Order 모듈 코드 작성

gateway/src/main/resources/application.yml

@@ -30,6 +30,10 @@ spring:
           uri: lb://CATALOG-SERVICE
           predicates:
             - Path=/catalog-service/**
+        - id: order-service
+          uri: lb://ORDER-SERVICE
+          predicates:
+            - Path=/order-service/**
         - id: test-server-1
           uri: lb://TEST-SERVER-1
           predicates:

order-service/build.gradle

@@ -3,6 +3,8 @@ ext {
 }
 
 dependencies {
+    implementation(project(":util"))
+
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'

order-service/src/main/java/com/roy/springcloud/orderservice/controller/OrderController.java

@@ -0,0 +1,50 @@
+package com.roy.springcloud.orderservice.controller;
+
+import com.roy.springcloud.orderservice.dto.OrderDto;
+import com.roy.springcloud.orderservice.service.OrderService;
+import com.roy.springcloud.orderservice.vo.request.OrderSaveRequest;
+import com.roy.springcloud.orderservice.vo.response.OrderResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.env.Environment;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static com.roy.springcloud.util.mapper.MapperUtil.toObject;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/order-service")
+public class OrderController {
+    private final Environment environment;
+    private final OrderService orderService;
+
+    @GetMapping("/health-check")
+    public String healthCheck() {
+        return String.format("It's working in order service on port: %s",
+                environment.getProperty("local.server.port"));
+    }
+
+    @PostMapping("/{userId}/orders")
+    public ResponseEntity<OrderResponse> createOrder(@PathVariable("userId") String userId,
+                                                     @RequestBody OrderSaveRequest request) {
+        OrderDto orderDto = toObject(request, OrderDto.class);
+        orderDto.setUserId(userId);
+        OrderDto savedOrder = orderService.createOrder(orderDto);
+        OrderResponse response = toObject(savedOrder, OrderResponse.class);
+        return ResponseEntity.status(HttpStatus.CREATED).body(response);
+    }
+
+    @GetMapping("/{userId}/orders")
+    public ResponseEntity<List<OrderResponse>> getOrder(@PathVariable("userId") String userId) {
+        List<OrderDto> savedOrders = orderService.getOrderByUserId(userId);
+        List<OrderResponse> response = savedOrders.stream()
+                .map(order -> toObject(order, OrderResponse.class))
+                .collect(Collectors.toList());
+        return ResponseEntity.status(HttpStatus.OK).body(response);
+    }
+
+}

order-service/src/main/java/com/roy/springcloud/orderservice/domain/Order.java

@@ -0,0 +1,35 @@
+package com.roy.springcloud.orderservice.domain;
+
+import lombok.Data;
+import org.hibernate.annotations.ColumnDefault;
+
+import javax.persistence.*;
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+@Data
+@Entity
+@Table(name = "orders")
+public class Order implements Serializable {
+    @Id @GeneratedValue
+    private Long id;
+
+    @Column(nullable = false, length = 125)
+    private String productId;
+    @Column(nullable = false)
+    private Integer quantity;
+    @Column(nullable = false)
+    private Integer unitPrice;
+    @Column(nullable = false)
+    private Integer totalPrice;
+
+    @Column(nullable = false)
+    private String userId;
+    @Column(nullable = false, unique = true)
+    private String orderId;
+
+    @Column(nullable = false, updatable = false, insertable = false)
+    @ColumnDefault(value = "CURRENT_TIMESTAMP")
+    private LocalDateTime createdAt;
+
+}

order-service/src/main/java/com/roy/springcloud/orderservice/dto/OrderDto.java

@@ -0,0 +1,16 @@
+package com.roy.springcloud.orderservice.dto;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class OrderDto implements Serializable {
+    private String productId;
+    private Integer quantity;
+    private Integer unitPrice;
+    private Integer totalPrice;
+
+    private String orderId;
+    private String userId;
+}

order-service/src/main/java/com/roy/springcloud/orderservice/repository/OrderRepository.java

