nextcloud / deck

	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException

	 * @throws BadRequestException

	 */

	public function assignLabel($cardId, $labelId) {

		if (is_numeric($cardId) === false) {

			throw new BadRequestException('card id must be a number');

		}

		if (is_numeric($labelId) === false) {

			throw new BadRequestException('label id must be a number');

		}

		$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_EDIT);

		if ($this->boardService->isArchived($this->cardMapper, $cardId)) {

			throw new StatusException('Operation not allowed. This board is archived.');

		}

		$card = $this->cardMapper->find($cardId);

		if ($card->getArchived()) {

			throw new StatusException('Operation not allowed. This card is archived.');

		}

		$label = $this->labelMapper->find($labelId);

		$this->cardMapper->assignLabel($cardId, $labelId);

		$this->changeHelper->cardChanged($cardId, false);

		$this->activityManager->triggerEvent(ActivityManager::DECK_OBJECT_CARD, $card, ActivityManager::SUBJECT_LABEL_ASSIGN, ['label' => $label]);

	}

	/**

	 * @param $cardId

	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException

	 * @throws BadRequestException

	 */

	public function removeLabel($cardId, $labelId) {

		if (is_numeric($cardId) === false) {

			throw new BadRequestException('card id must be a number');

		}

		if (is_numeric($labelId) === false) {

			throw new BadRequestException('label id must be a number');

		}

		$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_EDIT);

		if ($this->boardService->isArchived($this->cardMapper, $cardId)) {

			throw new StatusException('Operation not allowed. This board is archived.');

		}

		$card = $this->cardMapper->find($cardId);

		if ($card->getArchived()) {

			throw new StatusException('Operation not allowed. This card is archived.');

		}

		$label = $this->labelMapper->find($labelId);

		$this->cardMapper->removeLabel($cardId, $labelId);

		$this->changeHelper->cardChanged($cardId, false);

		$this->activityManager->triggerEvent(ActivityManager::DECK_OBJECT_CARD, $card, ActivityManager::SUBJECT_LABEL_UNASSING, ['label' => $label]);

	}

	/**

	 * @param $cardId