<?php

namespace api;

include_once "../../global.inc.php";
include_once PATH_DATABASE . "/PssSqlManager.php";
include_once PATH_UTILITTY . "/XmlManager.php";
include_once PATH_UTILITTY . "/ArrayManager.php";
require_once PATH_API . "/Api.php";

/**
 * This class provides some spezial PssAPI methods
 * @author stubbfel
 * @since 20.06.2013
 */
class PssApi extends Api {

    /**
     * Route string for the alias paramter
     * @var string
     */
    public static $routeParameterPids = "/pid/:pid+";
    
        /**
     * Route string for the iNames paramter
     * @var string
     */
    public static $routeParameterSNames = "/sname/:sname+";
    
        /**
     * Keyword for pidList arguments
     * @var string
     */
    public static $keyPidList = "pidList";

    /**
     * Keyword for iNameList arguments
     * @var string
     */
    public static $keySNameList = "sNameList";

    /**
     * max number of pid for each query
     * @var int
     */
    private static $maxPid = 10;

    /**
     * Constructor
     * @param array[assoc] $headers - RequestHeader
     */
    public function __construct($headers = array()) {
        $this->sqlManager = new \database\PssSqlManager();
        parent::__construct($headers);
    }

    /**
     * Default-DeConstructor
     */
    public function __destruct() {
        parent::__destruct();
    }

    /**
     * Method start a pis-query
     * @param array $queryArgs
     * @return query result as xml
     */
    public function sendPssQuery($queryArgs) {
        $pidList = \utiliy\ArrayManager::removeEmptyItmes($queryArgs[self::$keyPidList]);        
        
        if (array_key_exists(self::$keySNameList, $queryArgs)) {
            $sNameList = \utiliy\ArrayManager::removeEmptyItmes($queryArgs[self::$keySNameList]);
        } else {
            $sNameList = array();
        }
        
        if (count($pidList) < self::$maxPid) {
            $result = $this->sqlManager->sendPssQuery($pidList, $sNameList);

            return $this->serialManager->arrayToPss($result);
        }
        return NULL;
    }

}

?>