[Feat] #30 - Task POST API 개발

src/main/java/org/moonshot/server/domain/keyResult/dto/request/KeyResultCreateRequestInfoDto.java

@@ -5,8 +5,8 @@
 import jakarta.validation.constraints.Size;
 import java.time.LocalDateTime;
 import java.util.List;
+import org.moonshot.server.domain.task.dto.request.TaskCreateRequestDto;
 import org.hibernate.validator.constraints.Range;
-import org.moonshot.server.domain.objective.dto.request.TaskCreateRequestDto;
 import org.moonshot.server.global.common.model.validator.ValidTargetNumber;
 import org.springframework.format.annotation.DateTimeFormat;
 

src/main/java/org/moonshot/server/domain/keyResult/exception/KeyResultInvalidPositionException.java

@@ -4,7 +4,9 @@
 import org.moonshot.server.global.common.response.ErrorType;
 
 public class KeyResultInvalidPositionException extends MoonshotException {
+
     public KeyResultInvalidPositionException() {
         super(ErrorType.INVALID_KEY_RESULT_ORDER);
     }
+
 }

src/main/java/org/moonshot/server/domain/keyResult/exception/KeyResultNumberExceededException.java

@@ -4,7 +4,9 @@
 import org.moonshot.server.global.common.response.ErrorType;
 
 public class KeyResultNumberExceededException extends MoonshotException {
+
     public KeyResultNumberExceededException() {
-        super(ErrorType.KEY_RESULT_NUMBER_EXCEEDED);
+        super(ErrorType.ACTIVE_KEY_RESULT_NUMBER_EXCEEDED);
     }
+
 }

src/main/java/org/moonshot/server/domain/keyResult/repository/KeyResultRepository.java

@@ -17,4 +17,7 @@ public interface KeyResultRepository extends JpaRepository<KeyResult, Long> {
     @Query("select kr from KeyResult kr join fetch kr.objective where kr.id = :keyResultId")
     Optional<KeyResult> findKeyResultAndObjective(@Param("keyResultId") Long keyResultId);
 
+    @Query("select kr from KeyResult kr join fetch kr.objective where kr.id = :keyResultId")
+    Optional<KeyResult> findKeyResultAndObjective(@Param("keyResultId") Long keyResultId);
+
 }

src/main/java/org/moonshot/server/domain/objective/dto/request/KRCreateRequestDto.java

@@ -5,6 +5,7 @@
 import jakarta.validation.constraints.Size;
 import java.time.LocalDateTime;
 import java.util.List;
+import org.moonshot.server.domain.task.dto.request.TaskCreateRequestDto;
 import org.moonshot.server.global.common.model.validator.ValidTargetNumber;
 import org.springframework.format.annotation.DateTimeFormat;
 

src/main/java/org/moonshot/server/domain/task/controller/TaskController.java

@@ -0,0 +1,28 @@
+package org.moonshot.server.domain.task.controller;
+
+import static org.moonshot.server.global.common.response.SuccessType.*;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.moonshot.server.domain.task.dto.request.TaskSingleCreateRequestDto;
+import org.moonshot.server.domain.task.service.TaskService;
+import org.moonshot.server.global.common.response.ApiResponse;
+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;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/v1/task")
+public class TaskController {
+
+    private final TaskService taskService;
+
+    @PostMapping
+    public ApiResponse<?> createTask(@RequestBody @Valid TaskSingleCreateRequestDto request) {
+        taskService.createTask(request);
+        return ApiResponse.success(POST_TASK_SUCCESS);
+    }
+
+}

src/main/java/org/moonshot/server/domain/objective/dto/request/TaskCreateRequestDto.java → src/main/java/org/moonshot/server/domain/task/dto/request/TaskCreateRequestDto.java

@@ -1,4 +1,4 @@
-package org.moonshot.server.domain.objective.dto.request;
+package org.moonshot.server.domain.task.dto.request;
 
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;

src/main/java/org/moonshot/server/domain/task/dto/request/TaskSingleCreateRequestDto.java

@@ -0,0 +1,16 @@
+package org.moonshot.server.domain.task.dto.request;
+
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+import org.hibernate.validator.constraints.Range;
+
+public record TaskSingleCreateRequestDto(
+        @NotNull(message = "KR이 생성될 KeyResult Id를 입력해주세요.")
+        Long keyResultId,
+        @Size(min = 1, max = 30, message = "Task는 30자 이하여야 합니다.")
+        String title,
+        @NotNull(message = "KR 순서를 입력해주세요")
+        @Range(min = 0, max = 2, message = "KeyResult의 순서는 0부터 2까지로 설정할 수 있습니다.")
+        Short idx
+) {
+}

src/main/java/org/moonshot/server/domain/task/exception/TaskInvalidPositionException.java

@@ -0,0 +1,12 @@
+package org.moonshot.server.domain.task.exception;
+
+import org.moonshot.server.global.common.exception.MoonshotException;
+import org.moonshot.server.global.common.response.ErrorType;
+
+public class TaskInvalidPositionException extends MoonshotException {
+
+    public TaskInvalidPositionException() {
+        super(ErrorType.INVALID_TASK_ORDER);
+    }
+
+}

src/main/java/org/moonshot/server/domain/task/exception/TaskNumberExceededException.java

