feat(household): 초대코드 조회 API 구현

src/main/java/com/connect/accountApp/domain/household/adapter/in/web/controller/GetHouseholdInviteCodeController.java

@@ -0,0 +1,32 @@
+package com.connect.accountApp.domain.household.adapter.in.web.controller;
+
+import com.connect.accountApp.domain.household.application.port.in.GetHouseholdUseCase;
+import com.connect.accountApp.global.common.adapter.in.web.response.SuccessResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/v1/household")
+@RequiredArgsConstructor
+public class GetHouseholdInviteCodeController {
+
+    private final GetHouseholdUseCase getHouseholdHomeUseCase;
+
+
+    @GetMapping("/inviteCode")
+    public ResponseEntity getHouseholdHome(@AuthenticationPrincipal UserDetails userDetails) {
+
+        String userEmail = userDetails.getUsername();
+
+        String householdInviteCode = getHouseholdHomeUseCase.getHouseholdInviteCode(userEmail);
+
+        return ResponseEntity.ok(SuccessResponse.create200SuccessResponse(householdInviteCode));
+    }
+
+
+}

src/main/java/com/connect/accountApp/domain/household/application/port/in/GetHouseholdUseCase.java

@@ -4,4 +4,6 @@ public interface GetHouseholdUseCase {
 
     String getHouseholdName(String userEmail);
 
+    String getHouseholdInviteCode(String userEmail);
+
 }

src/main/java/com/connect/accountApp/domain/household/application/service/GetHouseholdService.java

@@ -19,4 +19,11 @@ public String getHouseholdName(String userEmail) {
 
         return userWithHousehold.getHousehold().getHouseholdName();
     }
+
+    @Override
+    public String getHouseholdInviteCode(String userEmail) {
+        User userWithHousehold = getUserPort.findUserWithHousehold(userEmail);
+
+        return userWithHousehold.getHousehold().getInviteCode();
+    }
 }