//returns positive error code or 0 if valid request
//-1: insufficient qty
//-2: nonexistant product
//@param id: store id
//@param input:product name string or string of product id
//@param qty: requested quantity of product
public int ValidateProd(int store_id, string input, int qty, out Decimal price)
{
input = input.Trim();
int id = -1;
try
{
id = int.Parse(input);
}
catch (Exception)
{
input = input.ToLower();
}
//Find requested product
var listInventory = DAL.GetInventory(store_id);
var prod = listInventory.Find(inv => inv.Id == id);
if (prod == null)
{
prod = listInventory.Find(inv => inv.P.Name.ToLower() == input);
}
price = -1;
if (prod == null)
{
Console.WriteLine("Item not found");
return(-2);
}
else if (!BusinessValidation.ValidateQuantity(qty, prod.Qty))
{
Console.WriteLine("Insufficient stock/Excessive quantity");
return(-1);
}
else
{
price = prod.P.Price;
return(prod.Id);
}
}
public void TestUnreasonableQuantity(int value, int val2)
{
Assert.False(BusinessValidation.ValidateQuantity(value, val2));
}