static void Main(string[] args)
{
#region Lab_1
var customerObesrver = new CustomerObserver();
var employeeObserver = new EmployeeObserver();
ProductSubject productSubject = new ProductSubject();
productSubject.Attached(customerObesrver);
productSubject.Attached(employeeObserver);
productSubject.Update();
#endregion
Console.WriteLine("\n");
#region Lab_2
ConcreteProduct concreteProduct = new ConcreteProduct("HP Laptop", 12);
concreteProduct.members.Add(new ConcreteMember {
EmailAddress = "*****@*****.**"
});
concreteProduct.members.Add(new ConcreteMember {
EmailAddress = "*****@*****.**"
});
concreteProduct.Price = 15;
#endregion
Console.ReadKey();
}
public async Task <IActionResult> Index()
{
try
{
ProductSubject subject = new ProductSubject();
IObserver observer1 = new Observer("observer1");
subject.Register(observer1);
IObserver observer2 = new Observer("observer2");
subject.Register(observer2);
//subject.ProductCount++;
//Product is added to the inventory and it will notified to all subscribers
IObserver observer3 = new Observer("observer3");
subject.Register(observer3);
subject.Unregister(observer1);
subject.ProductCount++;
var observers = subject.GetObservers();
return(View(observers));
}
catch (Exception ex)
{
_logger.LogError($"Internal Server Error during implementation of Solid principle and Observer pattern : {ex}");
return(StatusCode(StatusCodes.Status500InternalServerError, "Internal server Error"));
}
}
