#9 feat: 레시피글 상세 조회 API

src/main/java/com/kkobugi/puremarket/ingredient/repository/IngredientRepository.java

@@ -0,0 +1,12 @@
+package com.kkobugi.puremarket.ingredient.repository;
+
+import com.kkobugi.puremarket.common.enums.IngredientType;
+import com.kkobugi.puremarket.ingredient.domain.entity.Ingredient;
+import com.kkobugi.puremarket.recipe.domain.entity.Recipe;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface IngredientRepository extends JpaRepository<Ingredient, Long> {
+    List<Ingredient> findByRecipeAndIngredientTypeAndStatusEqualsOrderByCreatedDateDesc(Recipe recipe, IngredientType ingredientType, String status);
+}

src/main/java/com/kkobugi/puremarket/recipe/application/RecipeService.java

@@ -1,20 +1,30 @@
 package com.kkobugi.puremarket.recipe.application;
 
 import com.kkobugi.puremarket.common.BaseException;
+import com.kkobugi.puremarket.ingredient.repository.IngredientRepository;
 import com.kkobugi.puremarket.recipe.domain.dto.RecipeListResponse;
+import com.kkobugi.puremarket.recipe.domain.dto.RecipeResponse;
+import com.kkobugi.puremarket.recipe.domain.entity.Recipe;
+import com.kkobugi.puremarket.recipe.repository.RecipeDescriptionRepository;
 import com.kkobugi.puremarket.recipe.repository.RecipeRepository;
+import com.kkobugi.puremarket.user.application.AuthService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
 
 import static com.kkobugi.puremarket.common.constants.Constant.ACTIVE;
-import static com.kkobugi.puremarket.common.enums.BaseResponseStatus.DATABASE_ERROR;
+import static com.kkobugi.puremarket.common.enums.BaseResponseStatus.*;
+import static com.kkobugi.puremarket.common.enums.IngredientType.INGREDIENT;
+import static com.kkobugi.puremarket.common.enums.IngredientType.SAUCE;
 
 @Service
 @RequiredArgsConstructor
 public class RecipeService {
     private final RecipeRepository recipeRepository;
+    private final AuthService authService;
+    private final IngredientRepository ingredientRepository;
+    private final RecipeDescriptionRepository recipeDescriptionRepository;
 
     // 레시피글 목록 조회
     public RecipeListResponse getRecipeList() throws BaseException {
@@ -34,4 +44,43 @@ public RecipeListResponse getRecipeList() throws BaseException {
             throw new BaseException(DATABASE_ERROR);
         }
     }
+
+    // 레시피글 상세 조회
+    public RecipeResponse getRecipe(Long recipeIdx) throws BaseException {
+        try {
+            Long userIdx = authService.getUserIdxFromToken();
+            Recipe recipe = recipeRepository.findById(recipeIdx).orElseThrow(() -> new BaseException(INVALID_RECIPE_IDX));
+
+            boolean isWriter = false;
+            if (userIdx != null && recipe.getUser() != null) {
+                isWriter = userIdx.equals(recipe.getUser().getUserIdx());
+            }
+
+            // 재료 리스트
+            List<RecipeResponse.IngredientDto> ingredientList = ingredientRepository.findByRecipeAndIngredientTypeAndStatusEqualsOrderByCreatedDateDesc(recipe, INGREDIENT, ACTIVE).stream()
+                    .map(ingredient -> new RecipeResponse.IngredientDto(
+                            ingredient.getName(),
+                            ingredient.getQuantity())).toList();
+
+            // 양념 리스트
+            List<RecipeResponse.SauceDto> sauceList = ingredientRepository.findByRecipeAndIngredientTypeAndStatusEqualsOrderByCreatedDateDesc(recipe, SAUCE, ACTIVE).stream()
+                    .map(sauce -> new RecipeResponse.SauceDto(
+                            sauce.getName(),
+                            sauce.getQuantity())).toList();
+
+            // 레시피 상세 리스트(조리 순서)
+            List<RecipeResponse.RecipeDescriptionDto> recipeDescriptionList = recipeDescriptionRepository.findByRecipeAndStatusEqualsOrderByCreatedDateDesc(recipe, ACTIVE).stream()
+                    .map(description -> new RecipeResponse.RecipeDescriptionDto(
+                            description.getOrderNumber(),
+                            description.getDescription())).toList();
+
+            return new RecipeResponse(recipe.getRecipeIdx(), recipe.getTitle(), recipe.getContent(), recipe.getRecipeImage(),
+                                        ingredientList, sauceList, recipeDescriptionList,
+                                            recipe.getUser().getNickname(), recipe.getUser().getContact(), recipe.getUser().getProfileImage(), isWriter);
+        } catch (BaseException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BaseException(DATABASE_ERROR);
+        }
+    }
 }

src/main/java/com/kkobugi/puremarket/recipe/domain/dto/RecipeResponse.java

@@ -0,0 +1,19 @@
+package com.kkobugi.puremarket.recipe.domain.dto;
+
+import java.util.List;
+
+public record RecipeResponse(Long recipeIdx,
+                             String title,
+                             String content,
+                             String recipeImage,
+                             List<IngredientDto> ingredientList,
+                             List<SauceDto> sauceList,
+                             List<RecipeDescriptionDto> recipeDescriptionList,
+                             String nickname,
+                             String contact,
+                             String profileImage,
+                             boolean isWriter) {
+    public record IngredientDto(String name, String quantity) {}
+    public record SauceDto(String name, String quantity) {}
+    public record RecipeDescriptionDto(Integer orderNumber, String description) {}
+}

src/main/java/com/kkobugi/puremarket/recipe/domain/entity/RecipeDescription.java

@@ -11,7 +11,7 @@
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @DynamicInsert
-public class RecipeDescription extends BaseEntity { // 레시피 상세
+public class RecipeDescription extends BaseEntity { // 레시피 상세(조리 순서)
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long recipeDescriptionIdx;

src/main/java/com/kkobugi/puremarket/recipe/presentation/RecipeController.java

@@ -7,6 +7,7 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -30,4 +31,14 @@ public BaseResponse<?> getRecipeList() {
             return new BaseResponse<>(e.getStatus());
         }
     }
+
+    // 레시피글 상세 조회
+    @GetMapping("/{recipeIdx}")
+    public BaseResponse<?> getRecipe(@PathVariable Long recipeIdx) {
+        try {
+            return new BaseResponse<>(recipeService.getRecipe(recipeIdx));
+        } catch (BaseException e) {
+            return new BaseResponse<>(e.getStatus());
+        }
+    }
 }

src/main/java/com/kkobugi/puremarket/recipe/repository/RecipeDescriptionRepository.java

@@ -0,0 +1,11 @@
+package com.kkobugi.puremarket.recipe.repository;
+
+import com.kkobugi.puremarket.recipe.domain.entity.Recipe;
+import com.kkobugi.puremarket.recipe.domain.entity.RecipeDescription;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface RecipeDescriptionRepository extends JpaRepository<RecipeDescription, Long> {
+    List<RecipeDescription> findByRecipeAndStatusEqualsOrderByCreatedDateDesc(Recipe recipe, String status);
+}