CourseWork/app/Http/Controllers/SubjectController.php

<?php

namespace App\Http\Controllers;

use App\Http\Requests\SubjectPostRequest;
use App\Models\Subject;

use App\Services\SubjectService;
use App\Services\FileService;
use Illuminate\Http\RedirectResponse;
use Illuminate\View\View;

class SubjectController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index(SubjectService $service): View
    {
        return view('subjects.index', [
            'subjects' => $service->getSubjects(),
        ]);
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create(): View
    {
        if(request()->user()->cannot('create', Subject::class)) {
            abort(403);
        }

        return view('subjects.create');
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(SubjectPostRequest $request): RedirectResponse
    {
        if(request()->user()->cannot('create', Subject::class)) {
            abort(403);
        }

        return redirect()->route(
            'subjects.show',
            Subject::create($request->validated()),
        );
    }

    /**
     * Display the specified resource.
     */
    public function show(Subject $subject): View
    {
        return view('subjects.show', [
            'subject' => $subject,
        ]);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Subject $subject): View
    {
        if(request()->user()->cannot('update', $subject)) {
            abort(403);
        }

        return view('subjects.edit', [
            'subject' => $subject,
        ]);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(SubjectPostRequest $request, Subject $subject): RedirectResponse
    {
        if(request()->user()->cannot('update', $subject)) {
            abort(403);
        }

        $subject->update($request->validated());

        return redirect()->route('subjects.show', $subject);
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(Subject $subject): RedirectResponse
    {
        if(request()->user()->cannot('delete', $subject)) {
            abort(403);
        }

        $subject->delete();

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

    public function exportToPDF(FileService $fileService)
    {
        return $fileService->exportSubjects();
    }
}