nextcloud/apps/user_status/lib/Service/StatusService.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020, Georg Ehrke
*
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\UserStatus\Service;
use OCA\UserStatus\Db\UserStatus;
use OCA\UserStatus\Db\UserStatusMapper;
use OCA\UserStatus\Exception\InvalidClearAtException;
use OCA\UserStatus\Exception\InvalidMessageIdException;
use OCA\UserStatus\Exception\InvalidStatusIconException;
use OCA\UserStatus\Exception\InvalidStatusTypeException;
use OCA\UserStatus\Exception\StatusMessageTooLongException;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\UserStatus\IUserStatus;
/**
* Class StatusService
*
* @package OCA\UserStatus\Service
*/
class StatusService {
/** @var UserStatusMapper */
private $mapper;
/** @var ITimeFactory */
private $timeFactory;
/** @var PredefinedStatusService */
private $predefinedStatusService;
/** @var EmojiService */
private $emojiService;
/**
* List of priorities ordered by their priority
*/
public const PRIORITY_ORDERED_STATUSES = [
IUserStatus::ONLINE,
IUserStatus::AWAY,
IUserStatus::DND,
IUserStatus::INVISIBLE,
IUserStatus::OFFLINE
];
/**
* List of statuses that persist the clear-up
* or UserLiveStatusEvents
*/
public const PERSISTENT_STATUSES = [
IUserStatus::AWAY,
IUserStatus::DND,
IUserStatus::INVISIBLE,
];
/** @var int */
public const INVALIDATE_STATUS_THRESHOLD = 15 /* minutes */ * 60 /* seconds */;
/** @var int */
public const MAXIMUM_MESSAGE_LENGTH = 80;
/**
* StatusService constructor.
*
* @param UserStatusMapper $mapper
* @param ITimeFactory $timeFactory
* @param PredefinedStatusService $defaultStatusService,
* @param EmojiService $emojiService
*/
public function __construct(UserStatusMapper $mapper,
ITimeFactory $timeFactory,
PredefinedStatusService $defaultStatusService,
EmojiService $emojiService) {
$this->mapper = $mapper;
$this->timeFactory = $timeFactory;
$this->predefinedStatusService = $defaultStatusService;
$this->emojiService = $emojiService;
}
/**
* @param int|null $limit
* @param int|null $offset
* @return UserStatus[]
*/
public function findAll(?int $limit = null, ?int $offset = null): array {
return array_map(function ($status) {
return $this->processStatus($status);
}, $this->mapper->findAll($limit, $offset));
}
/**
* @param int|null $limit
* @param int|null $offset
* @return array
*/
public function findAllRecentStatusChanges(?int $limit = null, ?int $offset = null): array {
return array_map(function ($status) {
return $this->processStatus($status);
}, $this->mapper->findAllRecent($limit, $offset));
}
/**
* @param string $userId
* @return UserStatus
* @throws DoesNotExistException
*/
public function findByUserId(string $userId):UserStatus {
return $this->processStatus($this->mapper->findByUserId($userId));
}
/**
* @param array $userIds
* @return UserStatus[]
*/
public function findByUserIds(array $userIds):array {
return array_map(function ($status) {
return $this->processStatus($status);
}, $this->mapper->findByUserIds($userIds));
}
/**
* @param string $userId
* @param string $status
* @param int|null $statusTimestamp
* @param bool $isUserDefined
* @return UserStatus
* @throws InvalidStatusTypeException
*/
public function setStatus(string $userId,
string $status,
?int $statusTimestamp,
bool $isUserDefined): UserStatus {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
$userStatus = new UserStatus();
$userStatus->setUserId($userId);
}
// Check if status-type is valid
if (!\in_array($status, self::PRIORITY_ORDERED_STATUSES, true)) {
throw new InvalidStatusTypeException('Status-type "' . $status . '" is not supported');
}
if ($statusTimestamp === null) {
$statusTimestamp = $this->timeFactory->getTime();
}
$userStatus->setStatus($status);
$userStatus->setStatusTimestamp($statusTimestamp);
$userStatus->setIsUserDefined($isUserDefined);
if ($userStatus->getId() === null) {
return $this->mapper->insert($userStatus);
}
return $this->mapper->update($userStatus);
}
/**
* @param string $userId
* @param string $messageId
* @param int|null $clearAt
* @return UserStatus
* @throws InvalidMessageIdException
* @throws InvalidClearAtException
*/
public function setPredefinedMessage(string $userId,
string $messageId,
?int $clearAt): UserStatus {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
$userStatus = new UserStatus();
$userStatus->setUserId($userId);
$userStatus->setStatus(IUserStatus::OFFLINE);
$userStatus->setStatusTimestamp(0);
$userStatus->setIsUserDefined(false);
}
if (!$this->predefinedStatusService->isValidId($messageId)) {
throw new InvalidMessageIdException('Message-Id "' . $messageId . '" is not supported');
}
// Check that clearAt is in the future
