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

<?php

namespace App\Http\Controllers\admin\Catalog;

use App\Http\Controllers\Controller;
use App\Http\Requests\admin\Catalog\StoreDepartmentRequest;
use App\Http\Requests\admin\Catalog\UpdateDepartmentRequest;
use App\Models\Department;
use App\Models\Faculty;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Foundation\Application;
use Illuminate\Http\RedirectResponse;

class DepartmentController extends Controller
{
    public function index(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $departments = Department::all();
        return view('admin.catalog.department.index', compact('departments'));
    }

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

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

        $department = new Department();
        $department->name = $validated['name'];
        $department->description = $validated['description'];
        $department->position = $validated['position'];
        $department->faculty_id = $validated['faculty_id'];
        $department->save();

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

    public function show(Department $department): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $faculty = Faculty::find($department->faculty->id);
        $educationalInstitution = $faculty->educationalInstitution;
        return view('admin.catalog.department.show', compact('department', 'faculty', 'educationalInstitution'));
    }

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

    public function update(UpdateDepartmentRequest $request, Department $department): RedirectResponse
    {
        $validated = $request->validated();

        $department->name = $validated['name'];
        $department->description = $validated['description'];
        $department->position = $validated['position'];
        $department->faculty_id = $validated['faculty_id'];
        $department->save();

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

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