@@ -0,0 +1,11 @@
+package com.roy.springcloud.orderservice.repository;
+
+import com.roy.springcloud.orderservice.domain.Order;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.Optional;
+
+public interface OrderRepository extends CrudRepository<Order, Long> {
+    Optional<Order> findByOrderId(String orderId);
+    Iterable<Order> findAllByUserId(String userId);
+}

order-service/src/main/java/com/roy/springcloud/orderservice/service/OrderService.java

@@ -0,0 +1,11 @@
+package com.roy.springcloud.orderservice.service;
+
+import com.roy.springcloud.orderservice.dto.OrderDto;
+
+import java.util.List;
+
+public interface OrderService {
+    OrderDto createOrder(OrderDto orderDto);
+    OrderDto getOrderByOrderId(String orderId);
+    List<OrderDto> getOrderByUserId(String userId);
+}

order-service/src/main/java/com/roy/springcloud/orderservice/service/impl/OrderServiceImpl.java

@@ -0,0 +1,47 @@
+package com.roy.springcloud.orderservice.service.impl;
+
+import com.roy.springcloud.orderservice.domain.Order;
+import com.roy.springcloud.orderservice.dto.OrderDto;
+import com.roy.springcloud.orderservice.repository.OrderRepository;
+import com.roy.springcloud.orderservice.service.OrderService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import static com.roy.springcloud.util.mapper.MapperUtil.toObject;
+
+@Service
+@RequiredArgsConstructor
+public class OrderServiceImpl implements OrderService {
+    private final OrderRepository orderRepository;
+
+    @Override
+    public OrderDto createOrder(OrderDto orderDto) {
+        orderDto.setOrderId(UUID.randomUUID().toString());
+        orderDto.setTotalPrice(orderDto.getQuantity() * orderDto.getUnitPrice());
+        Order newOrder = toObject(orderDto, Order.class);
+        orderRepository.save(newOrder);
+        return toObject(newOrder, OrderDto.class);
+    }
+
+    @Override
+    public OrderDto getOrderByOrderId(String orderId) {
+        Order savedOrder = orderRepository.findByOrderId(orderId)
+                .orElseThrow(() -> new IllegalArgumentException("Cannot found order"));
+        return toObject(savedOrder, OrderDto.class);
+    }
+
+    @Override
+    public List<OrderDto> getOrderByUserId(String userId) {
+        Iterable<Order> savedOrders = orderRepository.findAllByUserId(userId);
+        List<OrderDto> response = new ArrayList<>();
+        savedOrders.forEach(order -> {
+            response.add(toObject(order, OrderDto.class));
+        });
+        return response;
+    }
+
+}

order-service/src/main/java/com/roy/springcloud/orderservice/vo/request/OrderSaveRequest.java

@@ -0,0 +1,10 @@
+package com.roy.springcloud.orderservice.vo.request;
+
+import lombok.Data;
+
+@Data
+public class OrderSaveRequest {
+    private String productId;
+    private Integer quantity;
+    private Integer unitPrice;
+}

order-service/src/main/java/com/roy/springcloud/orderservice/vo/response/OrderResponse.java

@@ -0,0 +1,18 @@
+package com.roy.springcloud.orderservice.vo.response;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class OrderResponse {
+    private String productId;
+    private Integer quantity;
+    private Integer unitPrice;
+    private Integer totalPrice;
+    private LocalDateTime createdAt;
+
+    private String orderId;
+}

order-service/src/main/resources/application.yml

@@ -10,6 +10,9 @@ spring:
       settings:
         web-allow-others: true
       path: /h2-console
+  jpa:
+    hibernate:
+      ddl-auto: update
   datasource:
     driver-class-name: org.h2.Driver
     url: jdbc:h2:mem:testdb
@@ -24,4 +27,8 @@ eureka:
       defaultZone: http://localhost:8761/eureka
 
 greeting:
-  message: Welcome to the Simple E-Commerce(Order Service).
+  message: Welcome to the Simple E-Commerce(Order Service).
+
+logging:
+  level:
+    com.roy.springcloud.orderservice: DEBUG