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   1  <?php
   2  
   3      lt_include( PLOG_CLASS_PATH."class/action/admin/adminaction.class.php" );
   4      lt_include( PLOG_CLASS_PATH."class/view/admin/adminpostslistview.class.php" );
   5      lt_include( PLOG_CLASS_PATH."class/dao/articles.class.php" );
   6      lt_include( PLOG_CLASS_PATH."class/template/cachecontrol.class.php" );
   7      lt_include( PLOG_CLASS_PATH."class/data/validator/arrayvalidator.class.php" );
   8      lt_include( PLOG_CLASS_PATH."class/data/validator/integervalidator.class.php" );
   9  
  10      /**
  11       * \ingroup Action
  12       * @private
  13       *
  14       * Deletes a post from the database
  15       */
  16      class AdminDeletePostAction extends AdminAction 
  17      {
  18  
  19          var $_postIds;
  20  
  21          /**
  22           * Constructor. If nothing else, it also has to call the constructor of the parent
  23           * class, BlogAction with the same parameters
  24           */
  25          function AdminDeletePostAction( $actionInfo, $request )
  26          {
  27              $this->AdminAction( $actionInfo, $request );
  28              
  29              // data validation stuff...
  30              $this->_mode = $actionInfo->getActionParamValue();
  31              
  32              if( $this->_mode == "deletePost" )
  33                  $this->registerFieldValidator( "postId", new IntegerValidator());
  34              else 
  35                  $this->registerFieldValidator( "postIds", new ArrayValidator());
  36  
  37              $view = new AdminPostsListView( $this->_blogInfo );
  38              $view->setErrorMessage( $this->_locale->tr("error_incorrect_article_id"));
  39              $this->setValidationErrorView( $view );    
  40              
  41              $this->requirePermission( "update_post" );    
  42          }
  43  
  44          /**
  45           * Carries out the specified action
  46           */
  47          function _deletePosts()
  48          {
  49              // delete the post (it is not physically deleted but rather, we set
  50              // the status field to 'DELETED'
  51              $articles = new Articles();
  52              $errorMessage = "";
  53              $successMessage = "";
  54              $totalOk = 0;
  55              
  56              foreach( $this->_postIds as $postId ) {
  57                  // get the post
  58                  $post = $articles->getBlogArticle( $postId, $this->_blogInfo->getId());
  59                  
  60                  if( $post ) {
  61                      // fire the event
  62                      $this->notifyEvent( EVENT_PRE_POST_DELETE, Array( "article" => &$post ));
  63                      
  64                      $canDelete = false;
  65                      $userId = 0;
  66                      if( $this->userHasPermission( "update_all_user_articles" ))
  67                          $canDelete = true;                
  68                      else {
  69                          if( $post->getUserId() != $this->_userInfo->getId()) 
  70                              $canDelete = false;                    
  71                          else
  72                              $canDelete = true;
  73                      }
  74  
  75                      if( $canDelete ) 
  76                          $result = $articles->deleteArticle( $postId, $post->getUser(), $this->_blogInfo->getId(), false );
  77                      else {
  78                          $errorMessage .= $this->_locale->tr("error_can_only_update_own_articles")." ";
  79                          $result = false;
  80                      }
  81                      
  82                      if( !$result ) {
  83                          $errorMessage .= $this->_locale->pr("error_deleting_article", $post->getTopic())."<br/>";
  84                      }
  85                      else {
  86                          $totalOk++;
  87                          if( $totalOk < 2 ) 
  88                              $successMessage .= $this->_locale->pr("article_deleted_ok", $post->getTopic())."<br/>";
  89                          else
  90                              $successMessage = $this->_locale->pr("articles_deleted_ok", $totalOk );
  91                          // fire the post event
  92                          $this->notifyEvent( EVENT_POST_POST_DELETE, Array( "article" => &$post ));                    
  93                      }
  94                  }
  95                  else {
  96                      $errorMessage .= $this->_locale->pr( "error_deleting_article2", $postId )."<br/>";
  97                  }
  98              }
  99              
 100              // clean up the cache
 101              CacheControl::resetBlogCache( $this->_blogInfo->getId());
 102  
 103              $this->_view = new AdminPostsListView( $this->_blogInfo );
 104              if( $errorMessage != "" ) 
 105                  $this->_view->setErrorMessage( $errorMessage );
 106              if( $successMessage != "" )
 107                  $this->_view->setSuccessMessage( $successMessage );
 108                  
 109              $this->setCommonData();
 110              
 111              return true;
 112          }
 113          
 114  		function perform()
 115          {
 116              // prepare the parameters.. If there's only one category id, then add it to
 117              // an array.
 118              if( $this->_mode == "deletePost" ) {
 119                  $this->_postIds = Array();
 120                  $this->_postIds[] = $this->_request->getValue( "postId" );
 121              }
 122              else
 123                  $this->_postIds = $this->_request->getValue( "postIds" );
 124                  
 125              $this->_deletePosts();
 126          }
 127      }
 128  ?>