feat: Item 요구사항 변경 반영 (#127)

* feat: Item 요구사항 변경 반영

* fix: 버그 수정

Author: jaegyun1011

backend/src/main/java/com/back/domain/member/controller/ApiV1MemberController.java

@@ -1,6 +1,5 @@
 package com.back.domain.member.controller;
 
-import com.back.domain.item.entity.ItemType;
 import com.back.domain.member.dto.*;
 import com.back.domain.member.entity.Member;
 import com.back.domain.member.service.MemberService;
@@ -257,20 +256,17 @@ public ResponseEntity<ApiResponse<MemberDto>> equipTitle(
                 );
     }
 
-    public record ItemUnequipReqDto(ItemType type) {}
     @PutMapping("/unequip/item")
     @Operation(summary = "아이템 장착 해제", description = "현재 장착한 아이템 해제")
-    public ResponseEntity<ApiResponse<MemberDto>> unequipItem(
-            @Valid @RequestBody ItemUnequipReqDto reqBody
-    ) {
+    public ResponseEntity<ApiResponse<MemberDto>> unequipItem() {
         Member actor = rq.getActorFromDb();
-        memberService.unequipItem(actor, reqBody.type());
+        memberService.unequipItem(actor);
 
         return ResponseEntity
                 .status(HttpStatus.OK)
                 .body(new ApiResponse<>(
                                 "200",
-                                "[Member] Success: 아이템 장착 해제 (%s)".formatted(reqBody.type()),
+                                "[Member] Success: 아이템 장착 해제",
                                 new MemberDto(actor)
                         )
                 );

backend/src/main/java/com/back/domain/member/dto/MemberDto.java

@@ -1,13 +1,9 @@
 package com.back.domain.member.dto;
 
-import com.back.domain.item.entity.Item;
-import com.back.domain.item.entity.ItemType;
 import com.back.domain.member.entity.Member;
 import com.back.domain.member.entity.MemberGender;
 
 import java.time.LocalDate;
-import java.util.EnumMap;
-import java.util.Map;
 
 public record MemberDto(
         Integer id,
@@ -20,7 +16,7 @@ public record MemberDto(
         Integer xpReq,
         Integer money,
         String title,
-        Map<ItemType, Integer> items
+        String item
 ) {
     public MemberDto(Member member) {
         this(
@@ -34,16 +30,7 @@ public MemberDto(Member member) {
                 member.getXpReq(),
                 member.getMoney(),
                 member.getTitle() != null ? member.getTitle().getContent() : null,
-                buildItems(member)
+                member.getTitle() != null ? member.getItem().getImg() : null
         );
     }
-
-    private static Map<ItemType, Integer> buildItems(Member member) {
-        Map<ItemType, Integer> map = new EnumMap<>(ItemType.class);
-        for (ItemType type : ItemType.values()) {
-            Item item = member.getItems().get(type);
-            map.put(type, item != null ? item.getId() : null);
-        }
-        return map;
-    }
 }

backend/src/main/java/com/back/domain/member/entity/Member.java

@@ -1,7 +1,6 @@
 package com.back.domain.member.entity;
 
 import com.back.domain.item.entity.Item;
-import com.back.domain.item.entity.ItemType;
 import com.back.domain.title.entity.Title;
 import com.back.global.jpa.entity.BaseEntity;
 import jakarta.persistence.*;
@@ -38,9 +37,8 @@ public class Member extends BaseEntity {
     // *** 장착한 칭호/아이템 정보 ***
     @ManyToOne(fetch = FetchType.LAZY)
     private Title title;
-    @OneToMany(fetch = FetchType.LAZY)
-    @MapKey(name = "type")
-    private Map<ItemType, Item> items;
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Item item;
 
     // *** 보유한 칭호/아이템 정보 ***
     @ManyToMany(fetch = FetchType.LAZY)
@@ -62,10 +60,7 @@ public Member(String email, String password, String name) {
         this.name = name;
 
         this.title = null;
-        this.items = new EnumMap<>(ItemType.class);
-        for(ItemType type : ItemType.values()) {
-            this.items.put(type, null);
-        }
+        this.item = null;
         this.ownedTitles = new HashSet<>();
         this.ownedItems = new HashSet<>();
 
@@ -78,11 +73,6 @@ public Member(int id, String email) {
         this.email = email;
     }
 
-    //아이템 장착
-    public void setItem(Item item) {
-        this.items.put(item.getType(), item);
-    }
-
     //칭호 획득
     public void addTitle(Title title) {
         this.ownedTitles.add(title);

backend/src/main/java/com/back/domain/member/service/MemberService.java

@@ -1,7 +1,6 @@
 package com.back.domain.member.service;
 
 import com.back.domain.item.entity.Item;
-import com.back.domain.item.entity.ItemType;
 import com.back.domain.item.repository.ItemRepository;
 import com.back.domain.member.entity.Member;
 import com.back.domain.member.entity.MemberGender;
@@ -132,8 +131,8 @@ public void equipTitle(Member member, int titleId) {
     }
 
     // *** 아이템&칭호 장착 해제***
-    public void unequipItem(Member member, ItemType type) {
-        member.getItems().put(type, null);
+    public void unequipItem(Member member) {
+        member.setItem(null);
     }
 
     public void unequipTitle(Member member) {

backend/src/test/java/com/back/domain/member/ApiV1MemberControllerTest.java

@@ -426,7 +426,7 @@ void unequipItem() throws Exception {
                 .andExpect(handler().methodName("unequipItem"))
                 .andExpect(status().isOk())
                 .andExpect(jsonPath("$.code").value("200"))
-                .andExpect(jsonPath("$.message").value("[Member] Success: 아이템 장착 해제 (%s)".formatted(item1.getType())))
+                .andExpect(jsonPath("$.message").value("[Member] Success: 아이템 장착 해제"))
                 .andExpect(jsonPath("$.content").exists())
                 .andExpect(jsonPath("$.content.items." + item1.getType()).value(nullValue()));
     }