lifetype-1.2/class/action/searchaction.class.php

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<?php

    lt_include( PLOG_CLASS_PATH."class/action/blogaction.class.php" );
    lt_include( PLOG_CLASS_PATH."class/dao/searchengine.class.php" );
        lt_include( PLOG_CLASS_PATH."class/view/blogtemplatedview.class.php" );
    lt_include( PLOG_CLASS_PATH."class/data/validator/stringvalidator.class.php" );
    lt_include( PLOG_CLASS_PATH."class/data/filter/htmlfilter.class.php" );
    lt_include( PLOG_CLASS_PATH."class/net/http/httpvars.class.php" );
        lt_include( PLOG_CLASS_PATH."class/view/errorview.class.php" );
        lt_include( PLOG_CLASS_PATH."class/data/pager/pager.class.php" );

        define( "VIEW_SEARCH_TEMPLATE", "searchresults" );

    class SearchAction extends BlogAction
    {
        var $_searchTerms;
    
        function SearchAction( $actionInfo, $request )
        {
            $this->BlogAction( $actionInfo, $request );
                        
                        // data validation
                        $this->registerFieldValidator( "searchTerms", new StringValidator( true ));
                        $this->setValidationErrorView( new ErrorView( $this->_blogInfo, "error_incorrect_search_terms" ));
        }
                
        function perform()
        {
                        // get the search terms that have already been validated...
            $this->_searchTerms = $this->_request->getFilteredValue( "searchTerms", new HtmlFilter());

            if(trim($this->_searchTerms) == ""){
                $this->_view = new ErrorView( $this->_blogInfo, "error_incorrect_search_terms" );
                $this->setCommonData();
                return false;
            }
            
                        // check if the search feature is disabled in this site...
                        $config =& Config::getConfig();
                        if( !$config->getValue( "search_engine_enabled" )) {
                                $this->_view = new ErrorView( $this->_blogInfo, "error_search_engine_disabled" );
                                $this->setCommonData();
                                
                                return false;
                        }
                        
                        // create the view and make sure that it hasn't been cached
            $this->_view = new BlogTemplatedView( $this->_blogInfo, VIEW_SEARCH_TEMPLATE, Array( "searchTerms" => $this->_searchTerms, "page" => $this->_page ));
                        if( $this->_view->isCached()) {
                $this->setCommonData();
                                return true;
                        }
                        
                        // calculate how many results per page
                        $blogSettings = $this->_blogInfo->getSettings();
            $itemsPerPage = $blogSettings->getValue( "show_posts_max" );
                        
                        // get the array with the results
            $searchEngine = new SearchEngine();
            $searchResults = $searchEngine->search( $this->_blogInfo->getId(), 
                                                    $this->_searchTerms,
                                                                                                        POST_STATUS_PUBLISHED,
                                                                                                        false,
                                                                                                        $this->_page,             // page
                                                                                                        $itemsPerPage   // items per page
                                                                                                   );
                        // and the total number of items
                        $numSearchResults = $searchEngine->getNumSearchResults( $this->_blogInfo->getId(),
                                                                                $this->_searchTerms,
                                                                                POST_STATUS_PUBLISHED,
                                                                                false );
                                                                                                                                                
            // if no search results, return an error message
            if( count($searchResults) == 0 ) {
                $this->_view = new ErrorView( $this->_blogInfo, "error_no_search_results" );
                $this->setCommonData();
                
                return true;
            }

            // if only one search result, we can see it straight away 
            if( count($searchResults) == 1 && $numSearchResults == 1 ) {
                                // only one search result, we can redirect the view via the URL,
                                // so that the right permalink appears in the address bar
                $searchResult = array_pop( $searchResults );
                $article = $searchResult->getResult();
                                $url = $this->_blogInfo->getBlogRequestGenerator();
                                // we need to deactivate the XHTML mode of the request generator or else
                                // we'll get things escaped twice!
                                $url->setXHTML( false );
                                $permalink = $url->postPermalink( $article );
                                
                                // load the view and redirect the flow
                                lt_include( PLOG_CLASS_PATH."class/view/redirectview.class.php" );
                                $this->_view = new RedirectView( $permalink );
                                
                                return( true );
            }
            
            // or else, show a list with all the posts that match the requested
            // search terms
            $this->_view->setValue( "searchresults", $searchResults );
            // MARKWU: Now, I can use the searchterms to get the keyword
            $this->_view->setValue( "searchterms", $this->_searchTerms );
            // MARKWU:
                        $config =& Config::getConfig();
            $urlmode = $config->getValue( "request_format_mode" );                      
            $this->_view->setValue( "urlmode", $urlmode );
                // set the page title
            $this->_view->setPageTitle( $this->_blogInfo->getBlog()." | ".$this->_locale->tr("search_results"));

                        // build the pager
                $url = $this->_blogInfo->getBlogRequestGenerator();
                        $basePageUrl = $url->getIndexUrl()."?op=Search&amp;searchTerms=".$this->_searchTerms."&amp;page=";
                        $pager = new Pager( $basePageUrl,            // url to the next page
                                    $this->_page,            // current page
                                    $numSearchResults,            // total number of search results
                                    $itemsPerPage );
        
                $this->_view->setValue( 'pager', $pager );

            $this->setCommonData();
            
            return true;
        }
    }
?>

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