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1<?php
2
3// ╔════════════════════════════════════════════════════════════╗
4// ║ MIT Licence (#Expat) - https://opensource.org/licenses/MIT ║
5// ║ Copyright 2026 Frederic Poeydomenge <dyno@phexium.com>     ║
6// ╚════════════════════════════════════════════════════════════╝
7
8declare(strict_types=1);
9
10namespace AppDemo\Homepage\Application\UseCase;
11
12use Override;
13use Phexium\Application\UseCase\UseCaseInterface;
14use Phexium\Application\UseCase\UseCaseRequestInterface;
15use Phexium\Application\UseCase\UseCaseResponseInterface;
16use Phexium\Domain\TypeGuard;
17use Phexium\Plugin\Clock\Port\ClockInterface;
18
19final readonly class HomeUseCase implements UseCaseInterface
20{
21    public function __construct(
22        private ClockInterface $clock
23    ) {}
24
25    #[Override]
26    public function execute(UseCaseRequestInterface $request): UseCaseResponseInterface
27    {
28        TypeGuard::that($request)->isInstanceOf(HomeRequest::class);
29
30        $greeting = $request->userEmail
31            ? sprintf('Welcome, %s', $request->userEmail)
32            : 'Welcome to CleanShelf';
33
34        $messageOfTheDay = 'Reading is a window to a magical world.';
35
36        $currentDateTime = $this->clock->now();
37
38        return new HomeResponse($greeting, $messageOfTheDay, $currentDateTime);
39    }
40}