public async Task <Guid> Handle(CreateMailingEmailCommand request, CancellationToken cancellationToken)
{
var mailingEmailId = await _mailingEmailService.GetOrCreateMailingEmail(request.Email);
var mailingGroup = await _mailingGroupRepository.GetById(request.MailingGroupId);
if (mailingGroup == null)
{
throw new LogicException(LogicErrorCode.CouldNotFindMailingGroup, $"Could not found mailing group with id '{request.MailingGroupId}'");
}
if (mailingGroup.UserId != request.UserId)
{
throw new LogicException(LogicErrorCode.DisallowToMakeChangesInOtherUserMailingGroup, "Could not update mailing group which is not belong to user");
}
var mailingEmailGroup = _mailingEmailGroupRepository.GetAll()
.FirstOrDefault(meg => meg.MailingGroupId == request.MailingGroupId && meg.MailingEmailId == mailingEmailId);
if (mailingEmailGroup != null)
{
throw new LogicException(LogicErrorCode.MailingEmailGrourExist, "Actually there is exist mailing email which is subscribed to mailing group");
}
var newMailingGroup = new MailingEmailGroup()
{
MailingEmailId = mailingEmailId,
MailingGroupId = mailingGroup.Id
};
await _mailingEmailGroupRepository.Add(newMailingGroup);
return(newMailingGroup.Id);
}
public async Task <Unit> Handle(UpdateMailingEmailCommand request, CancellationToken cancellationToken)
{
var mailingEmail = await _mailingEmailRepository.GetAll()
.Include(me => me.MailingEmailGroups)
.FirstOrDefaultAsync(me => me.Id == request.MailingEmailId);
if (mailingEmail == null)
{
throw new LogicException(LogicErrorCode.CannotFindMailingEmail, $"Could not find mailing email with id {request.MailingEmailId}");
}
if (mailingEmail.Email == request.NewEmailName)
{
throw new LogicException(LogicErrorCode.NewNameAndOldNameShouldBeDifferent, "Could not update mailing email to exactly same mailing email");
}
var mailingGroup = await _mailingGroupRepository.GetAll().FirstOrDefaultAsync(mg => mg.Id == request.MailingGroupId);
if (mailingGroup == null)
{
throw new LogicException(LogicErrorCode.CannotFindMailingGroup, $"Could not find mailing email group with id {request.MailingGroupId}");
}
var newMailingEmailId = await _mailingEmailService.GetOrCreateMailingEmail(request.NewEmailName);
var mailingGroupEmail = mailingEmail.MailingEmailGroups
.FirstOrDefault(meg => meg.MailingGroup.UserId == request.UserId && meg.MailingGroupId == request.MailingGroupId);
if (mailingGroupEmail == null)
{
throw new LogicException(LogicErrorCode.CannotFindMailingEmail,
$"Could not find mailing email group for user with id {request.UserId}, mailing group with id {request.MailingGroupId} and mailing email with id {mailingEmail.Id}");
}
await _mailingEmailGroupRepository.Remove(mailingGroupEmail);
var newMailingGroup = new MailingEmailGroup()
{
MailingEmailId = newMailingEmailId,
MailingGroupId = mailingGroup.Id
};
await _mailingEmailGroupRepository.Add(newMailingGroup);
return(await Task.FromResult(Unit.Value));
}