feat: 코스 상세 조회에서 작성자와 접속 유저 비교하는 필드 추가 (#154)

Author: funnysunny08

src/main/java/org/runnect/server/course/controller/CourseController.java

@@ -71,7 +71,7 @@ public ApiResponseDto<CourseGetByUserResponseDto> getPrivateCourseByUser(
     public ApiResponseDto<GetCourseDetailResponseDto> getCourseDetail(@UserId Long userId,
         @PathVariable Long courseId) {
         return ApiResponseDto.success(SuccessStatus.GET_COURSE_DETAIL_SUCCESS,
-            courseService.getCourseDetail(courseId));
+            courseService.getCourseDetail(courseId, userId));
     }
 
     @PatchMapping("/{courseId}")

src/main/java/org/runnect/server/course/dto/response/GetCourseDetailResponseDto.java

@@ -19,10 +19,10 @@ public class GetCourseDetailResponseDto {
     private UserResponseCourseDetail user;
     private CourseDetailResponse course;
 
-    public static GetCourseDetailResponseDto from(Course course) {
+    public static GetCourseDetailResponseDto of(Course course, Boolean isNowUser) {
         return new GetCourseDetailResponseDto(
             UserResponseCourseDetail.from(course.getRunnectUser()),
-            CourseDetailResponse.of(course)
+            CourseDetailResponse.of(course, isNowUser)
         );
     }
 
@@ -51,16 +51,18 @@ public static class CourseDetailResponse {
         private String image;
         private String title;
         private DepartureResponse departure;
+        private Boolean isNowUser;
 
-        public static CourseDetailResponse of(Course course) {
+        public static CourseDetailResponse of(Course course, Boolean isNowUser) {
             return new CourseDetailResponse(
                 course.getId(),
                 course.getCreatedAt(),
                 CoordinatePathConverter.pathConvertCoor(course.getPath()),
                 course.getDistance(),
                 course.getImage(),
                 course.getTitle(),
-                DepartureResponse.from(course)
+                DepartureResponse.from(course),
+                isNowUser
             );
         }
     }

src/main/java/org/runnect/server/course/service/CourseService.java

@@ -113,13 +113,17 @@ public CourseGetByUserResponseDto getPrivateCourseByUser(Long userId) {
     }
 
     @Transactional(readOnly = true)
-    public GetCourseDetailResponseDto getCourseDetail(Long courseId) {
+    public GetCourseDetailResponseDto getCourseDetail(Long courseId, Long userId) {
+        RunnectUser requestUser = userRepository.findById(userId)
+            .orElseThrow(() -> new NotFoundUserException(NOT_FOUND_USER_EXCEPTION,
+                NOT_FOUND_USER_EXCEPTION.getMessage()));
 
         Course course = courseRepository.findById(courseId)
             .orElseThrow(() -> new NotFoundException(NOT_FOUND_COURSE_EXCEPTION,
                 NOT_FOUND_COURSE_EXCEPTION.getMessage()));
+        RunnectUser uploader = course.getRunnectUser();
 
-        return GetCourseDetailResponseDto.from(course);
+        return GetCourseDetailResponseDto.of(course,uploader != null && uploader.equals(requestUser));
     }
 
     @Transactional