public IItem Buy(Auction auction, uint quantity, Agent agent)
{
if (agent.Location.StarCluster != this.starCluster)
throw new InvalidOperationException("The agent needs to be within the same star cluster as this market place");
if (this.auctions.Contains(auction) == false)
throw new ItemNotFoundException("Auction", auction);
if (quantity % auction.BlockSize != 0)
throw new InvalidOperationException("Need to purchase this item in {0:n0} increments.".Expand(auction.BlockSize));
if (quantity > auction.Quantity)
quantity = auction.Quantity;
ulong totalPrice = quantity*auction.PricePerUnit;
if (totalPrice > agent.Employer.Bank)
{
throw new ArgumentException("This corporation cannot afford to make this purchase");
}
IItem auctionItem = auction.Item;
agent.Employer.Bank -= totalPrice;
auctionItem.Owner.Bank += totalPrice;
if (auction.Quantity == quantity)
{
this.auctions.Remove(auction);
}
else
{
auctionItem = auctionItem.Unstack(quantity);
}
auction.Owner.AuctionSold(auction);
auctionItem.Owner = agent.Employer;
Universe.EventPump.RaiseEvent(agent.Employer, EventType.AuctionBuy, "{0} bought {1} from {2}", agent.Name, auctionItem, auction.Owner);
Universe.EventPump.RaiseEvent(auction.Owner, EventType.AuctionSold, "{0} bought {1}", agent.Name, auctionItem);
return auctionItem;
}
public Auction CreateAuction(IItem item, uint pricePerUnit, uint blockSize)
{
if (item == null)
throw new ArgumentNullException("item");
if (item.Quantity % blockSize != 0)
throw new InvalidOperationException("Block size needs to be a factor of the amount being sold.");
var auction = new Auction(this);
auction.BlockSize = blockSize;
auction.Item = item;
auction.PricePerUnit = pricePerUnit;
this.auctions.Add(auction);
return auction;
}
public void AuctionSold(Auction auction)
{
if (auction.Quantity == 0)
this.auctions.Remove(auction);
}
public IItem Buy(Auction auction, uint quantity)
{
Agent agent = this.employees.Find(a => a.Location.StarCluster == auction.MarketPlace.StarCluster);
return auction.MarketPlace.Buy(auction, quantity, agent);
}
public void AuctionExpired(Auction auction)
{
AddAsset(auction.Item);
this.auctions.Remove(auction);
}
