public async Task <Result <CointreePriceResponse> > GetCoinDataAsync(string coin)
{
try
{
bool exists = MemoryCache.TryGetValue(coin, out CointreePriceResponse coinData);
if (!exists)
{
coinData = await CointreeHttpClient.GetCointreeCoinData(coin);
MemoryCache.Set(coin, coinData, CacheExpiryOptions);
}
return(Result <CointreePriceResponse> .Success(coinData));
}
catch (HttpRequestException)
{
return(Result <CointreePriceResponse> .Failed(FaultCode.ErrorRetrievingCoinPrice));
}
catch (JsonException)
{
return(Result <CointreePriceResponse> .Failed(FaultCode.FailedToReadResponseData));
}
catch
{
return(Result <CointreePriceResponse> .Failed(FaultCode.Fail));
}
}
public CoinPriceService(CointreeHttpClient httpClient, IMemoryCache memoryCache)
{
CointreeHttpClient = httpClient;
MemoryCache = memoryCache;
CacheExpiryOptions = new MemoryCacheEntryOptions
{
AbsoluteExpiration = DateTime.Now.AddSeconds(1)
};
}
