public override async Task <CreateExamCommand> HandleAsync(
CreateExamCommand command,
CancellationToken cancellationToken = default)
{
await EnsureNotExistsAsync(command, cancellationToken);
Exam exam = null;
await using (var dbContext = _dbContextFactory.Create(command.UserId))
{
exam = new Exam(
command.Name,
command.ExamDate,
await dbContext.ExamTypes.FirstAsync(e => e.Id == command.ExamTypeId, cancellationToken),
Enumeration.GetAll <ExamBookletType>().First(e => e.Id == command.ExamBookletTypeId),
command.IncorrectEliminationRate,
Enumeration.GetAll <AnswerFormFormat>().First(a => a.Id == command.AnswerFormFormat),
await GetLessonAsync(dbContext, command.LessonId),
command.ApplicableFormTypeCode,
command.Notes,
command.Shared);
dbContext.Attach(exam.ExamBookletType);
dbContext.Attach(exam.AnswerFormFormat);
dbContext.Exams.Add(exam);
await dbContext.SaveChangesAsync(cancellationToken);
}
await PublishEventAsync(exam, command.AnswerKeyOpticalForms, cancellationToken);
return(await base.HandleAsync(command, cancellationToken));
}
private Task PublishEventAsync(
Exam exam,
IEnumerable <AnswerKeyOpticalForm> answerKeyOpticalForms,
CancellationToken cancellationToken)
{
return(_bus.Publish(
new ExamCreated(exam, answerKeyOpticalForms),
cancellationToken));
}
private Task PublishEventAsync(
Exam exam,
EditExamCommand command,
CancellationToken cancellationToken)
{
return(_bus.Publish(
new ExamUpdated(exam, command.AnswerKeyOpticalForms),
cancellationToken));
}
private async Task PublishEventAsync(
Exam exam,
EditExamCommand command,
CancellationToken cancellationToken)
{
await _publishEndpoint.Publish(
new ExamUpdated(exam, command.AnswerKeyOpticalForms),
cancellationToken);
}
private async Task PublishEventAsync(
Exam exam,
IEnumerable <AnswerKeyOpticalForm> answerKeyOpticalForms,
CancellationToken cancellationToken)
{
await _publishEndpoint.Publish(
new ExamCreated(exam, answerKeyOpticalForms),
cancellationToken);
}
private async Task UpdateExamAsync(ApplicationDbContext dbContext, EditExamCommand command, CancellationToken cancellationToken, Exam exam)
{
exam.Update(
command.NewName,
await dbContext.ExamTypes.FirstAsync(e => e.Id == command.NewExamTypeId, cancellationToken),
command.NewIncorrectEliminationRate,
command.NewExamDate,
command.NewApplicableFormTypeCode,
Enumeration.GetAll <AnswerFormFormat>().First(a => a.Id == command.NewAnswerFormFormat),
await GetLessonAsync(dbContext, command.NewLessonId),
Enumeration.GetAll <ExamBookletType>().First(e => e.Id == command.NewExamBookletTypeId),
command.NewNotes);
}
