public void PromoteToMedicine(DateTime acceptedDate, decimal targetPrice,
string marketingName)
{
var drug = new Medicine {
DrugId = this.DrugId
};
using (var context = new Recipe6Context())
{
context.Drugs.Attach(drug);
drug.AcceptedDate = acceptedDate;
drug.TargetPrice = targetPrice;
drug.Name = marketingName;
context.SaveChanges();
}
}
public static void Run()
{
using (var context = new Recipe6Context())
{
var exDrug1 = new Experimental {
Name = "Nanoxol",
PrincipalResearcher = "Dr. Susan James"
};
var exDrug2 = new Experimental {
Name = "Percosol",
PrincipalResearcher = "Dr. Bill Minor"
};
context.Drugs.Add(exDrug1);
context.Drugs.Add(exDrug2);
context.SaveChanges();
// Nanoxol just got approved!
exDrug1.PromoteToMedicine(DateTime.Now, 19.99M, "Treatall");
context.Entry(exDrug1).State = EntityState.Detached; // better not use this instance any longer
}
using (var context = new Recipe6Context())
{
Console.WriteLine("Experimental Drugs");
foreach (var d in context.Drugs.OfType <Experimental>())
{
Console.WriteLine("\t{0} ({1})", d.Name, d.PrincipalResearcher);
}
Console.WriteLine("Medicines");
foreach (var d in context.Drugs.OfType <Medicine>())
{
Console.WriteLine("\t{0} Retails for {1}", d.Name,
d.TargetPrice.Value.ToString("C"));
}
}
}