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"
            ]);

        $directionsGroups = Direction::with(['department'])
            ->leftJoin('direction_direction_profile', 'directions.id', '=', 'direction_direction_profile.direction_id')
            ->leftJoin(
                'direction_profiles',
                'direction_direction_profile.direction_profile_id',
                '=',
                'direction_profiles.id'
            )
            ->leftJoin('departments', 'directions.department_id', '=', 'departments.id')
            ->leftJoin('faculties', 'departments.faculty_id', '=', 'faculties.id')
            ->leftJoin('education_levels', 'directions.education_level_id', '=', 'education_levels.id')
            ->leftJoin('education_forms', 'directions.education_form_id', '=', 'education_forms.id')
            ->leftJoin('entrance_examinations', 'entrance_examinations.direction_id', '=', 'directions.id')
            ->leftJoin(
                'educational_institutions',
                'faculties.educational_institution_id',
                '=',
                'educational_institutions.id'
            )
            ->leftJoin('examination_types', 'entrance_examinations.examination_type_id', '=', 'examination_types.id')
            ->leftJoin('subject_types', 'entrance_examinations.subject_type_id', '=', 'subject_types.id')
            ->leftJoin('subjects', 'entrance_examinations.subject_id', '=', 'subjects.id')
            ->select(
                'directions.id as direction_id',
                'directions.code as direction_code',
                'directions.name as direction_name',
                'directions.description as direction_description',
                'directions.budget_places as direction_budget_places',
                'directions.paid_places as direction_paid_places',
                'directions.cost_paid_place as direction_cost_paid_place',
                'directions.period as direction_period',
                'education_levels.name as education_level_name',
                'education_forms.name as education_form_name',
                'faculties.id as faculty_id',
                'faculties.name as faculty_name',
                'faculties.description as faculty_description',
                'educational_institutions.id as educational_institution_id',
                'educational_institutions.name as educational_institution_name',
                'direction_profiles.id as direction_profile_id',
                'entrance_examinations.scores as entrance_examination_score',
                'examination_types.name as examination_type_name',
                'subject_types.name as subject_type_name',
                'subjects.name as subject_name',
                'direction_profiles.name as direction_profile_name',
            )
            ->get()->toArray();

        $branches = [];
        $directionsGroupWithOutBranch = array_reduce($directionsGroups, function ($acc, $direction) use (&$branches) {

            if ($direction['educational_institution_id'] == 3) {
                $branches[] = $direction;
            }
            $acc[] = $direction;
            return $acc;
        }, []);

        $groupedDirections = collect($directionsGroupWithOutBranch)
            ->reduce(function ($carry, $item, $key) use ($branches) {
                [
                'direction_id' => $directionId,
                'direction_name' => $directionName,
                'direction_code' => $directionCode,
                'educational_institution_id' => $educational_institution_id,
                'educational_institution_name' => $educationalInstitutionName,
                'faculty_id' => $facultyId,
                'faculty_name' => $facultyName,
                'faculty_description' => $facultyDescription,
                'education_level_name' => $educationLevelName,
                'education_form_name' => $educationFormName,
                'entrance_examination_score' => $entranceExaminationScore,
                'examination_type_name' => $examinationTypeName,
                'subject_type_name' => $subjectTypeName,
                'subject_name' => $subjectName,
                'direction_profile_name' => $directionProfileName,
                'direction_budget_places' => $directionBudgetPlaces,
                'direction_paid_places' => $directionPaidPlaces,
                'direction_cost_paid_place' => $directionCostPaidPlace,
                'direction_period' => $directionPeriod,
                'direction_description' => $directionDescription,
                ] = $item;

                $carry[$facultyName]['id'] = $facultyId;
                $carry[$facultyName]['name'] = $facultyName;
                $carry[$facultyName]['description'] = $facultyDescription;
                $carry[$facultyName]['directions'][$directionName]['id'] =  $directionId;
                $carry[$facultyName]['directions'][$directionName]['code'] =  $directionCode;
                $carry[$facultyName]['directions'][$directionName]['education_level'] =  $educationLevelName;
                $carry[$facultyName]['directions'][$directionName]['education_form'][] = $educationFormName;
                $carry[$facultyName]['directions'][$directionName]['education_form'] = array_unique(
                    $carry[$facultyName]['directions'][$directionName]['education_form']
                );
                $carry[$facultyName]['directions'][$directionName]['entrance_examinations']
                    [$examinationTypeName][$subjectTypeName][$subjectName] = $entranceExaminationScore;
                $carry[$facultyName]['directions'][$directionName]['budget_places']
                    [$educationalInstitutionName][$directionProfileName][$educationFormName] = $directionBudgetPlaces;

                $carry[$facultyName]['directions'][$directionName]
                ['paid_places'][$educationFormName] = $directionPaidPlaces;
                $carry[$facultyName]['directions'][$directionName]
                ['cost_paid_place'][$educationFormName] = $directionCostPaidPlace;
                $carry[$facultyName]['directions'][$directionName]['period'][$educationFormName] = $directionPeriod;
                $carry[$facultyName]['directions'][$directionName]['description'] = $directionDescription;

                foreach ($branches as $branch) {
                    [
                    'direction_name' => $directionNameBranch,
                    'educational_institution_name' => $educationalInstitutionNameBranch,
                    'direction_profile_name' => $directionProfileNameBranch,
                    'education_form_name' => $educationFormNameBranch,
                    'direction_budget_places' => $directionBudgetPlacesBranch
                    ] = $branch;
                    if ($directionNameBranch === $directionName) {
                        $carry[$facultyName]['directions'][$directionName]['budget_places']
                        [$educationalInstitutionNameBranch][$directionProfileNameBranch]
                        [$educationFormNameBranch] = $directionBudgetPlacesBranch;
                    }
                }


                return $carry;
            }, []);

        return view('new-design.bakalavr-special', compact(
            'faculties',
            'subjects',
            'directionsWithInstitution',
            'groupedDirections'
        ));
    }


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