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| 1 | <?php |
| 2 | |
| 3 | namespace App\Dto\Request; |
| 4 | |
| 5 | use App\Enum\Enum; |
| 6 | use App\Enum\GrammaticalRoleType; |
| 7 | use App\Enum\Lang; |
| 8 | use App\Enum\OffenseLevel; |
| 9 | use App\Enum\WordGender; |
| 10 | use App\Exception\ConversionException; |
| 11 | |
| 12 | /** |
| 13 | * @author Wilhelm Zwertvaegher |
| 14 | */ |
| 15 | readonly class RequestFactory |
| 16 | { |
| 17 | /** |
| 18 | * @var array<class-string, \Closure> |
| 19 | */ |
| 20 | private array $strategies; |
| 21 | |
| 22 | public function __construct(private EnumConverter $enumConverter) |
| 23 | { |
| 24 | $this->strategies = [ |
| 25 | RandomNickRequest::class => fn (array $parameters) => new RandomNickRequest( |
| 26 | lang: $this->convertEnum(Lang::class, 'lang', $parameters, Lang::FR), |
| 27 | gender: $this->convertEnum(WordGender::class, 'gender', $parameters, WordGender::AUTO), |
| 28 | offenseLevel: $this->convertEnum(OffenseLevel::class, 'offenseLevel', $parameters), |
| 29 | previousId: $parameters['previousId'] ?? null, |
| 30 | replaceRole: $this->convertEnum(GrammaticalRoleType::class, 'replaceRole', $parameters), |
| 31 | exclusions: $this->convertIntArray('exclusions', $parameters) |
| 32 | ), |
| 33 | RandomWordRequest::class => fn (array $parameters) => new RandomWordRequest( |
| 34 | previousId: $parameters['previousId'] ?? null, |
| 35 | role: $this->convertEnum(GrammaticalRoleType::class, 'role', $parameters), |
| 36 | gender: $this->convertEnum(WordGender::class, 'gender', $parameters), |
| 37 | offenseLevel: $this->convertEnum(OffenseLevel::class, 'offenseLevel', $parameters), |
| 38 | exclusions: $this->convertIntArray('exclusions', $parameters) |
| 39 | ), |
| 40 | ]; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param array<string, string> $parameters |
| 45 | * |
| 46 | * @return array<int> |
| 47 | * |
| 48 | * @throws ConversionException |
| 49 | */ |
| 50 | private function convertIntArray(string $field, array $parameters): array |
| 51 | { |
| 52 | $str = $parameters[$field] ?? ''; |
| 53 | $intArray = []; |
| 54 | if ('' != $str) { |
| 55 | $strArray = explode(',', $str); |
| 56 | foreach ($strArray as $value) { |
| 57 | if (!filter_var($value, FILTER_VALIDATE_INT)) { |
| 58 | throw new ConversionException($field, $str); |
| 59 | } |
| 60 | $intArray[] = (int) $value; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return $intArray; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * @template T of Enum |
| 69 | * |
| 70 | * @param class-string<T> $enumClass |
| 71 | * @param array<string, string> $parameters |
| 72 | * |
| 73 | * @return ?T |
| 74 | * |
| 75 | * @throws ConversionException |
| 76 | */ |
| 77 | private function convertEnum(string $enumClass, string $field, array $parameters, ?Enum $defaultValue = null): ?Enum |
| 78 | { |
| 79 | if (!isset($parameters[$field])) { |
| 80 | return $defaultValue; |
| 81 | } |
| 82 | |
| 83 | try { |
| 84 | return $this->enumConverter->convert($enumClass, $parameters[$field]); |
| 85 | } catch (\Throwable $t) { |
| 86 | throw new ConversionException($field, $parameters[$field], 0, $t); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * @param class-string $class |
| 92 | * @param array<string, string> $parameters |
| 93 | * |
| 94 | * @throws ConversionException|\TypeError |
| 95 | */ |
| 96 | public function fromParameters(string $class, array $parameters): Request |
| 97 | { |
| 98 | if (!array_key_exists($class, $this->strategies)) { |
| 99 | throw new \InvalidArgumentException('Strategy not found'); |
| 100 | } |
| 101 | |
| 102 | return $this->strategies[$class]($parameters); |
| 103 | } |
| 104 | } |