if ($clearAt !== null && $clearAt < $this->timeFactory->getTime()) {
throw new InvalidClearAtException('ClearAt is in the past');
}
$userStatus->setMessageId($messageId);
$userStatus->setCustomIcon(null);
$userStatus->setCustomMessage(null);
$userStatus->setClearAt($clearAt);
if ($userStatus->getId() === null) {
return $this->mapper->insert($userStatus);
}
return $this->mapper->update($userStatus);
}
/**
* @param string $userId
* @param string|null $statusIcon
* @param string|null $message
* @param int|null $clearAt
* @return UserStatus
* @throws InvalidClearAtException
* @throws InvalidStatusIconException
* @throws StatusMessageTooLongException
*/
public function setCustomMessage(string $userId,
?string $statusIcon,
string $message,
?int $clearAt): UserStatus {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
$userStatus = new UserStatus();
$userStatus->setUserId($userId);
$userStatus->setStatus(IUserStatus::OFFLINE);
$userStatus->setStatusTimestamp(0);
$userStatus->setIsUserDefined(false);
}
// Check if statusIcon contains only one character
if ($statusIcon !== null && !$this->emojiService->isValidEmoji($statusIcon)) {
throw new InvalidStatusIconException('Status-Icon is longer than one character');
}
// Check for maximum length of custom message
if (\mb_strlen($message) > self::MAXIMUM_MESSAGE_LENGTH) {
throw new StatusMessageTooLongException('Message is longer than supported length of ' . self::MAXIMUM_MESSAGE_LENGTH . ' characters');
}
// Check that clearAt is in the future
if ($clearAt !== null && $clearAt < $this->timeFactory->getTime()) {
throw new InvalidClearAtException('ClearAt is in the past');
}
$userStatus->setMessageId(null);
$userStatus->setCustomIcon($statusIcon);
$userStatus->setCustomMessage($message);
$userStatus->setClearAt($clearAt);
if ($userStatus->getId() === null) {
return $this->mapper->insert($userStatus);
}
return $this->mapper->update($userStatus);
}
/**
* @param string $userId
* @return bool
*/
public function clearStatus(string $userId): bool {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
// if there is no status to remove, just return
return false;
}
$userStatus->setStatus(IUserStatus::OFFLINE);
$userStatus->setStatusTimestamp(0);
$userStatus->setIsUserDefined(false);
$this->mapper->update($userStatus);
return true;
}
/**
* @param string $userId
* @return bool
*/
public function clearMessage(string $userId): bool {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
// if there is no status to remove, just return
return false;
}
$userStatus->setMessageId(null);
$userStatus->setCustomMessage(null);
$userStatus->setCustomIcon(null);
$userStatus->setClearAt(null);
$this->mapper->update($userStatus);
return true;
}
/**
* @param string $userId
* @return bool
*/
public function removeUserStatus(string $userId): bool {
try {
$userStatus = $this->mapper->findByUserId($userId);
} catch (DoesNotExistException $ex) {
// if there is no status to remove, just return
return false;
}
$this->mapper->delete($userStatus);
return true;
}
/**
* Processes a status to check if custom message is still
* up to date and provides translated default status if needed
*
* @param UserStatus $status
* @returns UserStatus
*/
private function processStatus(UserStatus $status): UserStatus {
$clearAt = $status->getClearAt();
if ($status->getStatusTimestamp() < $this->timeFactory->getTime() - self::INVALIDATE_STATUS_THRESHOLD
&& (!$status->getIsUserDefined() || $status->getStatus() === IUserStatus::ONLINE)) {
$this->cleanStatus($status);
}
if ($clearAt !== null && $clearAt < $this->timeFactory->getTime()) {
$this->cleanStatusMessage($status);
}
if ($status->getMessageId() !== null) {
$this->addDefaultMessage($status);
}
return $status;
}
/**
* @param UserStatus $status
*/
private function cleanStatus(UserStatus $status): void {
$status->setStatus(IUserStatus::OFFLINE);
$status->setStatusTimestamp($this->timeFactory->getTime());
$status->setIsUserDefined(false);
$this->mapper->update($status);
}
/**
* @param UserStatus $status
*/
private function cleanStatusMessage(UserStatus $status): void {
$status->setMessageId(null);
$status->setCustomIcon(null);
$status->setCustomMessage(null);
$status->setClearAt(null);
$this->mapper->update($status);
}
/**
* @param UserStatus $status
*/
private function addDefaultMessage(UserStatus $status): void {
// If the message is predefined, insert the translated message and icon
$predefinedMessage = $this->predefinedStatusService->getDefaultStatusById($status->getMessageId());
if ($predefinedMessage !== null) {
$status->setCustomMessage($predefinedMessage['message']);
$status->setCustomIcon($predefinedMessage['icon']);
}
}
}