public static void Restock(Int32 pzn, Int32 quantity, DateTime dateOfAction)
{
using (PharmacyContainer db = new PharmacyContainer())
{
Drug drug = GetDrug(pzn, db);
drug.Apply(RestockEvent.Create(drug, quantity, dateOfAction));
db.SaveChanges();
}
}
public static void InitiateReplenishment(Int32 pzn, int quantity, PharmacyContainer db)
{
Drug drug = DrugService.GetDrug(pzn, db);
if (HasOpenOrders(drug, db))
{
AdjustExistingOrderFor(drug, quantity, db);
}
else
{
CreatePositionOnOpenOrNewOrder(drug, quantity, db);
}
db.SaveChanges();
}
public static void Cancel(Int32 id)
{
using (PharmacyContainer db = new PharmacyContainer())
{
ReplenishmentOrder order = GetOrder(id, db);
order.State = order.State.Cancel();
foreach (Position p in order.Positions)
{
InitiateReplenishment(p.DrugPZN, p.Quantity, db);
}
// migrate all positions to new or existing open order
db.SaveChanges();
}
}
public static void ProceedToNextState(Int32 id)
{
using (PharmacyContainer db = new PharmacyContainer())
{
ReplenishmentOrder order = GetOrder(id, db);
order.State = order.State.Next();
if (order.State == OrderState.Finished)
{
foreach (Position p in order.Positions)
{
DrugService.Replenish(p.Drug.PZN, p.Quantity, order.ActualDelivery, db);
}
}
db.SaveChanges();
}
}
public static void UpdateExpectedDeliveryDate(Int32 id, DateTime expectedDelivery)
{
using (PharmacyContainer db = new PharmacyContainer())
{
ReplenishmentOrder order = GetOrder(id, db);
order.ExpectedDelivery = expectedDelivery;
db.SaveChanges();
}
}
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 void Replenish(Int32 pzn, Int32 quantity, DateTime? dateOfAction, PharmacyContainer db)
{
Drug drug = GetDrug(pzn, db);
drug.Apply(ReplenishEvent.Create(drug, quantity, FailOnNull(dateOfAction)));
db.SaveChanges();
}
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;
}
}