public void MarkAsOverdue(Guid userId)
{
if (!DueDate.HasValue)
{
throw new InvalidOperationException("An invoice must have a due date for it to be marked as expired.");
}
var evt = new OutgoingInvoiceOverdueEvent(this.Id, DueDate.Value, userId);
RaiseEvent(evt);
}
public async Task Handle(OutgoingInvoiceOverdueEvent message)
{
using (var ctx = new AccountancyDbContext(Options))
{
var invoice = ctx.OutgoingInvoices
.Where(i => i.OriginalId == message.InvoiceId)
.Single();
invoice.IsOverdue = true;
await ctx.SaveChangesAsync();
}
}
public void ApplyEvent([AggregateId(nameof(OutgoingInvoiceOverdueEvent.InvoiceId))] OutgoingInvoiceOverdueEvent evt)
{
IsOverdue = true;
}