public async Task Handle(JobOrderExtendedEvent message)
{
using (var db = new AccountancyContext())
{
var jobOrder = db.JobOrders.OfType <JobOrder>().Where(jo => jo.OriginalId == message.JobOrderId).Single();
jobOrder.DueDate = message.NewDueDate;
jobOrder.Price = message.Price;
await db.SaveChangesAsync();
}
}
public void Extend(DateTime newDueDate, decimal price)
{
if (this.IsCompleted)
{
throw new InvalidOperationException("Can't extend a completed job order.");
}
if (this.DueDate > newDueDate)
{
throw new ArgumentException("A job order length cannot be reduced.", nameof(newDueDate));
}
var @event = new JobOrderExtendedEvent(
this.Id,
newDueDate,
price
);
RaiseEvent(@event);
}
public void ApplyEvent(JobOrderExtendedEvent evt)
{
this.DueDate = evt.NewDueDate;
this.Price = new PositiveMoney(evt.Price, this.Price.Currency);
}
public void ApplyEvent([AggregateId(nameof(JobOrderExtendedEvent.JobOrderId))] JobOrderExtendedEvent evt)
{
this.DueDate = evt.NewDueDate;
this.Price = new PositiveMoney(evt.Price, this.Price.Currency);
}