public function order(Request $request)
{
if (!Auth::check()) {
return redirect('/auth/login');
}
$order = explode(",", $_POST['order']);
$experiment = Experiment::find($_POST['experiment']);
$experiment->element_id = $order[0];
$experiment->save();
for ($i = 0; $i < count($order) - 1; $i++) {
$element = Element::find($order[$i]);
$element->element_id = $order[$i + 1];
$element->save();
}
return "ok";
}
public function show($id)
{
$experiment = Experiment::findOrFail($id);
$elements = array();
$element = Element::find($experiment->element_id);
$xor2 = array();
$xorElement = null;
$antworten = array();
while ($element != null) {
if ($element->type == 5) {
$xorElement = $element;
$xor = json_decode($element->ref, true);
$xor2 = array();
if (is_array($xor)) {
foreach ($xor as $pkey => $pfad) {
foreach ($pfad as $ekey => $el) {
$ele = Element::find($el);
if ($ele->type == 2 or $ele->type == 3 or $ele->type == 4) {
$xor2[$pkey][$ekey] = $ele;
$antwortenObjects = Answer::where("element", $ele->id)->where("experiment", $id)->get();
foreach ($antwortenObjects as $antwortObject) {
$antworten[$antwortObject->student][$ele->id] = $antwortObject;
}
}
}
}
}
} elseif ($element->type == 2 or $element->type == 4 or $element->type == 3) {
$elements[] = Element::findOrFail($element->id);
$antwortenObjects = Answer::where("element", $element->id)->where("experiment", $id)->get();
foreach ($antwortenObjects as $antwortObject) {
$antworten[$antwortObject->student][$element->id] = $antwortObject;
}
}
$element = $element->next();
}
$elements = array_merge($elements, [$xor2]);
$fields = array();
$fields2 = Field::all();
foreach ($fields2 as $field) {
$fields[$field->id] = $field;
}
return view('auswertung.show', compact('experiment', 'elements', 'antworten', 'xorElement', 'fields'));
}
/**
* @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
*/
public function redirect()
{
$array = explode("-", $_POST['key']);
if (count($array) == 2 and $array[0] != '' and $array[1] != '') {
$mt = explode(' ', microtime());
if (session("user") == "") {
session(["user" => $mt[1] * 1000 + round($mt[0] * 1000)]);
}
$experiment = Experiment::where("key", $array[0])->first();
if ($experiment == null) {
return redirect('/');
}
$elements = array();
$element = Element::find($experiment->element_id);
while ($element != null) {
if ($element->type == Element::XORGATE) {
$hash = $array[1][0] . substr(md5(date("s", strtotime($element->created_at)) . $array[1][0]), -2);
if (trim($hash) != trim($array[1])) {
return redirect('/');
}
$xor = json_decode($element->ref, true);
$elements = array_merge($elements, $xor[$array[1][0]]);
} else {
$elements[] = $element->id;
}
$element = $element->next();
}
session(['experiment' => $array[0], 'elements' => $elements]);
$antwort = new Answer();
$antwort->element = 0;
$antwort->experiment = $experiment->id;
$antwort->value = $array[1][0];
$antwort->student = session("user");
$antwort->save();
return redirect('/experiment/' . $array[0] . '/0');
} else {
return redirect('/');
}
}
/**
* Remove the specified resource from storage.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function destroy($id)
{
$element = Element::find($id);
$element->delete();
return \Redirect::route('element.index');
}
/**
* Display the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function show($id)
{
$experiment = Experiment::where("key", $id)->first();
if ($experiment == null) {
return redirect('/');
}
$element = $experiment->element()->first();
$allow[] = $experiment->element_id;
$e = $experiment->element;
while (Element::find($e->element_id) != null) {
$allow[] = $e->element_id;
if ($e->type == 5) {
$fieldnr = session("field");
$field_id = substr($fieldnr, 0, -2);
$field_type = substr($fieldnr, -2);
$field = Field::where('id', $field_id)->where('type', $field_type)->first();
if ($field == null) {
return redirect('/');
}
}
$e = Element::find($e->element_id);
}
session(['fields' => $allow]);
return view('experiment.show', compact('experiment', 'element'));
}
