[Feat] 사용자 피드백 등록 API 개발 (#78)

* feat: feedback 엔티티 추가 (#77)

* feat: 피드백 등록 요청 dto 추가 (#77)

* feat: feedback 리포지토리 추가 (#77)

* feat: 피드백 등록 서비스 구현 (#77)

* feat: 피드백 등록 컨트롤러 구현 (#77)

* feat: 피드백 본문 유효성 검사 추가 (#77)

Author: soonge2

src/main/java/com/moa/moa_server/domain/feedback/controller/FeedbackController.java

@@ -0,0 +1,31 @@
+package com.moa.moa_server.domain.feedback.controller;
+
+import com.moa.moa_server.domain.feedback.dto.request.FeedbackCreateRequest;
+import com.moa.moa_server.domain.feedback.service.FeedbackService;
+import com.moa.moa_server.domain.global.dto.ApiResponse;
+import lombok.RequiredArgsConstructor;
+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;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/v1/user-feedback")
+public class FeedbackController {
+
+    private final FeedbackService feedbackService;
+
+    @PostMapping
+    public ResponseEntity<ApiResponse> createFeedback(
+            @AuthenticationPrincipal Long userId,
+            @RequestBody FeedbackCreateRequest request
+    ) {
+        feedbackService.createFeedback(userId, request);
+        return ResponseEntity
+                .status(201)
+                .body(new ApiResponse("SUCCESS", null));
+    }
+}

src/main/java/com/moa/moa_server/domain/feedback/dto/request/FeedbackCreateRequest.java

@@ -0,0 +1,5 @@
+package com.moa.moa_server.domain.feedback.dto.request;
+
+public record FeedbackCreateRequest (
+        String content
+) {}

src/main/java/com/moa/moa_server/domain/feedback/entity/Feedback.java

@@ -0,0 +1,33 @@
+package com.moa.moa_server.domain.feedback.entity;
+
+import com.moa.moa_server.domain.global.entity.BaseTimeEntity;
+import com.moa.moa_server.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Feedback extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    private User user;
+
+    @Column(length = 500, nullable = false)
+    private String content;
+
+    public static Feedback create(User user, String content) {
+        return Feedback.builder()
+                .user(user)
+                .content(content)
+                .build();
+    }
+}

src/main/java/com/moa/moa_server/domain/feedback/handler/FeedbackErrorCode.java

@@ -0,0 +1,15 @@
+package com.moa.moa_server.domain.feedback.handler;
+
+import com.moa.moa_server.domain.global.exception.BaseErrorCode;
+import org.springframework.http.HttpStatus;
+
+public enum FeedbackErrorCode implements BaseErrorCode {
+    INVALID_INPUT(HttpStatus.BAD_REQUEST);
+
+    private final HttpStatus status;
+
+    FeedbackErrorCode(HttpStatus status) { this.status = status; }
+
+    public HttpStatus getStatus() { return status; }
+
+}

src/main/java/com/moa/moa_server/domain/feedback/handler/FeedbackException.java

@@ -0,0 +1,8 @@
+package com.moa.moa_server.domain.feedback.handler;
+
+import com.moa.moa_server.domain.global.exception.BaseErrorCode;
+import com.moa.moa_server.domain.global.exception.BaseException;
+
+public class FeedbackException extends BaseException {
+    public FeedbackException(BaseErrorCode errorCode) { super(errorCode); }
+}

src/main/java/com/moa/moa_server/domain/feedback/repository/FeedbackRepository.java

@@ -0,0 +1,7 @@
+package com.moa.moa_server.domain.feedback.repository;
+
+import com.moa.moa_server.domain.feedback.entity.Feedback;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FeedbackRepository extends JpaRepository<Feedback, Long> {
+}

src/main/java/com/moa/moa_server/domain/feedback/service/FeedbackService.java

@@ -0,0 +1,37 @@
+package com.moa.moa_server.domain.feedback.service;
+
+import com.moa.moa_server.domain.feedback.dto.request.FeedbackCreateRequest;
+import com.moa.moa_server.domain.feedback.entity.Feedback;
+import com.moa.moa_server.domain.feedback.repository.FeedbackRepository;
+import com.moa.moa_server.domain.feedback.util.FeedbackValidator;
+import com.moa.moa_server.domain.user.entity.User;
+import com.moa.moa_server.domain.user.handler.UserErrorCode;
+import com.moa.moa_server.domain.user.handler.UserException;
+import com.moa.moa_server.domain.user.repository.UserRepository;
+import com.moa.moa_server.domain.user.util.AuthUserValidator;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class FeedbackService {
+
+    private final FeedbackRepository feedbackRepository;
+    private final UserRepository userRepository;
+
+    @Transactional
+    public void createFeedback(Long userId, FeedbackCreateRequest request) {
+        // 유저 조회 및 검증
+        User user = userRepository.findById(userId)
+                .orElseThrow(() -> new UserException(UserErrorCode.USER_NOT_FOUND));
+        AuthUserValidator.validateActive(user);
+
+        //
+        FeedbackValidator.validateContent(request.content());
+
+        Feedback feedback = Feedback.create(user, request.content());
+
+        feedbackRepository.save(feedback);
+    }
+}

src/main/java/com/moa/moa_server/domain/feedback/util/FeedbackValidator.java

@@ -0,0 +1,13 @@
+package com.moa.moa_server.domain.feedback.util;
+
+import com.moa.moa_server.domain.feedback.handler.FeedbackErrorCode;
+import com.moa.moa_server.domain.feedback.handler.FeedbackException;
+
+public class FeedbackValidator {
+
+    public static void validateContent(String content){
+        if (content == null || content.isBlank() || content.length() > 500 || content.length() < 2) {
+            throw new FeedbackException(FeedbackErrorCode.INVALID_INPUT);
+        }
+    }
+}