public async likeComment(commentId: number, user: User) {
    const commentEntity = await this.commentsRepository.findOne({
      id: commentId,
    });

    if (
      (await commentEntity.likedByUsers).some(
        existingUser => existingUser.id === user.id,
      )
    ) {
      return { responseMessage: 'Comment added to Liked' };
    }

    const usersLlikedComment = [...(await commentEntity.likedByUsers), user];

    commentEntity.likedByUsers = Promise.resolve(usersLlikedComment);
    commentEntity.likes = (await commentEntity.likedByUsers).length;

    this.commentsRepository.save(commentEntity);

    return { responseMessage: 'Comment added to Liked' };
  }

///////////////////////////////////////////////////////////////////////////////////////////////

  public async unlikeComment(commentId: number, user: User) {
    const commentEntity = await this.commentsRepository.findOne({
      id: commentId,
    });

    if (
      !(await commentEntity.likedByUsers).some(
        userFound => userFound.id === user.id,
      )
    ) {
      return { responseMessage: 'Comment removed from Liked' };
    }

    const usersLlikedComment = await commentEntity.likedByUsers;

    const usersWithoutCurrentUser = usersLlikedComment.filter(
      userLiked => userLiked.id !== user.id,
    );

    commentEntity.likedByUsers = Promise.resolve(usersWithoutCurrentUser);
    commentEntity.likes = (await commentEntity.likedByUsers).length;

    this.commentsRepository.save(commentEntity);

    return { responseMessage: 'Comment removed from Liked' };
  }