code/app/Observers/ConfigObserver.php
<?php
namespace App\Observers;
use App\Config;
use App\Currency;
class ConfigObserver
{
public function saved(Config $config)
{
switch($config->name) {
case 'integralces':
$value = json_decode($config->value);
$integralces_currency = Currency::where('context', 'integralces')->first();
if ($value->enabled) {
if (is_null($integralces_currency)) {
$integralces_currency = new Currency();
$integralces_currency->context = 'integralces';
}
$integralces_currency->enabled = true;
$integralces_currency->symbol = $value->symbol;
$integralces_currency->save();
}
else {
if ($integralces_currency) {
$integralces_currency->enabled = false;
$integralces_currency->save();
}
}
break;
}
return true;
}
}