[Refactor] todolist 관련 기능들 리팩토링

src/main/java/com/jiyunio/todolist/domain/todo/TodoService.java

@@ -0,0 +1,132 @@
+package com.jiyunio.todolist.domain.todo;
+
+import com.jiyunio.todolist.domain.category.Category;
+import com.jiyunio.todolist.domain.category.CategoryRepository;
+import com.jiyunio.todolist.domain.category.dto.CategoryRes;
+import com.jiyunio.todolist.domain.member.Member;
+import com.jiyunio.todolist.domain.member.MemberRepository;
+import com.jiyunio.todolist.domain.todo.domain.Todo;
+import com.jiyunio.todolist.domain.todo.domain.TodoList;
+import com.jiyunio.todolist.domain.todo.dto.CreateTodoReq;
+import com.jiyunio.todolist.domain.todo.dto.TodoListRes;
+import com.jiyunio.todolist.domain.todo.dto.TodoRes;
+import com.jiyunio.todolist.domain.todo.dto.UpdateTodoReq;
+import com.jiyunio.todolist.global.customError.CustomException;
+import com.jiyunio.todolist.global.customError.ErrorCode;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Service
+@RequiredArgsConstructor
+public class TodoService {
+    private final MemberRepository memberRepository;
+    private final TodoRepository todoRepository;
+    private final TodoListRepository todoListRepository;
+    private final CategoryRepository categoryRepository;
+
+    public TodoRes createTodo(String userId, CreateTodoReq createTodo) {
+        Member member = memberRepository.findByUserId(userId).orElseThrow(
+                // 회원 존재 안함
+                () -> new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_MEMBER)
+        );
+        Category category = categoryRepository.findById(createTodo.getCategoryId()).orElseThrow(
+                // 카테고리 없음
+                () -> new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_CATEGORY)
+        );
+
+        Todo todo = Todo.builder()
+                .content(createTodo.getContent())
+                .checked(false)
+                .categoryId(category.getId())
+                .categoryContent(category.getContent())
+                .categoryColor(category.getColor())
+                .build();
+
+
+        TodoList todoList = todoListRepository.findByUserIdAndTodoListDate(member.getUserId(), createTodo.getSetDate()).orElseThrow(
+                () -> new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_TODOLIST)
+        );
+
+        todoList.getTodos().add(todo);
+
+        return TodoRes.from(todo);
+    }
+
+    public TodoListRes createTodoList(String userId, LocalDate todoListDate) {
+        Member member = memberRepository.findByUserId(userId).orElseThrow(
+                // 회원 존재 안함
+                () -> new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_MEMBER)
+        );
+
+        TodoList todoList = TodoList.builder()
+                .userId(member.getUserId())
+                .todoListDate(todoListDate)
+                .isToday(checkToday(todoListDate))
+                .todos(new ArrayList<>())
+                .build();
+
+        todoListRepository.save(todoList);
+        return TodoListRes.from(todoList);
+    }
+
+    public List<TodoListRes> getTodos(String userId) {
+        List<TodoList> todoList = todoListRepository.findAllByUserId(userId);
+        if (todoList == null) {
+            throw new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_MEMBER);
+        }
+
+        return new ArrayList<>(todoList.stream()
+                .map(TodoListRes::from).toList());
+    }
+
+    public TodoRes updateTodo(Long todoId, UpdateTodoReq updateTodo) {
+        Todo todo = todoRepository.findById(todoId).orElseThrow(
+                () -> new CustomException(HttpStatus.NOT_FOUND, ErrorCode.NOT_EXIST_TODO)
+
+        );
+        Category category = categoryRepository.findById(updateTodo.getCategoryId()).get();
+        todo.updateTodo(updateTodo);
+        todo.updateCategory(CategoryRes.builder()
+                .categoryId(category.getId())
+                .color(category.getColor())
+                .content(category.getContent())
+                .build());
+
+        return TodoRes.from(todo);
+    }
+
+    public void updateCategory(CategoryRes categoryDTO) {
+        List<Todo> todoList = todoRepository.findByCategoryId(categoryDTO.getCategoryId());
+        if (todoList.isEmpty()) {
+            return;
+        }
+        for (Todo todo : todoList) {
+            // 변경된 카테고리와 관련된 todo의 cateory도 같이 변경
+            todo.updateCategory(categoryDTO);
+            todoRepository.save(todo);
+        }
+    }
+
+    public void deleteTodo(Long todoId) {
+        todoRepository.deleteById(todoId);
+    }
+
+    public void deleteTodoList(Long todoListId) {
+        todoListRepository.deleteById(todoListId);
+    }
+
+    public void deleteAllTodo(String userId) {
+        todoListRepository.deleteAllByUserId(userId);
+    }
+
+    public boolean checkToday(LocalDate localDate) {
+        LocalDate today = LocalDate.now();
+        return Objects.equals(today, localDate);
+    }
+}

src/main/java/com/jiyunio/todolist/global/config/WebConfig.java

@@ -1,4 +1,4 @@
-package com.jiyunio.todolist.config;
+package com.jiyunio.todolist.global.config;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;