feat: 가장 최근 식단에서 부족한 영양소 top3 조회 api 구현 완료

src/main/java/com/example/kusitmshackthon/domain/healthlog/standard/StandardHealthLog.java

@@ -0,0 +1,16 @@
+package com.example.kusitmshackthon.domain.healthlog.standard;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class StandardHealthLog {
+    // 15세 여아 표준 영양 정보
+    Float protein = 45F; // 단백질(g)
+    Float calcium = 800F; // 칼슘(mg)
+    Float sodium = 1.5F; // 나트륨(mg)
+    Float fe = 17F; // 철(mg)
+    Float zinc = 9F; // 아연(mg)
+}

src/main/java/com/example/kusitmshackthon/domain/member/controller/MemberController.java

@@ -3,6 +3,7 @@
 
 import com.example.kusitmshackthon.domain.member.dto.response.MainPageResponse;
 import com.example.kusitmshackthon.domain.member.service.MemberService;
+import io.swagger.v3.oas.annotations.Operation;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
@@ -18,6 +19,12 @@
 public class MemberController {
     private final MemberService memberService;
 
+    @Operation(summary = "가장 최근에 섭취한 식단에서, 부족한 영양소 top 3 조회", description =
+                    """
+                    name 은 영양소 이름이고, amount 는 섭취량, diff: 는 권장 섭취량 - amount 입니다!
+                    
+                    부족한 순으로 정렬해서 나갑니다..
+                    """)
     @GetMapping("/{userId}")
     public ResponseEntity<MainPageResponse> getMainPage(@PathVariable(name = "userId") Long userId) {
         MainPageResponse response = memberService.getMainPage(userId);

src/main/java/com/example/kusitmshackthon/domain/member/dto/response/MainPageResponse.java

@@ -1,6 +1,7 @@
 package com.example.kusitmshackthon.domain.member.dto.response;
 
 
+import com.example.kusitmshackthon.domain.diet.dto.response.PostDietResponse;
 import lombok.*;
 
 import java.util.List;
@@ -19,8 +20,12 @@ public class MainPageResponse {
     @ToString
     public static class NutrientInfo {
         private String name;
-        private Integer plus;
-        private Integer minus;
+        private Float amount;
+        private Float diff;
+
+        public static MainPageResponse.NutrientInfo of (String name, Float amount, Float diff){
+            return new MainPageResponse.NutrientInfo(name, amount, diff);
+        }
     }
 
     public static MainPageResponse of(List<NutrientInfo> nutrientInfoList) {

src/main/java/com/example/kusitmshackthon/domain/member/service/MemberService.java

@@ -2,6 +2,7 @@
 
 import com.example.kusitmshackthon.domain.healthlog.entity.HealthLog;
 import com.example.kusitmshackthon.domain.healthlog.repository.HealthLogRepository;
+import com.example.kusitmshackthon.domain.healthlog.standard.StandardHealthLog;
 import com.example.kusitmshackthon.domain.member.dto.response.MainPageResponse;
 import com.example.kusitmshackthon.domain.member.dto.response.MemberAuthResponseDto;
 import com.example.kusitmshackthon.domain.member.entity.Member;
@@ -18,7 +19,9 @@
 
 import java.time.LocalDate;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import static com.example.kusitmshackthon.domain.healthlog.entity.QHealthLog.healthLog;
 
@@ -34,7 +37,6 @@ public class MemberService {
     private EntityManager entityManager;
 
     public MainPageResponse getMainPage(Long userId) {
-        List<MainPageResponse.NutrientInfo> nutrientInfoList = new ArrayList<>();
         Member member = memberRepository.findById(userId)
                 .orElseThrow(MemberNotFoundException::new);
         LocalDate nowDate = LocalDate.now();
@@ -54,8 +56,54 @@ public MainPageResponse getMainPage(Long userId) {
                 .orderBy(healthLog.intakeAt.desc())
                 .limit(1)
                 .fetchOne();
+        // 해당 회원의 베스트 영양 정보 get 하기
+        StandardHealthLog standardHealthLog = new StandardHealthLog();
+
+        Map<String, Float> diffHashMap = new HashMap<>();
+        Map<String, Float> orignHashMap = new HashMap<>();
+
+        orignHashMap.put("protein", recentlyHealthLog.getProtein());
+        orignHashMap.put("calcium", recentlyHealthLog.getCalcium());
+        orignHashMap.put("sodium", recentlyHealthLog.getSodium());
+        orignHashMap.put("fe", recentlyHealthLog.getFe());
+        orignHashMap.put("zinc", recentlyHealthLog.getZinc());
+
+        if (recentlyHealthLog.getProtein() != 0) {
+            diffHashMap.put("protein", recentlyHealthLog.getProtein() - standardHealthLog.getProtein());
+        }
+        if (recentlyHealthLog.getCalcium() != 0) {
+            diffHashMap.put("calcium", recentlyHealthLog.getCalcium() - standardHealthLog.getCalcium());
+        }
+        if (recentlyHealthLog.getSodium() != 0) {
+            diffHashMap.put("sodium", recentlyHealthLog.getSodium() - standardHealthLog.getSodium());
+        }
+        if (recentlyHealthLog.getFe() != 0) {
+            diffHashMap.put("fe", recentlyHealthLog.getFe() - standardHealthLog.getFe());
+        }
+        if (recentlyHealthLog.getZinc() != 0) {
+            diffHashMap.put("zinc", recentlyHealthLog.getZinc() - standardHealthLog.getZinc());
+        }
 
-        System.out.println("recentlyHealthLog = " + recentlyHealthLog);
+
+        List<Map.Entry<String, Float>> collect = diffHashMap.entrySet().stream()
+                .sorted(Map.Entry.comparingByValue())
+                .toList();
+
+        List<MainPageResponse.NutrientInfo> nutrientInfoList = new ArrayList<>();
+        int cnt = 0;
+        for (Map.Entry<String, Float> entry : collect) {
+            String key = entry.getKey();
+            Float diff = entry.getValue();
+            if (Math.abs(diff) <= 200) {
+                cnt++;
+                nutrientInfoList.add(MainPageResponse.NutrientInfo.of(
+                        key, orignHashMap.get(key), diff
+                ));
+                if (cnt == 3) {
+                    break;
+                }
+            }
+        }
 
         return MainPageResponse.of(nutrientInfoList);
     }