gist-helper · HoyoenKim · Jan 28, 2023 · Jan 28, 2023 · Jan 28, 2023 · Jan 28, 2023
diff --git a/src/main/java/com/example/helper/constant/Types.java b/src/main/java/com/example/helper/constant/Types.java
@@ -0,0 +1,23 @@
+package com.example.helper.constant;
+
+public enum Types {
+    LANG_KOR(0),
+    LANG_ENG(1),
+    BLDG1_1ST(0),
+    BLDG1_2ND(1),
+    BLDG2_1ST(2),
+    KIND_BREAKFAST(0),
+    KIND_LUNCH(1),
+    KIND_DINNER(2),
+    KIND_LUNCH_CORNER(3);
+
+    private Integer type;
+
+    Types(Integer type) {
+        this.type = type;
+    }
+
+    public Integer getType() {
+        return type;
+    }
+}
diff --git a/src/main/java/com/example/helper/controller/MealController.java b/src/main/java/com/example/helper/controller/MealController.java
@@ -1,39 +1,48 @@
 package com.example.helper.controller;
+import com.example.helper.dto.DateMealDto;
+import com.example.helper.dto.DateReqDto;
 import com.example.helper.dto.Mealdto;
 import com.example.helper.entity.Meal;
+import com.example.helper.service.DateMealService;
 import com.example.helper.service.MealService;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import org.springframework.web.server.ResponseStatusException;
 
 
-@RestController
+@RestController // @Controller + @ResponseBody. return이 view가 아닌, http body에 직접 쓰여짐.
 @RequestMapping(path = "/meals", produces = "application/json;charset=UTF-8")
 @Slf4j
 public class MealController {
 
     @Autowired
     private MealService mealService;
 
+    @Autowired
+    private DateMealService dateMealService;
+
     @GetMapping("/all")
     public String hello() {
         return "Hello HELPERs. 초기 세팅 완료.";
     }
 
     @PostMapping("/test")
-    public @ResponseBody void test(String testStr) {
+    public void test(String testStr) {
         log.info(testStr);
     }
+
     @PostMapping("/create")
-    public @ResponseBody String createMeal(@RequestBody Mealdto mealDto) {
+    public String createMeal(@RequestBody Mealdto mealDto) {
         // input  : 식단 json
         // output : None
 
@@ -48,7 +57,7 @@ public String hello() {
     }
 
     @PostMapping("/kor")
-    public @ResponseBody String readKorMeal() throws JsonProcessingException {
+    public String readKorMeal() throws JsonProcessingException {
         // input  : None (먼저 서버에서 현재 시간 측정)
         // output : 한국어 식단이 포함된 JSON (단, JSON은 카톡 서버가 받을 수 있는 형식이여야 함.)
 
@@ -70,7 +79,7 @@ public String hello() {
         //                     }
         //                  };
 
-        Map<String, Object> simpleText =  new HashMap<>();
+        Map<String, Object> simpleText = new HashMap<>();
         simpleText.put("text", nowMeal);
 
         Map<String, Object> simpleTextWrapper = new HashMap<>();
@@ -93,7 +102,7 @@ public String hello() {
     }
 
     @PostMapping("/eng")
-    public @ResponseBody String readEngMeal() throws JsonProcessingException {
+    public String readEngMeal() throws JsonProcessingException {
         // input  : None (먼저 서버에서 현재 시간 측정)
         // output : 영어 식단이 포함된 JSON (단, JSON은 카톡 서버가 받을 수 있는 형식이여야 함.)
 
@@ -115,7 +124,7 @@ public String hello() {
         //                     }
         //                  };
 
-        Map<String, Object> simpleText =  new HashMap<>();
+        Map<String, Object> simpleText = new HashMap<>();
         simpleText.put("text", nowMeal);
 
         Map<String, Object> simpleTextWrapper = new HashMap<>();
@@ -138,7 +147,7 @@ public String hello() {
     }
 
     @PostMapping("/speckor")
-    public @ResponseBody String readSpecKorMeal() throws JsonProcessingException {
+    public String readSpecKorMeal() throws JsonProcessingException {
         // input : 날짜요일내일 + 아점저 + 1/2학
         // output : 한국어 식단이 포함된 JSON (단, JSON은 카톡 서버가 받을 수 있는 형식이여야 함.)
 
