Define user role via joined shares

lib/Controller/PublicController.php

@@ -46,6 +46,10 @@
 use OCP\Util;
 
 /**
+ * Always use parent's classe response* methods to make sure, the token gets set correctly.
+ * Requesting the token inside the controller is not possible, because the token is submitted
+ * as a paramter and not known while contruction time
+ * i.e. ACL requests are not valid before calling the response* method
  * @psalm-api
  */
 class PublicController extends BasePublicController {
@@ -89,13 +93,14 @@ public function votePage() {
 	 */
 	#[PublicPage]
 	public function getPoll(string $token): JSONResponse {
-		$this->acl->request(Acl::PERMISSION_POLL_VIEW);
-
-		// load poll through acl
-		return $this->response(fn () => [
-			'acl' => $this->acl,
-			'poll' => $this->acl->getPoll(),
-		], $token);
+		return $this->response(function () {
+			$this->acl->request(Acl::PERMISSION_POLL_VIEW);
+			// load poll through acl
+			return [
+				'acl' => $this->acl,
+				'poll' => $this->acl->getPoll(),
+			];
+		}, $token);
 	}
 
 	/**

lib/Db/Poll.php

@@ -104,6 +104,16 @@ class Poll extends EntityWithUser implements JsonSerializable {
 	public const TWO_DAYS = 172800;
 	public const ONE_AND_HALF_DAY = 129600;
 
+	public const ROLE_USER = Share::TYPE_USER;
+	public const ROLE_ADMIN = Share::TYPE_ADMIN;
+	public const ROLE_EMAIL = Share::TYPE_EMAIL;
+	public const ROLE_CONTACT = Share::TYPE_CONTACT;
+	public const ROLE_EXTERNAL = Share::TYPE_EXTERNAL;
+	public const ROLE_OWNER = 'owner';
+	public const ROLE_NONE = 'none';
+
+
+
 	private IURLGenerator $urlGenerator;
 	protected UserMapper $userMapper;
 	private VoteMapper $voteMapper;
@@ -137,6 +147,8 @@ class Poll extends EntityWithUser implements JsonSerializable {
 	protected int $maxDate = 0;
 	protected int $minDate = 0;
 	protected int $currentUserVotes = 0;
+	protected string $userRole = self::ROLE_NONE;
+	protected ?int $isCurrentUserLocked = 0;
 
 	public function __construct() {
 		$this->addType('created', 'int');
@@ -168,6 +180,7 @@ public function __construct() {
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
+			'type' => $this->getType(),
 			'title' => $this->getTitle(),
 			'description' => $this->getDescription(),
 			'descriptionSafe' => $this->getDescriptionSafe(),
@@ -185,14 +198,14 @@ public function jsonSerialize(): array {
 			'optionLimit' => $this->getOptionLimit(),
 			'proposalsExpire' => $this->getProposalsExpire(),
 			'showResults' => $this->getShowResults() === 'expired' ? Poll::SHOW_RESULTS_CLOSED : $this->getShowResults(),
-			'type' => $this->getType(),
 			'useNo' => $this->getUseNo(),
 			'voteLimit' => $this->getVoteLimit(),
 			'lastInteraction' => $this->getLastInteraction(),
 			'summary' => [
-				'orphanedVotes' => count($this->voteMapper->findOrphanedByPollandUser($this->id, $this->userMapper->getCurrentUserCached()->getId())),
-				'yesByCurrentUser' => count($this->voteMapper->getYesVotesByParticipant($this->getPollId(), $this->userMapper->getCurrentUserCached()->getId())),
+				'orphanedVotes' => $this->getCurrentUserOrphanedVotes(),
+				'yesByCurrentUser' => $this->getCurrentUserYesVotes(),
 				'countVotes' => $this->getCurrentUserCountVotes(),
+				'userRole' => $this->getUserRole(),
 			],
 		];
 	}
@@ -231,6 +244,13 @@ public function getExpired(): bool {
 		);
 	}
 
+	public function getUserRole(): string {
+		if ($this->userMapper->getCurrentUser()->getId() === $this->getOwner()) {
+			return self::ROLE_OWNER;
+		}
+		return $this->userRole;
+	}
+
 	public function getVoteUrl(): string {
 		return $this->urlGenerator->linkToRouteAbsolute(
 			AppConstants::APP_ID . '.page.vote',
@@ -278,10 +298,6 @@ public function getProposalsExpired(): bool {
 		);
 	}
 
-	public function getCurrentUserCountVotes(): int {
-		return $this->currentUserVotes;
-	}
-
 	public function getDescription(): string {
 		return $this->description ?? '';
 	}
@@ -337,13 +353,28 @@ public function getRelevantThresholdNet(): int {
 		);
 	}
 
