/**
* Handle an incoming request. Current state of the student in the registration process
* is called step. There are a total of 3 steps in the semester registration
* process and the step numbering used is as follows:
*
* ______________________________
* | #Step | Represented step |
* ------------------------------
* | 1 | initial details |
* | 2 | feeAndHostel details |
* | 3 | course details |
* ------------------------------
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @param integer $currentStep
* @return mixed
*/
public function handle($request, Closure $next, $currentStep)
{
if (Auth::guard('student')->check()) {
$currentStudentState = CurrentStudentState::find(Auth::guard('student')->user()->rollNo);
/**
* If student has not completed the first step
* then redirect him to initial details page
* other wise redirect him to the correct
* page accourding to his current state
*/
if ($currentStudentState == null) {
/*
* This check avoids redirection loop
* in case the student is accessing
* the initial details page
*/
if ($currentStep != 1) {
return redirect('/students/semesterRegistration/initialDetails');
}
return $next($request);
} else {
$step = $currentStudentState->step;
/**
* Redirect if student tries to visit a step
* without completing the previous one and
* let the request pass to the inner
* layers if his request if valid
*/
if ($currentStep != $step + 1) {
if ($step == 1) {
return redirect('/students/semesterRegistration/feeAndHostelDetails');
} elseif ($step == 2) {
return redirect('/students/semesterRegistration/courseDetails');
} else {
return redirect('/students/semesterRegistration/status');
}
}
return $next($request);
}
}
return $next($request);
}
/**
* Register a student for new semester
*
* @param Request $request
* @return mixed
*/
public function registerStudent(Request $request)
{
if (!$this->isRegistrationActive('staff')) {
return view($this->inactiveView);
}
$rollNo = $request['rollNo'];
// Now register the student
$verificationCode = $this->generateVerificationCode($rollNo);
CurrentStudentState::find($rollNo)->update(['approved' => true, 'verificationCode' => $verificationCode]);
Student::find($rollNo)->update(['semNo' => CurrentStudentState::find($rollNo)->semNo]);
return redirect()->back();
}
/**
* Get the current state of student
*
* @return CurrentStudentState
*/
protected function getCurrentStudentState()
{
$currentStudentState = CurrentStudentState::find(Auth::guard('student')->user()->rollNo);
return $currentStudentState;
}
