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

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<?php

        include_once( PLOG_CLASS_PATH."class/action/blogaction.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/data/validator/integervalidator.class.php" );
    include_once( PLOG_CLASS_PATH."class/data/validator/stringvalidator.class.php" );

        define( "VIEW_RESOURCE_TEMPLATE", "resource" );

        class ViewResourceAction extends BlogAction
    {

        var $_resourceId;
                var $_albumId;
                var $_albumName;
                var $_resourceName;

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

        // checks that the articleId is valid
        function validate()
        {
                        if( !parent::validate())
                                return false;
        
                $this->_resourceId = $this->_request->getValue( "resId" );
            $this->_resourceName = $this->_request->getValue( "resource" );
                        $this->_albumId = $this->_request->getValue( "albumId" );
                        $this->_albumName = $this->_request->getValue( "albumName" );
            
            if( $this->_resourceName == "" ) {
                $validator = new IntegerValidator();
                // if the information is not correct, we better show a message and quit
                if( !$validator->validate( $this->_resourceId )) {
                        $this->_view = new ErrorView( $this->_blogInfo, "error_incorrect_resource_id" );
                    $this->setCommonData();

                    return false;
                }
            }
                        
                        // if no album id parameter in the url, forget about the whole thing
                        if( $this->_albumId == "" && $this->_albumName == "")
                                $this->_albumId = -1;

            return true;
        }

        function perform()
        {
                $galleryResources = new GalleryResources();
                        $galleryAlbums = new GalleryAlbums();
                        
                        // initialize the view
            $this->_view = new BlogView( $this->_blogInfo,
                                                                                 VIEW_RESOURCE_TEMPLATE,
                                                                                 SMARTY_VIEW_CACHE_CHECK,
                                                                                 Array( "resourceId" => $this->_resourceId,
                                                                                        "resourceName" => $this->_resourceName, 
                                                                                        "albumName" => $this->_albumName,
                                                                                        "albumId" => $this->_albumId ));
                        // if it's cached, do nothing
                        if( $this->_view->isCached()) {
                                return true;
                        }
                        
                        // otherwise continue as normal...
                        
                        // try to find the album to which this resource belongs
                        if( $this->_albumName ) {
                                $album = $galleryAlbums->getAlbumByName( $this->_albumName, $this->_blogInfo->getId(), false, false);
                                if( !$album ) {
                                        $this->_view = new ErrorView( $this->_blogInfo );
                                        $this->_view->setValue( "message", "error_fetching_resource" );
                                        $this->setCommonData();
                                        return false;
                                }
                                $this->_albumId = $album->getId();                              
                        }

            // fetch the album we're trying to browse
            if( $this->_resourceName != "" ) {
                $resource = $galleryResources->getResourceFile( $this->_blogInfo->getId(), $this->_resourceName, $this->_albumId );
            }
            else {
                $resource = $galleryResources->getResource( $this->_resourceId, $this->_blogInfo->getId(), $this->_albumId );
            }

            // check if the album was correctly fetched
            if( !$resource ) {
                $this->_view = new ErrorView( $this->_blogInfo );
                $this->_view->setValue( "message", "error_fetching_resource" );
                $this->setCommonData();

                return false;
            }

            // if all went fine, continue loading the next and previous resources so that
                        // navigation can be made easier...
                        $nextResource = $galleryResources->getNextResource( $resource );
                        $prevResource = $galleryResources->getPreviousResource( $resource );
                        
                        // generate events for all the resources we just loaded
                        $this->notifyEvent( EVENT_RESOURCE_LOADED, Array( "resource" => &$resource ));
                        if( $nextResource ) $this->notifyEvent( EVENT_RESOURCE_LOADED, Array( "resource" => &$nextResource )); 
                        if( $prevResource ) $this->notifyEvent( EVENT_RESOURCE_LOADED, Array( "resource" => &$prevResource ));
            $this->_view->setValue( "resource", $resource );
                        $this->_view->setValue( "prevresource", $prevResource );
                        $this->_view->setValue( "nextresource", $nextResource );
            $this->setCommonData();

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

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