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<?php |
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declare(strict_types=1); |
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namespace Cerbero\LaravelEnum; |
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use BackedEnum; |
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use Cerbero\LaravelEnum\Contracts\Bitwise; |
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use Illuminate\Contracts\Database\Eloquent\CastsAttributes; |
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use Illuminate\Database\Eloquent\Model; |
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use InvalidArgumentException; |
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use UnitEnum; |
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/** |
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* The cases collection cast. |
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* |
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* @template TKey of array-key |
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* @template TValue |
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* |
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* @implements CastsAttributes<CasesCollection, mixed> |
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*/ |
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class CasesCollectionCast implements CastsAttributes |
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{ |
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/** |
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* Disable object caching. |
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*/ |
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public bool $withoutObjectCaching = true; |
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/** |
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* Instantiate the class. |
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*/ |
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public function __construct(private readonly string $enum) |
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{ |
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if (! is_subclass_of($enum, UnitEnum::class)) { |
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throw new InvalidArgumentException('The cast argument must be a valid enum'); |
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} |
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} |
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/** |
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* Transform the attribute from the underlying model values. |
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* |
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* @param string|int|null $value |
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* @param array<string, mixed> $attributes |
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* @return CasesCollection<TKey, TValue> |
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* @throws \ValueError |
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*/ |
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public function get(Model $model, string $key, mixed $value, array $attributes): ?CasesCollection |
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{ |
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return match (true) { |
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is_string($value) => $this->getByJson($value), |
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is_int($value) => $this->enum::filter(fn(BackedEnum $case) => ($value & $case->value) == $case->value), |
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default => null, |
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}; |
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} |
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/** |
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* Transform the given JSON into a cases collection. |
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* |
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* @return CasesCollection<TKey, TValue> |
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* @throws \ValueError |
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*/ |
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protected function getByJson(string $json): CasesCollection |
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{ |
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/** @var list<string|int> $cases */ |
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$cases = json_decode($json, true); |
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$cases = array_unique($cases); |
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/** @var CasesCollection<TKey, TValue> */ |
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return new CasesCollection(array_map(fn(string|int $value) => $this->enum::from($value), $cases)); |
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} |
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/** |
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* Transform the attribute to its underlying model values. |
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* |
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* @param array<string, mixed> $attributes |
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*/ |
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public function set(Model $model, string $key, mixed $value, array $attributes): string|int|null |
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{ |
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$this->withoutObjectCaching = ! $value instanceof CasesCollection; |
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return match (true) { |
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$value instanceof CasesCollection => $value->toJson(), |
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is_array($value) => $this->setByArray($value), |
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is_int($value) => $value, |
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default => null, |
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}; |
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} |
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/** |
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* Transform the given array into a serializable string. |
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* |
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* @param array<array-key, mixed> $array |
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*/ |
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protected function setByArray(array $array): string|int|null |
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{ |
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if (is_subclass_of($this->enum, Bitwise::class)) { |
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return array_reduce($array, function(?int $carry, BackedEnum|int $item) { |
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return $carry |= $item instanceof BackedEnum ? $item->value : $item; |
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}); |
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} |
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$values = reset($array) instanceof UnitEnum |
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? $this->enum::only(...array_column($array, 'name')) |
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: array_values(array_unique($array)); |
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return json_encode($values) ?: null; |
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} |
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} |
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cerbero90 /
laravel-enum
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Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: