/**
* GET
* Course details
*/
public function show($id)
{
$exam = Exam::find($id);
$course = Course::find($exam->course_id);
$feedback = DB::table('feedbacks')->join('results', 'feedbacks.result_id', '=', 'results.id')->join('exams', 'results.exam_id', '=', 'exams.id')->where('results.exam_id', $id)->where('feedbacks.student_id', Auth::user()->id)->select('feedbacks.*', 'exams.description')->orderBy('feedbacks.created_at', 'desc')->get();
return view('exams.show', ['exam' => $exam, 'course' => $course, 'feedback' => $feedback]);
}
public function __construct()
{
$this->middleware('auth');
$this->userId = Auth::user()->id;
$this->navbbs = DB::table('building_block_student')->join('building_blocks', 'building_blocks.id', '=', 'building_block_student.building_block_id')->where('building_block_student.user_id', $this->userId)->get();
$this->currentCourse = Course::where('start_date', '<=', Carbon::now()->toDateString())->where('end_date', '>=', Carbon::now()->toDateString())->first();
}
/**
* Store all results and feedback for a course
*/
public function storeResults(Request $request)
{
$student = User::find($request->student_id);
$course = Course::find($request->course_id);
$exams = Exam::where('course_id', $course->id)->get();
// Validate when feedback is present and no result is entered
$rules = [];
$messages = [];
foreach ($request->exams as $index => $exam) {
if ($exam['result'] == '' && $exam['feedback'] != '') {
$rules["exams.{$index}.result"] = 'required';
$messages[] = 'Er moet een resultaat ingevuld zijn als je feedback wilt geven.';
}
}
// Handle validation or store
if (!empty($rules)) {
$this->validate($request, $rules, $messages);
} else {
foreach ($request->exams as $index => $exam) {
// Store result and feedback in DB
if ($exam['result'] != '' && $exam['feedback'] != '') {
// Save Result in db and get new id
$result = new Result();
$result->exam_id = $exam['id'];
$result->result = $exam['result'];
$result->student_id = $student->id;
$result->save();
// Save feedback with result id
$feedback = new Feedback();
$feedback->result_id = $result->id;
$feedback->content = $exam['feedback'];
$feedback->student_id = $student->id;
$feedback->save();
}
}
}
return view('teacher.add_grade', ['student' => $student, 'course' => $course, 'exams' => $exams]);
}
/**
* GET
* Course details
*/
public function show($id)
{
$course = Course::find($id);
$exams = Exam::where('course_id', $id)->get();
// Voor het opmaken van de tabel is het nodig om te weten
// wat het maximum aantal resultaten van een toets zijn.
// Zoveel rijen zullen er uiteindelijk in de tabel moeten komen
// tel het aantal resultaten per toets van deze student
$iterations = DB::select('SELECT MAX(a.amt) AS amount
FROM
(SELECT
COUNT(results.id) AS amt,
exams.description,
exams.id
FROM
results
INNER JOIN
exams ON results.exam_id = exams.id
WHERE
exams.course_id = :course_id AND results.student_id = :student_id
GROUP BY
results.exam_id) a', ['course_id' => $course->id, 'student_id' => Auth::user()->id]);
// Deze tabel wordt gevuld met resultaten. Een '-' als er geen resultaat is
// De tabel wordt gebruikt om te tekenen op de site
$resultTable = [];
foreach ($exams as $index => $exam) {
// Haal alle resultaten per toets op
$results = DB::table('results')->where('exam_id', $exam->id)->where('student_id', Auth::user()->id)->orderBy('created_at')->get();
$div = '<div class="panel-group" id="accordion' . $index . '" role="tablist" aria-multiselectable="true">';
// doorloop het aantal iteraties voor het max aantal resultaten
for ($i = 0; $i < $iterations[0]->amount; $i++) {
if (!empty($results[$i])) {
$feedback = DB::table('feedbacks')->where('result_id', $results[$i]->id)->first();
if (!empty($feedback)) {
$feedback = $feedback->content;
} else {
$feedback = 'Er is geen feedback toegevoegd.';
}
$div .= '<div class="panel panel-default">
<div class="panel-heading" role="tab" id="heading' . $index . '_' . $i . '">
<h4 class="panel-title">
<a role="button" data-toggle="collapse" data-parent="#accordion' . $index . '" href="#collapse' . $index . '_' . $i . '"';
// if this is the first feedback in the row, expand the panel
$div .= $i == 0 ? 'aria-expanded="true"' : 'aria-expanded="false"';
$div .= 'aria-controls="collapse' . $index . '_' . $i . '">';
$div .= $results[$i]->result . '</a>
</h4>
</div>
<div id="collapse' . $index . '_' . $i . '"';
$div .= $i == 0 ? 'class="panel-collapse collapse in"' : 'class="panel-collapse collapse"';
$div .= 'role="tabpanel" aria-labelledby="heading' . $index . '_' . $i . '">
<div class="panel-body">';
$div .= $feedback;
$div .= '</div>
</div>
</div>';
//$resultTable[$i][$index] = '<div>'.$results[$i]->result.'</div>';
} else {
//$resultTable[$i][$index] = '-';
}
}
$div .= '</div>';
$resultTable[0][$index] = $div;
}
return view('courses.show', ['course' => $course, 'exams' => $exams, 'resultTable' => $resultTable]);
}
