/// <summary>
/// The query data.
/// </summary>
/// <param name="request">
/// The request.
/// </param>
/// <param name="progressChangedHandler">
/// The progress changed handler.
/// </param>
/// <returns>
/// The <see cref="DataRequestResult"/>.
/// </returns>
public override DataRequestResult QueryData(FlightFareRequest request, JourneyProgressChangedEventHandler progressChangedHandler)
{
byte[] postData = this._generator.GeneratePOSTData(request);
var httpRequest = (this._request_ + "1").GetRequest("POST");
httpRequest.CookieContainer = new CookieContainer();
httpRequest.Referer = this._root_;
httpRequest.ContentLength = postData.Length;
Stream stream = httpRequest.GetRequestStream();
stream.Write(postData, 0, postData.Length);
stream.Close();
string tokenId = null;
string requestId = null;
using (var response = (HttpWebResponse)httpRequest.GetResponse())
{
string waitUri = response.ResponseUri.ToString();
requestId = this.GetTicketId(response);
response.Close();
if (string.IsNullOrEmpty(requestId))
{
return new DataRequestResult(DataRequestState.Failed, null);
}
var match = Regex.Match(waitUri, @"\?" + this._cookie_ + @"\=(?<id>.+?)\&", RegexOptions.IgnoreCase);
if (match.Success)
{
tokenId = match.Groups["id"].Value;
}
else
{
var cookies = response.Cookies;
foreach (Cookie c in cookies)
{
if (c.Name == this._cookie_)
{
tokenId = c.Value;
break;
}
}
}
}
DataRequestResult requestResult;
do
{
requestResult = this.GetResult(requestId, tokenId, request);
}
while (requestResult.RequestState == DataRequestState.Pending || requestResult.RequestState == DataRequestState.Requested);
return requestResult;
}
/// <summary>
/// The generate post data.
/// </summary>
/// <param name="request">
/// The request.
/// </param>
/// <returns>
/// The <see cref="byte[]"/>.
/// </returns>
public byte[] GeneratePOSTData(FlightFareRequest request)
{
DateTime retDate = request.IsRoundTrip ? request.ReturnDate : request.DepartureDate.AddDays(7);
string dataStr = "fly_radio_route_selection=" + (request.IsRoundTrip ? "both" : "oneway") + "&text_fly_from="
+ this.Encode(request.Departure.IATA) + "&text_fly_to=" + this.Encode(request.Destination.IATA) + "&cal_pickdate1="
+ request.DepartureDate.ToString("ddd+d.M.yyyy", FI_CULTURE) + "&cal_pickdate2="
+ retDate.ToString("ddd+d.M.yyyy", FI_CULTURE) + "&fly_select_passengers_adults=1" + "&fly_select_passengers_children=0"
+ "&fly_age_select_1=&fly_age_select_2=&fly_age_select_3=&fly_age_select_4=&fly_age_select_5=" + "&from_IATA="
+ "&to_IATA=" + "&search_type=01_flights&submit=Hae+lennot";
return Encoding.UTF8.GetBytes(dataStr);
}
/// <summary>
/// The get result.
/// </summary>
/// <param name="requestId">The request identifier.</param>
/// <param name="requestToken">The request token.</param>
/// <param name="request">The request.</param>
/// <returns>
/// The <see cref="DataRequestResult" />.
/// </returns>
private DataRequestResult GetResult(string requestId, string requestToken, FlightFareRequest request)
{
TravelRoute result = null;
var cookies = new CookieContainer();
var cookie = new Cookie(this._cookie_, requestToken) { Domain = this._domain_ };
cookies.Add(cookie);
for (var i = 0; i < 4; i++)
{
var requestUrl = string.Format(this._intermediateResult_, requestId, i);
using(requestUrl.GetResponse("GET", cookies, this._resultReferal_)){}
}
var resultUrl = string.Format(this._result_, requestId);
using (var response = resultUrl.GetResponse("GET", cookies, this._resultReferal_))
{
using (var dataStream = response.GetResponseStream())
{
if (dataStream != null)
{
var parser = this.GetParser(request);
var dataResult = parser.ParseWebArchive(dataStream, response.GetEncoding());
if (dataResult.ResultState == DataResult.NotReady)
{
return new DataRequestResult(DataRequestState.Pending, dataResult.ResultRoute);
// Data is not yet ready, return the current RequestState
}
result = dataResult.ResultRoute;
dataStream.Close();
}
}
}
var newState = result == null
? DataRequestState.Failed
: (result.Journeys.Count < 1 || result.Journeys[0].Data.Count < 1 ? DataRequestState.NoData : DataRequestState.Ok);
return new DataRequestResult(newState, result);
}
/// <summary>
/// The get parser.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// The <see cref="MatrixDataParser" />.
