applicant-site/app/Http/Controllers/admin/Catalog/FacultyController.php

<?php

namespace App\Http\Controllers\admin\Catalog;

use App\Http\Controllers\Controller;
use App\Http\Requests\admin\Catalog\StoreFacultyRequest;
use App\Http\Requests\admin\Catalog\UpdateFacultyRequest;
use App\Models\EducationalInstitution;
use App\Models\Faculty;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Foundation\Application;
use Illuminate\Http\RedirectResponse;

class FacultyController extends Controller
{
    public function index(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $faculties = Faculty::all();
        return view('admin.catalog.faculty.index', compact('faculties'));
    }

    public function create(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $educationalInstitutions = EducationalInstitution::pluck('name', 'id');
        return view('admin.catalog.faculty.create', compact('educationalInstitutions'));
    }

    public function store(StoreFacultyRequest $request): RedirectResponse
    {
        $validated = $request->validated();

        $faculty = new Faculty();
        $faculty->name = $validated['name'];
        $faculty->description = $validated['description'];
        $faculty->position = $validated['position'];
        $faculty->slug = $validated['slug'];
        $faculty->educational_institution_id = $validated['educational_institution_id'];
        $faculty->save();

        return redirect()->route('faculties.index');
    }

    public function show(Faculty $faculty): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        return view('admin.catalog.faculty.show', compact('faculty'));
    }

    public function edit(Faculty $faculty): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $educationalInstitutions = EducationalInstitution::pluck('name', 'id');
        return view('admin.catalog.faculty.edit', compact('faculty', 'educationalInstitutions'));
    }

    public function update(UpdateFacultyRequest $request, Faculty $faculty): RedirectResponse
    {
        $validated = $request->validated();

        $faculty->name = $validated['name'];
        $faculty->description = $validated['description'];
        $faculty->position = $validated['position'];
        $faculty->slug = $validated['slug'];
        $faculty->educational_institution_id = $validated['educational_institution_id'];
        $faculty->save();

        return redirect()->route('faculties.index');
    }

    public function destroy(Faculty $faculty): RedirectResponse
    {
        if ($faculty->departments()->exists()) {
            return back();
        }
        $faculty->delete();
        return redirect()->route('faculties.index');
    }
}