public PatientCart Add(PatientCart cart)
{
//to make a copy of the 'cart' before adding
if (cart != null)
{
lock (_inlock)
{
cart.Id = ++PatientNumber;
data.Add(cart);
}
}
return(cart);
}
public bool Delete(int id)
{
bool isSuccess = false;
lock (_inlock)
{
PatientCart cart = data.Where(c => c.Id == id).First();
if (cart != null)
{
data.Remove(cart);
isSuccess = true;
}
}
return(isSuccess);
}
public bool Update(int id, PatientCart cart)
{
bool isSuccess = false;
if (cart != null)
{
lock (_inlock)
{
int index = data.ToList().FindIndex(c => c.Id == id);
if (cart != null)
{
cart.Id = id;
data[index] = cart;
isSuccess = true;
}
}
}
return(isSuccess);
}