protected override void HandleCommand(IChatClient chatClient,
CommandReceivedEventArgs eventArgs)
{
var survivor = _survivorRepo.GetOrCreate(eventArgs.ChatUser);
string operand = eventArgs.Arguments.FirstOrDefault();
var operation = _operations.SingleOrDefault(op => op.ShouldExecute(operand));
if (operation != null)
{
string message = operation.TryToExecute(eventArgs, survivor);
chatClient.SendMessage(message);
}
else
{
var items = _gameRepository.List(ShopItemPolicy.All());
string itemDisplay = string.Join(", ", items.Select(x => $"{x.Id}:{x.Name}-{x.Price}"));
chatClient.SendMessage($"Buy somethin' will ya! For sale: {itemDisplay}");
}
}
public override string TryToExecute(CommandReceivedEventArgs eventArgs,
Survivor survivor)
{
string itemRequested = eventArgs.Arguments.ElementAtOrDefault(1);
if (int.TryParse(itemRequested, out int itemId) && itemId > 0)
{
ShopItem shopItem =
_gameRepository.Single(ShopItemPolicy.ById(itemId));
if (shopItem != null)
{
if (survivor.BuyItem(shopItem))
{
_gameRepository.Update(survivor);
return($"{survivor.DisplayName} bought the {shopItem.Name} item.");
}
return($"{survivor.Money} is not enough money to buy the {shopItem.Name} item.");
}
}
return("Please buy one of the listed items by Id.");
}
