shop.balmet.com

klarna_account.php (5935B)

---

 <?php
 class ModelExtensionPaymentKlarnaAccount extends Model {
 	public function getMethod($address, $total) {
 		$this->load->language('extension/payment/klarna_account');
 
 		$status = true;
 
 		$klarna_account = $this->config->get('payment_klarna_account');
 
 		if (!isset($klarna_account[$address['iso_code_3']])) {
 			$status = false;
 		} elseif (!$klarna_account[$address['iso_code_3']]['status']) {
 			$status = false;
 		}
 
 		if ($status) {
 			$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$klarna_account[$address['iso_code_3']]['geo_zone_id'] . "' AND country_id = '" . (int)$address['country_id'] . "' AND (zone_id = '" . (int)$address['zone_id'] . "' OR zone_id = '0')");
 
 			if ($klarna_account[$address['iso_code_3']]['total'] > 0 && $klarna_account[$address['iso_code_3']]['total'] > $total) {
 				$status = false;
 			} elseif (!$klarna_account[$address['iso_code_3']]['geo_zone_id']) {
 				$status = true;
 			} elseif ($query->num_rows) {
 				$status = true;
 			} else {
 				$status = false;
 			}
 
 			// Maps countries to currencies
 			$country_to_currency = array(
 				'NOR' => 'NOK',
 				'SWE' => 'SEK',
 				'FIN' => 'EUR',
 				'DNK' => 'DKK',
 				'DEU' => 'EUR',
 				'NLD' => 'EUR'
 			);
 
 			if (!isset($country_to_currency[$address['iso_code_3']]) || !$this->currency->has($country_to_currency[$address['iso_code_3']])) {
 				$status = false;
 			}
 
 			if ($address['iso_code_3'] == 'NLD' && $this->currency->has('EUR') && $this->currency->format($total, 'EUR', '', false) > 250.00) {
 				$status = false;
 			}
 		}
 
 		$payment_option = array();
 
 		if ($status) {
 			$total = $this->currency->format($total, $country_to_currency[$address['iso_code_3']], '', false);
 
 			$pclasses = $this->config->get('klarna_account_pclasses');
 
 			if (isset($pclasses[$address['iso_code_3']])) {
 				$pclasses = $pclasses[$address['iso_code_3']];
 			} else {
 				$pclasses = array();
 			}
 
 			foreach ($pclasses as $pclass) {
 				// 0 - Campaign
 				// 1 - Account
 				// 2 - Special
 				// 3 - Fixed
 				if (!in_array($pclass['type'], array(0, 1, 3))) {
 					continue;
 				}
 
 				if ($pclass['type'] == 2) {
 					$monthly_cost = -1;
 				} else {
 					if ($total < $pclass['minamount']) {
 						continue;
 					}
 
 					if ($pclass['type'] == 3) {
 						continue;
 					} else {
 						$sum = $total;
 
 						$lowest_payment = $this->getLowestPaymentAccount($address['iso_code_3']);
 						$monthly_cost = 0;
 
 						$monthly_fee = $pclass['invoicefee'];
 						$start_fee = $pclass['startfee'];
 
 						$sum += $start_fee;
 
 						$base = ($pclass['type'] == 1);
 
 						$minimum_payment = ($pclass['type'] === 1) ? $this->getLowestPaymentAccount($address['iso_code_3']) : 0;
 
 						if ($pclass['months'] == 0) {
 							$payment = $sum;
 						} elseif ($pclass['interestrate'] == 0) {
 							$payment = $sum / $pclass['months'];
 						} else {
 							$interest_rate = $pclass['interestrate'] / (100.0 * 12);
 
 							$payment = $sum * $interest_rate / (1 - pow((1 + $interest_rate), -$pclass['months']));
 						}
 
 						$payment += $monthly_fee;
 
 						$balance = $sum;
 						$pay_data = array();
 
 						$months = $pclass['months'];
 
 						while (($months != 0) && ($balance > 0.01)) {
 							$interest = $balance * $pclass['interestrate'] / (100.0 * 12);
 							$new_balance = $balance + $interest + $monthly_fee;
 
 							if ($minimum_payment >= $new_balance || $payment >= $new_balance) {
 								$pay_data[] = $new_balance;
 								break;
 							}
 
 							$new_payment = max($payment, $minimum_payment);
 
 							if ($base) {
 								$new_payment = max($new_payment, $balance / 24.0 + $monthly_fee + $interest);
 							}
 
 							$balance = $new_balance - $new_payment;
 
 							$pay_data[] = $new_payment;
 
 							$months -= 1;
 						}
 
 						$monthly_cost = round(isset($pay_data[0]) ? ($pay_data[0]) : 0, 2);
 
 						if ($monthly_cost < 0.01) {
 							continue;
 						}
 
 						if ($pclass['type'] == 1 && $monthly_cost < $lowest_payment) {
 							$monthly_cost = $lowest_payment;
 						}
 
 						if ($pclass['type'] == 0 && $monthly_cost < $lowest_payment) {
 							continue;
 						}
 					}
 				}
 
 				$payment_option[$pclass['id']]['monthly_cost'] = $monthly_cost;
 				$payment_option[$pclass['id']]['pclass_id'] = $pclass['id'];
 				$payment_option[$pclass['id']]['months'] = $pclass['months'];
 			}
 		}
 
 		if (!$payment_option) {
 			$status = false;
 		}
 
 		$sort_order = array();
 
 		foreach ($payment_option as $key => $value) {
 			$sort_order[$key] = $value['monthly_cost'];
 		}
 
 		array_multisort($sort_order, SORT_ASC, $payment_option);
 
 		if ($address['company']) {
 			$status = false;
 		}
 
 		$method = array();
 
 		if ($status) {
 			$method = array(
 				'code'       => 'klarna_account',
 				'title'      => sprintf($this->language->get('text_title'), $this->currency->format($this->currency->convert($payment_option[0]['monthly_cost'], $country_to_currency[$address['iso_code_3']], $this->session->data['currency']), 1, 1)),
 				'terms'      => sprintf($this->language->get('text_terms'), $klarna_account[$address['iso_code_3']]['merchant'], strtolower($address['iso_code_2'])),
 				'sort_order' => $klarna_account[$address['iso_code_3']]['sort_order'],
 			);
 		}
 
 		return $method;
 	}
 
 	private function getLowestPaymentAccount($country) {
 		switch ($country) {
 			case 'SWE':
 				$amount = 50.0;
 				break;
 			case 'NOR':
 				$amount = 95.0;
 				break;
 			case 'FIN':
 				$amount = 8.95;
 				break;
 			case 'DNK':
 				$amount = 89.0;
 				break;
 			case 'DEU':
 			case 'NLD':
 				$amount = 6.95;
 				break;
 			default:
 				$log = new Log('klarna_account.log');
 				$log->write('Unknown country ' . $country);
 
 				$amount = null;
 				break;
 		}
 
 		return $amount;
 	}
 }