public async Task <Result <SurveyModel, Error> > Handle(CreateSurveyCommand request,
CancellationToken cancellationToken)
{
try
{
var userInfo = await _userService.GetUserInfo(cancellationToken);
var surveyOwner =
await _surveyContext.Users.FirstAsync(user => user.ExternalUserId == userInfo.Id,
cancellationToken);
var survey = new Survey(surveyOwner, NonEmptyString.Create(request.SurveyTopic),
request.NumberOfRespondents, NonEmptyString.Create(request.RespondentType));
survey.AddSurveyOptions(request.SurveyOptions.Select(option =>
new SurveyOption(NonEmptyString.Create(option.OptionText), option.PreferredNumberOfVotes)));
survey.CalculateOutcome();
await _surveyContext.Surveys.AddAsync(survey, cancellationToken);
await _surveyContext.SaveChangesAsync(cancellationToken);
return(_mapper.Map <SurveyModel>(survey));
}
catch (SurveyDomainException e)
{
return(new Error("survey.domain.exception", e.Message));
}
}
public async Task <Result <UserModel, Error> > Handle(RegisterUserCommand request,
CancellationToken cancellationToken)
{
var userInfo = await _userService.GetUserInfo(cancellationToken);
if (await _surveyContext.Users.AnyAsync(user => user.ExternalUserId == userInfo.Id, cancellationToken))
{
return(Result.Failure <UserModel, Error>(Errors.General.UserAlreadyRegistered(userInfo.Id)));
}
var newUser = new User(NonEmptyString.Create(userInfo.DisplayName),
NonEmptyString.Create(userInfo.EmailAddress), NonEmptyString.Create(userInfo.Id));
await _surveyContext.Users.AddAsync(newUser, cancellationToken);
await _surveyContext.SaveChangesAsync(cancellationToken);
return(Result.Success <UserModel, Error>(_mapper.Map <UserModel>(newUser)));
}