/// </returns>
private MatrixDataParser GetParser(FlightFareRequest request)
{
var parser = new MatrixDataParser(this._root_, this.Config.MaxFlightsPerAirline, this.Config.MaxAirlineCount, 1)
{
Departure = request.Departure,
Destination = request.Destination
};
return parser;
}
/// <summary>
/// Check if two requests are similar (same location and same travel time)
/// </summary>
/// <param name="other">
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
public bool IsSame(FlightFareRequest other)
{
bool result;
if (other == null)
{
result = false;
}
else
{
if (result = string.Equals(this.Departure.IATA, other.Departure.IATA, StringComparison.OrdinalIgnoreCase))
{
if (result = string.Equals(this.Destination.IATA, other.Destination.IATA, StringComparison.OrdinalIgnoreCase))
{
if (result = this.DepartureDate == other.DepartureDate)
{
result = this.ReturnDate == other.ReturnDate;
}
}
}
}
return result;
}
/// <summary>
/// The do request data.
/// </summary>
/// <param name="request">
/// The request.
/// </param>
private void DoRequestData(FlightFareRequest request)
{
if (!Monitor.TryEnter(this._syncObject))
{
return;
}
try
{
this.IsStopping = false;
if (this.IsDestructed() || this.IsStopping)
{
return;
}
// First, reset all data
this.Reset();
var reqName = StringUtil.GetPeriodString(request.DepartureDate, request.ReturnDate);
this.lvFlightData.SafeInvoke(
new Action(
() =>
{
this.lvFlightData.Name = reqName;
this.lvFlightData.SetWatermark("Requesting data... Please wait...");
}));
// Create a thread to get the data
DataRequestResult dataRequestResult = DataRequestResult.Empty;
var workResult = BackgroundThread.DoWork(
() =>
{
this.lvFlightData.SetWatermark(
"Data request was started on " + DateTime.Now + Environment.NewLine
+ "Please wait while the application retrieves fare data...");
this.RequestState = DataRequestState.Requested;
this.LastRequestStartedDate = DateTime.Now;
dataRequestResult = this.DataHandler.QueryData(request, this.OnProgressChanged);
},
this.TimeoutInSeconds,
reqName,
AppContext.Logger);
if (workResult.Succeeded)
{
this.RequestState = dataRequestResult.ResultRoute == null ? DataRequestState.NoData : DataRequestState.Ok;
}
else
{
this.RequestState = DataRequestState.Failed;
if (workResult.IsTimedout)
{
string err = "Request timed out after " + this.TimeoutInSeconds + "s";
this.LastException = new TimeoutException(err);
this.Logger.ErrorFormat(err);
}
else if (workResult.Exception != null)
{
this.LastException = workResult.Exception;
this.Logger.Error("Failed to request journey data: " + workResult.Exception.Message);
}
}
this.RequestState = dataRequestResult.RequestState;
this._lastRetrievedRoute = dataRequestResult.ResultRoute;
if (this.RequestState > DataRequestState.Requested)
{
this.LastDataDate = DateTime.Now;
if (this._lastRetrievedRoute != null && this._lastRetrievedRoute.Journeys.Count > 0)
{
foreach (var j in this._lastRetrievedRoute.Journeys)
{
foreach (var d in j.Data)
{
if (d.DataDate.IsUndefined())
{
d.DataDate = this.LastDataDate;
}
}
}
}
}
}
catch (Exception ex)
{
this.LastException = ex;
this.RequestState = DataRequestState.Failed;
this.Logger.Error("Failed to request data: " + ex);
}
finally
{
Monitor.Exit(this._syncObject); // Release the lock at the end
this.OnGetJourneyCompleted(new JourneyEventArgs(this.LastRetrievedRoute, this.RequestState, this.LastRequestInitiatedDate));
this.IsStopping = false;
}
}
/// <summary>
/// The request data async.
/// </summary>
/// <param name="request">
/// The request.
/// </param>
/// <returns>
/// The <see cref="TravelRoute"/>.
/// </returns>
public TravelRoute RequestDataAsync(FlightFareRequest request)
{
ThreadPool.QueueUserWorkItem(
o =>
{
AppUtil.NameCurrentThread(this.GetType().Name + "-RequestDataAsync");
this.DoRequestData(request);
});
return this.LastRetrievedRoute;
}
/// <summary> /// Query fare data asynchronously /// </summary> /// <param name="request"> /// </param> /// <param name="progressChangedHandler"> /// The progress Changed Handler. /// </param> /// <returns> /// The <see cref="DataRequestResult"/>. /// </returns> public abstract DataRequestResult QueryData(FlightFareRequest request, JourneyProgressChangedEventHandler progressChangedHandler);
/// <summary>
/// Initializes a new instance of the <see cref="JourneyProgressChangedEventArgs"/> class.
/// </summary>
/// <param name="percentage">
/// The percentage.
/// </param>
/// <param name="resultRoute">
/// The result route.
/// </param>
/// <param name="request">
/// The request.
/// </param>
/// <param name="stateObj">
/// The state obj.
/// </param>
public JourneyProgressChangedEventArgs(int percentage, TravelRoute resultRoute, FlightFareRequest request, object stateObj)
: base(percentage, stateObj)
{
this.ResultRoute = resultRoute;
this.Request = request;
}