@@ -0,0 +1,12 @@
+package org.moonshot.server.domain.task.exception;
+
+import org.moonshot.server.global.common.exception.MoonshotException;
+import org.moonshot.server.global.common.response.ErrorType;
+
+public class TaskNumberExceededException extends MoonshotException {
+
+    public TaskNumberExceededException() {
+        super(ErrorType.ACTIVE_TASK_NUMBER_EXCEEDED);
+    }
+
+}

src/main/java/org/moonshot/server/domain/task/repository/TaskRepository.java

@@ -8,5 +8,6 @@
 public interface TaskRepository extends JpaRepository<Task, Long> {
 
     List<Task> findAllByKeyResult(KeyResult keyResult);
+    List<Task> findAllByKeyResultOrderByIdx(KeyResult keyResult);
 
 }

src/main/java/org/moonshot/server/domain/task/service/TaskService.java

@@ -0,0 +1,48 @@
+package org.moonshot.server.domain.task.service;
+
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.moonshot.server.domain.keyresult.exception.KeyResultInvalidPositionException;
+import org.moonshot.server.domain.keyresult.model.KeyResult;
+import org.moonshot.server.domain.keyresult.repository.KeyResultRepository;
+import org.moonshot.server.domain.task.dto.request.TaskSingleCreateRequestDto;
+import org.moonshot.server.domain.task.exception.TaskNumberExceededException;
+import org.moonshot.server.domain.task.model.Task;
+import org.moonshot.server.domain.task.repository.TaskRepository;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class TaskService {
+
+    private static final int ACTIVE_TASK_NUMBER = 3;
+
+    private final KeyResultRepository keyResultRepository;
+    private final TaskRepository taskRepository;
+
+    @Transactional
+    public void createTask(TaskSingleCreateRequestDto request) {
+        KeyResult keyResult = keyResultRepository.findKeyResultAndObjective(request.keyResultId())
+                .orElseThrow();
+        List<Task> taskList = taskRepository.findAllByKeyResultOrderByIdx(keyResult);
+
+        if (taskList.size() >= ACTIVE_TASK_NUMBER) {
+            throw new TaskNumberExceededException();
+        }
+        if (request.idx() > taskList.size()) {
+            throw new KeyResultInvalidPositionException();
+        }
+
+        for (short i = request.idx(); i < taskList.size(); i++) {
+            taskList.get(i).incrementIdx();
+        }
+        taskRepository.save(Task.builder()
+                .title(request.title())
+                .idx(request.idx())
+                .keyResult(keyResult)
+                .build());
+    }
+
+}

src/main/java/org/moonshot/server/global/common/response/ErrorType.java

@@ -20,8 +20,10 @@ public enum ErrorType {
     INVALID_HTTP_METHOD(HttpStatus.BAD_REQUEST, "지원되지 않는 HTTP method 요청입니다."),
     INVALID_IMAGE_EXTENSION(HttpStatus.BAD_REQUEST, "지원하지 않는 이미지 확장자입니다."),
     ACTIVE_OBJECTIVE_NUMBER_EXCEEDED(HttpStatus.BAD_REQUEST, "허용된 Objective 개수를 초과하였습니다"),
-    KEY_RESULT_NUMBER_EXCEEDED(HttpStatus.BAD_REQUEST, "허용된 Objective 개수를 초과하였습니다"),
+    ACTIVE_KEY_RESULT_NUMBER_EXCEEDED(HttpStatus.BAD_REQUEST, "허용된 Key Result 개수를 초과하였습니다"),
+    ACTIVE_TASK_NUMBER_EXCEEDED(HttpStatus.BAD_REQUEST, "허용된 Task 개수를 초과하였습니다."),
     INVALID_KEY_RESULT_ORDER(HttpStatus.BAD_REQUEST, "정상적이지 않은 KeyResult 위치입니다."),
+    INVALID_TASK_ORDER(HttpStatus.BAD_REQUEST, "정상적이지 않은 Task 위치입니다."),
 
     /**
      * 404 NOT FOUND

src/main/java/org/moonshot/server/global/common/response/SuccessType.java

@@ -21,6 +21,7 @@ public enum SuccessType {
     POST_NOTIFY_IMAGE_SAVE_SUCCESS(HttpStatus.CREATED, "Presigned Url을 통해 이미지 생성을 성공하였습니다."),
     POST_OKR_SUCCESS(HttpStatus.CREATED, "O-KR을 생성을 성공하였습니다."),
     POST_KEY_RESULT_SUCCESS(HttpStatus.CREATED, "KeyResult 생성을 성공하였습니다."),
+    POST_TASK_SUCCESS(HttpStatus.CREATED, "Task 생성을 성공하였습니다."),
 
     /**
      * 204 NO CONTENT

src/main/java/org/moonshot/server/global/config/SecurityConfig.java

@@ -25,6 +25,7 @@ public class SecurityConfig {
             "/actuator/health",
             "/v1/image",
             "/v1/objective",
+            "/v1/task",
             "/v1/key-result",
             "/error",
             "/swagger-ui/**",