public JsonResult OrderReservation(OrderReservationRequestFrontEnd request)
{
string sessionInfo = GetSessionData("OrderReservation");
OrderReservation orderReservation = new OrderReservation(request, sessionInfo, new ProjectConfigData());
return(Json(orderReservation.Response));
}
private void btn_OrderReservation_Click(object sender, EventArgs e)
{
List <string> orders = new List <string>();
orders.Add(Guid.NewGuid().ToString());
orders.Add(Guid.NewGuid().ToString());
orders.Add(Guid.NewGuid().ToString());
orders.Add(Guid.NewGuid().ToString());
orders.Add(Guid.NewGuid().ToString());
OrderReservationRequestFrontEnd orderRequest = new OrderReservationRequestFrontEnd()
{
photoProcessId = orders, requestId = Guid.NewGuid().ToString(), sessionId = Guid.NewGuid().ToString()
};
OrderReservation orderReservation = new OrderReservation(orderRequest, "SESSION INFO", new ProjectConfigData());
}
public async Task <ActionResult <Guid> > OnReservationFailed(OrderReservation reservation, [FromServices] DaprClient daprClient)
{
var state = await daprClient.GetStateEntryAsync <OrderState>(StoreName, reservation.OrderId.ToString());
if (state.Value == null)
{
return(this.NotFound());
}
state.Value.Status = "reservation failed";
state.Value.UpdatedOn = DateTime.UtcNow;
await state.SaveAsync();
Console.WriteLine($"Acknowledged reservation failed for order {reservation.OrderId}");
return(this.Ok());
}
public async Task <ActionResult <OrderReservation> > ReserveOrder(Order order, [FromServices] DaprClient daprClient)
{
// retrieve state of whole reservation request
var stateReservation = await daprClient.GetStateEntryAsync <ReservationState>(StoreName_reservation, order.Id.ToString());
stateReservation.Value ??= new ReservationState()
{
OrderId = order.Id, ReservedItems = new List <ItemReservation>()
};
var result = new OrderReservation()
{
OrderId = order.Id, ReservedItems = new List <Item>()
};
// iterate over state of each reservation item
foreach (var item in order.Items)
{
var SKU = item.ProductCode;
var quantity = item.Quantity;
var actorID = new ActorId(SKU);
var proxy = ActorProxy.Create <IReservationItemActor>(actorID, "ReservationItemActor");
var balanceQuantity = await proxy.AddReservation(quantity);
// compose result
result.ReservedItems.Add(new Item {
SKU = SKU, BalanceQuantity = balanceQuantity
});
// save updated reservation state
stateReservation.Value.ReservedItems.Add(new ItemReservation()
{
SKU = SKU, Quantity = quantity, ReservedOn = DateTime.UtcNow
});
await stateReservation.SaveAsync();
Console.WriteLine($"Reservation in {stateReservation.Value.OrderId} of {SKU} for {quantity}, balance {balanceQuantity}");
}
await daprClient.PublishEventAsync <Order>(PubSub, common.Topics.ReservationCompletedTopicName, order);
Console.WriteLine($"Reservation in {stateReservation.Value.OrderId} completed");
return(this.Ok());
}
public async Task <ActionResult <OrderReservation> > ReserveOrder(Order order, [FromServices] DaprClient daprClient)
{
// retrieve state of whole reservation request
var stateReservation = await daprClient.GetStateEntryAsync <ReservationState>(StoreName_reservation, order.Id.ToString());
stateReservation.Value ??= new ReservationState()
{
OrderId = order.Id, ReservedItems = new List <ItemReservation>()
};
var result = new OrderReservation()
{
OrderId = order.Id, ReservedItems = new List <Item>()
};
// iterate over state of each reservation item
foreach (var item in order.Items)
{
var SKU = item.ProductCode;
var quantity = item.Quantity;
var stateItem = await daprClient.GetStateEntryAsync <ItemState>(StoreName_item, SKU);
stateItem.Value ??= new ItemState()
{
SKU = SKU, Changes = new List <ItemReservation>()
};
// update balance
stateItem.Value.BalanceQuantity -= quantity;
// record change
ItemReservation change = new ItemReservation()
{
SKU = SKU, Quantity = quantity, ReservedOn = DateTime.UtcNow
};
stateItem.Value.Changes.Add(change);
// keep only the 10 latest changes
if (stateItem.Value.Changes.Count > 10)
{
stateItem.Value.Changes.RemoveAt(0);
}
// save item state
await stateItem.SaveAsync();
// compose result
result.ReservedItems.Add(new Item {
SKU = SKU, BalanceQuantity = stateItem.Value.BalanceQuantity
});
// save updated reservation state
stateReservation.Value.ReservedItems.Add(change);
await stateReservation.SaveAsync();
Console.WriteLine($"Reservation in {stateReservation.Value.OrderId} of {SKU} for {quantity}, balance {stateItem.Value.BalanceQuantity}");
}
await daprClient.PublishEventAsync <Order>(PubSub, common.Topics.ReservationCompletedTopicName, order);
Console.WriteLine($"Reservation in {stateReservation.Value.OrderId} completed");
return(this.Ok());
}
