Fix/#170 chat

.gitignore

@@ -41,3 +41,5 @@ out/
 
 src/main/resources/firebase/
 #/src/main/java/com/campick/server/common/config/DataInitializer.java
+
+*/.DS_Store

src/main/java/com/campick/server/api/chat/controller/ChatImageController.java

@@ -0,0 +1,29 @@
+package com.campick.server.api.chat.controller;
+
+import com.campick.server.api.chat.dto.ChatImageReqDto;
+import com.campick.server.api.chat.dto.ChatImageResDto;
+import com.campick.server.api.product.service.ChatImageService;
+import com.campick.server.common.response.ApiResponse;
+import com.campick.server.common.response.SuccessStatus;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/chat/image")
+@RequiredArgsConstructor
+public class ChatImageController {
+    private final ChatImageService chatImageService;
+
+    @PostMapping(consumes = {"multipart/form-data"})
+    public ResponseEntity<ApiResponse<ChatImageResDto>> upload(@RequestPart("chatId") Long chatId,
+                                                               @RequestPart("file") MultipartFile file) {
+        String imageUrl = chatImageService.uploadImage(chatId, file);
+        ChatImageResDto chatImageResDto = ChatImageResDto.builder()
+                .chatImageUrl(imageUrl).build();
+        return ApiResponse.success(SuccessStatus.UPLOAD_CHAT_IMAGE_SUCCESS, chatImageResDto);
+    }
+}

src/main/java/com/campick/server/api/chat/dto/ChatImageReqDto.java

@@ -0,0 +1,12 @@
+package com.campick.server.api.chat.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class ChatImageReqDto {
+    private Long chatId;
+}

src/main/java/com/campick/server/api/chat/dto/ChatImageResDto.java

@@ -0,0 +1,13 @@
+package com.campick.server.api.chat.dto;
+
+import com.campick.server.api.product.dto.ProductImageResDto;
+import lombok.*;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class ChatImageResDto {
+    private String chatImageUrl;
+}

src/main/java/com/campick/server/api/chat/entity/ChatImage.java

@@ -0,0 +1,23 @@
+package com.campick.server.api.chat.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Table(name = "chat_image")
+@Getter @Setter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class ChatImage {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "chat_id", nullable = false)
+    private ChatRoom chatRoom;
+
+    @Column(name = "image_url", nullable = false)
+    private String imageUrl;
+}

src/main/java/com/campick/server/api/chat/repository/ChatImageRepository.java

@@ -0,0 +1,7 @@
+package com.campick.server.api.chat.repository;
+
+import com.campick.server.api.chat.entity.ChatImage;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ChatImageRepository extends JpaRepository<ChatImage, Long> {
+}

src/main/java/com/campick/server/api/product/service/ChatImageService.java

@@ -0,0 +1,22 @@
+package com.campick.server.api.product.service;
+
+import com.campick.server.api.chat.repository.ChatImageRepository;
+import com.campick.server.common.storage.FirebaseStorageService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.Map;
+
+@Service
+@RequiredArgsConstructor
+public class ChatImageService {
+    private final ChatImageRepository chatImageRepository;
+    private final FirebaseStorageService firebaseStorageService;
+
+    @Transactional
+    public String uploadImage(Long chatId, MultipartFile file) {
+        return firebaseStorageService.uploadChatImage(chatId, file);
+    }
+}

src/main/java/com/campick/server/common/response/SuccessStatus.java

@@ -68,6 +68,7 @@ public enum SuccessStatus {
     SEND_MY_CHATROOMS(HttpStatus.OK, "내 채팅방 조회 성공"),
     SEND_TOTAL_UNREAD_MSG(HttpStatus.OK, "총 안 읽은 메시지 수 조회 성공"),
     COMPLETE_CHAT(HttpStatus.OK, "채팅방 종료 완료"),
+    UPLOAD_CHAT_IMAGE_SUCCESS(HttpStatus.OK, "채팅방 내 이미지 업로드 성공"),
 
 
     /**

src/main/java/com/campick/server/common/storage/FirebaseStorageService.java

@@ -84,6 +84,22 @@ public Map<String, String> uploadProductImage(MultipartFile file) {
         }
     }
 
+    public String uploadChatImage(Long chatId, MultipartFile file) {
+        if (file == null || file.isEmpty())
+            throw new BadRequestException(ErrorStatus.EMPTY_FILE_EXCEPTION.getMessage());
+
+        try {
+            String ext = extractExtension(file.getOriginalFilename());
+            String objectName = String.format("chat/%d%s", chatId, ext);
+
+            StorageClient.getInstance().bucket().create(objectName, file.getBytes(), file.getContentType());
+
+            return String.format("%s/o/%s?alt=media",storageBaseUrl, urlEncode(objectName));
+        } catch (IOException e) {
+            throw new ImageUploadFailedException(ErrorStatus.IMAGE_UPLOAD_FAILED_EXCEPTION);
+        }
+    }
+
     private void uploadThumbnail(MultipartFile file, String objectName, int width, int height) throws IOException {
         ByteArrayOutputStream thumbnailOStream = new ByteArrayOutputStream();