@@ -160,7 +169,7 @@ public String hello() {
         //                     }
         //                  };
 
-        Map<String, Object> simpleText =  new HashMap<>();
+        Map<String, Object> simpleText = new HashMap<>();
         simpleText.put("text", specMeal);
 
         Map<String, Object> simpleTextWrapper = new HashMap<>();
@@ -183,7 +192,7 @@ public String hello() {
     }
 
     @PostMapping("/speceng")
-    public @ResponseBody String readSpecEngMeal() throws JsonProcessingException {
+    public String readSpecEngMeal() throws JsonProcessingException {
         // input : 날짜요일내일 + 아점저 + 1/2학
         // output : 영어 식단이 포함된 JSON (단, JSON은 카톡 서버가 받을 수 있는 형식이여야 함.)
 
@@ -205,7 +214,7 @@ public String hello() {
         //                     }
         //                  };
 
-        Map<String, Object> simpleText =  new HashMap<>();
+        Map<String, Object> simpleText = new HashMap<>();
         simpleText.put("text", specMeal);
 
         Map<String, Object> simpleTextWrapper = new HashMap<>();
@@ -226,4 +235,32 @@ public String hello() {
 
         return result;
     }
+
+    // FE쪽에서 query에 담아주면 아래처럼 dto 객체 하나만 req로 받으면 되서 코드 깔끔함.
+    // DateMealDto dateMealDtoList = dateMealService.getDateMeal(dateReqDto);
+    // 근데 FE에서 보낼때 parameter 일일이 적기 귀찮으니 pathvariable로 받아서 처리
+    @GetMapping("/date/{year}/{month}/{day}/{bldgType}/{langType}")
+    public DateMealDto DateMealRead(
+            @PathVariable("langType") Integer langType,
+            @PathVariable("bldgType") Integer bldgType,
+            @PathVariable("year") Integer year,
+            @PathVariable("month") Integer month,
+            @PathVariable("day") Integer  day) {
+
+        DateReqDto dateReqDto = DateReqDto.builder()
+                .langType(langType)
+                .bldgType(bldgType)
+                .year(year.toString())
+                .month(month.toString())
+                .date(day.toString())
+                .build();
+
+        try {
+            DateMealDto dateMealDto = dateMealService.getDateMenus(dateReqDto);
+            return dateMealDto;
+        } catch (IllegalStateException e) {
+            throw new ResponseStatusException(
+                    HttpStatus.NOT_ACCEPTABLE, e.getMessage());
+        }
+    }
 }
diff --git a/src/main/java/com/example/helper/dto/DateMealDto.java b/src/main/java/com/example/helper/dto/DateMealDto.java
@@ -0,0 +1,24 @@
+package com.example.helper.dto;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+// https://dev-jhl.tistory.com/entry/Lombok-올바른-Lombok-사용법-Builder
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class DateMealDto {
+    private String breakfast;
+    private String lunch;
+    private String lunch_corner;
+    private String dinner;
+
+    @Builder
+    public DateMealDto(String breakfast, String lunch, String lunch_corner, String dinner) {
+        this.breakfast = breakfast;
+        this.lunch = lunch;
+        this.lunch_corner = lunch_corner;
+        this.dinner = dinner;
+    }
+}
diff --git a/src/main/java/com/example/helper/dto/DateReqDto.java b/src/main/java/com/example/helper/dto/DateReqDto.java
@@ -0,0 +1,27 @@
+package com.example.helper.dto;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@Getter
+@ToString
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class DateReqDto {
+    private Integer langType;
+    private Integer bldgType;
+    private String year;
+    private String month;
+    private String date;
+
+    @Builder
+    public DateReqDto(Integer langType, Integer bldgType, String year, String month, String date) {
+        this.langType = langType;
+        this.bldgType = bldgType;
+        this.year = year;
+        this.month = month;
+        this.date = date;
+    }
+}
diff --git a/src/main/java/com/example/helper/repository/SqlMealRepository.java b/src/main/java/com/example/helper/repository/SqlMealRepository.java
@@ -33,6 +33,18 @@ public Optional<Meal> findByPk(Integer bldgType, Integer langType, Integer dateT
         return result.stream().findAny();
     }
 
