public async Task PriceCheck([Remainder] string itemName)
{
await Context.Message.DeleteAsync();
try
{
var request = new PriceCheckRequest(itemName);
var priceCheckResult = await _grandExchangeService.PriceCheckAsync(request);
await ReplyAsync(priceCheckResult);
}
catch (Exception ex)
{
var userMessage = $"Sorry {Context.Message.Author.Username}, I could not find the price of item {itemName}";
await HandleErrorAsync(userMessage, ex);
}
}
public async Task <PriceCheckResult> PriceCheckAsync(PriceCheckRequest request)
{
var result = new PriceCheckResult()
{
Amount = request.Amount
};
var item = _cache.Find((i) => i.Name.Equals(request.ItemName, StringComparison.OrdinalIgnoreCase));
if (item != null)
{
result.ExactMatch = await _itemDb.GetItemDetailAsync(item.Id);
if (request.Amount.HasValue)
{
result.ExactPrice = await RetrieveExactPrice(item);
}
return(result);
}
item = _cache.Find((i) => i.Name.StartsWith(request.ItemName, StringComparison.OrdinalIgnoreCase));
if (item != null)
{
result.CloseMatch = await _itemDb.GetItemDetailAsync(item.Id);
if (request.Amount.HasValue)
{
result.ExactPrice = await RetrieveExactPrice(item);
}
return(result);
}
item = _cache.Find((i) => i.Name.Contains(request.ItemName, StringComparison.OrdinalIgnoreCase));
if (item != null)
{
result.CloseMatch = await _itemDb.GetItemDetailAsync(item.Id);
if (request.Amount.HasValue)
{
result.ExactPrice = await RetrieveExactPrice(item);
}
return(result);
}
// In case of multiple words, try to find a match which contains all these words (indifferent order)
var words = request.ItemName.Split(' ').Select(i => i.Trim()).ToList();
if (words.Count > 1)
{
item = _cache.Find((i) => i.Name.Split(' ').Intersect(words, StringComparer.OrdinalIgnoreCase).Count() == words.Count);
if (item != null)
{
result.CloseMatch = await _itemDb.GetItemDetailAsync(item.Id);
if (request.Amount.HasValue)
{
result.ExactPrice = await RetrieveExactPrice(item);
}
return(result);
}
}
throw new Exception($"Item {request.ItemName} not found in cache");
}
