feat: 조회 기능

Author: KSH0326

src/main/java/com/back/domain/study/todo/controller/TodoController.java

@@ -9,12 +9,13 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDate;
+import java.util.List;
 
 @RestController
 @RequiredArgsConstructor
@@ -23,6 +24,7 @@
 public class TodoController {
     private final TodoService todoService;
 
+    // ==================== 생성 ===================
     @PostMapping
     @Operation(summary = "할 일 생성", description = "새로운 할 일을 생성합니다.")
     public ResponseEntity<RsData<TodoResponseDto>> createTodo(
@@ -33,4 +35,32 @@ public ResponseEntity<RsData<TodoResponseDto>> createTodo(
         return ResponseEntity.ok(RsData.success("할 일이 생성되었습니다.", response));
     }
 
+    // ==================== 조회 ===================
+    // 특정 날짜 조회
+    @GetMapping
+    @Operation(summary = "할 일 목록 조회", description = "조건에 따라 할 일 목록을 조회합니다. " +
+            "date만 제공시 해당 날짜, startDate와 endDate 제공시 기간별, 아무것도 없으면 전체 조회")
+    public ResponseEntity<RsData<List<TodoResponseDto>>> getTodos(
+            @AuthenticationPrincipal CustomUserDetails userDetails,
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate date
+    ) {
+        List<TodoResponseDto> response = todoService.getTodosByDate(userDetails.getUserId(), date);
+
+        return ResponseEntity.ok(RsData.success("할 일 목록을 조회했습니다.", response));
+    }
+
+    // 사용자의 모든 할 일 조회
+    @GetMapping("/all")
+    @Operation(summary = "모든 할 일 조회", description = "사용자의 모든 할 일을 조회합니다.")
+    public ResponseEntity<RsData<List<TodoResponseDto>>> getAllTodos(
+            @AuthenticationPrincipal CustomUserDetails userDetails
+    ) {
+        List<TodoResponseDto> response = todoService.getAllTodos(userDetails.getUserId());
+        return ResponseEntity.ok(RsData.success("모든 할 일을 조회했습니다.", response));
+    }
+
+    // ==================== 수정 ===================
+
+    // ==================== 삭제 ===================
+
 }

src/main/java/com/back/domain/study/todo/repository/TodoRepository.java

@@ -1,9 +1,15 @@
 package com.back.domain.study.todo.repository;
 
 import com.back.domain.study.todo.entity.Todo;
+import com.back.domain.user.entity.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.time.LocalDate;
+import java.util.List;
+
 @Repository
 public interface TodoRepository extends JpaRepository<Todo, Long> {
+    List<Todo> findByUserIdAndDate(Long userId, LocalDate date);
+    List<Todo> findByUserId(Long userId);
 }

src/main/java/com/back/domain/study/todo/service/TodoService.java

@@ -14,6 +14,10 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDate;
+import java.util.List;
+import java.util.stream.Collectors;
+
 @Service
 @RequiredArgsConstructor
 @Transactional(readOnly = true)
@@ -36,7 +40,20 @@ public TodoResponseDto createTodo(Long userId, TodoRequestDto request) {
     }
 
     // ==================== 조회 ===================
-
+    // 유저의 특정 날짜의 모든 할 일 조회
+    public List<TodoResponseDto> getTodosByDate(Long userId, LocalDate date) {
+        List<Todo> todos = todoRepository.findByUserIdAndDate(userId, date);
+        return todos.stream()
+                .map(TodoResponseDto::from)
+                .collect(Collectors.toList());
+    }
+    // 유저의 전체 할 일 조회
+    public List<TodoResponseDto> getAllTodos(Long userId) {
+        List<Todo> todos = todoRepository.findByUserId(userId);
+        return todos.stream()
+                .map(TodoResponseDto::from)
+                .collect(Collectors.toList());
+    }
     // ==================== 수정 ===================
 
     // ==================== 삭제 ===================