Ayenko4all/school-management-system-backend

use App\Enums\RoleEnum;
use App\Models\Teacher;
use App\Models\User;
use Illuminate\Auth\Access\HandlesAuthorization;
use Illuminate\Auth\Access\Response;

class TeacherPolicy
{
    use HandlesAuthorization;
    //
    public function viewTeacher(User $user, Teacher $teacher)
    {
        if ($user->hasRole(RoleEnum::TEACHER)){
            return Response::allow();
        }

       if ($user->id === $teacher->user_id){
           Response::allow();
       }

        return  Response::deny();
    }
    //
}

use App\Http\Controllers\RespondsWithHttpStatusController;
use App\Models\Teacher;
use App\Http\Resources\ClassroomResource;
use App\Http\Resources\StudentResource;
use App\Http\Resources\SubjectResource;

class TeacherController extends RespondsWithHttpStatusController
{
    public function index(Request $request)
    {
        $teacher = Teacher::query()
        ->where('user_id', auth()->id())
        ->firstOrFail();

        $classrooms = $teacher->whereRelation('classrooms', 'teacher_id', '=', $teacher->id)->get();

        $students = $teacher->whereRelation('students', 'teacher_id', '=', $teacher->id)->get();

        $subjects = $teacher->whereRelation('subjects', 'teacher_id', '=', $teacher->id)->get();

        $this->authorize('viewTeacher', $teacher);

        return $this->respond([
            'students' => StudentResource::collection($students),
            'subjects' => SubjectResource::collection($subjects),
            'classrooms' => ClassroomResource::collection($classrooms),
            'studentCount' => $students->count(),
            'subjectCount' => $subjects->count(),
            'classroomCount' => $classrooms->count()
        ]);
    }
    //
}