public async Task <ActionResult> RegisterNewStudent(NewStudentInformationDto newStudentInformationDto)
{
var registrationResult = await _studentRegistrationService.AddNewStudent(newStudentInformationDto);
return(View(registrationResult.GetUserSafeResult <bool, StudentInformationDto>()));
}
public async Task <GenericResult <StudentInformationDto> > AddNewStudent(NewStudentInformationDto newStudentInformationDto)
{
if (string.IsNullOrEmpty(newStudentInformationDto.StudentNumber))
{
return(GenericResult <StudentInformationDto> .UserSafeError($"Error! Student number can not be null"));
}
using (var transaction = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
try
{
if (await _studentRepo.AsQueryable().AnyAsync(x => x.StudentNumber == newStudentInformationDto.StudentNumber))
{
transaction.Dispose();
return(GenericResult <StudentInformationDto> .UserSafeError($"Error! Student number: \"{newStudentInformationDto.StudentNumber}\" is already in use"));
}
newStudentInformationDto.RegistrationDate = DateTime.Now;
var newPopulationResult = await _populationService.AddPopulationInfo(newStudentInformationDto.NewUserDto.PersonDto.PopulationInformationDto);
if (newPopulationResult.IsSucceed)
{
newStudentInformationDto.NewUserDto.PersonDto.FKPopulationInformationID = newPopulationResult.Data;
var newPersonResult = await _peopleService.AddPerson(newStudentInformationDto.NewUserDto.PersonDto);
if (newPersonResult.IsSucceed)
{
newStudentInformationDto.NewUserDto.FKPersonID = newPersonResult.Data.ID;
var newUserResult = await _userService.AddNewUser(newStudentInformationDto.NewUserDto);
if (newUserResult.IsSucceed)
{
newStudentInformationDto.FKUserID = newUserResult.Data.ID;
var newStudentDbEntity = _mapper.Map <StudentInformation>(newStudentInformationDto);
var newStudent = await _studentRepo.InsertAsync(newStudentDbEntity);
await _eventPublisher.PublishAsync(new NewStudentCreatedEvent()
{
FKUserID = newStudent.FKUserID,
StudentNumber = newStudent.StudentNumber
});
transaction.Complete();
return(GenericResult <StudentInformationDto> .Success(_mapper.Map <StudentInformationDto>(newStudent)));
}
else
{
transaction.Dispose();
return(newUserResult.ConvertTo(default(StudentInformationDto), "An error occurred while adding new user."));
}
}
else
{
await _populationService.Delete(newPopulationResult.Data);
transaction.Dispose();
return(newPersonResult.ConvertTo(default(StudentInformationDto), "An error occurred while adding new person."));
}
}
else
{
transaction.Dispose();
return(newPopulationResult.ConvertTo(default(StudentInformationDto), "An error occurred while adding new population."));
}
}
catch (Exception e)
{
transaction.Dispose();
return(GenericResult <StudentInformationDto> .Error(e));
}
}
}