public static async Task <BitcoinPriceUpdatedEvent> Run([TimerTrigger("0 */1 * * * *")] TimerInfo myTimer, ILogger log)
{
log.LogInformation($"C# Timer trigger function executed at: {DateTime.UtcNow}");
using (var httpClient = new HttpClient())
{
var request = new HttpRequestMessage(HttpMethod.Get, BitcoinApiUrl);
var response = await httpClient.SendAsync(request);
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
throw new Exception($"Request to CoinDesk failed with {response.StatusCode}");
}
var responseString = await response.Content.ReadAsStringAsync();
var bitcoinData = JsonConvert.DeserializeObject <BitcoinData>(responseString);
var result = new BitcoinPriceUpdatedEvent()
{
RateUsd = bitcoinData.Bpi["USD"].Rate_float,
Timestamp = DateTime.UtcNow
};
log.LogInformation($"{result.RateUsd}@{result.Timestamp}");
return(result);
}
}
public static async Task <BitcoinPriceInfo> Run([QueueTrigger(nameof(BitcoinPriceUpdatedEvent), Connection = "AzureWebJobsStorage")] BitcoinPriceUpdatedEvent bitcoinPriceUpdatedEvent, ILogger log)
{
log.LogInformation($"Consuming price: {bitcoinPriceUpdatedEvent.RateUsd}@{bitcoinPriceUpdatedEvent.Timestamp}");
var usdToPlnRate = await GetCurrentNbpRate();
var bitcoinPlnPrice = Decimal.Round(usdToPlnRate * bitcoinPriceUpdatedEvent.RateUsd, 2);
log.LogInformation($"Saving 1BTC = {bitcoinPlnPrice} PLN at {bitcoinPriceUpdatedEvent.Timestamp}");
var result = new BitcoinPriceInfo(bitcoinPriceUpdatedEvent.RateUsd, bitcoinPlnPrice, bitcoinPriceUpdatedEvent.Timestamp);
return(result);
}
