public async Task <BaseResponse <BoostUserResponse> > Handle(BoostUserCommand request, CancellationToken cancellationToken) { var user = await _applicationDbContext.Users.FirstOrDefaultAsync(usr => usr.Id == request.BoostUserRequest.UserId, cancellationToken); var response = new BaseResponse <BoostUserResponse>(); if (user == null) { response.SetValidationErrors(new [] { "User does not exists" }); return(response); } var message = _broker.CreateMessage(user); _broker.Publish(message, "boost-user"); var boostUserResponse = new BoostUserResponse("User has been queued to be Boosted"); response.SetIsOk(boostUserResponse); return(response); }