public void WhenChangeItemsIsInvoked_ThenGenerateOrderChagedEvent()
{
//arrange
var newItems = new List <OrderDetailDTO> {
new OrderDetailDTO {
ItemName = "Cake", Quntity = 1, Price = 25
}
};
var changeItems = new List <OrderDetailDTO>
{
};
var removeItems = new List <OrderDetailDTO> {
};
Order target = new Order();
OrderChangedEvent expect = new OrderChangedEvent(target.Id,
1, new[] { new OrderDetailEventModel {
ItemName = "Cake", Quntaty = 1, Price = 25
} }
);
//act
target.ChangeItems(changeItems, newItems, removeItems);
var actual = target.IterateEvent().First() as OrderChangedEvent;
//assert
actual.Should().Equals(expect);
}
public void OnNext(OrderChangedEvent changedEvent)
{
if (changedEvent.ChangeState == EntryState.Added)
{
var oldUsages = new List <PromotionUsage>();
var newUsages = GetCouponUsages(changedEvent.ModifiedOrder.Id, changedEvent.ModifiedOrder);
RecordUsages(changedEvent.ModifiedOrder.Id, oldUsages, newUsages);
}
}
public virtual async Task Handle(OrderChangedEvent message)
{
var operationLogs = new List <OperationLog>();
foreach (var changedEntry in message.ChangedEntries)
{
operationLogs.AddRange(await GetChangedEntryOperationLogsAsync(changedEntry));
}
if (!operationLogs.IsNullOrEmpty())
{
_changeLogService.SaveChanges(operationLogs.ToArray());
}
}