private async Task ProcessMessagesAsync(Message message, CancellationToken token)
{
// Process the message.
Console.WriteLine($"Received message: SequenceNumber:{message.SystemProperties.SequenceNumber} Body:{Encoding.UTF8.GetString(message.Body)}");
var student = studentDomain.ConvertToStudentEntity(Encoding.UTF8.GetString(message.Body));
string errorMessage = await studentDomain.ApplyBusinessRules(student);
if (!string.IsNullOrWhiteSpace(errorMessage))
{
SendMail("Student not added, " + errorMessage);
}
else
{
await studentRepository.AddAsync(student);
await databaseUnitOfWork.SaveChangesAsync();
SendMail($"Student added Successfully. StudentId:{student.StudentId}");
}
// Complete the message so that it is not received again.
// This can be done only if the queue Client is created in ReceiveMode.PeekLock mode (which is the default).
await queuClient.CompleteAsync(message.SystemProperties.LockToken);
// Note: Use the cancellationToken passed as necessary to determine if the queueClient has already been closed.
// If queueClient has already been closed, you can choose to not call CompleteAsync() or AbandonAsync() etc.
// to avoid unnecessary exceptions.
}
public async Task <IDataResult <long> > Add(AddStudentModel addStudentModel)
{
var validation = new AddStudentModelValidator().Valid(addStudentModel);
if (!validation.Success)
{
return(new ErrorDataResult <long>(validation.Message));
}
StudentDomain domain = new StudentDomain(DatabaseUnitOfWork, StudentRepository, CourseRepository);
var student = domain.ConvertToStudentEntity(addStudentModel);
string errorMessage = await domain.ApplyBusinessRules(student);
if (!string.IsNullOrWhiteSpace(errorMessage))
{
return(new ErrorDataResult <long>(errorMessage));
}
await StudentRepository.AddAsync(student);
await DatabaseUnitOfWork.SaveChangesAsync();
return(new SuccessDataResult <long>(student.StudentId));
}