Yv3 #1/order and fund (#20)

* feat[v2#2]: Item funding quantity 구현 중

* chore[v2#2]: MemberCreateRequest 이름 수정

* feat[v2#2]: funding 구현 중

* order, item관계 설정

* item, order 관계 설정

src/main/java/com/noriton/team9/controller/OrderController.java

@@ -24,6 +24,14 @@ public ResponseEntity<Orders> createOrder(@RequestBody OrderCreationRequest requ
         return ResponseEntity.ok(orderService.saveOrder(request.getAddress(), request.getSize(), request.getCount(), request.getPhoneNumber(), request.getMemberId(), request.getItemId()));
     }
 
+    /**
+     * 주문 승인
+     * */
+    @PostMapping("/order")
+    public ResponseEntity<Orders> approveOrder(@RequestBody OrderCreationRequest request){
+        return ResponseEntity.ok(orderService.approveOrder(request.getItemId()));
+    }
+
     /**
      * 펀딩 전체 조회
      * */

src/main/java/com/noriton/team9/domain/Item.java

@@ -4,6 +4,9 @@
 import lombok.Getter;
 import lombok.Setter;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Getter
 @Setter
 @Entity
@@ -23,15 +26,21 @@ public class Item {
 
     private int stockQuantity;
 
+    private int count;
+
+    @OneToMany(mappedBy = "item")
+    private List<Orders> fundingList = new ArrayList<>();
     public void removeStockQuantity(int count) {
         int resStock = this.stockQuantity - count;
         if(resStock < 0){
             throw new IllegalStateException("펀딩 한계치를 초과했습니다.");
         }
+        this.count += count;
         this.stockQuantity -= count;
     }
 
     public void addStockQuantity(int count) {
+        this.count -= count;
         this.stockQuantity += count;
     }
 }

src/main/java/com/noriton/team9/domain/Orders.java

@@ -7,6 +7,7 @@
 import lombok.Setter;
 
 import java.time.LocalDateTime;
+import java.util.List;
 
 @Entity
 @Getter
@@ -26,7 +27,7 @@ public class Orders {
 
     private String size;
 
-    @OneToOne
+    @ManyToOne
     @JoinColumn(name = "item_id")
     private Item item;
     private LocalDateTime orderDate;
@@ -42,20 +43,47 @@ public class Orders {
     private String fundStatus;
 
     //==생성 메서드==//
+    // 펀딩 생성
     public static Orders createOrder(int count, String address, String size, String phoneNumber, Member member, Item item, String fundStatus){
         Orders order = new Orders();
         order.setCount(count);
         order.setAddress(address);
         order.setSize(size);
         order.setPhoneNumber(phoneNumber);
         order.setMember(member);
-        order.setItem(item);
+        order.setItemRelation(item);
         order.setFundStatus(fundStatus);
         order.setOrderDate(LocalDateTime.now());
         order.setTotalPrice(count * item.getPrice());
         return order;
     }
 
+    private void setItemRelation(Item item) {
+        this.item = item;
+        item.getFundingList().add(this);
+    }
+
+    public static Orders approveOrder(Item item, String fundStatus) {
+        Orders order = new Orders();
+        order.setFundStatus(fundStatus);    // approved
+        order.setOrderDate(LocalDateTime.now());
+        int totalCount=0, totalPrice=0;
+        List<Orders> fundingList = item.getFundingList();
+        for(int i=0; i<fundingList.size(); i++){
+            totalCount += fundingList.get(i).count;
+            totalPrice += fundingList.get(i).totalPrice;
+            fundingList.get(i).setFundStatus(fundStatus);
+        }
+        order.setCount(totalCount);
+        order.setTotalPrice(totalPrice);
+        order.setApprovedItem(item);
+    }
+
+    // approved된 order는 Item의 fundingList에 하위로 들어가지 않는다. 단방향 관계.
+    private void setApprovedItem(Item item) {
+        this.item = item;
+    }
+
     public void setMember(Member member){
         this.member = member;
         member.getOrdersList().add(this);

src/main/java/com/noriton/team9/service/ItemService.java

@@ -43,6 +43,7 @@ public Item createItem(ItemCreationRequest item) {
         }
         Item itemToCreate = new Item();
         BeanUtils.copyProperties(item, itemToCreate);
+        itemToCreate.setCount(0);
         itemToCreate.setSample(sample.get());
         return itemRepository.save(itemToCreate);
     }

src/main/java/com/noriton/team9/service/OrderService.java

@@ -58,12 +58,30 @@ public void deleteOrder(Long orderId){
     }
 
     /**
-     * 펀딩 조회 - 상품별
+     * 펀딩 조회 - 상품별 : 관리자 페이지에서 조회
      * */
     public List<Orders> findOrdersByItem(Long itemId) {
         return orderRepository.findByItem(itemId);
     }
 
+    /**
+     * 펀딩 조회 - 멤버별 : 마이페이지에서 내가 펀딩한 상품 보기
+     * */
+//    public List<Orders> findOrdersByMember(Long memberId) { return orderRepository.findByMember(memberId);}
+
+
+    /**
+     * 주문 승인
+     * */
+    @Transactional
+    public Orders approveOrder(Long itemId) {
+        Optional<Item> optionalItem = itemRepository.findById(itemId);
+        Item item = optionalItem.get();
+
+        Orders order = Orders.approveOrder(item, "APPROVED");
+        return orderRepository.save(order);
+    }
+
     /**
      * 주문 조회 by id
      * */