+    public Optional<Meal> findByDate(Integer bldgType, Integer langType, Integer kindType, String date) {
+        List<Meal> result = em.createQuery("select m from Meal m where " +
+                        "m.bldgType = :bldgType and m.langType = :langType and m.kindType = :kindType " +
+                        "and m.date = :date", Meal.class)
+                .setParameter("bldgType", bldgType)
+                .setParameter("langType", langType)
+                .setParameter("kindType", kindType)
+                .setParameter("date", date)
+                .getResultList();
+        return result.stream().findAny();
+    }
+
     @Override
     public Optional<Meal> findById(Long mealId) {
         Meal meal = em.find(Meal.class, mealId);

diff --git a/src/main/java/com/example/helper/service/DateMealService.java b/src/main/java/com/example/helper/service/DateMealService.java
@@ -0,0 +1,83 @@
+package com.example.helper.service;
+
+import com.example.helper.constant.Types;
+import com.example.helper.dto.DateMealDto;
+import com.example.helper.dto.DateReqDto;
+import com.example.helper.entity.Meal;
+import com.example.helper.repository.SqlMealRepository;
+import java.util.Optional;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@Transactional
+@Slf4j
+public class DateMealService {
+
+    @Autowired
+    private SqlMealRepository sqlMealRepository;
+
+    public DateMealDto getDateMenus(DateReqDto dateReqDto) {
+        DateMealDto result = DateMealDto.builder()
+                .breakfast(getMenuFromMeal(dateReqDto, Types.KIND_BREAKFAST.getType()))
+                .lunch(getMenuFromMeal(dateReqDto, Types.KIND_LUNCH.getType()))
+                .dinner(getMenuFromMeal(dateReqDto, Types.KIND_DINNER.getType()))
+                .lunch_corner((getMenuFromMeal(dateReqDto, Types.KIND_LUNCH_CORNER.getType())))
+                .build();
+
+        // TODO: exception handling(target data is not in DB)
+        if (checkMenusEmpty(result)) {
+            throw new IllegalStateException("해당 날짜의 식단이 존재하지 않습니다.");
+        }
+        return result;
+    }
+
+    public String getMenuFromMeal(DateReqDto dateReqDto, Integer kindType) {
+        String result = "";
+
+        // DB에는 KIND_TYPE이 0,1,2만 존재. 따라서 KIND_LUNCH_CORNER는 KIND_LUNCH로 찾아서 getSpecial해야함.
+        Integer temp = kindType; // Integer는 immutable이므로 '='로 복사가능
+        if (kindType.equals(Types.KIND_LUNCH_CORNER.getType())) {
+            temp  = Types.KIND_LUNCH.getType();
+        }
+
+        Optional<Meal> meal = sqlMealRepository.findByDate(
+                dateReqDto.getBldgType(),
+                dateReqDto.getLangType(),
+                temp,
+                conv2DateStr(dateReqDto.getYear(), dateReqDto.getMonth(), dateReqDto.getDate()));
+
+        if (meal.isPresent()) {
+            result = meal.get().getMenu();
+            if (kindType.equals(Types.KIND_LUNCH_CORNER.getType())) {
+                result = meal.get().getSpecial();
+            }
+        }
+        return result;
+    }
+
+    public String conv2DateStr(String year, String month, String date) {
+        String result = "";
+        result = year + "-" + padZero(month) + "-" + padZero(date);
+        return result;
+    }
+
+    public String padZero(String str) {
+        String result = "";
+        if (str.length() == 1) {
+            result = "0" + str;
+        } else {
+            result = str;
+        }
+        return result;
+    }
+
+    public boolean checkMenusEmpty(DateMealDto dateMealDto) {
+        return dateMealDto.getBreakfast().isEmpty() &&
+                dateMealDto.getLunch().isEmpty() &&
+                dateMealDto.getDinner().isEmpty() &&
+                dateMealDto.getLunch_corner().isEmpty();
+    }
+}
diff --git a/src/main/java/com/example/helper/service/MealService.java b/src/main/java/com/example/helper/service/MealService.java
@@ -1,8 +1,11 @@
 package com.example.helper.service;
 
+import com.example.helper.dto.DateMealDto;
+import com.example.helper.dto.DateReqDto;
 import com.example.helper.entity.Meal;
 import com.example.helper.repository.MealRepository;
 import com.example.helper.repository.SqlMealRepository;
+import java.util.List;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -51,5 +54,4 @@ public String getSpecEngMeal() {
         //TODO sqlMealRepository.findSpecEngMeal
         return "2023-01-27 Breakfast\n\nStudent Union Bldg.2 1st floor\n\nWhite rice*Seasoned rice with seaweed\n";
     }
-
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
@@ -3,7 +3,7 @@ spring.datasource.url=jdbc:mysql://${MYSQL_HOST:localhost}:3306/helper_db
 spring.datasource.username=helper
 spring.datasource.password=12345678
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
-spring.jpa.hibernate.ddl-auto=create
+spring.jpa.hibernate.ddl-auto=validate
 
 spring.jpa.show-sql=true
 spring.jpa.properties.hibernate.format_sql=true