wcfsetup/install/files/lib/system/attachment/AbstractAttachmentObjectType.class.php

   1 <?php
   2 namespace wcf\system\attachment;
   3 use wcf\system\attachment\IAttachmentObjectType;
   4 use wcf\system\WCF;
   5 use wcf\util\ArrayUtil;
   6
   7 /**
   8  * Provides a default implementation for attachment object types.
   9  *
  10  * @author      Marcel Werk
  11  * @copyright   2001-2015 WoltLab GmbH
  12  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  13  * @package     com.woltlab.wcf
  14  * @subpackage  system.attachment
  15  * @category    Community Framework
  16  */
  17 abstract class AbstractAttachmentObjectType implements IAttachmentObjectType {
  18         /**
  19          * cached objects
  20          * @var array<\wcf\data\DatabaseObject>
  21          */
  22         protected $cachedObjects = array();
  23
  24         /**
  25          * @see \wcf\system\attachment\IAttachmentObjectType::getMaxSize()
  26          */
  27         public function getMaxSize() {
  28                 return WCF::getSession()->getPermission('user.attachment.maxSize');
  29         }
  30
  31         /**
  32          * @see \wcf\system\attachment\IAttachmentObjectType::getAllowedExtensions()
  33          */
  34         public function getAllowedExtensions() {
  35                 return ArrayUtil::trim(explode("\n", WCF::getSession()->getPermission('user.attachment.allowedExtensions')));
  36         }
  37
  38         /**
  39          * @see \wcf\system\attachment\IAttachmentObjectType::getMaxCount()
  40          */
  41         public function getMaxCount() {
  42                 return WCF::getSession()->getPermission('user.attachment.maxCount');
  43         }
  44
  45         /**
  46          * @see \wcf\system\attachment\IAttachmentObjectType::canViewPreview()
  47          */
  48         public function canViewPreview($objectID) {
  49                 return $this->canDownload($objectID);
  50         }
  51
  52         /**
  53          * @see \wcf\system\attachment\IAttachmentObjectType::getObject()
  54          */
  55         public function getObject($objectID) {
  56                 if (isset($this->cachedObjects[$objectID])) return $this->cachedObjects[$objectID];
  57
  58                 return null;
  59         }
  60
  61         /**
  62          * @see \wcf\system\attachment\IAttachmentObjectType::setCachedObjects()
  63          */
  64         public function setCachedObjects(array $objects) {
  65                 foreach ($objects as $id => $object) {
  66                         $this->cachedObjects[$id] = $object;
  67                 }
  68         }
  69
  70         /**
  71          * @see \wcf\system\attachment\IAttachmentObjectType::getObject()
  72          */
  73         public function cacheObjects(array $objectIDs) {}
  74
  75         /**
  76          * @see \wcf\system\attachment\IAttachmentObjectType::setPermissions()
  77          */
  78         public function setPermissions(array $attachments) {
  79                 foreach ($attachments as $attachment) {
  80                         $attachment->setPermissions(array(
  81                                 'canDownload' => $this->canDownload($attachment->objectID),
  82                                 'canViewPreview' => $this->canViewPreview($attachment->objectID)
  83                         ));
  84                 }
  85         }
  86 }