/// <summary>
/// Execute a sale
/// </summary>
/// <param name="item">the item in question</param>
/// <param name="price">the sale price</param>
/// <returns>error or blank</returns>
public string Instruct(IMobile customer, string qualityName, int level, int price)
{
string returnString = string.Empty;
if (customer == null)
{
return("Invalid customer");
}
IQuality quality = TeachableProficencies.FirstOrDefault(qual => qual.Name.Equals(qualityName, StringComparison.InvariantCultureIgnoreCase) && qual.Value > level);
if (quality == null)
{
return("I can't teach that proficency to you.");
}
int customerWallet = customer.GetQuality("Bells");
if (customerWallet < price)
{
return("Insufficient Funds.");
}
customer.SetQuality(-1 * price, "Bells", true);
customer.SetQuality(1, quality.Name, true);
return(returnString);
}
/// <summary>
/// Execute a sale
/// </summary>
/// <param name="item">the item in question</param>
/// <param name="price">the sale price</param>
/// <returns>error or blank</returns>
public string MakeSale(IMobile customer, IInanimate item, int price)
{
string returnString = string.Empty;
if (customer == null)
{
return("Invalid customer");
}
if (item == null || !Inventory.Contains(item))
{
return("I don't have that item in stock.");
}
int customerWallet = customer.GetQuality("Bells");
if (customerWallet < price)
{
return("Insufficient Funds.");
}
customer.SetQuality(-1 * price, "Bells", true);
item.TryMoveTo(customer.GetContainerAsLocation());
return(returnString);
}
/// <summary>
/// Execute a sale
/// </summary>
/// <param name="item">the item in question</param>
/// <param name="price">the sale price</param>
/// <returns>error or blank</returns>
public string Instruct(IMobile customer, string useName, int price)
{
string returnString = string.Empty;
if (customer == null)
{
return("Invalid customer");
}
int customerWallet = customer.GetQuality("Bells");
if (customerWallet < price)
{
return("Insufficient Funds.");
}
customer.SetQuality(-1 * price, "Bells", true);
customer.Save();
return(returnString);
}