<?php

/**
 * @Page('title' = 'Search', 'group' = 'search', 'roles' = {'authenticated'})
 * */
class Search extends BasePage {

    /**
     * @Secured('roles' = {'authenticated'}, 'valid' = {})
     * */
    public function actionSearch() {
        $_SESSION['searchword'] = $_POST['word'];
        return array('pid' => 'Search', 'mode' => 'results');
    }
    
    /**
     * @Secured('roles' = {'authenticated'}, 'valid' = {})
     * */
    public function actionMetaDataSearch() {
        global $kdb;
        $mds = array();
        foreach (array('targetgroup','language','resourcetype','lre','difficulty') as $md) {
            if (isset($_POST[$md]) && is_array($_POST[$md])) {
                $mds [$md] = $_POST[$md];
            }
        }
        if (count($mds)>0) {
            $_SESSION['search_results'] = $mds;     
            return array('pid' => 'Search', 'mode' => 'metadata', 'searchAction' => 'multisearch');
        }
        return array('pid' => 'Search', 'mode' => 'metadata');
    }

    function getSearchWord() {
        if ( !isset($_SESSION['searchword']) ) {
            return "";
        }
        return $_SESSION['searchword'];
    }

    function getResults() {
        $sword = $this->getSearchWord();
        if ( strlen($sword) > 0 ) {
            return $this->kdb->getResourcesByFTI($sword);
        }
        return array();
    }
    
    public function getDifMD($mdk) {
        global $kdb;
        $tgs = array();
        $ret = $this->kdb->query("SELECT ".$mdk.", count(".$mdk.") FROM ".$mdk." left JOIN resources on ".$mdk.".resourceID=resources.resourceID left JOIN types on types.typeIdent=resources.type WHERE deleted=0 AND security='public' AND state='final' GROUP BY ".$mdk);
        while ( $row = mysql_fetch_array($ret) ) {
            $tgs []= $row;
        }
        return $tgs;    
    }
    
    public function getByMetadata(){
        global $kdb;
        $mds = array();
        if ( isset($_GET['searchAction']) && isset($_SESSION['search_results']) ) {
            $mds = $_SESSION['search_results'];
        } else {
            foreach (array('targetgroup','language','resourcetype','lre','difficulty') as $md) {
                if (isset($_GET[$md])) {
                    $mds [$md] = array($_GET[$md]);
                }
            }
        }
        if (count($mds)>0) {
            $tgs = $this->kdb->getResourcesByMD($mds);
            return $tgs;
        }
        return false;
    }
}
?>