lifetype/branches/lifetype-1.0.6/class/action/viewalbumaction.class.php

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<?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/view/errorview.class.php" );
    include_once( PLOG_CLASS_PATH."class/gallery/dao/galleryresources.class.php" );
    include_once( PLOG_CLASS_PATH."class/gallery/dao/galleryalbums.class.php" );
    include_once( PLOG_CLASS_PATH."class/data/validator/integervalidator.class.php" );
    include_once( PLOG_CLASS_PATH."class/data/validator/stringvalidator.class.php" );

        define( "VIEW_ALBUMS_TEMPLATE", "albums" );
        define( "VIEW_ALBUM_TEMPLATE", "album" );

        class ViewAlbumAction extends BlogAction
    {

        var $_albumId;

                function ViewAlbumAction( $actionInfo, $request )
        {
                        $this->BlogAction( $actionInfo, $request );
                        
                        $this->registerFieldValidator( "albumId", new IntegerValidator(), true );
                        $this->registerFieldValidator( "albumName", new StringValidator(), true );
                        
                        $this->setValidationErrorView( new ErrorView( $this->_blogInfo, "error_fetching_album" ));
        }

        // checks that the articleId is valid
        function validate()
        {
                        if( !parent::validate())
                                return false;
        
                $this->_albumId = $this->_request->getValue( "albumId", 0 );
                        $this->_albumName = $this->_request->getValue( "albumName" );
                        
            return true;
        }

        function perform()
        {
                $galleryResources = new GalleryResources();
            $galleryAlbums = new GalleryAlbums();

                        $browseRootAlbum = ( $this->_albumId == 0 && $this->_albumName == "" ); 
                        
                        // check which template we should use
            if( $browseRootAlbum )
                                $template = VIEW_ALBUMS_TEMPLATE;
            else
                                $template = VIEW_ALBUM_TEMPLATE;
            
                        // initialize the view and check if it was cached
                        $this->_view = new BlogView( $this->_blogInfo, 
                                                     $template, 
                                                                                 SMARTY_VIEW_CACHE_CHECK,
                                                                                 Array( "albumId" => $this->_albumId, "albumName" => $this->_albumName ));
                        if( $this->_view->isCached()) {
                                // nothing to do if it is cached!
                                return true;
                        }

            // fetch the album we're trying to browse
            if( $browseRootAlbum ) {
                // fetch only the first level albums
                $blogAlbums = $galleryAlbums->getChildAlbums( 0, $this->_blogInfo->getId(), true );
                                if( count($blogAlbums) == 0 ) {
                                        $this->_view = new ErrorView( $this->_blogInfo );
                                        $this->_view->setValue( "message", "error_no_albums_defined" );
                                }
                                else {
                                        $this->notifyEvent( EVENT_ALBUMS_LOADED, Array( "albums" => &$blogAlbums ));
                                        $this->_view->setValue( "albums", $blogAlbums );
                                }
            }
            else {
                // the third parameter is telling _not_ to fetch all those albums that have
                // been disabled and are not to be shown in the page when browsing the album
                                if( $this->_albumName ) {
                                        $album = $galleryAlbums->getAlbumByName( $this->_albumName, $this->_blogInfo->getId(), true, true );
                                }
                                else {
                                        $album = $galleryAlbums->getAlbum( $this->_albumId, $this->_blogInfo->getId(), true, true );
                                }                               
                // check if the album was correctly fetched
                if( !$album ) {
                        $this->_view = new ErrorView( $this->_blogInfo );
                    $this->_view->setValue( "message", "error_fetching_album" );
                    $this->setCommonData();

                    return false;
                }
                                $this->notifyEvent( EVENT_ALBUM_LOADED, Array( "album" => &$blogAlbum ));                               
                // put the album to the template
                $this->_view->setValue( "album", $album );
            }

            // if all went fine, continue
            $this->setCommonData();
                        
            // and return everything normal
            return true;
        }
    }
?>

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