src/Module/Calendar/Export.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\Calendar;
  23
  24 use Friendica\App;
  25 use Friendica\BaseModule;
  26 use Friendica\Core\L10n;
  27 use Friendica\Core\Session\Capability\IHandleUserSessions;
  28 use Friendica\Model\Event;
  29 use Friendica\Model\User;
  30 use Friendica\Module\Response;
  31 use Friendica\Navigation\SystemMessages;
  32 use Friendica\Network\HTTPException;
  33 use Friendica\Util\Profiler;
  34 use Psr\Log\LoggerInterface;
  35
  36 /**
  37  * Controller to export a calendar from a given user
  38  */
  39 class Export extends BaseModule
  40 {
  41         const EXPORT_ICAL = 'ical';
  42         const EXPORT_CSV  = 'csv';
  43
  44         const DEFAULT_EXPORT = self::EXPORT_ICAL;
  45
  46         /** @var IHandleUserSessions */
  47         protected $session;
  48         /** @var SystemMessages */
  49         protected $sysMessages;
  50
  51         public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, IHandleUserSessions $session, SystemMessages $sysMessages, array $server, array $parameters = [])
  52         {
  53                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  54
  55                 $this->session     = $session;
  56                 $this->sysMessages = $sysMessages;
  57         }
  58
  59         protected function rawContent(array $request = [])
  60         {
  61                 if (!$this->session->getLocalUserId()) {
  62                         throw new HTTPException\UnauthorizedException($this->t('Permission denied.'));
  63                 }
  64
  65                 $owner = User::getByNickname($this->parameters['nickname'], ['uid']);
  66                 if (empty($owner)) {
  67                         throw new HTTPException\NotFoundException($this->t('User not found.'));
  68                 }
  69                 $ownerUid = $owner['uid'];
  70                 $format   = $this->parameters['format'] ?: static::DEFAULT_EXPORT;
  71
  72                 // Get the export data by uid
  73                 $evexport = Event::exportListByUserId($ownerUid, $format);
  74
  75                 if (!$evexport["success"]) {
  76                         if ($evexport["content"]) {
  77                                 $this->sysMessages->addNotice($this->t('This calendar format is not supported'));
  78                         } else {
  79                                 $this->sysMessages->addNotice($this->t('No exportable data found'));
  80                         }
  81
  82                         // If it is the own calendar return to the events page
  83                         // otherwise to the profile calendar page
  84                         if ($this->session->getLocalUserId() === $ownerUid) {
  85                                 $returnPath = 'calendar';
  86                         } else {
  87                                 $returnPath = 'calendar/show/' . $this->parameters['nickname'];
  88                         }
  89
  90                         $this->baseUrl->redirect($returnPath);
  91                 }
  92
  93                 // If nothing went wrong we can echo the export content
  94                 if ($evexport["success"]) {
  95                         $this->response->setHeader(sprintf('Content-Disposition: attachment; filename="%s-%s.%s"',
  96                                 $this->t('calendar'),
  97                                 $this->parameters['nickname'],
  98                                 $evexport["extension"]
  99                         ));
 100
 101                         switch ($format) {
 102                                 case static::EXPORT_ICAL:
 103                                         $this->response->setType(Response::TYPE_BLANK, 'text/ics');
 104                                         break;
 105                                 case static::EXPORT_CSV:
 106                                         $this->response->setType(Response::TYPE_BLANK, 'text/csv');
 107                                         break;
 108                         }
 109
 110                         $this->response->addContent($evexport['content']);
 111                 }
 112         }
 113 }