Fix/recipe update id null error

src/main/java/com/recipe/app/src/recipe/application/RecipeService.java

@@ -4,6 +4,8 @@
 import com.recipe.app.src.common.utils.BadWordFiltering;
 import com.recipe.app.src.recipe.application.dto.RecipeRequest;
 import com.recipe.app.src.recipe.domain.Recipe;
+import com.recipe.app.src.recipe.domain.RecipeIngredient;
+import com.recipe.app.src.recipe.domain.RecipeProcess;
 import com.recipe.app.src.recipe.exception.NotFoundRecipeException;
 import com.recipe.app.src.recipe.infra.RecipeRepository;
 import com.recipe.app.src.user.domain.User;
@@ -40,6 +42,15 @@ public void create(User user, RecipeRequest request) {
         badWordFiltering.check(request.getTitle());
         badWordFiltering.check(request.getIntroduction());
 
+        Recipe recipe = request.toRecipeEntity(user.getUserId());
+        List<RecipeIngredient> recipeIngredients = request.getIngredients().stream()
+                .map(ingredient -> ingredient.toEntity(recipe))
+                .toList();
+        List<RecipeProcess> recipeProcesses = request.getProcesses().stream()
+                .map(process -> process.toEntity(recipe))
+                .toList();
+
+
         recipeRepository.save(request.toRecipeEntity(user.getUserId()));
     }
 

src/main/java/com/recipe/app/src/recipe/application/dto/RecipeRequest.java

@@ -57,8 +57,12 @@ public Recipe toRecipeEntity(Long userId) {
                 .userId(userId)
                 .build();
 
-        ingredients.forEach(ingredient -> ingredient.toEntity(recipe));
-        processes.forEach(process -> process.toEntity(recipe));
+        if (ingredients != null) {
+            ingredients.forEach(ingredient -> ingredient.toEntity(recipe));
+        }
+        if (processes != null) {
+            processes.forEach(process -> process.toEntity(recipe));
+        }
 
         return recipe;
     }

src/main/java/com/recipe/app/src/recipe/domain/Recipe.java

@@ -106,11 +106,26 @@ public void updateRecipe(Recipe updateRecipe) {
         this.imgUrl = updateRecipe.imgUrl;
         this.hiddenYn = updateRecipe.hiddenYn;
 
-        ingredients.forEach(RecipeIngredient::delete);
-        this.ingredients = updateRecipe.ingredients;
-
-        processes.forEach(RecipeProcess::delete);
-        this.processes = updateRecipe.processes;
+        ingredients.clear();
+
+        if (updateRecipe.ingredients != null && !updateRecipe.ingredients.isEmpty()) {
+            updateRecipe.ingredients.forEach(ing -> {
+                ing.setRecipe(this);  // 부모 Recipe 변경
+                ingredients.add(ing);
+            });
+            updateRecipe.ingredients.clear();  // updateRecipe에서는 제거
+        }
+
+        processes.clear();
+
+        // 새 요리 과정 추가
+        if (updateRecipe.processes != null && !updateRecipe.processes.isEmpty()) {
+            updateRecipe.processes.forEach(proc -> {
+                proc.setRecipe(this);  // 부모 Recipe 변경
+                processes.add(proc);
+            });
+            updateRecipe.processes.clear();  // updateRecipe에서는 제거
+        }
     }
 
     public boolean isHidden() {

src/main/java/com/recipe/app/src/recipe/domain/RecipeIngredient.java

@@ -53,15 +53,17 @@ public RecipeIngredient(Long recipeIngredientId, Recipe recipe, String ingredien
 
         this.recipeIngredientId = recipeIngredientId;
         this.recipe = recipe;
-        recipe.ingredients.add(this);
+        if (recipe != null) {
+            recipe.ingredients.add(this);
+        }
         this.ingredientName = ingredientName;
         this.ingredientIconId = ingredientIconId;
         this.quantity = quantity;
         this.unit = unit;
     }
 
-    public void delete() {
-        this.recipe = null;
+    void setRecipe(Recipe recipe) {
+        this.recipe = recipe;
     }
 
     public boolean hasInFridge(List<String> ingredientNames) {

src/main/java/com/recipe/app/src/recipe/domain/RecipeProcess.java

@@ -51,13 +51,15 @@ public RecipeProcess(Long recipeProcessId, Recipe recipe, Integer cookingNo, Str
 
         this.recipeProcessId = recipeProcessId;
         this.recipe = recipe;
-        recipe.processes.add(this);
+        if (recipe != null) {
+            recipe.processes.add(this);
+        }
         this.cookingNo = cookingNo;
         this.cookingDescription = cookingDescription;
         this.recipeProcessImgUrl = recipeProcessImgUrl;
     }
 
-    public void delete() {
-        this.recipe = null;
+    void setRecipe(Recipe recipe) {
+        this.recipe = recipe;
     }
 }

src/test/groovy/com/recipe/app/src/recipe/domain/RecipeIngredientTest.groovy

@@ -71,33 +71,6 @@ class RecipeIngredientTest extends Specification {
         null           || "레시피 재료명을 입력해주세요."
     }
 
-    def "레시피 재료 삭제"() {
-
-        given:
-        Recipe recipe = Recipe.builder()
-                .recipeNm("제목")
-                .introduction("설명")
-                .level(RecipeLevel.NORMAL)
-                .userId(1L)
-                .isHidden(false)
-                .build()
-
-        RecipeIngredient ingredient = RecipeIngredient.builder()
-                .recipeIngredientId(1L)
-                .recipe(recipe)
-                .ingredientName("재료")
-                .ingredientIconId(1L)
-                .quantity("1")
-                .unit("개")
-                .build()
-
-        when:
-        ingredient.delete()
-
-        then:
-        ingredient.recipe == null
-    }
-
     def "이름이 일치하는 레시피 재료가 냉장고 존재하는지 확인"() {
 
         given:

src/test/groovy/com/recipe/app/src/recipe/domain/RecipeProcessTest.groovy

@@ -89,29 +89,4 @@ class RecipeProcessTest extends Specification {
         ""                 || "레시피 요리 과정 설명을 입력해주세요."
         null               || "레시피 요리 과정 설명을 입력해주세요."
     }
-
-    def "레시피 과정 삭제"() {
-
-        given:
-        Recipe recipe = Recipe.builder()
-                .recipeNm("제목")
-                .introduction("설명")
-                .level(RecipeLevel.NORMAL)
-                .userId(1L)
-                .isHidden(false)
-                .build()
-
-        RecipeProcess process = RecipeProcess.builder()
-                .recipe(recipe)
-                .cookingNo(1)
-                .cookingDescription("과정")
-                .recipeProcessImgUrl("")
-                .build()
-
-        when:
-        process.delete()
-
-        then:
-        process.recipe == null
-    }
 }