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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_cache
   6   *
   7   * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Cache\Administrator\Controller;
  12  
  13  use Joomla\CMS\HTML\HTMLHelper;
  14  use Joomla\CMS\Language\Text;
  15  use Joomla\CMS\MVC\Controller\BaseController;
  16  use Joomla\CMS\Response\JsonResponse;
  17  
  18  // phpcs:disable PSR1.Files.SideEffects
  19  \defined('_JEXEC') or die;
  20  // phpcs:enable PSR1.Files.SideEffects
  21  
  22  /**
  23   * Cache Controller
  24   *
  25   * @since  1.6
  26   */
  27  class DisplayController extends BaseController
  28  {
  29      /**
  30       * The default view for the display method.
  31       *
  32       * @var    string
  33       * @since  4.0.0
  34       */
  35      protected $default_view = 'cache';
  36  
  37      /**
  38       * Method to get The Cache Size
  39       *
  40       * @since   4.0.0
  41       */
  42      public function getQuickiconContent()
  43      {
  44          $model = $this->getModel('Cache');
  45  
  46          $data = $model->getData();
  47  
  48          $size = 0;
  49  
  50          if (!empty($data)) {
  51              foreach ($data as $d) {
  52                  $size += $d->size;
  53              }
  54          }
  55  
  56          // Number bytes are returned in format xxx.xx MB
  57          $bytes = HTMLHelper::_('number.bytes', $size, 'MB', 1);
  58  
  59          if (!empty($bytes)) {
  60              $result['amount'] = $bytes;
  61              $result['sronly'] = Text::sprintf('COM_CACHE_QUICKICON_SRONLY', $bytes);
  62          } else {
  63              $result['amount'] = 0;
  64              $result['sronly'] = Text::sprintf('COM_CACHE_QUICKICON_SRONLY_NOCACHE');
  65          }
  66  
  67          echo new JsonResponse($result);
  68      }
  69  
  70      /**
  71       * Method to delete a list of cache groups.
  72       *
  73       * @return  void
  74       */
  75      public function delete()
  76      {
  77          // Check for request forgeries
  78          $this->checkToken();
  79  
  80          $cid = (array) $this->input->post->get('cid', array(), 'string');
  81  
  82          if (empty($cid)) {
  83              $this->app->enqueueMessage(Text::_('JERROR_NO_ITEMS_SELECTED'), 'warning');
  84          } else {
  85              $result = $this->getModel('cache')->cleanlist($cid);
  86  
  87              if ($result !== array()) {
  88                  $this->app->enqueueMessage(Text::sprintf('COM_CACHE_EXPIRED_ITEMS_DELETE_ERROR', implode(', ', $result)), 'error');
  89              } else {
  90                  $this->app->enqueueMessage(Text::_('COM_CACHE_EXPIRED_ITEMS_HAVE_BEEN_DELETED'), 'message');
  91              }
  92          }
  93  
  94          $this->setRedirect('index.php?option=com_cache');
  95      }
  96  
  97      /**
  98       * Method to delete all cache groups.
  99       *
 100       * @return  void
 101       *
 102       * @since  3.6.0
 103       */
 104      public function deleteAll()
 105      {
 106          // Check for request forgeries
 107          $this->checkToken();
 108  
 109          /** @var \Joomla\Component\Cache\Administrator\Model\CacheModel $model */
 110          $model      = $this->getModel('cache');
 111          $allCleared = true;
 112  
 113          $mCache = $model->getCache();
 114  
 115          foreach ($mCache->getAll() as $cache) {
 116              if ($mCache->clean($cache->group) === false) {
 117                  $this->app->enqueueMessage(
 118                      Text::sprintf(
 119                          'COM_CACHE_EXPIRED_ITEMS_DELETE_ERROR',
 120                          Text::_('JADMINISTRATOR') . ' > ' . $cache->group
 121                      ),
 122                      'error'
 123                  );
 124                  $allCleared = false;
 125              }
 126          }
 127  
 128          if ($allCleared) {
 129              $this->app->enqueueMessage(Text::_('COM_CACHE_MSG_ALL_CACHE_GROUPS_CLEARED'), 'message');
 130          } else {
 131              $this->app->enqueueMessage(Text::_('COM_CACHE_MSG_SOME_CACHE_GROUPS_CLEARED'), 'warning');
 132          }
 133  
 134          $this->app->triggerEvent('onAfterPurge', array());
 135          $this->setRedirect('index.php?option=com_cache&view=cache');
 136      }
 137  
 138      /**
 139       * Purge the cache.
 140       *
 141       * @return  void
 142       */
 143      public function purge()
 144      {
 145          // Check for request forgeries
 146          $this->checkToken();
 147  
 148          if (!$this->getModel('cache')->purge()) {
 149              $this->app->enqueueMessage(Text::_('COM_CACHE_EXPIRED_ITEMS_PURGING_ERROR'), 'error');
 150          } else {
 151              $this->app->enqueueMessage(Text::_('COM_CACHE_EXPIRED_ITEMS_HAVE_BEEN_PURGED'), 'message');
 152          }
 153  
 154          $this->setRedirect('index.php?option=com_cache&view=cache');
 155      }
 156  }