/// <summary>
/// Get price history for a symbol
/// https://developer.tdameritrade.com/price-history/apis/get/marketdata/%7Bsymbol%7D/pricehistory
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public async Task <string> GetPriceHistoryJson(TDPriceHistoryRequest model)
{
if (!HasConsumerKey)
{
throw (new Exception("ConsumerKey is null"));
}
var key = HttpUtility.UrlEncode(AuthResult.consumer_key);
var builder = new UriBuilder($"https://api.tdameritrade.com/v1/marketdata/{model.symbol}/pricehistory");
var query = HttpUtility.ParseQueryString(builder.Query);
if (!IsSignedIn)
{
query["apikey"] = key;
}
if (model.frequencyType.HasValue)
{
query["frequencyType"] = model.frequencyType.ToString();
query["frequency"] = model.frequency.ToString();
}
if (model.endDate.HasValue)
{
query["endDate"] = model.endDate.Value.ToString();
query["startDate"] = model.startDate.Value.ToString();
}
if (model.periodType.HasValue)
{
query["periodType"] = model.periodType.ToString();
query["period"] = model.period.ToString();
}
if (model.needExtendedHoursData.HasValue)
{
query["needExtendedHoursData"] = model.needExtendedHoursData.ToString();
}
builder.Query = query.ToString();
string url = builder.ToString();
using (var client = new HttpClient())
{
if (IsSignedIn)
{
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AuthResult.access_token);
}
var res = await client.GetAsync(url);
switch (res.StatusCode)
{
case HttpStatusCode.OK:
return(await res.Content.ReadAsStringAsync());
default:
throw (new Exception($"{res.StatusCode} {res.ReasonPhrase}"));
}
}
}
/// <summary>
/// Get price history for a symbol
/// https://developer.tdameritrade.com/price-history/apis/get/marketdata/%7Bsymbol%7D/pricehistory
/// https://developer.tdameritrade.com/content/price-history-samples
/// </summary>
public async Task <TDPriceCandle[]> GetPriceHistory(TDPriceHistoryRequest model)
{
var json = await GetPriceHistoryJson(model);
if (!IsNullOrEmpty(json))
{
var doc = JObject.Parse(json);
var inner = doc["candles"].ToObject <TDPriceCandle[]>();
return(inner);
}
return(null);
}
/// <summary>
/// Get price history for a symbol
/// https://developer.tdameritrade.com/price-history/apis/get/marketdata/%7Bsymbol%7D/pricehistory
/// </summary>
public async Task <TDPriceCandle[]> GetPriceHistory(TDPriceHistoryRequest model)
{
var json = await GetPriceHistoryJson(model);
if (!string.IsNullOrEmpty(json))
{
var doc = JsonDocument.Parse(json);
var inner = doc.RootElement.GetProperty("candles").GetRawText();
return(JsonSerializer.Deserialize <TDPriceCandle[]>(inner));
}
return(null);
}
