feat: Lecture 이미지 등록 추가

backend/src/main/java/com/edufocus/edufocus/lecture/controller/LectureController.java

@@ -5,17 +5,19 @@ import com.edufocus.edufocus.lecture.entity.LectureCreateRequest;
 import com.edufocus.edufocus.lecture.entity.LectureSearchResponse;
 import com.edufocus.edufocus.lecture.entity.LectureDetailResponse;
 import com.edufocus.edufocus.lecture.service.LectureService;
-import com.edufocus.edufocus.user.model.entity.User;
-import com.edufocus.edufocus.user.model.service.UserService;
-import com.edufocus.edufocus.user.model.service.UserServiceImpl;
 import com.edufocus.edufocus.user.util.JWTUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
+import java.io.IOException;
 import java.util.List;
+import java.util.UUID;
 
 @RestController
 @RequestMapping("/lecture")
@@ -26,8 +28,9 @@ public class LectureController {
     private final LectureService lectureService;
     private final JWTUtil jwtUtil;
 
-    @PostMapping
+    @PostMapping(consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
-    public ResponseEntity<?> createLecture(@RequestHeader("Authorization") String accessToken, @RequestBody LectureCreateRequest lectureCreateRequest) {
+    public ResponseEntity<?> createLecture(@RequestHeader("Authorization") String accessToken, @RequestPart LectureCreateRequest lectureCreateRequest
+            , @RequestPart(value = "image", required = false) MultipartFile image) throws Exception {
         Long userId = Long.parseLong(jwtUtil.getUserId(accessToken));
 
         Lecture lecture = lectureService.findLectureByTitle(lectureCreateRequest.getTitle());
@@ -36,7 +39,8 @@ public class LectureController {
             return new ResponseEntity<>(msg, HttpStatus.CONFLICT);
         }
 
-        lectureService.createLecture(userId, lectureCreateRequest);
+        lectureService.createLecture(userId, lectureCreateRequest, image);
+
         String msg = new String("Lecture registered successfully");
         return new ResponseEntity<>(msg, HttpStatus.CREATED);
     }

backend/src/main/java/com/edufocus/edufocus/lecture/entity/LectureCreateRequest.java

@@ -15,8 +15,6 @@ public class LectureCreateRequest {
 
     private String description;
 
-    private String image;
-
     private Date startDate;
 
     private Date endDate;

backend/src/main/java/com/edufocus/edufocus/lecture/service/LectureService.java

@@ -5,6 +5,7 @@ import com.edufocus.edufocus.lecture.entity.LectureCreateRequest;
 import com.edufocus.edufocus.lecture.entity.LectureSearchResponse;
 import com.edufocus.edufocus.lecture.entity.LectureDetailResponse;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
@@ -12,7 +13,7 @@ import java.util.List;
 @Service
 public interface LectureService {
 
-    void createLecture(long userId, LectureCreateRequest lectureCreateRequest);
+    void createLecture(long userId, LectureCreateRequest lectureCreateRequest, MultipartFile image) throws Exception;
 
     boolean updateLecture(long userId, long lectureId, LectureCreateRequest lectureCreateRequest);
 

backend/src/main/java/com/edufocus/edufocus/lecture/service/LectureServiceImpl.java

@@ -11,11 +11,17 @@ import com.edufocus.edufocus.user.model.repository.UserRepository;
 import jakarta.transaction.Transactional;
 import lombok.Builder;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.UUID;
 
 @Builder
 @Service
@@ -30,19 +36,34 @@ public class LectureServiceImpl implements LectureService {
     private final RegistrationRepository registrationRepository;
 
     @Override
-    public void createLecture(long userId, LectureCreateRequest lectureCreateRequest) {
+    public void createLecture(long userId, LectureCreateRequest lectureCreateRequest, MultipartFile image) throws IOException {
         User user = userRepository.findById(userId).get();
 
         Lecture lecture = new Lecture().builder()
                 .user(user)
                 .title(lectureCreateRequest.getTitle())
                 .description(lectureCreateRequest.getDescription())
-                .image(lectureCreateRequest.getImage())
                 .startDate(lectureCreateRequest.getStartDate())
                 .endDate(lectureCreateRequest.getEndDate())
                 .plan(lectureCreateRequest.getPlan())
                 .build();
 
+        if (image != null && !image.isEmpty()) {
+            String uid = UUID.randomUUID().toString();
+
+            String currentPath = "backend/src/main/resources/images/";
+            File checkPathFile = new File(currentPath);
+            if (!checkPathFile.exists()) {
+                checkPathFile.mkdirs();
+            }
+
+            File savingImage = new File(currentPath + uid + "_" + image.getOriginalFilename());
+            image.transferTo(savingImage.toPath());
+            String savePath = savingImage.toPath().toString();
+
+            lecture.setImage(savePath);
+        }
+
         lectureRepository.save(lecture);
     }
 
@@ -60,9 +81,6 @@ public class LectureServiceImpl implements LectureService {
         if (lectureCreateRequest.getDescription() != null) {
             lecture.setDescription(lectureCreateRequest.getDescription());
         }
-        if (lectureCreateRequest.getImage() != null) {
-            lecture.setImage(lectureCreateRequest.getImage());
-        }
         if (lectureCreateRequest.getStartDate() != null) {
             lecture.setStartDate(lectureCreateRequest.getStartDate());
         }