applicant-site/app/Http/Controllers/admin/PageController.php

<?php

namespace App\Http\Controllers\admin;

use App\Enums\ExaminationTypeEnum;
use App\Http\Controllers\Controller;
use App\Models\Admission;
use App\Models\Direction;
use App\Models\EntranceExamination;
use App\Models\Faculty;
use App\Models\Subject;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Foundation\Application;

class PageController extends Controller
{
//    public function index(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
//    {
//        $admissions = Admission::all()->sortBy('position');
//        return view('menu.reception-screen', compact('admissions'));
//    }

    public function directions()
    {
        $faculties = Faculty::all();
        $subjects = EntranceExamination::all()
            ->select('subject_id', 'subject_type_id', 'examination_type_id')
            ->where('examination_type_id', '=', ExaminationTypeEnum::Ege->value)
            ->reduce(function (?array $carry, $subject) {
                    $id = $subject['subject_id'];
                    $value = Subject::find($id)->name;
                    $carry[$id] = $value;
                    return $carry;
            });
        $directionsWithInstitution = Direction::with(['department'])
            ->join('departments', 'directions.department_id', '=', 'departments.id')
            ->join('faculties', 'departments.faculty_id', '=', 'faculties.id')
            ->join(
                'educational_institutions',
                'faculties.educational_institution_id',
                '=',
                'educational_institutions.id'
            )
            ->get([
                'directions.id',
                'directions.name',
                "educational_institutions.name as educational_institution_name"
            ]);
        return view('new-design.bakalavr-special', compact('faculties', 'subjects', 'directionsWithInstitution'));
    }


    public function calculator($request)
    {
        return response()->json($request);
    }
}