public Train getPreviousTrain(Train t)
{
String depart = t.depart;
String arrive = t.arrive;
int arrivalTimeMinutes = t.arrivalTimeMinutes;
DataRow[] options = orariTable.Select("depart = '" + depart + "' AND arrive = '" + arrive + "' AND arrivalTimeMinutes < " + arrivalTimeMinutes.ToString());
int eBrake = 0;
int nextTime = arrivalTimeMinutes;
while (options.Length == 0) // Spero che quando non ci sono treni adeguati che ritorna null, invece di un array vuoto....
{
eBrake = eBrake + 1;
Console.WriteLine("next time was: " + nextTime.ToString());
nextTime = nextTime - (10 * eBrake);
getTrainTimes(depart, arrive, day, FUNCS.minutesToTimeString(nextTime));
Console.WriteLine("next time is: " + nextTime.ToString());
options = orariTable.Select("depart = '" + depart + "' AND arrive = '" + arrive + "' AND arrivalTimeMinutes < " + arrivalTimeMinutes.ToString());
if (eBrake > 6 || nextTime < 1)
{
//getTrainTimes(depart, arrive, day, FUNCS.minutesToTimeString(nextTime));
return null;
}
}
// Return last train.
DataRow choice = options[options.Length-1];
return new Train(choice["depart"].ToString(), choice["arrive"].ToString(), choice["date"].ToString(), Int32.Parse(choice["trainNumber"].ToString()), Int32.Parse(choice["timeMinutes"].ToString()), Int32.Parse(choice["arrivalTimeMinutes"].ToString()), Int32.Parse(choice["durationMinutes"].ToString()), Int32.Parse(choice["costEuro"].ToString()), Int32.Parse(choice["type"].ToString()));
}
// Will add to the DB, returning an int 0 based on success, an error code otherwise.
public int getTrainTimes(String departure, String arrival, String date, String time)
{
if (departure.Equals(arrival))
{
return -1;
}
Console.WriteLine(departure + ", " + arrival + ", " + date + ", " + time);
// Return object:
//String[][] times = new string[10][]; // Makes space for 10 solutions of 2 times each.
/***
* Info we want to add to DB
*
* 1) Station of Departure
* 2) Station of Arrival
* 3) Time of Departure
* 4) Time of Arrival
* 5) Date of trip
* 6) Trip duration (why not)
* 7) Train number
* 8) Train type
* 9) Ticket Cost
*
**/
String stationD = validateStation(departure);
String stationA = validateStation(arrival);
// Stations were wrong. Return an error code.
if ((stationD.Equals("error") || stationA.Equals("error")) == true)
{
return ERROR.INVALID_STATION;
}
int timeD = 0; // minutes from midnight
int timeA = 0; // minutes from midnight
String dateT; // mm-dd-yyyy format string
int duration; // minutes
int trainNum;
int trainType; // Comes from TRAIN_TYPES class constant. See below.
int trainCost;
Dictionary<String, String> postArgs = new Dictionary<string, string>(){
{"url_desktop", "https://www.lefrecce.it/B2CWeb/searchExternal.do?parameter=initBaseSearch&lang=it"},
{"url_mobile", "https://www.lefrecce.it/B2CWeb/searchExternal.do?parameter=initBaseSearch&lang=it"},
{"tripType", "on"},
{"isRoundTrip", "false"},
{"departureStation", "Milano Centrale"},
{"arrivalStation", "Torino Porta Susa"},
{"departureDate", "06-06-2015"},
{"returnDate", "06-06-2015"},
{"ynFlexibleDates", "off"},
{"selectedTrainType", "tutti"},
{"selectedTrainClassifications", ""}
};
postArgs["departureStation"] = departure;
postArgs["arrivalStation"] = arrival;
postArgs["departureDate"] = date;
postArgs["departureTime"] = FUNCS.twoDigitHour(time).Split(new char[]{':'})[0];
string post_data = createPostDataString(postArgs);
//Console.WriteLine(post_data);
string uri = "https://www.lefrecce.it/B2CWeb/searchExternal.do?parameter=initBaseSearch&lang=it";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.KeepAlive = false;
request.ProtocolVersion = HttpVersion.Version10;
request.Method = "POST";
//request.AllowAutoRedirect = false;
request.CookieContainer = new CookieContainer(); // Handles the redirects, etc.
