<?php
class CourseBackend_HisInOne extends CourseBackend
{
private $username;
private $password;
private $location;
public $serverID;
//
public function setCredentials($json,$location,$serverID) {
$data = json_decode($json, TRUE);
$this->password = $data['password'];
$this->username = $data['username']."/t".$data['role'];
$this->location = $location."/qisserver/services2/CourseService";
$this->serverID = $serverID;
}
//Cache the timetables for 30 minutes ttables older than 60 are not refreshed
public function getCacheTime(){
return 30*60;
}
//ttables older than 60 minutes are not refreshed
public function getRefreshTime() {
return 60*60;
}
public function getDisplayName(){
return "HisInOne";
}
public function getCredentials() {
$credentials = ["username" => "string", "role" =>"string","password"=>"string"];
return $credentials;
}
//Contstructs the Soap Header $doc is a DOMDocument this returns a DOMElement
private function getHeader($doc){
$header = $doc->createElement( 'SOAP-ENV:Header');
$security = $doc->createElementNS('http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd','ns2:Security');
$mustunderstand = $doc->createAttribute('SOAP-ENV:mustUnderstand');
$mustunderstand->value = 1;
$security->appendChild($mustunderstand);
$header->appendChild($security);
$token = $doc->createElement('ns2:UsernameToken');
$security->appendChild($token);
$user = $doc->createElement('ns2:Username', $this->username);
$token->appendChild($user);
$pass = $doc->createElement('ns2:Password', $this->password);
$type = $doc->createAttribute('Type');
$type ->value = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText';
$pass ->appendChild($type);
$token->appendChild($pass);
return $header;
}
//returns the IDs in an array for a given roomID
public function findUnit($roomID){
$termyear = date('Y');
$termtype = date('n');
if($termtype > 3 && termtype < 10){
$termtype = 2;
}
elseif ($termtype > 10) {
$termtype = 1;
$termyear = $termyear + 1;
}
else{
$termtype = 1;
}
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$envelope = $doc->createElementNS('http://schemas.xmlsoap.org/soap/envelope/', 'SOAP-ENV:Envelope');
$doc->appendChild($envelope);
$envelope->setAttributeNS('http://www.w3.org/2000/xmlns/' ,'xmlns:ns1', 'http://www.his.de/ws/courseService');
$header = $this->getHeader($doc);
$envelope->appendChild($header);
//Body of the request
$body = $doc->createElement('SOAP-ENV:Body');
$envelope->appendChild($body);
$findUnit= $doc->createElement('ns1:findUnit');
$body->appendChild($findUnit);
$unitDefaulttext = $doc->createElement('ns1:unitDefaulttext');
$findUnit->appendChild($unitDefaulttext);
$unitElementnr = $doc->createElement('ns1:unitElementnr');
$findUnit->appendChild($unitElementnr);
$editingStatusId = $doc->createElement('ns1:editingStatusId');
$findUnit->appendChild($editingStatusId);
$courseEventtypeId = $doc->createElement('ns1:courseEventtypeId');
$findUnit->appendChild($courseEventtypeId);
$courseTeachingLanguageId = $doc->createElement('ns1:courseTeachingLanguageId');
$findUnit->appendChild($courseTeachingLanguageId);
$planelementDefaulttext = $doc->createElement('ns1:planelementDefaulttext');
$findUnit->appendChild($planelementDefaulttext);
$parallelgroupId= $doc->createElement('ns1:parallelgroupId');
$findUnit->appendChild($parallelgroupId);
$termYearN = $doc->createElement('termYear',$termyear);
$findUnit->appendChild($termYearN);
$termTypeValueId = $doc->createElement('termTypeValueId',$termtype);
$findUnit->appendChild($termTypeValueId);
$individualDatesExecutionDate = $doc->createElement('ns1:individualDatesExecutionDate');
$findUnit->appendChild($individualDatesExecutionDate);
$individualDatesStarttime = $doc->createElement('ns1:individualDatesStarttime');
$findUnit->appendChild($individualDatesStarttime);
$individualDatesEndtime = $doc->createElement('ns1:individualDatesEndtime');
$findUnit->appendChild($individualDatesEndtime);
$roomIdN = $doc->createElement('ns1:roomId',$roomID);
$findUnit->appendChild($roomIdN);
$soap_request = $doc->saveXML();
$respons1 = $this->__doRequest($soap_request, "findUnit");
$respons2 = $this->toArray($respons1);
$id = $respons2['soapenvBody']['hisfindUnitResponse']['hisunitIds']['hisid'];
return $id;
}
//This function sends a Soaprequest with the eventID and returns an array which contains much
// informations, like start and enddates for events and their name.
