Исправлена ошибка с маппингом комментариев

Author: danya1705

src/main/java/ru/skypro/homework/mapper/CommentMapper.java

@@ -10,6 +10,8 @@
 import ru.skypro.homework.entity.Image;
 import ru.skypro.homework.entity.User;
 
+import java.util.Objects;
+
 @Mapper(componentModel = "spring", injectionStrategy = InjectionStrategy.CONSTRUCTOR)
 public interface CommentMapper {
 
@@ -27,9 +29,10 @@ default CommentDto toDto(Comment comment) {
 
         CommentDto commentDto = new CommentDto();
         commentDto.setPk(comment.getCommentId());
-        commentDto.setCreatedAt(comment.getCreatedAt());
         commentDto.setText(comment.getText());
 
+        commentDto.setCreatedAt(Objects.requireNonNullElse(comment.getCreatedAt(), 0L));
+
         User author = comment.getAuthor();
         if (author != null) {