byte[] postBytes = Encoding.ASCII.GetBytes(post_data);
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(postBytes, 0, postBytes.Length);
requestStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
String html = new StreamReader(response.GetResponseStream()).ReadToEnd();
//Console.WriteLine(html);
HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(html);
var root = htmlDoc.DocumentNode;
int counterSR = 0;
int counterT = 0;
#region parseResponse
#region checkForDateChange
List<String> train_dates = new List<String>();
String currentDay = date;
Regex dateRegex = new Regex(@"\d\d\-\d\d-\d\d\d\d");
foreach (HtmlNode n in root.SelectNodes("//*[contains(@class, 'panel')]/div"))
{
String id = n.GetAttributeValue("id","false");
if (id.Substring(0, id.Length - 1).Equals("travelSolution"))
{
// it's a solutionRow, we need to add its date to the train_dates.
train_dates.Add(currentDay.ToString());
}
else if (id.Equals("separator"))
{
// it's a new date. use the one listed.
currentDay = n.SelectSingleNode(".//table/thead/tr/th").InnerText.Trim();
Console.WriteLine("changed current date to....");
}
}
// At this point, train_dates should be a list of dates corresponding to each solution row, so we can add each solutions date to the db.
#endregion
int solutionNumber = 0;
foreach (HtmlNode node in root.SelectNodes("//*[contains(@class,'solutionRow')]"))
{
String[] currentTime = new string[2];
//Console.WriteLine("Solution " + counterSR.ToString());
// Get the times:
foreach (HtmlNode node2 in node.SelectNodes(".//td/div/span[contains(@class, 'time')]"))
{
string thisTime = node2.InnerHtml.Trim();
if (counterT % 2 == 0)
{
//Console.WriteLine("Depart: " + thisTime);
//currentTime[0] = thisTime;
timeD = FUNCS.timeStringToMinutes(thisTime);
}
else
{
//Console.WriteLine("Arrive: " + thisTime);
//currentTime[1] = thisTime;
timeA = FUNCS.timeStringToMinutes(thisTime);
}
counterT++;
}
duration = timeA - timeD;
// Wait, I don't need this... I just calculate it from my own times. Done above.
/*
// Get the duration:
counterT = 0;
foreach (HtmlNode node2 in node.SelectNodes(".//td/div/span[contains(@class, 'bottom')]"))
{
string thisStation = node2.InnerHtml.Trim();
if (counterT % 2 == 0)
{
Console.WriteLine("Depart: " + thisStation);
//currentTime[0] = thisTime;
timeD = FUNCS.timeStringToMinutes(thisStation);
}
else
{
Console.WriteLine("Arrive: " + thisStation);
//currentTime[1] = thisTime;
timeA = FUNCS.timeStringToMinutes(thisStation);
}
counterT++;
}*/
// Get the Type/Number:
String descT = node.SelectNodes(".//td/div/div/div[contains(@class, 'descr')]")[0].InnerText;//.Split(new char[] { ' ' });
//String trainTypeName = desc[0];
Regex descRX = new Regex(@"[^\t\r\n\v\f]+"); // Will grab everything that's not whitespace...
String[] desc = descRX.Matches(descT).Cast<Match>().Select(m => m.Value).ToArray();
String trainTypeName = desc[0];
trainType = FUNCS.getTrainTypeCode(trainTypeName);
if (trainTypeName == "Autobus")
{
trainNum = -11;
}
else
{
if (desc[1].Equals("Urb"))
{
desc[1] = "0";
}
trainNum = Int32.Parse(desc[1]);
}
// Get the Cost:
try
{
String costString = node.SelectNodes(".//td/span/div/span[contains(@class, 'price')]")[0].InnerText;
Regex costRX = new Regex(@"[0-9]+");
String cx = costRX.Matches(costString).Cast<Match>().Select(m => m.Value).ToArray()[0];
String cy = cx.Replace(",", ".");
trainCost = Int32.Parse(cy);
}
catch (Exception)
{
trainCost = -1;
}
#endregion parseResponse
//times[counterSR] = (String[])currentTime.Clone();
// Here we add what we've gotten from the node to the DB, if valid.
DataRow currentSolution = orariTable.NewRow();
currentSolution["depart"] = stationD;
currentSolution["arrive"] = stationA;
currentSolution["trainNumber"] = trainNum;
currentSolution["date"] = train_dates[solutionNumber++];
currentSolution["timeMinutes"] = timeD;
currentSolution["durationMinutes"] = duration;
currentSolution["arrivalTimeMinutes"] = timeA;
currentSolution["costEuro"] = trainCost;
currentSolution["type"] = trainType;
try
{
if (trainNum != -11) // if it's not a bus.
