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(UpdateMailingGroupCommand request, CancellationToken cancellationToken)
{
var mailingGroup = await _mailingGroupRepository.GetById(request.MailingGroupId);
if (mailingGroup.UserId != request.UserId)
{
throw new LogicException(LogicErrorCode.DisallowToMakeChangesInOtherUserMailingGroup, "Could not update mailing group which is not belong to user");
}
if (mailingGroup == null)
{
throw new LogicException(LogicErrorCode.CouldNotFindMailingGroup, $"Could not found mailing group with id '{request.MailingGroupId}'");
}
if (mailingGroup.Name == request.NewName)
{
throw new LogicException(LogicErrorCode.NewNameAndOldNameShouldBeDifferent, "Could not update group name to exactly same group name");
}
_mailingGroupService.CheckMailingGroupIsUnique(request.NewName);
mailingGroup.Name = request.NewName;
await _mailingGroupRepository.Update(mailingGroup);
return(await Task.FromResult(Unit.Value));
}
public async Task <Unit> Handle(DeleteMailingGroupCommand request, CancellationToken cancellationToken)
{
var mailingGroup = await _mailingGroupRepository.GetById(request.MailingGroupId);
if (mailingGroup.UserId != request.UserId)
{
throw new LogicException(LogicErrorCode.DisallowToMakeChangesInOtherUserMailingGroup, "Could not delete mailing group which is not belong to user");
}
await _mailingGroupEmailService.DeleteMailingEmailRelatedToMailingGroup(mailingGroup.Id);
await _mailingGroupRepository.Remove(mailingGroup);
return(await Task.FromResult(Unit.Value));
}