck\Db\StackMapper;
 use OCA\Deck\Model\CardDetails;
 use OCA\Deck\NoPermissionException;
 use OCA\Deck\StatusException;
+use Psr\Log\LoggerInterface;
 
 class StackService {
-	private $stackMapper;
-	private $cardMapper;
-	private $boardMapper;
-	private $labelMapper;
-	private $permissionService;
-	private $boardService;
-	private $cardService;
-	private $assignedUsersMapper;
-	private $attachmentService;
-	private $activityManager;
-	private $changeHelper;
+	private StackMapper $stackMapper;
+	private CardMapper $cardMapper;
+	private BoardMapper $boardMapper;
+	private LabelMapper $labelMapper;
+	private PermissionService $permissionService;
+	private BoardService $boardService;
+	private CardService $cardService;
+	private AssignmentMapper $assignedUsersMapper;
+	private AttachmentService $attachmentService;
+	private ActivityManager $activityManager;
+	private ChangeHelper $changeHelper;
+	private LoggerInterface $logger;
 
 	public function __construct(
 		StackMapper $stackMapper,
@@ -64,7 +66,8 @@ class StackService {
 		AssignmentMapper $assignedUsersMapper,
 		AttachmentService $attachmentService,
 		ActivityManager $activityManager,
-		ChangeHelper $changeHelper
+		ChangeHelper $changeHelper,
+		LoggerInterface $logger
 	) {
 		$this->stackMapper = $stackMapper;
 		$this->boardMapper = $boardMapper;
@@ -77,6 +80,7 @@ class StackService {
 		$this->attachmentService = $attachmentService;
 		$this->activityManager = $activityManager;
 		$this->changeHelper = $changeHelper;
+		$this->logger = $logger;
 	}
 
 	private function enrichStackWithCards($stack, $since = -1) {
@@ -158,7 +162,7 @@ class StackService {
 		try {
 			$this->permissionService->checkPermission(null, $boardId, Acl::PERMISSION_READ);
 		} catch (NoPermissionException $e) {
-			\OC::$server->getLogger()->error('Unable to check permission for a previously obtained board ' . $boardId, ['exception' => $e]);
+			$this->logger->error('Unable to check permission for a previously obtained board ' . $boardId, ['exception' => $e]);
 			return [];
 		}
 		return $this->stackMapper->findAll($boardId);

lib/Sharing/DeckShareProvider.php

@@ -65,22 +65,16 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 
 	public const SHARE_TYPE_DECK_USER = IShare::TYPE_DECK_USER;
 
-	/** @var IDBConnection */
-	private $dbConnection;
-	/** @var IManager */
-	private $shareManager;
-	/** @var AttachmentCacheHelper */
-	private $attachmentCacheHelper;
-	/** @var BoardMapper */
-	private $boardMapper;
-	/** @var CardMapper */
-	private $cardMapper;
-	/** @var PermissionService */
-	private $permissionService;
-	/** @var ITimeFactory */
-	private $timeFactory;
-	/** @var IL10N */
-	private $l;
+	private IDBConnection $dbConnection;
+	private IManager $shareManager;
+	private AttachmentCacheHelper $attachmentCacheHelper;
+	private BoardMapper $boardMapper;
+	private CardMapper $cardMapper;
+	private PermissionService $permissionService;
+	private ITimeFactory $timeFactory;
+	private IL10N $l;
+	private IMimeTypeLoader $mimeTypeLoader;
+	private ?string $userId;
 
 	public function __construct(
 		IDBConnection $connection,
@@ -89,7 +83,10 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 		CardMapper $cardMapper,
 		PermissionService $permissionService,
 		AttachmentCacheHelper $attachmentCacheHelper,
-		IL10N $l
+		IL10N $l,
+		ITimeFactory $timeFactory,
+		IMimeTypeLoader $mimeTypeLoader,
+		?string $userId
 	) {
 		$this->dbConnection = $connection;
 		$this->shareManager = $shareManager;
@@ -97,9 +94,10 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 		$this->cardMapper = $cardMapper;
 		$this->attachmentCacheHelper = $attachmentCacheHelper;
 		$this->permissionService = $permissionService;
-
 		$this->l = $l;
-		$this->timeFactory = \OC::$server->get(ITimeFactory::class);
+		$this->timeFactory = $timeFactory;
+		$this->mimeTypeLoader = $mimeTypeLoader;
+		$this->userId = $userId;
 	}
 
