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<?php
namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\StoreExamSectionRequest;
use App\Http\Requests\Admin\UpdateExamSectionRequest;
use App\Models\Exam;
use App\Models\ExamSection;
use App\Repositories\ExamRepository;
use App\Transformers\Admin\ExamSectionTransformer;
use Illuminate\Support\Facades\DB;
use Inertia\Inertia;
class ExamSectionCrudController extends Controller
{
private ExamRepository $repository;
public function __construct(ExamRepository $repository)
{
$this->repository = $repository;
}
/**
* List all exam sections
*
* @param $exam
* @return \Inertia\Response
*/
public function index($exam)
{
$test = Exam::select(['id', 'title', 'settings'])->with(['examSections' => function($query) {
$query->with('section:id,name')->orderBy('section_order');
}])->findOrFail($exam);
return Inertia::render('Admin/Exam/Sections', [
'editFlag' => true,
'exam' => $test->only(['id', 'title', 'settings']),
'steps' => $this->repository->getSteps($exam, 'sections'),
'sections' => function () use ($test) {
return fractal($test->examSections, new ExamSectionTransformer())->toArray()['data'];
},
]);
}
/**
* Store an exam section
*
* @param StoreExamSectionRequest $request
* @param $exam
* @return \Illuminate\Http\RedirectResponse
*/
public function store(StoreExamSectionRequest $request, Exam $exam)
{
$examSection = new ExamSection();
$examSection->exam_id = $exam->id;
$examSection->name = $request->name;
$examSection->section_id = $request->section_id;
$examSection->correct_marks = $request->correct_marks;
$examSection->negative_marking_type = $request->negative_marking_type;
$examSection->negative_marks = $request->negative_marks;
$examSection->section_cutoff = $request->section_cutoff;
$examSection->section_order = $request->section_order;
if($exam->settings->get('auto_duration', true)) {
$examSection->total_duration = $examSection->questions()->sum('default_time');
} else {
$examSection->total_duration = $request->total_duration * 60;
}
if($exam->settings->get('auto_grading', true)) {
$examSection->total_marks = $examSection->questions()->sum('default_marks');
} else {
$examSection->total_marks = $examSection->questions()->count() * $request->correct_marks;
}
$examSection->save();
$exam->updateMeta();
return redirect()->back()
->with('successMessage', 'Exam Section was successfully added!');
}
/**
* Edit a section
*
* @param $exam
* @param $id
* @return \Illuminate\Http\JsonResponse
*/
public function edit($exam, $id)
{
$section = ExamSection::with(['section:id,name'])->findOrFail($id);
return response()->json($section, 200);
}
/**
* Update a section
*
* @param UpdateExamSectionRequest $request
* @param Exam $exam
* @param $id
* @return \Illuminate\Http\RedirectResponse
*/
public function update(UpdateExamSectionRequest $request, Exam $exam, $id)
{
$examSection = ExamSection::findOrFail($id);
$examSection->name = $request->name;
$examSection->section_id = $request->section_id;
$examSection->correct_marks = $request->correct_marks;
$examSection->negative_marking_type = $request->negative_marking_type;
$examSection->negative_marks = $request->negative_marks;
$examSection->section_cutoff = $request->section_cutoff;
$examSection->section_order = $request->section_order;
if($exam->settings->get('auto_duration', true)) {
$examSection->total_duration = $examSection->questions()->sum('default_time');
} else {
$examSection->total_duration = $request->total_duration * 60;
}
if($exam->settings->get('auto_grading', true)) {
$examSection->total_marks = $examSection->questions()->sum('default_marks');
} else {
$examSection->total_marks = $examSection->questions()->count() * $request->correct_marks;
}
$examSection->update();
$examSection->updateMeta();
$exam->updateMeta();
return redirect()->back()
->with('successMessage', 'Exam Section was successfully updated!');
}
/**
* Delete a section
*
* @param Exam $exam
* @param $id
* @return \Illuminate\Http\RedirectResponse
*/
public function destroy(Exam $exam, $id)
{
try {
$examSection = ExamSection::withCount(['examSessions'])->find($id);
if(!$examSection->canSecureDelete('examSessions')) {
$associations = implode(", ", array_filter([
$examSection->exam_sessions_count > 0 ? "{$examSection->exam_sessions_count} exam sessions" : ""
]));
return redirect()->back()
->with('errorMessage',
"Unable to delete exam sections as it is associated with {$associations}. Remove all associations and try again!"
);
}
DB::transaction(function () use ($examSection) {
$examSection->questions()->detach();
$examSection->secureDelete('examSessions');
});
$exam->updateMeta();
}
catch (\Illuminate\Database\QueryException $e){
return redirect()->route('exams.sections.index', ['exam' => $exam])
->with('errorMessage', 'Unable to Delete Section . Remove all associations and Try again!');
}
return redirect()->route('exams.sections.index', ['exam' => $exam])
->with('successMessage', 'Section was successfully deleted!');
}
}