Add transfering polls to another user

CHANGELOG.md

@@ -23,6 +23,7 @@ All notable changes to this project will be documented in this file.
  - Configuration for using the Nextcloud default footer in public polls
  - Delete polls without the need to archive them first
  - Collapsible poll description
+ - Transfer polls to another owner by the current poll owner or the administration
 
 ## [7.4.1] - 2024-03-07
 ### New

lib/AppInfo/Application.php

@@ -31,7 +31,6 @@
 use OCA\Polls\Event\PollOwnerChangeEvent;
 use OCA\Polls\Event\PollReopenEvent;
 use OCA\Polls\Event\PollRestoredEvent;
-use OCA\Polls\Event\PollTakeoverEvent;
 use OCA\Polls\Event\PollUpdatedEvent;
 use OCA\Polls\Event\ShareChangedDisplayNameEvent;
 use OCA\Polls\Event\ShareChangedEmailEvent;
@@ -106,7 +105,6 @@ public function register(IRegistrationContext $context): void {
 		$context->registerEventListener(PollOptionReorderedEvent::class, PollListener::class);
 		$context->registerEventListener(PollOwnerChangeEvent::class, PollListener::class);
 		$context->registerEventListener(PollRestoredEvent::class, PollListener::class);
-		$context->registerEventListener(PollTakeoverEvent::class, PollListener::class);
 		$context->registerEventListener(PollUpdatedEvent::class, PollListener::class);
 		$context->registerEventListener(PollReopenEvent::class, PollListener::class);
 		$context->registerEventListener(PollCloseEvent::class, PollListener::class);

lib/Controller/PollApiController.php

@@ -159,26 +159,26 @@ public function clone(int $pollId): DataResponse {
 
 	/**
 	 * Transfer all polls from one user to another (change owner of poll)
-	 * @param string $sourceUser User to transfer polls from
-	 * @param string $targetUser User to transfer polls to
+	 * @param string $sourceUserId User id to transfer polls from
+	 * @param string $targetUserId User id to transfer polls to
 	 */
 	#[CORS]
 	#[NoCSRFRequired]
-	#[ApiRoute(verb: 'PUT', url: '/api/v1.0/poll/transfer/{sourceUser}/{targetUser}', requirements: ['apiVersion' => '(v2)'])]
-	public function transferPolls(string $sourceUser, string $targetUser): DataResponse {
-		return $this->response(fn () => ['transferred' => $this->pollService->transferPolls($sourceUser, $targetUser)]);
+	#[ApiRoute(verb: 'PUT', url: '/api/v1.0/poll/transfer/{sourceUserId}/{targetUserId}', requirements: ['apiVersion' => '(v2)'])]
+	public function transferPolls(string $sourceUserId, string $targetUserId): DataResponse {
+		return $this->response(fn () => ['transferred' => $this->pollService->transferPolls($sourceUserId, $targetUserId)]);
 	}
 
 	/**
 	 * Transfer single poll to another user (change owner of poll)
 	 * @param int $pollId Poll to transfer
-	 * @param string $targetUser User to transfer the poll to
+	 * @param string $targetUserId User id to transfer the poll to
 	 */
 	#[CORS]
 	#[NoCSRFRequired]
-	#[ApiRoute(verb: 'PUT', url: '/api/v1.0/poll/{pollId}/transfer/{targetUser}', requirements: ['apiVersion' => '(v2)'])]
-	public function transferPoll(int $pollId, string $targetUser): DataResponse {
-		return $this->response(fn () => ['transferred' => $this->pollService->transferPoll($pollId, $targetUser)]);
+	#[ApiRoute(verb: 'PUT', url: '/api/v1.0/poll/{pollId}/transfer/{targetUserId}', requirements: ['apiVersion' => '(v2)'])]
+	public function transferPoll(int $pollId, string $targetUserId): DataResponse {
+		return $this->response(fn () => ['transferred' => $this->pollService->transferPoll($pollId, $targetUserId)]);
 	}
 