 	public static function register(IEventDispatcher $dispatcher): void {
@@ -207,13 +205,13 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 			->setValue('file_target', $qb->createNamedParameter($target))
 			->setValue('permissions', $qb->createNamedParameter($permissions))
 			->setValue('token', $qb->createNamedParameter($token))
-			->setValue('stime', $qb->createNamedParameter(\OC::$server->get(ITimeFactory::class)->getTime()));
+			->setValue('stime', $qb->createNamedParameter($this->timeFactory->getTime()));
 
 		if ($expirationDate !== null) {
 			$qb->setValue('expiration', $qb->createNamedParameter($expirationDate, 'datetime'));
 		}
 
-		$qb->execute();
+		$qb->executeStatement();
 
 		return $qb->getLastInsertId();
 	}
@@ -281,7 +279,7 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 			$entryData = $data;
 			$entryData['permissions'] = $entryData['f_permissions'];
 			$entryData['parent'] = $entryData['f_parent'];
-			$share->setNodeCacheEntry(Cache::cacheEntryFromData($entryData, \OC::$server->get(IMimeTypeLoader::class)));
+			$share->setNodeCacheEntry(Cache::cacheEntryFromData($entryData, $this->mimeTypeLoader));
 		}
 		return $share;
 	}
@@ -474,14 +472,14 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 					'file_target' => $qb->createNamedParameter($share->getTarget()),
 					'permissions' => $qb->createNamedParameter($share->getPermissions()),
 					'stime' => $qb->createNamedParameter($share->getShareTime()->getTimestamp()),
-				])->execute();
+				])->executeStatement();
 		} else {
 			// Already a userroom share. Update it.
 			$qb = $this->dbConnection->getQueryBuilder();
 			$qb->update('share')
 				->set('file_target', $qb->createNamedParameter($share->getTarget()))
 				->where($qb->expr()->eq('id', $qb->createNamedParameter($data['id'])))
-				->execute();
+				->executeStatement();
 		}
 
 		return $share;
@@ -821,7 +819,7 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 				$qb->expr()->eq('s.item_type', $qb->createNamedParameter('folder'))
 			));
 
-		$cursor = $qb->execute();
+		$cursor = $qb->executeQuery();
 		while ($data = $cursor->fetch()) {
 			if (!$this->isAccessibleResult($data)) {
 				continue;
@@ -836,9 +834,7 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 		}
 		$cursor->closeCursor();
 
-		$shares = $this->resolveSharesForRecipient($shares, \OC::$server->getUserSession()->getUser()->getUID());
-
-		return $shares;
+		return $this->resolveSharesForRecipient($shares, $this->userId);
 	}
 
 	public function isAccessibleResult(array $data): bool {
@@ -941,7 +937,7 @@ class DeckShareProvider implements \OCP\Share\IShareProvider {
 				$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
 				$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
 			));
-		$cursor = $qb->execute();
+		$cursor = $qb->executeQuery();
 
 		$users = [];
 		while ($row = $cursor->fetch()) {

lib/Sharing/Listener.php

@@ -29,14 +29,13 @@ namespace OCA\Deck\Sharing;
 use OC\Files\Filesystem;
 use OCA\Deck\Service\ConfigService;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Server;
 use OCP\Share\Events\VerifyMountPointEvent;
 use OCP\Share\IShare;
 use Symfony\Component\EventDispatcher\GenericEvent;
 
 class Listener {
-
-	/** @var ConfigService */
-	private $configService;
+	private ConfigService $configService;
 
 	public function __construct(ConfigService $configService) {
 		$this->configService = $configService;
@@ -52,13 +51,13 @@ class Listener {
 
 	public static function listenPreShare(GenericEvent $event): void {
 		/** @var self $listener */
-		$listener = \OC::$server->query(self::class);
+		$listener = Server::get(self::class);
 		$listener->overwriteShareTarget($event);
 	}
 
 	public static function listenVerifyMountPointEvent(VerifyMountPointEvent $event): void {
 		/** @var self $listener */
-		$listener = \OC::$server->query(self::class);
+		$listener = Server::get(self::class);
 		$listener->overwriteMountPoint($event);
 	}