/// <summary>
/// Gets the historic data.
/// Example:
/// XivelyData historicData = XivelyData.GetHistoricData (apiKey, feedId, "6hours", "500");
/// </summary>
/// <returns>The historic data.</returns>
/// <param name="xivelyDataApiKey">Xively data API key.</param>
/// <param name="feedId">Feed identifier.</param>
/// <param name="duration">Duration.</param>
/// <param name="limit">Limit.</param>
public static XivelyData GetHistoricData(string xivelyDataApiKey, string feedId, string duration, string limit)
{
try {
// send request to specified feedId
WebRequest request = WebRequest.Create("https://api.xively.com/v2/feeds/" + feedId + "?duration=" + duration + "&limit=" + limit + "&function=average");
// add api key, for verification
request.Headers.Add("X-ApiKey", xivelyDataApiKey);
// get response
WebResponse response = request.GetResponse();
// translate data to string
Stream rawdata = response.GetResponseStream();
StreamReader reader = new StreamReader(rawdata);
string jsonData = reader.ReadToEnd();
// translate string (JSON) into new weather info object
XivelyData data = JsonConvert.DeserializeObject <XivelyData> (jsonData);
// validation complete (no exeption)
UserSettings.CorrectKey = true;
// return data
return(data);
} catch {
UserSettings.CorrectKey = false;
return(null);
}
}
/// <summary>
/// Gets the current data.
/// Example:
/// XivelyData data = XivelyData.GetCurrentData (apiKey, feedId);
/// </summary>
/// <returns>The current data.</returns>
/// <param name="xivelyDataApiKey">Xively data API key.</param>
/// <param name="feedId">Feed identifier.</param>
public static XivelyData GetCurrentData(string xivelyDataApiKey, string feedId)
{
try {
// send request to specified feedId
WebRequest request = WebRequest.Create("https://api.xively.com/v2/feeds/" + feedId + ".json");
// debug
Console.WriteLine(xivelyDataApiKey);
// add api key, for verification
request.Headers.Add("X-ApiKey", xivelyDataApiKey);
// get response
WebResponse response = request.GetResponse();
Stream rawdata = response.GetResponseStream();
StreamReader reader = new StreamReader(rawdata);
string jsonData = reader.ReadToEnd();
// translate string (JSON) into new weather info object
XivelyData data = JsonConvert.DeserializeObject <XivelyData> (jsonData);
// sets up correct key
UserSettings.CorrectKey = true;
// return data
return(data);
} catch {
UserSettings.CorrectKey = false;
return(null);
}
}
/// <summary>
/// Retrieves the data.
/// </summary>
public void RetrieveData()
{
if (CurrentData.HistoricDataStored)
{
XivelyData newData = CurrentData.HistroicData;
if (newData.datastreams.Count < 1)
{
Console.WriteLine("Datastream Not Found");
}
else
{
for (int i = 0; i < newData.datastreams.Count; i++)
{
if (newData.datastreams [i].id == DataStreamId)
{
if (newData.datastreams [i].datapoints != null)
{
int graph_dataP = newData.datastreams [i].datapoints.Count;
_totalDataPoints = graph_dataP;
_graphData = new double[_totalDataPoints];
p1Xcoordinates = new double[_totalDataPoints];
p1Ycoordinates = new double[_totalDataPoints];
for (int j = 0; j < _totalDataPoints; j++)
{
double d;
string str = newData.datastreams [i].datapoints [j].value.ToString();
if (Double.TryParse(str, out d)) // if done, then is a number
{
_graphData [j] = Convert.ToDouble(newData.datastreams [i].datapoints [j].value);
}
// if (newData.datastreams [i].datapoints [j].value.ToString() != "nan"){
//
// _graphData [j] = Convert.ToDouble (newData.datastreams [i].datapoints [j].value);
//
// } else {
// _graphData [j] = 0;
// }
}
}
else
{
Console.WriteLine("no dataspoints");
}
}
}
}
}
}
/// <summary>
/// Collects the historic data.
/// </summary>
private static void CollectHistoric()
{
if (UserSettings.UserSetupCompleted)
{
if (!HistoricDataIsReceived)
{
HistroicData = XivelyData.GetHistoricData(UserSettings.XivelyApiKey, UserSettings.XivelyFeedId, "6hours", "500");
if (HistroicData != null)
{
HistoricDataIsReceived = true;
HistoricDataStored = true;
}
}
else
{
HistoricDataIsReceived = false;
}
}
}
/// <summary>
/// Collect the data.
/// </summary>
private static void Collect()
{
if (UserSettings.UserSetupCompleted)
{
if (!DataIsReceived)
{
Data = XivelyData.GetCurrentData(UserSettings.XivelyApiKey, UserSettings.XivelyFeedId);
if (Data != null)
{
DataIsReceived = true;
DataStored = true;
}
}
else
{
DataIsReceived = false;
}
}
}
