private Mail Modify(EventMailSenderUpdated evt, Mail item)
{
item.EventGuid = evt.EventId;
item.Value1 = evt.MailSenderValue1;
item.Value2 = evt.MailSenderValue2;
return(item);
}
public async Task Update(CommandMailSenderUpdate cmd)
{
var item = db.Mails.FirstOrDefault(u => u.MailId == cmd.MailSenderId);
if (item != null)
{
var ev = new EventMailSenderUpdated()
{
EventId = Guid.NewGuid(),
MailSenderValue1 = cmd.MailSenderValue1,
MailSenderValue2 = cmd.MailSenderValue2,
};
ev.Generation = item.Generation + 1;
item = Modify(ev, item);
await _handler.PublishEvent(ev, MessageType.MailSenderUpdated, ev.EventId, item.EventGuid, ev.Generation, cmd.MailSenderId);
db.Mails.Update(item);
await db.SaveChangesAsync();
}
}