[Sommaire] [Imprimer]

   1  <?php
   2  
   3      lt_include( PLOG_CLASS_PATH."class/action/admin/adminaction.class.php" );
   4      lt_include( PLOG_CLASS_PATH."class/view/admin/adminarticletrackbackslistview.class.php" );
   5      lt_include( PLOG_CLASS_PATH."class/dao/articles.class.php" );    
   6      lt_include( PLOG_CLASS_PATH."class/dao/trackbacks.class.php" );
   7      lt_include( PLOG_CLASS_PATH."class/data/validator/integervalidator.class.php" );
   8      lt_include( PLOG_CLASS_PATH."class/data/validator/arrayvalidator.class.php" );
   9  
  10      /**
  11       * \ingroup Action
  12       * @private
  13       *
  14       * Allows to remove trackbacks from a certain article
  15       */
  16      class AdminDeleteTrackbackAction extends AdminAction 
  17      {
  18  
  19          var $_articleId;
  20          var $_trackbackIds;
  21          var $_mode;
  22  
  23          /**
  24           * Constructor. If nothing else, it also has to call the constructor of the parent
  25           * class, BlogAction with the same parameters
  26           */
  27          function AdminDeleteTrackbackAction( $actionInfo, $request )
  28          {
  29              $this->AdminAction( $actionInfo, $request );
  30              
  31              $this->_mode = $actionInfo->getActionParamValue();
  32              $this->registerFieldValidator( "articleId", new IntegerValidator());
  33              if( $this->_mode == "deleteTrackback" )
  34                  $this->registerFieldValidator( "trackbackId", new IntegerValidator());
  35              else 
  36                  $this->registerFieldValidator( "trackbackIds", new ArrayValidator()); 
  37  
  38              $view = new AdminArticleTrackbacksListView( $this->_blogInfo );
  39              $view->setErrorMessage( $this->_locale->tr("error_deleting_trackbacks"));
  40              $this->setValidationErrorView( $view );
  41              
  42              $this->requirePermission( "update_trackback" );            
  43          }
  44  
  45          /**
  46           * Carries out the specified action
  47           */
  48  		function perform()
  49          {
  50              $this->_articleId = $this->_request->getValue( "articleId" );
  51              if( $this->_mode == "deleteTrackback" ) {
  52                  $trackbackId = $this->_request->getValue( "trackbackId" );
  53                  $this->_trackbackIds = Array();
  54                  $this->_trackbackIds[] = $trackbackId;
  55              }
  56              else
  57                  $this->_trackbackIds = $this->_request->getValue( "trackbackIds" );
  58                  
  59              $this->_deleteTrackbacks();
  60              
  61              return true;
  62          }
  63           
  64          /**
  65           * deletes trackbacks
  66           * @private
  67           */
  68          function _deleteTrackbacks()
  69          {
  70              $trackbacks = new Trackbacks();
  71              $errorMessage = "";
  72              $successMessage = "";
  73              $totalOk = 0;
  74              
  75              if( $this->_articleId > 0 ) {
  76                  // if we can't even load the article, then forget it...
  77                  $articles = new Articles();
  78                  $article = $articles->getBlogArticle( $this->_articleId, $this->_blogInfo->getId());
  79                  if( !$article ) {
  80                      $this->_view = new AdminArticleTrackbacksListView( $this->_blogInfo );
  81                      $this->_view->setErrorMessage( $this->_locale->tr("error_fetching_article" ));
  82                      $this->setCommonData();
  83                      
  84                      return false;
  85                  }
  86              }
  87              else {
  88                  // there was no article, so this probably was the view that shows all trackbacks...
  89                  $article = null;
  90              }
  91              
  92              // loop through the trackbacks and remove them
  93              foreach( $this->_trackbackIds as $trackbackId ) {
  94                  // fetch the trackback
  95                  $trackback = $trackbacks->getTrackBack( $trackbackId );
  96                  
  97                  if( !$trackback ) {
  98                      $errorMessage .= $this->_locale->pr("error_deleting_trackback2", $trackbackId)."<br/>";                
  99                  }
 100                  else {
 101                      // fire the pre-event
 102                      $this->notifyEvent( EVENT_PRE_TRACKBACK_DELETE, Array( "trackback" => &$trackback ));
 103                      
 104                      // check if the trackback really belongs to this blog...
 105                      $article = $trackback->getArticle();
 106                      if( $article && ($article->getBlogId() != $this->_blogInfo->getId())) {
 107                          // if not, then we shouldn't be allowed to remove anything!                        
 108                          $errorMessage .= $this->_locale->pr("error_deleting_trackback", $trackback->getExcerpt())."<br/>";
 109                      }
 110                      else {
 111                          if( !$trackbacks->deleteTrackBack( $trackbackId ))
 112                              $errorMessage .= $this->_locale->pr("error_deleting_trackback", $trackback->getExcerpt())."<br/>";
 113                          else {
 114                              $totalOk++;
 115                              if( $totalOk < 2 ) 
 116                                  $successMessage .= $this->_locale->pr("trackback_deleted_ok", $trackback->getExcerpt());
 117                              else
 118                                  $successMessage = $this->_locale->pr("trackbacks_deleted_ok", $totalOk );
 119                              
 120                              // fire the post-event
 121                              $this->notifyEvent( EVENT_POST_TRACKBACK_DELETE, Array( "trackback" => &$trackback ));
 122                          }
 123                      }                
 124                  }                
 125              }
 126  
 127              // if everything fine, then display the same view again with the feedback
 128              if( $this->_articleId == 0 )
 129                  $this->_view = new AdminArticleTrackbacksListView( $this->_blogInfo, Array( "article" => null ));
 130              else
 131                  $this->_view = new AdminArticleTrackbacksListView( $this->_blogInfo, Array( "article" => $article ));
 132                              
 133              if( $successMessage != "" ) {
 134                  $this->_view->setSuccessMessage( $successMessage );
 135                  // clear the cache
 136                  CacheControl::resetBlogCache( $this->_blogInfo->getId());
 137              }
 138              if( $errorMessage != "" ) $this->_view->setErrorMessage( $errorMessage );
 139              $this->setCommonData();
 140  
 141              // better to return true if everything fine
 142              return true;
 143          }
 144      }
 145  ?>