feat : adds endpoint to create order

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/Address.java

@@ -0,0 +1,13 @@
+package com.example.retailstore.webapp.clients.order;
+
+import jakarta.validation.constraints.NotBlank;
+import java.io.Serializable;
+
+public record Address(
+        @NotBlank(message = "AddressLine1 is required") String addressLine1,
+        String addressLine2,
+        @NotBlank(message = "City is required") String city,
+        @NotBlank(message = "State is required") String state,
+        @NotBlank(message = "ZipCode is required") String zipCode,
+        @NotBlank(message = "Country is required") String country)
+        implements Serializable {}

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/CreateOrderRequest.java

@@ -0,0 +1,13 @@
+package com.example.retailstore.webapp.clients.order;
+
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.Positive;
+import java.io.Serializable;
+import java.util.List;
+
+public record CreateOrderRequest(
+        @NotEmpty(message = "Items cannot be empty.") List<OrderItemRequest> items,
+        @Positive Long customerId,
+        @Valid Address deliveryAddress)
+        implements Serializable {}

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/OrderConfirmationDTO.java

@@ -0,0 +1,3 @@
+package com.example.retailstore.webapp.clients.order;
+
+public record OrderConfirmationDTO(String orderNumber, OrderStatus status) {}

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/OrderItemRequest.java

@@ -0,0 +1,5 @@
+package com.example.retailstore.webapp.clients.order;
+
+import java.math.BigDecimal;
+
+public record OrderItemRequest(String productCode, int quantity, BigDecimal productPrice) {}

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/OrderServiceClient.java

@@ -1,10 +1,12 @@
 package com.example.retailstore.webapp.clients.order;
 
 import com.example.retailstore.webapp.clients.PagedResult;
+import jakarta.validation.Valid;
 import java.util.Map;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.service.annotation.PostExchange;
 
 public interface OrderServiceClient {
 
@@ -13,4 +15,7 @@ public interface OrderServiceClient {
 
     @GetExchange("/api/orders/{id}")
     OrderResponse getOrder(@RequestHeader Map<String, ?> headers, @PathVariable String id);
+
+    @PostExchange("/api/orders")
+    OrderConfirmationDTO createOrder(Map<String, ?> headers, @Valid CreateOrderRequest orderRequest);
 }

retail-store-webapp/src/main/java/com/example/retailstore/webapp/clients/order/OrderStatus.java

@@ -0,0 +1,9 @@
+package com.example.retailstore.webapp.clients.order;
+
+public enum OrderStatus {
+    NEW,
+    IN_PROCESS,
+    DELIVERED,
+    CANCELLED,
+    ERROR
+}

retail-store-webapp/src/main/java/com/example/retailstore/webapp/web/controller/OrderController.java

@@ -1,16 +1,21 @@
 package com.example.retailstore.webapp.web.controller;
 
 import com.example.retailstore.webapp.clients.PagedResult;
+import com.example.retailstore.webapp.clients.order.CreateOrderRequest;
+import com.example.retailstore.webapp.clients.order.OrderConfirmationDTO;
 import com.example.retailstore.webapp.clients.order.OrderResponse;
 import com.example.retailstore.webapp.clients.order.OrderServiceClient;
 import com.example.retailstore.webapp.services.SecurityHelper;
+import jakarta.validation.Valid;
 import java.util.Map;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.ResponseBody;
 
 @Controller
@@ -60,4 +65,11 @@ PagedResult<OrderResponse> getOrders() {
         String accessToken = securityHelper.getAccessToken();
         return Map.of("Authorization", "Bearer " + accessToken);
     }
+
+    @PostMapping("/api/orders")
+    @ResponseBody
+    OrderConfirmationDTO createOrder(@Valid @RequestBody CreateOrderRequest orderRequest) {
+        log.info("Creating order: {}", orderRequest);
+        return orderServiceClient.createOrder(getHeaders(), orderRequest);
+    }
 }