ldc-mesbr-app/app/Models/Customers.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Customers extends Model
{
    /**
     * @var string $primaryKey
     */
    protected $primaryKey = 'hashcode';

    /**
     * @var string $keyType
     */
    protected $keyType = 'string';

    /**
     * @var array $fillable
     */
    protected $fillable = ['hashcode', 'email', 'country'];

    /**
     * booted method
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function ($customer) {
            $customer->country = (new Customers())->getIsoCountry($customer->country);
        });

        static::updating(function ($customer) {
            $customer->country = (new Customers())->getIsoCountry($customer->country);
        });
    }

    /**
     * getIsoCountry method
     * Default is : France
     *
     * @param string $country
     * @return integer
     */
    private function getIsoCountry($country)
    {
        $country = trim(ucfirst(strtolower($country)));
        switch ($country) {
            case 'Belgique':
                $country = 56;
                break;
            case 'Luxembourg':
                $country = 442;
                break;
            default:
                $country = 250;
        }
        return $country;
    }

    /**
     * Printed Walls Relation
     *
     * @return HasMany
     */
    public function printedWalls()
    {
        return $this->hasMany(PrintedWalls::class, 'customer_id', 'id');
    }
}