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<?php
declare(strict_types=1);
/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @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\Mail\Listener;
use Horde_Imap_Client;
use Horde_Imap_Client_Exception;
use OCA\Mail\Account;
use OCA\Mail\Db\Mailbox;
use OCA\Mail\Db\MailboxMapper;
use OCA\Mail\Db\Message;
use OCA\Mail\Events\DraftSavedEvent;
use OCA\Mail\Events\MessageDeletedEvent;
use OCA\Mail\Events\MessageSentEvent;
use OCA\Mail\IMAP\IMAPClientFactory;
use OCA\Mail\IMAP\MessageMapper;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\EventDispatcher\IEventListener;
use Psr\Log\LoggerInterface;
class DeleteDraftListener implements IEventListener {
/** @var IMAPClientFactory */
private $imapClientFactory;
/** @var MailboxMapper */
private $mailboxMapper;
/** @var MessageMapper */
private $messageMapper;
/** @var LoggerInterface */
private $logger;
/** @var IEventDispatcher */
private $eventDispatcher;
public function __construct(IMAPClientFactory $imapClientFactory,
MailboxMapper $mailboxMapper,
MessageMapper $messageMapper,
LoggerInterface $logger,
IEventDispatcher $eventDispatcher) {
$this->imapClientFactory = $imapClientFactory;
$this->mailboxMapper = $mailboxMapper;
$this->messageMapper = $messageMapper;
$this->logger = $logger;
$this->eventDispatcher = $eventDispatcher;
}
public function handle(Event $event): void {
if ($event instanceof DraftSavedEvent && $event->getDraft() !== null) {
$this->deleteDraft($event->getAccount(), $event->getDraft());
} elseif ($event instanceof MessageSentEvent && $event->getDraft() !== null) {
$this->deleteDraft($event->getAccount(), $event->getDraft());
}
}
/**
* @param Account $account
* @param Message $draft
*/
private function deleteDraft(Account $account, Message $draft): void {
$client = $this->imapClientFactory->getClient($account);
try {
$draftsMailbox = $this->getDraftsMailbox($account);
} catch (DoesNotExistException $e) {
$this->logger->warning("Account has no draft mailbox set, can't delete the draft");
return;
}
try {
$this->messageMapper->addFlag(
$client,
$draftsMailbox,
[$draft->getUid()], // TODO: the UID could be from another mailbox
Horde_Imap_Client::FLAG_DELETED
);
} catch (Horde_Imap_Client_Exception $e) {
$this->logger->error('Could not flag draft as deleted', [
'exception' => $e,
]);
}
try {
$client->expunge($draftsMailbox->getName());
} catch (Horde_Imap_Client_Exception $e) {
$this->logger->error('Could not expunge drafts folder', [
'exception' => $e,
]);
}
$this->eventDispatcher->dispatchTyped(
new MessageDeletedEvent($account, $draftsMailbox, $draft->getUid())
);
}
/**
* @throws DoesNotExistException
*/
private function getDraftsMailbox(Account $account): Mailbox {
$draftsMailboxId = $account->getMailAccount()->getDraftsMailboxId();
if ($draftsMailboxId === null) {
throw new DoesNotExistException("No drafts mailbox ID set");
}
return $this->mailboxMapper->findById($draftsMailboxId);
}
}
|