 	/**

lib/Controller/PollController.php

@@ -202,12 +202,23 @@ private function clonePoll(int $pollId): Poll {
 
 	/**
 	 * Transfer polls between users
-	 * @param string $sourceUser User to transfer polls from
-	 * @param string $targetUser User to transfer polls to
+	 * @param string $sourceUserId User id to transfer polls from
+	 * @param string $targetUserId User id to transfer polls to
 	 */
-	#[FrontpageRoute(verb: 'PUT', url: '/poll/transfer/{sourceUser}/{targetUser}')]
-	public function transferPolls(string $sourceUser, string $targetUser): JSONResponse {
-		return $this->response(fn () => $this->pollService->transferPolls($sourceUser, $targetUser));
+	#[FrontpageRoute(verb: 'PUT', url: '/poll/transfer/{sourceUserId}/{targetUserId}')]
+	public function transferPolls(string $sourceUserId, string $targetUserId): JSONResponse {
+		return $this->response(fn () => $this->pollService->transferPolls($sourceUserId, $targetUserId));
+	}
+
+	/**
+	 * Transfer ownership of one poll
+	 * @param int $pollId poll to transfer ownership
+	 * @param string $targetUserId User to transfer polls to
+	 */
+	#[NoAdminRequired]
+	#[FrontpageRoute(verb: 'PUT', url: '/poll/{pollId}/changeowner/{targetUserId}')]
+	public function changeOwner(int $pollId, string $targetUserId): JSONResponse {
+		return $this->response(fn () => $this->pollService->transferPoll($pollId, $targetUserId));
 	}
 
 	/**

lib/Controller/SystemController.php

@@ -35,9 +35,12 @@ public function __construct(
 	#[NoAdminRequired]
 	#[OpenAPI(OpenAPI::SCOPE_IGNORE)]
 	#[FrontpageRoute(verb: 'GET', url: '/search/users/{query}')]
-	public function userSearch(string $query = ''): JSONResponse {
-		return new JSONResponse(['siteusers' => $this->systemService->getSiteUsersAndGroups(
-			$query)], Http::STATUS_OK);
+	public function userSearch(string $query, string $types): JSONResponse {
+		$types = explode(',', $types);
+		return new JSONResponse([
+			'siteusers' => $this->systemService->getSiteUsersAndGroups($query, $types),
+			'types' => $types
+		], Http::STATUS_OK);
 	}
 	/**
 	 * Get a combined list of all NC groups

lib/Db/Poll.php

@@ -112,6 +112,7 @@ class Poll extends EntityWithUser implements JsonSerializable {
 	public const PERMISSION_OVERRIDE = 'override_permission';
 	public const PERMISSION_POLL_VIEW = 'view';
 	public const PERMISSION_POLL_EDIT = 'edit';
+	public const PERMISSION_POLL_CHANGE_OWNER = 'changeOwner';
 	public const PERMISSION_POLL_DELETE = 'delete';
 	public const PERMISSION_POLL_ARCHIVE = 'archive';
 	public const PERMISSION_POLL_RESULTS_VIEW = 'seeResults';
@@ -291,6 +292,7 @@ public function getPermissionsArray(): array {
 			'addSharesExternal' => $this->getIsAllowed(self::PERMISSION_SHARE_ADD_EXTERNAL),
 			'archive' => $this->getIsAllowed(self::PERMISSION_POLL_ARCHIVE),
 			'changeForeignVotes' => $this->getIsAllowed(self::PERMISSION_VOTE_FOREIGN_CHANGE),
+			'changeOwner' => $this->getIsAllowed(self::PERMISSION_POLL_CHANGE_OWNER),
 			'clone' => $this->getIsAllowed(self::PERMISSION_OPTION_CLONE),
 			'comment' => $this->getIsAllowed(self::PERMISSION_COMMENT_ADD),
 			'confirmOptions' => $this->getIsAllowed(self::PERMISSION_OPTION_CONFIRM),
@@ -302,6 +304,7 @@ public function getPermissionsArray(): array {
 			'seeUsernames' => $this->getIsAllowed(self::PERMISSION_POLL_USERNAMES_VIEW),
 			'shiftOptions' => $this->getIsAllowed(self::PERMISSION_OPTIONS_SHIFT),
 			'subscribe' => $this->getIsAllowed(self::PERMISSION_POLL_SUBSCRIBE),
+			'takeOver' => $this->getIsAllowed(self::PERMISSION_POLL_TAKEOVER),
 			'view' => $this->getIsAllowed(self::PERMISSION_POLL_VIEW),
 			'vote' => $this->getIsAllowed(self::PERMISSION_VOTE_EDIT),
 		];
@@ -560,7 +563,8 @@ public function getIsAllowed(string $permission): bool {
 			self::PERMISSION_POLL_EDIT => $this->getAllowEditPoll(),
 			self::PERMISSION_POLL_DELETE => $this->getAllowDeletePoll(),
 			self::PERMISSION_POLL_ARCHIVE => $this->getAllowEditPoll(),
-			self::PERMISSION_POLL_TAKEOVER => $this->getAllowEditPoll(),
+			self::PERMISSION_POLL_TAKEOVER => $this->getAllowTakeOver(),
+			self::PERMISSION_POLL_CHANGE_OWNER => $this->getAllowChangeOwner(),
 			self::PERMISSION_POLL_SUBSCRIBE => $this->getAllowSubscribeToPoll(),
 			self::PERMISSION_POLL_RESULTS_VIEW => $this->getAllowShowResults(),
 			self::PERMISSION_POLL_USERNAMES_VIEW => $this->getAllowEditPoll() || !$this->getAnonymous(),
@@ -669,6 +673,18 @@ private function getAllowEditPoll(): bool {
 		return false;
 	}
 
