set app fee to 1 percent

backend/app/src/main/java/eu/viandeendirect/domains/order/OrderAmountService.java

@@ -0,0 +1,16 @@
+package eu.viandeendirect.domains.order;
+
+import eu.viandeendirect.model.Order;
+import eu.viandeendirect.model.OrderItem;
+import org.springframework.stereotype.Service;
+
+@Service
+public class OrderAmountService {
+    public float calculateTotalOrderAmount(Order order) {
+        float totalAmount = 0;
+        for (OrderItem orderItem : order.getItems()) {
+            totalAmount += orderItem.getUnitPrice() * orderItem.getQuantity() * orderItem.getPackageLot().getNetWeight();
+        }
+        return totalAmount;
+    }
+}

backend/app/src/main/java/eu/viandeendirect/domains/payment/StripeDirectPaymentManager.java

@@ -5,6 +5,7 @@
 import com.stripe.net.RequestOptions;
 import com.stripe.param.checkout.SessionCreateParams;
 import eu.viandeendirect.common.ViandeEnDirectConfiguration;
+import eu.viandeendirect.domains.order.OrderAmountService;
 import eu.viandeendirect.domains.production.PackageLotRepository;
 import eu.viandeendirect.model.Order;
 import eu.viandeendirect.model.OrderItem;
@@ -37,14 +38,17 @@ public class StripeDirectPaymentManager implements StripePaymentManager {
     @Autowired
     PackageLotRepository packageLotRepository;
 
+    @Autowired
+    OrderAmountService orderAmountService;
+
     @Override
     public StripePayment createPayment(Order order) throws StripeException {
         SessionCreateParams.Builder builder = SessionCreateParams.builder();
         order.getItems().forEach(item -> builder.addLineItem(getLineItem(item)));
         SessionCreateParams params = builder
                 .setPaymentIntentData(SessionCreateParams.PaymentIntentData.builder()
                         .setDescription(String.format("Commande viandeendirect.eu n° %s de %s %s", order.getId(), order.getCustomer().getUser().getFirstName(), order.getCustomer().getUser().getLastName()))
-                        .setApplicationFeeAmount(1L).build())
+                        .setApplicationFeeAmount(getViandeEnDirectFee(order) * 100).build())
                 .setMode(SessionCreateParams.Mode.PAYMENT)
                 .setCustomerEmail(order.getCustomer().getUser().getEmail())
                 .setSuccessUrl(viandeEnDirectConfiguration.getCustomerFrontendUrl() + "/order/" + order.getId() + "/payment")
@@ -59,6 +63,10 @@ public StripePayment createPayment(Order order) throws StripeException {
         return stripePayment;
     }
 
+    private Long getViandeEnDirectFee(Order order) {
+        return (long) orderAmountService.calculateTotalOrderAmount(order) / 100;
+    }
+
     private Producer getProducerStripeAccount(Order order) {
         List<Producer> orderProducers = order.getItems().stream()
                 .map(OrderItem::getPackageLot)

backend/app/src/test/java/eu/viandeendirect/domains/order/TestOrderAmountService.java

@@ -0,0 +1,38 @@
+package eu.viandeendirect.domains.order;
+
+
+import eu.viandeendirect.model.BeefProduction;
+import eu.viandeendirect.model.Order;
+import eu.viandeendirect.model.PackageLot;
+import eu.viandeendirect.model.Sale;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.OffsetDateTime;
+import java.util.Map;
+
+import static eu.viandeendirect.domains.order.OrderTestUtils.*;
+
+class TestOrderAmountService {
+    @Test
+    void should_return_the_right_amount() {
+        // given
+        BeefProduction beefProduction = getBeefProduction();
+        PackageLot packageLot1 = getPackageLot(1, beefProduction, "Colis tradition", "Un colis avec plein de trucs délicieux", 10f);
+        PackageLot packageLot2 = getPackageLot(2, beefProduction, "Filet", "Un colis avec plein de trucs bons", 0.5f);
+
+        Sale sale = new Sale();
+        sale.setId(123);
+        sale.setDeliveryStart(OffsetDateTime.parse("2021-09-30T15:30:00+01:00"));
+
+        Order order = createOrder(123, createCustomer("Valentine", "DURAND", "0601020304"), Map.of(packageLot1, 1, packageLot2, 2));
+        OrderAmountService orderAmountService = new OrderAmountService();
+
+        // when
+        float amount = orderAmountService.calculateTotalOrderAmount(order);
+
+        // then
+        Assertions.assertThat(amount).isEqualTo(110f);
+    }
+
+}