{
orariTable.Rows.Add(currentSolution);
}
}
catch (ConstraintException e)
{
Console.WriteLine(currentSolution["trainNumber"]);
DataRow choice = orariTable.Select("trainNumber = " + currentSolution["trainNumber"].ToString())[0];
Train error = new Train(choice["depart"].ToString(), choice["arrive"].ToString(), choice["date"].ToString(), Int32.Parse(choice["trainNumber"].ToString()), Int32.Parse(choice["timeMinutes"].ToString()), Int32.Parse(choice["arrivalTimeMinutes"].ToString()), Int32.Parse(choice["durationMinutes"].ToString()), Int32.Parse(choice["costEuro"].ToString()), Int32.Parse(choice["type"].ToString()));
if (error.depart.Equals("Firenze S. M. Novella") && error.arrive.Equals("Milano Centrale"))
{
bool breaker = true;
}
}
counterSR++;
}
Console.WriteLine("We got " + counterT.ToString() + " times in " + counterSR.ToString() + " solutions.");
return 0;
}
// Does the exact same thing as fillLeg, but not for every companion. Called by fillLeg.
public int setLeg(Train t)
{
bool skippy = false;
if (t == null)
{
skippy = true;
t = new Train("nowhere", "here", "mai", -1, -1, -1, -1, -1, -1); // We've got to do something... I suppose there are better ways to do this, but...
}
String d = t.depart;
String a = t.arrive;
for (int i = 0; i < legs.Length; i++)
{
if (legs[i].depart.Equals(d) && legs[i].arrive.Equals(a))
{
legs[i].train = t;
legs[i].time_start = t.timeMinutes;
legs[i].time_end = t.arrivalTimeMinutes;
if (i > 0 && ((legs[i].time_start < legs[i - 1].time_end + manager.minLayover) && legs[i].date.Equals(legs[i-1].date)) && !skippy)
{
legs[i].conflict_before = true;
legs[i - 1].conflict_after = true;
}
else
{
if (i > 0)
{
legs[i].conflict_before = false;
legs[i - 1].conflict_after = false;
}
}
if (i < legs.Length - 1 && ((legs[i].time_end > legs[i + 1].time_start - manager.minLayover) && legs[i].date.Equals(legs[i+1].date)))
{
legs[i].conflict_after = true;
legs[i + 1].conflict_before = true;
}
else
{
if (i < legs.Length - 1)
{
legs[i].conflict_after = false;
legs[i + 1].conflict_before = false;
}
}
return i;
}
else if (legs[i].depart.Equals(d) && legs[i].arrive.Equals(a) && skippy)
{
legs[i].skip = skippy; // We don't know how to get answer for this train, skip it.
legs[i].train = null;
}
else
{
//Console.WriteLine("this comp has no such train!!");
}
}
return -1;
}
public int fillLeg(Train t)
{
bool skippy = false;
if (t == null)
{
skippy = true;
t = new Train("nowhere", "here", "mai", -1, -1, -1, -1, -1, -1); // We've got to do something... I suppose there are better ways to do this, but...
}
String d = t.depart;
String a = t.arrive;
int index = new int();
for (int i = 0; i < legs.Length; i++)
{
if (legs[i].depart.Equals(d) && legs[i].arrive.Equals(a) && !skippy)
{
legs[i].train = t;
legs[i].time_start = t.timeMinutes;
legs[i].time_end = t.arrivalTimeMinutes;
if (i > 0 && ((legs[i].time_start < legs[i - 1].time_end + manager.minLayover)&&(legs[i].date.Equals(legs[i-1].date))))
{
legs[i].conflict_before = true;
legs[i - 1].conflict_after = true;
}
else
{
if (i > 0)
{
legs[i].conflict_before = false;
legs[i - 1].conflict_after = false;
}
}
if (i < legs.Length - 1 && ((legs[i].time_end > legs[i + 1].time_start - manager.minLayover)&&(legs[i].date.Equals(legs[i+1].date))))
{
legs[i].conflict_after = true;
legs[i + 1].conflict_before = true;
}
else
{
if (i < legs.Length - 1)
{
legs[i].conflict_after = false;
legs[i + 1].conflict_before = false;
}
}
index = i;
break;
}
else if (legs[i].depart.Equals(d) && legs[i].arrive.Equals(a) && skippy)
{
legs[i].skip = skippy; // We don't know how to get answer for this train, skip it.
legs[i].train = null;
}
else
{
//Console.WriteLine("This comp has no such train!");
}
}
// Different from setLeg
String[] cs = legs[index].comps;
foreach (string c in cs){
Missionary thisComp = manager.getMissionaryByName(c);
if (thisComp != null)
{
thisComp.setLeg(t);
}
}
return -1;
}
public void setTrain(Train train)
{
this.train = train;
}
public Schedule(Train train, int id, Route route)
{
this.route = route;
this.id = id;
this.train = train;
}
public Schedule()
{
route = new Route();
train = new Train();
id = 0;
}