ldc-dam/app/Rules/EnumIsValidRule.php

<?php

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;

/**
 * Custom Rule to validate an enum
 */
class EnumIsValidRule implements Rule
{
    /**
     * The enum class
     *
     * @var string
     */
    protected string $enum;

    /**
     * Create a new rule instance
     * which validate the fact that a value is within an Enum
     *
     * @param string $enumClass
     * @return void
     * @throws \RuntimeException If not a valid enum.
     */
    public function __construct(string $enumClass)
    {
        if (!enum_exists($enumClass)) {
            throw new \RuntimeException("'$enumClass' is not an enum");
        }
        $this->enumClass = $enumClass;
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param string $attribute
     * @param mixed  $value
     * @return boolean
     * @phpcs:disable Squiz.Commenting.FunctionComment.ScalarTypeHintMissing
     * @phpcs:disable Squiz.Commenting.FunctionComment.TypeHintMissing
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
     */
    public function passes($attribute, $value): bool
    {
        // phpcs:enable
        try {
            return $this->enumClass::tryFrom(\strval($value)) !== false;
        } catch (\TypeError) {
            return $this->enumClass::tryFrom(\intval($value)) !== false;
        }
    }
    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message(): string
    {
        return trans('Le champ :attribute doit être une des valeurs suivantes: :values', [
            'values' => collect($this->enumClass::cases())->implode(', ')
        ]);
    }
}