public Task UpdateValue(OrdersStats value)
{
// update the state
_state = _state.NextVersion(value);
_logger.LogInformation("{@GrainType} {@GrainKey} updated value to {@Value} with version {@Version}",
GrainType, GrainKey, _state.Value, _state.Version);
// fulfill waiting promises
_wait.SetResult(_state);
_wait = new TaskCompletionSource <VersionedValue <OrdersStats> >();
return(Task.CompletedTask);
}
private async Task UpdateStatsAsync()
{
int orders = State.Orders.Count;
int ordersNotDipatched = State.OrdersNotDispatched.Count;
// update the stats state
var value = new OrdersStats {
Orders = orders, OrdersNotDispatched = ordersNotDipatched
};
_logger.LogInformation("{@GrainType} {@GrainKey} updating value to {@Value}", GrainType, GrainKey, value);
await GrainFactory.GetGrain <IOrdersStatsProducer>(Guid.Empty).UpdateValue(value);
}
public async Task <ActionResult <OrdersStats> > GetOrders(int year)
{
var ordersOfYear = await _context.Orders.Include(o => o.OrderDetail).Where(o => o.OrderDate.Year == year).ToListAsync();
var orderStats = new OrdersStats
{
OrdersCount = ordersOfYear.Count(),
ProductsCount = 0,
Revenues = 0
};
foreach (var order in ordersOfYear)
{
orderStats.ProductsCount += order.OrderDetail.Sum(od => od.Quantity);
orderStats.Revenues += order.OrderDetail.Sum(od => od.Quantity * od.UnitPrice * (1 - (decimal)od.Discount));
}
return(orderStats);
}
public ActionResult <OrdersStats> GetStats(int year)
{
OrdersStats stats = new OrdersStats();
// On récupère les commandes de l'année passée en paramètre
var orders = _context.Orders.Where(o => o.OrderDate.Year == year).Include(o => o.OrderDetail).ToList();
// On calcule le nombre d'articles commandés et le CA généré par ces commandes
double revenues = 0d;
int prodCount = 0;
foreach (var o in orders)
{
prodCount += o.OrderDetail.Sum(od => od.Quantity);
revenues += o.OrderDetail.Sum(od => (float)od.Quantity * (float)od.UnitPrice * (1.0 - od.Discount));
}
stats.OrdersCount = orders.Count(); // Nombre de commandes pour l'année
stats.ProductsCount = prodCount; // Nombre d'articles commandés
stats.Revenues = Math.Round(revenues); // CA réalisé
return(stats);
}
public OrdersStatsViewModel(OrdersStats stats)
{
All = stats.Orders;
NotDispatched = stats.OrdersNotDispatched;
}
