public override bool CanHappen(string msg, [NotNull] Viewer viewer)
{
var worker = ArgWorker.CreateInstance(CommandFilter.Parse(msg).Skip(2));
if (!PurchaseHelper.TryGetPawn(viewer.username, out Pawn pawn) || !pawn !.Spawned)
{
return(false);
}
if (!worker.TryGetNextAsItem(out ArgWorker.ItemProxy proxy) || !proxy.IsValid() || proxy !.Thing.Thing.race != null)
{
MessageHelper.ReplyToUser(viewer.username, "TKUtils.InvalidItemQuery".LocalizeKeyed(worker.GetLast()));
return(false);
}
if (proxy.TryGetError(out string error))
{
MessageHelper.ReplyToUser(viewer.username, error);
return(false);
}
if (!worker.TryGetNextAsInt(out int amount, 1, viewer.GetMaximumPurchaseAmount(proxy !.Thing.Cost)))
{
amount = 1;
}
if (PurchaseHelper.TryGetUnfinishedPrerequisites(proxy.Thing.Thing, out List <ResearchProjectDef> projects))
{
MessageHelper.ReplyToUser(
viewer.username,
"TKUtils.ResearchRequired".LocalizeKeyed(proxy.Thing.Thing !.LabelCap.RawText, projects.Select(p => p.LabelCap.RawText).SectionJoin())
);
return(false);
}
if (worker.GetLast().Equals("*"))
{
amount = viewer.GetMaximumPurchaseAmount(proxy.Thing.Cost);
}
if (proxy.Thing.ItemData?.HasQuantityLimit == true)
{
amount = Mathf.Clamp(amount, 1, proxy.Thing.ItemData.QuantityLimit);
}
_purchaseRequest = new PurchaseBackpackRequest {
Proxy = proxy, Quantity = amount, Purchaser = viewer, Pawn = pawn
};
if (_purchaseRequest.Price < ToolkitSettings.MinimumPurchasePrice)
{
MessageHelper.ReplyToUser(
viewer.username,
"TKUtils.Item.MinimumViolation".LocalizeKeyed(_purchaseRequest.Price.ToString("N0"), ToolkitSettings.MinimumPurchasePrice.ToString("N0"))
);
return(false);
}
if (_purchaseRequest.Overflowed)
{
MessageHelper.ReplyToUser(viewer.username, "TKUtils.Overflowed".Localize());
return(false);
}
if (viewer.CanAfford(_purchaseRequest.Price))
{
return(_purchaseRequest.Map != null);
}
MessageHelper.ReplyToUser(
viewer.username,
"TKUtils.InsufficientBalance".LocalizeKeyed(_purchaseRequest.Price.ToString("N0"), viewer.GetViewerCoins().ToString("N0"))
);
return(false);
}
