protected void SubmitBtn_Click(object sender, EventArgs e)
{
// because validation still invoke this method
if (!Page.IsValid)
{
return;
}
try
{
// pzn is validated in form
int pzn = Int32.Parse(PZNBox.Text);
Pharmacy.BusinessLayer.Data.Drug result =
Pharmacy.BusinessLayer.Logic.DrugService.CreateDrug(pzn, NameBox.Text, DescriptionBox.Text);
ResultLabel.Text = String.Format("Drug '{0}' created.", result.PZN);
ResultLabel.CssClass = "success";
PZNBox.Text = "";
NameBox.Text = "";
DescriptionBox.Text = "";
}
catch (ArgumentException ex)
{
ResultLabel.Text = String.Format("Drug not created: {0}", ex.Message);
ResultLabel.CssClass = "error";
}
}
public static new InventoryEvent Create(Drug drug, int quantity, DateTime dateOfAction)
{
return new RestockEvent
{
Drug = drug,
Quantity = quantity,
DateOfAction = dateOfAction
};
}
public static Drug CreateDrug(int pzn, string name, string description)
{
Util.ConvertEmptyToNull(ref description);
Drug newDrug = new Drug
{
PZN = pzn,
Name = name,
Description = description
};
return CreateDrug(newDrug);
}
public static Drug UpdateDrug(Drug drug, String name, String description, int minimumInventoryLevel, int optimalInventoryLevel)
{
Util.ConvertEmptyToNull(ref description);
using (PharmacyContainer db = new PharmacyContainer())
{
Drug attachedDrug = GetDrug(drug.PZN, db);
attachedDrug.Name = name;
attachedDrug.Description = description;
attachedDrug.MinimumInventoryLevel = minimumInventoryLevel;
attachedDrug.OptimalInventoryLevel = optimalInventoryLevel;
db.SaveChanges();
return attachedDrug;
}
}
public static Boolean HasOpenOrders(Drug drug, PharmacyContainer db)
{
return OpenOrdersFor(drug, db).Count() > 0;
}
private static IQueryable<ReplenishmentOrder> OpenOrdersFor(Drug drug, PharmacyContainer db)
{
return (from o in db.ReplenishmentOrderSet
where o.Positions.Where(p => p.DrugPZN == drug.PZN).Count() > 0
&& o.State == OrderState.Open select o);
}
private static void CreatePositionOnOpenOrNewOrder(Drug drug, int quantity, PharmacyContainer db)
{
if (OpenOrdersAvailable(db))
{
ReplenishmentOrder openOrder = GetOpenOrders(db).First();
openOrder.Positions.Add(new Position
{
Drug = drug,
Order = openOrder,
Quantity = quantity
});
}
else
{
ReplenishmentOrder newOrder = new ReplenishmentOrder();
newOrder.Positions.Add(new Position
{
Drug = drug,
Order = newOrder,
Quantity = quantity
});
db.ReplenishmentOrderSet.Add(newOrder);
}
}
private static void AdjustExistingOrderFor(Drug drug, int quantity, PharmacyContainer db)
{
foreach (Position p in GetPendingPositionsForDrug(drug.PZN))
{
if (p.Order.State == OrderState.Open)
{
p.Quantity = p.Quantity + quantity;
db.Entry(p).State = System.Data.EntityState.Modified;
}
}
}
public static Drug UpdateDrug(Drug drug)
{
return UpdateDrug(drug, drug.Name, drug.Description, drug.MinimumInventoryLevel, drug.OptimalInventoryLevel);
}
private static Int32 GetQuantityPending(Drug drug, PharmacyContainer db)
{
if (OrderService.PendingPositionsFor(drug.PZN, db).Count() > 0)
{
// would not work on empty position collections
return OrderService.PendingPositionsFor(drug.PZN, db).Sum(p => p.Quantity);
}
else
{
return 0;
}
}
private static Drug CreateDrug(Drug newDrug)
{
using (PharmacyContainer db = new PharmacyContainer())
{
var count = (from d in db.DrugSet where d.PZN == newDrug.PZN select d).Count();
if (count > 0)
throw new ArgumentException(String.Format("Drug with PZN {0} already exists!", newDrug.PZN));
db.DrugSet.Add(newDrug);
db.SaveChanges();
return newDrug;
}
}
public static InventoryEvent Create(Drug drug, Int32 quantity, DateTime dateOfAction)
{
throw new NotImplementedException();
}
public static new InventoryEvent Create(Drug drug, int quantity, DateTime dateOfAction)
{
return new WithdrawEvent
{
Drug = drug,
// negate quantity for withdrawal
Quantity = -quantity,
DateOfAction = dateOfAction
};
}
public static InventoryEvent Create(Drug drug, Int32 quantity, DateTime dateOfAction)
{
throw new NotImplementedException();
}