public function readUnit($unit) {
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$envelope = $doc->createElementNS('http://schemas.xmlsoap.org/soap/envelope/', 'SOAP-ENV:Envelope');
$doc->appendChild($envelope);
$envelope->setAttributeNS('http://www.w3.org/2000/xmlns/' ,'xmlns:ns1', 'http://www.his.de/ws/courseService');
$header = $this->getHeader($doc);
$envelope->appendChild($header);
//body of the request
$body = $doc->createElement('SOAP-ENV:Body');
$envelope->appendChild($body);
$readUnit =$doc->createElement('ns1:readUnit');
$body->appendChild($readUnit);
$unitId = $doc->createElement('ns1:unitId',$unit);
$readUnit->appendChild($unitId);
$soap_request = $doc->saveXML();
$respons1 = $this->__doRequest($soap_request, "readUnit");
$respons2 = $this->toArray($respons1);
$respons3 = $respons2['soapenvBody']['hisreadUnitResponse'];
return $respons3;
}
//Makes a SOAP-Request as a normal POST
function __doRequest($request, $action){
$header = array(
"Content-type: text/xml;charset=\"utf-8\"",
"SOAPAction: \"".$action."\"",
"Content-length: ".strlen($request),
);
$soap_do = curl_init();
$options = array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_URL => $this->location ,
CURLOPT_POSTFIELDS => $request ,
CURLOPT_HTTPHEADER => $header ,
);
curl_setopt_array($soap_do , $options);
$output = curl_exec($soap_do);
if( $output === false)
{
$err = 'Curl error: ' . curl_error($soap_do);
echo $err;
}
else
{
///Operation completed successfully
}
curl_close($soap_do);
return $output;
}
//Request for a timetable with roomid as int
public function getJson($param){
//get all eventIDs in a given room
$eventIDs = $this-> findUnit($param);
//get all information on each event
foreach ($eventIDs as $each_event) {
$events[] = $this->readUnit((int) $each_event);
}
$timetable = array();
$currentWeek = $this->getCurrentWeekDates();
//Here I go over the soapresponse
foreach ($events as $event){
$title = $event['hisunit']['hisplanelements']['hisplanelement'][0]['hisdefaulttext'];
foreach($event as $subject){
$units = $subject['hisplanelements']['hisplanelement'];
foreach($units as $unit){
$dates = $unit['hisplannedDates']['hisplannedDate']['hisindividualDates']['hisindividualDate'];
foreach($dates as $date){
$roomID = $date['hisroomId'];
$datum = $date['hisexecutiondate'];
if(intval($roomID) == $param && in_array($datum,$currentWeek)){
$startTime = $date['hisstarttime'];
$endTime = $date['hisendtime'];
$json = array(
'title' => $title,
'start' => $datum." ".$startTime,
'end' => $datum." ".$endTime
);
array_push($timetable,$json);
}
}
}
}
}
return json_encode($timetable);
}
//this function transforms a xml string into an array
private function toArray($response){
$cleanresponse = preg_replace("/(<\/?)(\w+):([^>]*>)/", "$1$2$3", $response);
$xml = new SimpleXMLElement($cleanresponse);
$array = json_decode(json_encode((array)$xml), TRUE);
return $array;
}
//Request for a timetable with roomids as array
public function fetchSchedulesInternal($param){
//get all eventIDs in a given room
foreach ($param as $ID) {
$eventIDs = $this-> findUnit($ID);
}
$eventIDs = array_unique($eventIDs);
//get all information on each event
foreach ($eventIDs as $each_event) {
$events[] = $this->readUnit((int) $each_event);
}
$ttables = [];
$currentWeek = $this->getCurrentWeekDates();
foreach ($param as $room){
$timetable = array();
//Here I go over the soapresponse
foreach ($events as $event){
$title = $event['hisunit']['hisplanelements']['hisplanelement'][0]['hisdefaulttext'];
foreach($event as $subject){
$units = $subject['hisplanelements']['hisplanelement'];
foreach($units as $unit){
$dates = $unit['hisplannedDates']['hisplannedDate']['hisindividualDates']['hisindividualDate'];
foreach($dates as $date){
$roomID = $date['hisroomId'];
$datum = $date['hisexecutiondate'];
if(intval($roomID) == $room && in_array($datum,$currentWeek)){
$startTime = $date['hisstarttime'];
$endTime = $date['hisendtime'];
$json = array(
'title' => $title,
'start' => $datum." ".$startTime,
'end' => $datum." ".$endTime
);
$timetable[]= $json;
}
}
}
}
}
$ttables[$room] =json_encode($timetable);
}
return $ttables;
}
private function getCurrentWeekDates(){
$DateArray = array();
$startdate = strtotime('Now');
for($i=0 ;$i<=7; $i++) {
$DateArray[] = date('Y-m-d', strtotime("+ {$i} day", $startdate));
}
return $DateArray;
}
}
