public static string insert(string name, string stock, string price, string productTypeID)
{
string error = "";
int stockProduct, priceProduct, currentProductTypeID;
bool flag = true;
try
{
stockProduct = int.Parse(stock);
priceProduct = int.Parse(price);
currentProductTypeID = int.Parse(productTypeID);
}
catch (Exception ex)
{
if (ex != null)
{
flag = false;
error = "Input stock, product type, and price must be a number";
}
}
if (flag)
{
if (name == "")
{
error = "Product name must be filled";
}
else if (int.Parse(stock) < 1)
{
error = "Stock must be 1 or more";
}
else if (int.Parse(price) <= 1000)
{
error = "Product price must be more than 1000";
}
else if (int.Parse(price) % 1000 != 0)
{
error = "Product price must be multiply of 1000";
}
else if (!ProductTypeHandler.checkIfInsertedProductTypeIDValid(int.Parse(productTypeID)))
{
error = "Product type id is invalid";
}
}
return(error);
}