+	private function getAllowTakeOver(): bool {
+		return $this->userSession->getCurrentUser()->getIsAdmin();
+	}
+
+	/**
+	 * Checks, if user is allowed to edit the poll configuration
+	 **/
+	private function getAllowChangeOwner(): bool {
+		return $this->getAllowEditPoll()
+		|| $this->userSession->getCurrentUser()->getIsAdmin();
+	}
+
 	/**
 	 * Checks, if user is allowed to access (view) poll
 	 */

lib/Event/PollOwnerChangeEvent.php

@@ -8,12 +8,26 @@
 namespace OCA\Polls\Event;
 
 use OCA\Polls\Db\Poll;
+use OCA\Polls\Notification\Notifier;
 
 class PollOwnerChangeEvent extends PollEvent {
 	public function __construct(
 		protected Poll $poll,
+		protected string $oldOwner,
+		protected string $newOwner,
 	) {
 		parent::__construct($poll);
 		$this->eventId = self::OWNER_CHANGE;
 	}
+	public function getNotification(): array {
+		return [
+			'msgId' => Notifier::NOTIFY_POLL_CHANGED_OWNER,
+			'objectType' => 'poll',
+			'objectValue' => $this->getPollId(),
+			'recipient' => $this->oldOwner,
+			'newOwner' => $this->newOwner,
+			'actor' => $this->getActor(),
+			'pollTitle' => $this->getPollTitle(),
+		];
+	}
 }

lib/Listener/BaseListener.php

@@ -13,7 +13,6 @@
 use OCA\Polls\Event\PollDeletedEvent;
 use OCA\Polls\Event\PollExpiredEvent;
 use OCA\Polls\Event\PollOwnerChangeEvent;
-use OCA\Polls\Event\PollTakeoverEvent;
 use OCA\Polls\Exceptions\InvalidClassException;
 use OCA\Polls\Exceptions\OCPEventException;
 use OCA\Polls\Model\Settings\AppSettings;
@@ -94,8 +93,7 @@ protected function checkClass() : void {
 
 	protected function updateLastInteraction(): void {
 		// Update last interaction, exept event is one of the of excluded events
-		if ($this->event instanceof PollTakeoverEvent
-			|| $this->event instanceof PollOwnerChangeEvent
+		if ($this->event instanceof PollOwnerChangeEvent
 			|| $this->event instanceof PollExpiredEvent
 			|| $this->event instanceof PollDeletedEvent
 			|| $this->event instanceof PollArchivedEvent

lib/Notification/Notifier.php

@@ -17,11 +17,13 @@
 use OCP\L10N\IFactory;
 use OCP\Notification\INotification;
 use OCP\Notification\INotifier;
+use Psr\Log\LoggerInterface;
 
 class Notifier implements INotifier {
 	public const NOTIFY_POLL_DELETED_BY_OTHER = 'deletePollByOther';
 	public const NOTIFY_POLL_ARCHIVED_BY_OTHER = 'softDeletePollByOther';
 	public const NOTIFY_POLL_TAKEOVER = 'takeOverPoll';
+	public const NOTIFY_POLL_CHANGED_OWNER = 'PollChangedOwner';
 	public const NOTIFY_INVITATION = 'invitation';
 	private const SUBJECT_PARSED = 'parsedSubject';
 	private const SUBJECT_RICH = 'richSubject';
@@ -33,6 +35,7 @@ public function __construct(
 		protected PollMapper $pollMapper,
 		private UserMapper $userMapper,
 		private NotificationService $notificationService,
+		private LoggerInterface $logger,
 	) {
 	}
 
@@ -50,22 +53,6 @@ public function getName(): string {
 		return $this->l10nFactory->get(AppConstants::APP_ID)->t('Polls');
 	}
 
