/// <inheritdoc />
public async Task <Result> Handle(CreateGroupEventCommand request, CancellationToken cancellationToken)
{
if (request.UserId != _userIdentifierProvider.UserId)
{
return(Result.Failure(DomainErrors.User.InvalidPermissions));
}
if (request.DateTimeUtc <= _dateTime.UtcNow)
{
return(Result.Failure(DomainErrors.GroupEvent.DateAndTimeIsInThePast));
}
Maybe <User> maybeUser = await _userRepository.GetByIdAsync(request.UserId);
if (maybeUser.HasNoValue)
{
return(Result.Failure(DomainErrors.User.NotFound));
}
Maybe <Category> maybeCategory = Category.FromValue(request.CategoryId);
if (maybeCategory.HasNoValue)
{
return(Result.Failure(DomainErrors.Category.NotFound));
}
Result <Name> nameResult = Name.Create(request.Name);
if (nameResult.IsFailure)
{
return(Result.Failure(nameResult.Error));
}
var groupEvent = GroupEvent.Create(maybeUser.Value, nameResult.Value, maybeCategory.Value, request.DateTimeUtc);
_groupEventRepository.Insert(groupEvent);
await _unitOfWork.SaveChangesAsync(cancellationToken);
return(Result.Success());
}
