ORMException example

/** * Function to create a new payment */
    public function createPaymentsAction()
    {
        try {
            $params = $this->Request()->getParams();
            unset($params['action']);
            $repository = $this->get('models')->getRepository(Payment::class);
            $existingModel = $repository->findByName($params['name']);
            if ($existingModel) {
                throw new ORMException('The name is already in use.');
            }
            if ($params['source'] == 0) {
                $params['source'] = null;
            }

            $paymentModel = new Payment();
            $countries = $params['countries'] ?? [];
            $countryArray = [];
            foreach ($countries as $country) {
                $countryArray[] = $this->get('models')->find(Country::class, $country['id']);
            }