public void DeserializeStockPriceResponse()
{
var serializer = new RestClientSerializer();
var id = Guid.NewGuid();
var json = "{\"id\":\"" + id + "\","
+ "\"asxCode\":\"ABC\","
+ "\"name\":\"ABC Pty Ltd\","
+ "\"closingPrices\":["
+ "{\"date\":\"2000-01-02\",\"price\":12.00},"
+ "{\"date\":\"2000-01-03\",\"price\":13.00}"
+ "]}";
var command = serializer.Deserialize <StockPriceResponse>(json);
var expected = new StockPriceResponse()
{
Id = id,
AsxCode = "ABC",
Name = "ABC Pty Ltd"
};
expected.AddClosingPrice(new Date(2000, 01, 02), 12.00m);
expected.AddClosingPrice(new Date(2000, 01, 03), 13.00m);
command.Should().BeEquivalentTo(expected);
}
public static StockPriceResponse ToPriceResponse(this Stock stock, DateRange dateRange)
{
var stockProperties = stock.Properties.ClosestTo(dateRange.ToDate);
var result = new StockPriceResponse()
{
Id = stock.Id,
AsxCode = stockProperties.AsxCode,
Name = stockProperties.Name
};
foreach (var price in stock.GetPrices(dateRange))
{
result.AddClosingPrice(price.Date, price.Price);
}
return(result);
}
/// <summary>
/// Request the share price for the supplied symbol from the yahoo API
/// </summary>
/// <param name="symbol">The symbol for which to search</param>
/// <returns>An object that contains the market price, update time and currency</returns>
private static StockPriceResponse RequestSharePrice(string symbol)
{
// Construct the URL
var url = "https://query1.finance.yahoo.com/v8/finance/chart/" + symbol + "?interval=1d&range=1d";
// Create the WebRequest object to send to the URL
var req = WebRequest.Create(url);
req.ContentType = "application/json; charset=utf-8";
req.Method = "GET";
// Retrieve the response from the request, if null, return null
var responseSteam = req.GetResponse().GetResponseStream();
if (responseSteam == null)
{
return(null);
}
// Read the response stream and store a trimmed version
var sr = new StreamReader(responseSteam);
var response = sr.ReadToEnd().Trim();
// Access the relevant fields from the JSON response (the current market price, currency and updated time)
var rootObject = JObject.Parse(response);
var metaObject = rootObject["chart"]?["result"]?[0]?["meta"];
var regularMarketPriceStr = metaObject?["regularMarketPrice"]?.ToString();
var regularMarketTimeStr = metaObject?["regularMarketTime"]?.ToString();
var stockCurrency = metaObject?["currency"]?.ToString();
var regularMarketPrice = double.Parse(regularMarketPriceStr ?? string.Empty);
var regularMarketTime = DateTimeOffset.FromUnixTimeSeconds(Convert.ToInt64(regularMarketTimeStr)).DateTime;
// Construct the response object and return
var stockPriceResponse = new StockPriceResponse
{
StockPrice = regularMarketPrice,
StockCurrency = stockCurrency,
StockPriceTime = regularMarketTime,
};
return(stockPriceResponse);
}
public async Task GetPrices()
{
var mockRepository = new MockRepository(MockBehavior.Strict);
var stock = new StockPriceResponse()
{
Id = Guid.NewGuid(), AsxCode = "ABC"
};
var messageHandler = mockRepository.Create <IRestClientMessageHandler>();
messageHandler.Setup(x => x.GetAsync <StockPriceResponse>(It.Is <string>(x => x == "stocks/" + stock.Id + "/closingprices?fromdate=2000-01-02&todate=2010-05-06")))
.Returns(Task <StockPriceResponse> .FromResult(stock))
.Verifiable();
var resource = new StockResource(messageHandler.Object);
var result = await resource.GetPrices(stock.Id, new DateRange(new Date(2000, 01, 02), new Date(2010, 05, 06)));
result.Should().BeEquivalentTo(stock);
mockRepository.Verify();
}