+	public function getCurrentUserCountVotes(): int {
+		return $this->currentUserVotes;
+	}
+
+	public function getIsCurrentUserLocked(): bool {
+		return (bool) $this->isCurrentUserLocked;
+	}
+
 	/**
 	 * @psalm-return int<0, max>
 	 */
-	public function getOrphanedVotes(): int {
+	public function getCurrentUserOrphanedVotes(): int {
 		return count($this->voteMapper->findOrphanedByPollandUser($this->id, $this->userMapper->getCurrentUserCached()->getId()));
 	}
 
+	/**
+	 * @psalm-return int<0, max>
+	 */
+	public function getCurrentUserYesVotes(): int {
+		return count($this->voteMapper->getYesVotesByParticipant($this->getPollId(), $this->userMapper->getCurrentUserCached()->getId()));
+	}
+
 	public function getDeadline(): int {
 		// if expiration is set return expiration date
 		if ($this->getExpire()) {

lib/Db/PollMapper.php

@@ -179,10 +179,32 @@ protected function buildQuery(): IQueryBuilder {
 			->from($this->getTableName(), self::TABLE);
 		$this->joinOptionsForMaxDate($qb, self::TABLE);
 		$this->joinCurrentUserVotes($qb, self::TABLE, $currentUserId);
+		$this->joinUserRole($qb, self::TABLE, $currentUserId);
 		$qb->groupBy(self::TABLE . '.id');
 		return $qb;
 	}
 
+	/**
+	 * Joins options to evaluate min and max option date for date polls
+	 * if text poll or no options are set,
+	 * the min value is the current time,
+	 * the max value is null
+	 */
+	protected function joinUserRole(IQueryBuilder &$qb, string $fromAlias, string $currentUserId): void {
+		$joinAlias = 'shares';
+		$qb->addSelect($qb->createFunction('coalesce(' . $joinAlias . '.type, "") AS user_role'));
+
+		$qb->leftJoin(
+			$fromAlias,
+			Share::TABLE,
+			$joinAlias,
+			$qb->expr()->andX(
+				$qb->expr()->eq($fromAlias . '.id', $joinAlias . '.poll_id'),
+				$qb->expr()->eq($joinAlias . '.user_id', $qb->createNamedParameter($currentUserId, IQueryBuilder::PARAM_STR)),
+			)
+		);
+	}
+
 	/**
 	 * Joins options to evaluate min and max option date for date polls
 	 * if text poll or no options are set,
@@ -193,8 +215,6 @@ protected function joinOptionsForMaxDate(IQueryBuilder &$qb, string $fromAlias):
 		$joinAlias = 'options';
 		$saveMin = (string) time();
 
-		// force value into a MIN function to avoid grouping errors
-		// $qb->selectAlias($qb->func()->max($joinAlias . '.timestamp'), 'max_date');
 		$qb->addSelect($qb->createFunction('coalesce(MAX(' . $joinAlias . '.timestamp), 0) AS max_date'))
 			->addSelect($qb->createFunction('coalesce(MIN(' . $joinAlias . '.timestamp), ' . $saveMin . ') AS min_date'));
 

lib/Db/ShareMapper.php

@@ -71,6 +71,29 @@ public function findByPoll(int $pollId, bool $getDeleted = false): array {
 		return $this->findEntities($qb);
 	}
 
+	/**
+	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
+	 * @return Share[]
+	 * @psalm-return array<array-key, Share>
+	 */
+	public function findGroupShareByPoll(int $pollId, bool $getDeleted = false): array {
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->select(self::TABLE . '.*')
+		->from($this->getTableName(), self::TABLE)
+			->groupBy(self::TABLE . '.id')
+			->where($qb->expr()->eq(self::TABLE . '.poll_id', $qb->createNamedParameter($pollId, IQueryBuilder::PARAM_INT)))
+			->andWhere($qb->expr()->eq(self::TABLE . '.type', $qb->createNamedParameter(Share::TYPE_GROUP, IQueryBuilder::PARAM_STR)));
+
+		if (!$getDeleted) {
+			$qb->andWhere($qb->expr()->eq(self::TABLE . '.deleted', $qb->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
+		}
+
+		$this->joinUserVoteCount($qb, self::TABLE);
+
+		return $this->findEntities($qb);
+	}
+
 	/**
 	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
 	 * @return Share[]

lib/Db/UserMapper.php

@@ -96,7 +96,7 @@ public function getCurrentUser(): UserBase {
 
 		} else {
 			try {
-				$this->currentUser = $this->getUserFromShareToken($this->getToken());
+				$this->currentUser = $this->getUserFromShareToken($this->getSessionStoredShareToken());
 			} catch (DoesNotExistException $e) {
 				$this->logger->debug('no user found, returned fake user');
 				$this->currentUser = new GenericUser('', Share::TYPE_PUBLIC);
@@ -114,7 +114,7 @@ public function getCurrentUserCached(): UserBase {
 		return $this->currentUser ?? $this->getCurrentUser();
 	}
 
-	private function getToken(): string {
+	public function getSessionStoredShareToken(): string {
 		return (string) $this->session->get(AppConstants::SESSION_KEY_SHARE_TOKEN);
 	}