public async Task <PagedResults <MessageResponse> > GetChannelMessagesAsync(MessageRequest request)
{
var member = await UnitOfWork.MemberRepository.GetMemberBySaasUserIdAsync(request.SaasUserId);
Ensure.That(member).WithException(x => new NotFoundException(new ErrorDto(ErrorCode.NotFound, "Member does not exist."))).IsNotNull();
var lastReadMessage = await UnitOfWork.MessageRepository.GetLastReadMessageAsync(member.Id, request.ChannelId);
var messages = await UnitOfWork.MessageRepository.GetAllChannelMessagesAsync(request.ChannelId);
return(PageUtil.CreatePagedResults(messages, request.Page, request.PageSize, x => x.ToMessageResponse(lastReadMessage, _cloudStorageConfiguration)));
}