viewarticletrackbacksaction.class.php

查看本檔案說明文件.

<?php

    include_once( PLOG_CLASS_PATH."class/action/blogaction.class.php" );
    include_once( PLOG_CLASS_PATH."class/view/blogview.class.php" );
    include_once( PLOG_CLASS_PATH."class/dao/articles.class.php" );
    include_once( PLOG_CLASS_PATH."class/dao/trackbacks.class.php" );
    include_once( PLOG_CLASS_PATH."class/view/errorview.class.php" );
    include_once( PLOG_CLASS_PATH."class/dao/users.class.php" );
    include_once( PLOG_CLASS_PATH."class/dao/articlecategories.class.php" );

    define( "VIEW_TRACKBACKS_TEMPLATE", "posttrackbacks" );

    class ViewArticleTrackbacksAction extends BlogAction 
    {
    
        var $_articleId;
    var $_articleName;
        var $_categoryId;
        var $_categoryName;
        var $_userId;
        var $_userName;
        var $_date;

        function ViewArticleTrackbacksAction( $actionInfo, $request )
        {
            $this->BlogAction( $actionInfo, $request );
        }


        function validate()
        {
            $this->_articleId    = $this->_request->getValue( "articleId" );
            $this->_articleName  = $this->_request->getValue( "articleName" );
            $this->_categoryId   = $this->_request->getValue( "postCategoryId", -1 );
            $this->_categoryName = $this->_request->getValue( "postCategoryName" );
            $this->_userId       = $this->_request->getValue( "userId", -1 );
            $this->_userName     = $this->_request->getValue( "userName" );
            $this->_date         = $this->_request->getValue( "Date", -1 );
            
            // Caculate the correct article date period
            $adjustedDates = $this->_getCorrectedDatePeriod( $this->_date );
            $this->_date = $adjustedDates["adjustedDate"];
            $this->_maxDate = $adjustedDates["maxDate"];
            
            return true;
        }

        function perform()
        {
            $this->_view = new BlogView( $this->_blogInfo,
                         VIEW_TRACKBACKS_TEMPLATE, 
                         SMARTY_VIEW_CACHE_CHECK,
                         Array( "articleId" => $this->_articleId,
                            "articleName" => $this->_articleName,
                            "categoryName" => $this->_categoryName,
                            "categoryId" => $this->_categoryId,
                            "userId" => $this->_userId,
                            "userName" => $this->_userName,
                            "date" => $this->_date ));

             if( $this->_view->isCached()) {
                return true;
             }
        
            // ---
            // if we got a category name or a user name instead of a category
            // id and a user id, then we have to look up first those
            // and then proceed
            // ---
            // users...
            if( $this->_userName ) {
                $users = new Users();
                $user = $users->getUserInfoFromUsername( $this->_userName );
                if( !$user ) {
                    $this->_setErrorView();
                    return false;               
                }
                // if there was a user, use his/her id
                $this->_userId = $user->getId();
            }
            // ...and categories...
            if( $this->_categoryName ) {
                $categories = new ArticleCategories();
                $category = $categories->getCategoryByName( $this->_categoryName, $this->_blogInfo->getId());
                if( !$category ) {
                    $this->_setErrorView();
                    return false;               
                }
                // if there was a user, use his/her id
                $this->_categoryId = $category->getId();
            }       
        
            // fetch the article
            $articles = new Articles();
            if( $this->_articleId ) {
                $article  = $articles->getBlogArticle( $this->_articleId, $this->_blogInfo->getId(),
                                                       false, $this->_date, $this->_categoryId, $this->_userId,
                                                       POST_STATUS_PUBLISHED, $this->_maxDate );
            }
            else {
                $article = $articles->getBlogArticleByTitle( $this->_articleName, $this->_blogInfo->getId(),
                                                           false, $this->_date, $this->_categoryId, $this->_userId,
                                                           POST_STATUS_PUBLISHED, $this->_maxDate );
            }

            // if the article id doesn't exist, cancel the whole thing...
            if( $article == false ) {
                $this->_view = new ErrorView( $this->_blogInfo );
                $this->_view->setValue( "message", "error_fetching_article" );
                $this->setCommonData();

                return false;
            }           
            $this->notifyEvent( EVENT_POST_LOADED, Array( "article" => &$article ));
            $this->notifyEvent( EVENT_TRACKBACKS_LOADED, Array( "article" => &$article ));
            
            // if everything's fine, we set up the article object for the view
            $this->_view->setValue( "post", $article );
            $this->_view->setValue( "trackbacks", $article->getTrackbacks());
            $this->setCommonData();

            // and return everything normal
            return true;
        }
    }
?>

 

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