public function update(UpdateCenterRequest $request, $center_id)
{
$center = ExamCenter::findOrFail($center_id);
$center->fill($request->only('name', 'students_limit', 'lang', 'lat'))->save();
$message = trans('exams::centers.update_success');
if ($request->input('submit') == 'save') {
return redirect()->route('exams.centers.edit', $center->id)->with('success', $message);
}
return redirect()->route('exams.centers.index')->with('success', $message);
}
