Files
deck/lib/Service/CommentService.php
2023-02-08 14:02:06 +01:00

237 lines
8.5 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Deck\Service;
use OCA\Deck\AppInfo\Application;
use OCA\Deck\BadRequestException;
use OCA\Deck\Db\Acl;
use OCA\Deck\Db\CardMapper;
use OCA\Deck\NoPermissionException;
use OCA\Deck\NotFoundException;
use OCP\AppFramework\Http\DataResponse;
use OCP\Comments\IComment;
use OCP\Comments\ICommentsManager;
use OCP\Comments\MessageTooLongException;
use OCP\Comments\NotFoundException as CommentNotFoundException;
use OCP\ILogger;
use OCP\IUserManager;
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;
public function __construct(ICommentsManager $commentsManager, PermissionService $permissionService, CardMapper $cardMapper, IUserManager $userManager, ILogger $logger, ?string $userId) {
$this->commentsManager = $commentsManager;
$this->permissionService = $permissionService;
$this->cardMapper = $cardMapper;
$this->userManager = $userManager;
$this->logger = $logger;
$this->userId = $userId;
}
public function list(string $cardId, int $limit = 20, int $offset = 0): DataResponse {
if (!is_numeric($cardId)) {
throw new BadRequestException('A valid card id must be provided');
}
$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_READ);
$comments = $this->commentsManager->getForObject(Application::COMMENT_ENTITY_TYPE, $cardId, $limit, $offset);
$result = [];
foreach ($comments as $comment) {
$formattedComment = $this->formatComment($comment);
try {
if ($comment->getParentId() !== '0' && $replyTo = $this->commentsManager->get($comment->getParentId())) {
$formattedComment['replyTo'] = $this->formatComment($replyTo);
}
} catch (CommentNotFoundException $e) {
}
$result[] = $formattedComment;
}
return new DataResponse($result);
}
/**
* @param int $cardId
* @param int $commentId
* @return IComment
* @throws NoPermissionException
* @throws NotFoundException
*/
private function get(int $cardId, int $commentId): IComment {
$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_READ);
try {
$comment = $this->commentsManager->get((string) $commentId);
if ($comment->getObjectType() !== Application::COMMENT_ENTITY_TYPE || (int) $comment->getObjectId() !== $cardId) {
throw new CommentNotFoundException();
}
} catch (CommentNotFoundException $e) {
throw new NotFoundException('No comment found.');
}
if ($comment->getParentId() !== '0') {
$this->permissionService->checkPermission($this->cardMapper, $comment->getParentId(), Acl::PERMISSION_READ);
}
return $comment;
}
/**
* @param int $cardId
* @param int $commentId
* @return array
* @throws NoPermissionException
* @throws NotFoundException
*/
public function getFormatted(int $cardId, int $commentId): array {
$comment = $this->get($cardId, $commentId);
return $this->formatComment($comment);
}
/**
* @param string $cardId
* @param string $message
* @param string $replyTo
* @return DataResponse
* @throws BadRequestException
* @throws NotFoundException|NoPermissionException
*/
public function create(string $cardId, string $message, string $replyTo = '0'): DataResponse {
if (!is_numeric($cardId)) {
throw new BadRequestException('A valid card id must be provided');
}
$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_READ);
// Check if parent is a comment on the same card
if ($replyTo !== '0') {
try {
$comment = $this->commentsManager->get($replyTo);
if ($comment->getObjectType() !== Application::COMMENT_ENTITY_TYPE || $comment->getObjectId() !== $cardId) {
throw new CommentNotFoundException();
}
} catch (CommentNotFoundException $e) {
throw new BadRequestException('Invalid parent id: The parent comment was not found or belongs to a different card');
}
}
try {
$comment = $this->commentsManager->create('users', $this->userId, Application::COMMENT_ENTITY_TYPE, $cardId);
$comment->setMessage($message);
$comment->setVerb('comment');
$comment->setParentId($replyTo);
$this->commentsManager->save($comment);
return new DataResponse($this->formatComment($comment, true));
} catch (\InvalidArgumentException $e) {
throw new BadRequestException('Invalid input values');
} catch (MessageTooLongException $e) {
$msg = 'Message exceeds allowed character limit of ';
throw new BadRequestException($msg . IComment::MAX_MESSAGE_LENGTH);
} catch (CommentNotFoundException $e) {
throw new NotFoundException('Could not create comment.');
}
}
public function update(string $cardId, string $commentId, string $message): DataResponse {
if (!is_numeric($cardId)) {
throw new BadRequestException('A valid card id must be provided');
}
if (!is_numeric($commentId)) {
throw new BadRequestException('A valid comment id must be provided');
}
$comment = $this->get((int) $cardId, (int) $commentId);
if ($comment->getActorType() !== 'users' || $comment->getActorId() !== $this->userId) {
throw new NoPermissionException('Only authors are allowed to edit their comment.');
}
$comment->setMessage($message);
$this->commentsManager->save($comment);
return new DataResponse($this->formatComment($comment));
}
public function delete(string $cardId, string $commentId): DataResponse {
if (!is_numeric($cardId)) {
throw new BadRequestException('A valid card id must be provided');
}
if (!is_numeric($commentId)) {
throw new BadRequestException('A valid comment id must be provided');
}
$this->permissionService->checkPermission($this->cardMapper, $cardId, Acl::PERMISSION_READ);
try {
$comment = $this->commentsManager->get($commentId);
if ($comment->getObjectType() !== Application::COMMENT_ENTITY_TYPE || $comment->getObjectId() !== $cardId) {
throw new CommentNotFoundException();
}
} catch (CommentNotFoundException $e) {
throw new NotFoundException('No comment found.');
}
if ($comment->getActorType() !== 'users' || $comment->getActorId() !== $this->userId) {
throw new NoPermissionException('Only authors are allowed to edit their comment.');
}
$this->commentsManager->delete($commentId);
return new DataResponse([]);
}
private function formatComment(IComment $comment, $addReplyTo = false): array {
$user = $this->userManager->get($comment->getActorId());
$actorDisplayName = $user !== null ? $user->getDisplayName() : $comment->getActorId();
$formattedComment = [
'id' => (int)$comment->getId(),
'objectId' => (int)$comment->getObjectId(),
'message' => $comment->getMessage(),
'actorId' => $comment->getActorId(),
'actorType' => $comment->getActorType(),
'actorDisplayName' => $actorDisplayName,
'creationDateTime' => $comment->getCreationDateTime()->format(\DateTime::ATOM),
'mentions' => array_map(function ($mention) {
try {
$displayName = $this->commentsManager->resolveDisplayName($mention['type'], $mention['id']);
} catch (OutOfBoundsException $e) {
$this->logger->logException($e);
// No displayname, upon client's discretion what to display.
$displayName = '';
}
return [
'mentionId' => $mention['id'],
'mentionType' => $mention['type'],
'mentionDisplayName' => $displayName
];
}, $comment->getMentions()),
];
try {
if ($addReplyTo && $comment->getParentId() !== '0' && $replyTo = $this->commentsManager->get($comment->getParentId())) {
$formattedComment['replyTo'] = $this->formatComment($replyTo);
}
} catch (CommentNotFoundException $e) {
}
return $formattedComment;
}
}