-	/**
-	 * @return string[][]
-	 *
-	 * @psalm-return array{actor: array{type: 'user', id: string, name: string}}
-	 */
-	private function getActor(string $actorId): array {
-		$actor = $this->userMapper->getUserFromUserBase($actorId);
-		return [
-			'actor' => [
-				'type' => 'user',
-				'id' => $actor->getId(),
-				'name' => $actor->getDisplayName(),
-			]
-		];
-	}
-
 	public function prepare(INotification $notification, string $languageCode): INotification {
 		$l = $this->l10nFactory->get(AppConstants::APP_ID, $languageCode);
 		if ($notification->getApp() !== AppConstants::APP_ID) {
@@ -81,37 +68,72 @@ public function prepare(INotification $notification, string $languageCode): INot
 
 		try {
 			$poll = $this->pollMapper->get(intval($notification->getObjectId()));
-			$actor = $this->getActor($parameters['actor'] ?? $poll->getOwner());
-			$pollTitle = $poll->getTitle();
-			$notification->setLink($poll->getVoteUrl());
 		} catch (DoesNotExistException $e) {
+			$this->logger->info('Notification silently removed, poll not found', [
+				'notification' => $notification->getObjectId(),
+				'error' => $e->getMessage(),
+			]);
 			$this->notificationService->removeNotification(intval($notification->getObjectId()));
 			return $notification;
 		}
 
+		$actor = $this->userMapper->getUserFromUserBase($parameters['actor'] ?? $poll->getOwner());
+		$pollTitle = $parameters['pollTitle'] ?? $poll->getTitle();
+		$notification->setLink($poll->getVoteUrl());
+
+		// TODO: tidy subjects and parameters
 		$subjects = match ($notification->getSubject()) {
 			self::NOTIFY_INVITATION => [
-				self::SUBJECT_PARSED => $l->t('%s invited you to a poll', $actor['actor']['name']),
+				self::SUBJECT_PARSED => $l->t('%s invited you to a poll', $actor->getDisplayName()),
 				self::SUBJECT_RICH => $l->t('{actor} has invited you to the poll "%s".', $pollTitle),
 			],
 			self::NOTIFY_POLL_TAKEOVER => [
-				self::SUBJECT_PARSED => $l->t('%s took over your poll', $actor['actor']['name']),
+				self::SUBJECT_PARSED => $l->t('%s took over your poll', $actor->getDisplayName()),
 				self::SUBJECT_RICH => $l->t('{actor} took over your poll "%s" and is the new owner.', $pollTitle),
 			],
+			self::NOTIFY_POLL_CHANGED_OWNER => [
+				self::SUBJECT_PARSED => $l->t('%s is the new owner of your poll. ', $parameters['newOwner']),
+				self::SUBJECT_RICH => $l->t('{actor} transfered your poll "%s" to {newOwner}. You are no more the owner.', $pollTitle),
+			],
 			self::NOTIFY_POLL_DELETED_BY_OTHER => [
-				self::SUBJECT_PARSED => $l->t('%s deleted your poll', $actor['actor']['name']),
+				self::SUBJECT_PARSED => $l->t('%s deleted your poll', $actor->getDisplayName()),
 				self::SUBJECT_RICH => $l->t('{actor} deleted your poll "%s".', $pollTitle),
 			],
 			self::NOTIFY_POLL_ARCHIVED_BY_OTHER => [
-				self::SUBJECT_PARSED => $l->t('%s archived your poll', $actor['actor']['name']),
+				self::SUBJECT_PARSED => $l->t('%s archived your poll', $actor->getDisplayName()),
 				self::SUBJECT_RICH => $l->t('{actor} archived your poll "%s".', $pollTitle),
 			],
 			// Unknown subject => Unknown notification => throw
 			default => throw new \InvalidArgumentException(),
 		};
 
-		$notification->setParsedSubject($subjects[self::SUBJECT_PARSED]);
-		$notification->setRichSubject($subjects[self::SUBJECT_RICH], $actor);
+		switch ($notification->getSubject()) {
+			case self::NOTIFY_POLL_CHANGED_OWNER:
+				$newOwner = $this->userMapper->getUserFromUserBase($parameters['newOwner']);
+				// overwrite the subject with the new owner
+				$notification->setParsedSubject(
+					$l->t('%s is the new owner of your poll. ', $newOwner->getDisplayName())
+				);
+
+				$notification->setRichSubject(
+					$subjects[self::SUBJECT_RICH],
+					[
+						'actor' => $actor->getRichObjectString(),
+						'newOwner' => $newOwner->getRichObjectString(),
+					]
+				);
+				break;
+
+			default:
+				$notification->setParsedSubject($subjects[self::SUBJECT_PARSED]);
+				$notification->setRichSubject(
+					$subjects[self::SUBJECT_RICH],
+					[
+						'actor' => $actor->getRichObjectString(),
+					]
+				);
+				break;
+		}
 
 		return $notification;
 	}