AsCollection.php 1.7 KB

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  1. <?php
  2. namespace Illuminate\Database\Eloquent\Casts;
  3. use Illuminate\Contracts\Database\Eloquent\Castable;
  4. use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
  5. use Illuminate\Support\Collection;
  6. use InvalidArgumentException;
  7. class AsCollection implements Castable
  8. {
  9. /**
  10. * Get the caster class to use when casting from / to this cast target.
  11. *
  12. * @param array $arguments
  13. * @return \Illuminate\Contracts\Database\Eloquent\CastsAttributes<\Illuminate\Support\Collection<array-key, mixed>, iterable>
  14. */
  15. public static function castUsing(array $arguments)
  16. {
  17. return new class($arguments) implements CastsAttributes
  18. {
  19. public function __construct(protected array $arguments)
  20. {
  21. }
  22. public function get($model, $key, $value, $attributes)
  23. {
  24. if (! isset($attributes[$key])) {
  25. return;
  26. }
  27. $data = Json::decode($attributes[$key]);
  28. $collectionClass = $this->arguments[0] ?? Collection::class;
  29. if (! is_a($collectionClass, Collection::class, true)) {
  30. throw new InvalidArgumentException('The provided class must extend ['.Collection::class.'].');
  31. }
  32. return is_array($data) ? new $collectionClass($data) : null;
  33. }
  34. public function set($model, $key, $value, $attributes)
  35. {
  36. return [$key => Json::encode($value)];
  37. }
  38. };
  39. }
  40. /**
  41. * Specify the collection for the cast.
  42. *
  43. * @param class-string $class
  44. * @return string
  45. */
  46. public static function using($class)
  47. {
  48. return static::class.':'.$class;
  49. }
  50. }