ldc-boutique-cnc/app/Rules/Adult.php

<?php

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;
use Carbon\Carbon;

class Adult implements Rule
{
    /**
     * Error message
     *
     * @var string
     */
    private $error_messages = "la date de naissance est incorrecte";

    /**
     * Create a new rule instance.
     *
     * @return void
     */
    public function __construct()
    {
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param  mixed $attribute
     * @param  mixed $value
     * @return boolean
     *
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
     */
    public function passes($attribute, $value)
    {
        //@phpcs:enable
        $MJ = Carbon::now()->subYears(18);

        if ($this->isSqlDate($value)) {
            $d = Carbon::createFromFormat('Y-m-d', $value);
            if (!$d->lessThanOrEqualTo($MJ)) {
                $this->error_messages = __("Vous devez être majeur pour vous inscrire.");
                return false;
            }
        } elseif ($this->isFormDate($value)) {
            $d = Carbon::createFromFormat('d/m/Y', $value);
            if (!$d->lessThanOrEqualTo($MJ)) {
                $this->error_messages = __("Vous devez être majeur pour vous inscrire.");
                return false;
            }
        } else {
            $this->error_messages = __("Erreur sur le champs : date de naissance.");
            return false;
        }

        // Pass.
        return true;
    }

    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message()
    {
        return $this->error_messages;
    }

    /**
     * Check if provided string is formatted for mysql
     *
     * @param string $date
     * @return boolean
     */
    private function isSqlDate(string $date)
    {
        if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/", $date)) {
            return true;
        }
        return false;
    }

    /**
     * Check if provided string is formatted DD/MM/AAAA
     *
     * @param string $date
     * @return boolean
     */
    private function isFormDate(string $date)
    {
        if (preg_match("/^(0[1-9]|[1-2][0-9]|3[0-1])\/(0[1-9]|1[0-2])\/[0-9]{4}$/", $date)) {
            return true;
        }
        return false;
    }
}