feat: 아이템/칭호 장착 기능 추가 (#80)

Author: jaegyun1011

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

@@ -166,6 +166,40 @@ public ResponseEntity<ApiResponse<MemberDto>> me() {
                 );
     }
 
+    @PutMapping("/equip/item/{id}")
+    @Operation(summary = "아이템 장착", description = "보유한 아이템 장착")
+    public ResponseEntity<ApiResponse<Void>> equipItem(
+            @PathVariable String id
+    ) {
+        Member actor = rq.getActorFromDb();
+        memberService.modifyItem(actor, Integer.parseInt(id));
+
+        return ResponseEntity
+                .status(HttpStatus.OK)
+                .body(new ApiResponse<>(
+                                "200",
+                                "[Member] Success: 아이템 장착"
+                        )
+                );
+    }
+
+    @PutMapping("/equip/title/{id}")
+    @Operation(summary = "칭호 장착", description = "보유한 칭호 장착")
+    public ResponseEntity<ApiResponse<Void>> equipTitle(
+            @PathVariable String id
+    ) {
+        Member actor = rq.getActorFromDb();
+        memberService.modifyTitle(actor, Integer.parseInt(id));
+
+        return ResponseEntity
+                .status(HttpStatus.OK)
+                .body(new ApiResponse<>(
+                                "200",
+                                "[Member] Success: 칭호 장착"
+                        )
+                );
+    }
+
     @DeleteMapping("/delete")
     @Operation(summary = "회원 탈퇴", description = "회원 탈퇴")
     public ResponseEntity<ApiResponse<Void>> delete() {

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

@@ -1,8 +1,12 @@
 package com.back.domain.member.service;
 
+import com.back.domain.item.entity.Item;
+import com.back.domain.item.repository.ItemRepository;
 import com.back.domain.member.entity.Member;
 import com.back.domain.member.entity.MemberGender;
 import com.back.domain.member.repository.MemberRepository;
+import com.back.domain.title.entity.Title;
+import com.back.domain.title.repository.TitleRepository;
 import com.back.global.exception.CustomException;
 import com.back.global.exception.ErrorCode;
 import lombok.RequiredArgsConstructor;
@@ -19,9 +23,11 @@
 @RequiredArgsConstructor
 @Transactional
 public class MemberService {
+    private final PasswordEncoder passwordEncoder;
     private final AuthService authService;
     private final MemberRepository memberRepository;
-    private final PasswordEncoder passwordEncoder;
+    private final ItemRepository itemRepository;
+    private final TitleRepository titleRepository;
 
     //가입 (일반)
     public Member signup(
@@ -114,6 +120,18 @@ public void modifyStatus(
         member.setMoney(money);
     }
 
+    public void modifyItem(Member member, int id) {
+        Item item = itemRepository.findById(id)
+                .orElseThrow(() -> new CustomException(ErrorCode.NOT_FOUND, "[Member] Fail: 존재하지 않는 아이템"));
+        member.setItem(item);
+    }
+
+    public void modifyTitle(Member member, int id) {
+        Title title = titleRepository.findById(id)
+                .orElseThrow(() -> new CustomException(ErrorCode.NOT_FOUND, "[Member] Fail: 존재하지 않는 칭호"));
+        member.setTitle(title);
+    }
+
     // *** Find 메서드 ***
     public Optional<Member> findById(int id) {
         return memberRepository.findById(id);