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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/view/admin/admineditpostview.class.php" );
   6      lt_include( PLOG_CLASS_PATH."class/dao/articles.class.php" );
   7      lt_include( PLOG_CLASS_PATH."class/data/validator/integervalidator.class.php" );
   8  
   9      /**
  10       * \ingroup Action
  11       * @private
  12       *
  13       * Action that shows a form to update a post
  14       */
  15      class AdminEditPostAction extends AdminAction
  16      {
  17  
  18          var $_postId;
  19  
  20          /**
  21           * Constructor. If nothing else, it also has to call the constructor of the parent
  22           * class, BlogAction with the same parameters
  23           */
  24          function AdminEditPostAction( $actionInfo, $request )
  25          {
  26              $this->AdminAction( $actionInfo, $request );
  27              
  28              // data validation
  29              $this->registerFieldValidator( "postId", new IntegerValidator());
  30              // if we don't register the fields below, the view will complain that they are
  31              // not valid!
  32              $this->registerField( "postTopic" );
  33              $this->registerField( "postText" );
  34              $this->registerField( "postCategories" );
  35              $view = new AdminPostsListView( $this->_blogInfo );
  36              $view->setErrorMessage( $this->_locale->tr("error_incorrect_article_id"));
  37              $this->setValidationErrorView( $view );
  38  
  39              $this->requirePermission( "update_post" );
  40          }
  41          
  42          /**
  43           * Carries out the specified action
  44           */
  45          function perform()
  46          {
  47              // fetch the post id that has already been validated
  48               $this->_postId = $this->_request->getValue( "postId" );   
  49              
  50              // fetch the post from the database
  51              $posts = new Articles();
  52              $post  = $posts->getBlogArticle( $this->_postId, $this->_blogInfo->getId(), false );
  53  
  54              // if the article does not exist, quit
  55              if( !$post ) {
  56                  $this->_view = new AdminPostsListView( $this->_blogInfo );
  57                  $this->_view->setErrorMessage( $this->_locale->tr("error_fetching_article" ));
  58                  $this->setCommonData();
  59  
  60                  return false;
  61              }
  62  
  63              // if the user does not have the 'view_all_user_articles' permission, then
  64              // we have to check whether the original poster of the article and the current
  65              // user match
  66              if( !$this->userHasPermission( "view_all_user_articles" )) {
  67                  if( $post->getUserId() != $this->_userInfo->getId()) {
  68                      $this->_view = new AdminPostsListView( $this->_blogInfo );
  69                      $this->_view->setErrorMessage( $this->_locale->tr("error_can_only_view_own_articles" ));
  70                      $this->setCommonData();
  71  
  72                      return false;                    
  73                  }
  74              }
  75  
  76              
  77              
  78              // throw the event
  79              $this->notifyEvent( EVENT_POST_LOADED, Array( "article" => &$post, "from" => "editPost" ));            
  80  
  81              // and create the view where we will edit the post
  82              $this->_view = new AdminEditPostView( $this->_blogInfo );            
  83              $this->_view->setArticle( $post );
  84              $this->_view->setUserInfo( $this->_userInfo );
  85              $this->setCommonData();
  86  
  87              return true;
  88          }
  89      }
  90  ?>