/// <summary>
/// Converts given ShedulePosition to datetime
/// </summary>
/// <param name="someDayOfWeek">Any day of desired week.</param>
/// <returns></returns>
public static DateTime ToDateTime(ShedulePosition input,DateTime someDayOfWeek)
{
DateTime monday = Helper.ToMonday(someDayOfWeek).AddDays(input.Day);
monday = monday.AddHours(-1.0 * monday.Hour);
monday = monday.AddMinutes(-1.0 * monday.Minute);
if (input.Hour != 0)
{
int plusminutes = 0;
monday = monday.AddMinutes((60 * 8));
for (int i = 0; i < input.Hour; i++)
{
if (i > 0)
plusminutes += 55;
if (i == 2)
plusminutes += 10;
}
monday = monday.AddMinutes(plusminutes);
}
else
{
monday = monday.AddMinutes(7 * 60.0 + 5);
}
return monday;
}
/// <summary>
/// loads data from a specific existing session
/// </summary>
/// <param name="sessionId">ASP.NET_SessionId of a logged connection</param>
/// <returns>user loaded from website</returns>
public User Load(string sessionId)
{
if (string.IsNullOrWhiteSpace(sessionId))
throw new ArgumentException("sessionId cannot be empty!");
if (isDisposed)
throw new ObjectDisposedException("API");
User user = new User();
_client.CookieContainer.GetCookies(new Uri(GradesUrl)).Add(new Cookie("ASP.NET_SessionId", sessionId));
string welcome=_client.GETRequest(CombineUrl("uvod.aspx"));
CQ welcomeHtml = welcome;//todo:reset back
string nameLabel = Helper.Decode(
Helper.RemoveStartingWhitespaces(
Helper.RemoveEndingWhitespaces(
Helper.RemoveLineBreaks(welcomeHtml[".logjmeno"][0].InnerText)
)
)
);
#region name formating
string name;
if (nameLabel.Contains(','))//remove the class name
{
name = nameLabel.Split(',')[0];
}
else
name = nameLabel;
if (name.Contains(' '))//switch name and surename to friendlier form (Smith John > John Smith)
{
user.Name = name.Split(' ')[1] + " " + name.Split(' ')[0];
}
else
user.Name = name;
#endregion
//scrapping sequence
string scheduleUrl = CombineUrl(welcomeHtml["#panelmenu > div > div:nth-child(4) > div > ul > li:nth-child(1) > a"][0]["href"]);
string gradesUrl = CombineUrl(welcomeHtml["#panelmenu > div > div:nth-child(6) > div > ul > li:nth-child(1) > a"][0]["href"]);
#region shedule scrapping
NameValueCollection scheduleData = Client.GetFieldsFromHtml(_client.DownloadString(scheduleUrl));
scheduleData.Set("hlavnimenuSI", "3i0");
scheduleData.Set("ctl00$cphmain$radiorozvrh", "stálý rozvrh");
scheduleData.Set("ctl00$cphmain$Flyrozvrh$checkucitel", "on");
scheduleData.Set("ctl00$cphmain$Flyrozvrh$checkskupina", "on");
scheduleData.Set("ctl00$cphmain$Flyrozvrh$Checkmistnost", "on");
string scheduleHtml = _client.POSTRequest(scheduleUrl, scheduleData);//this is weekly schedule HTML
user.Subjects = ParseSubjects(scheduleHtml);
#endregion
#region subjects' counts
string countsHtml = _client.GETRequest(CombineUrl("prehled.aspx?s=9"));
SetSubjectsCount(countsHtml, user.Subjects);
#endregion
#region grades
NameValueCollection gradesData = Client.GetFieldsFromHtml(_client.GETRequest(gradesUrl));
gradesData.Set("ctl00$cphmain$Checkdetail", "on");
gradesData.Set("ctl00$cphmain$Flyout2$Checktypy", "on");
gradesData.Set("ctl00$cphmain$Flyout2$Checkdatumy", "on");
gradesData.Set("ctl00$cphmain$Flyout2$Checkprumery", "on");
gradesData.Set("ctl00$cphmain$Flyout2$checkpoznamky", "on");
gradesData.Set("hlavnimenuSI", "2i0");
string gradesHtml = _client.POSTRequest(gradesUrl, gradesData);
SetGrades(gradesHtml, user);
#endregion
#region absences
//list for storing mondays of each week we know that contains absences
List<DateTime> weeklyAbsences = new List<DateTime>();
/*
idea of monthly checks:
it's not necessary to check every week in semester,
when most of them should be empty. We'll save the weeks,
which weren't empty and look up the absences
note: this is slower for ppl with a lots of absences, but it's their problem, right?
*/
#region mothly checks
//do not touch, optimisation is probably impossible! very fragile!
#region getting the right values for monthly checks
NameValueCollection absenceData = Client.GetFieldsFromHtml(_client.GETRequest(CombineUrl("prehled.aspx?s=3")));
absenceData.Set("ctl00$cphmain$listdobaoml", "zadané období");
absenceData.Set("ctl00$cphmain$listjakoml", "seznam");
absenceData = Client.GetFieldsFromHtml(
_client.POSTRequest(CombineUrl("prehled.aspx?s=3"), absenceData));
absenceData.Set("ctl00$cphmain$listabsencedo", "daný měsíc");
absenceData.Set("ctl00$cphmain$listdobaoml", "zadané období");
absenceData.Set("ctl00$cphmain$listjakoml", "seznam");
#endregion
//go through every month in semester and find weeks with absences
foreach (DateTime monthDate in _absenceMonths)
{
string unixTime = Helper.ToUnixtime(monthDate).ToString() + "000";
absenceData.Set("cphmain_listabsenceod_Raw", unixTime);
CQ monthlyAbsenceHtml = _client.POSTRequest(CombineUrl("prehled.aspx?s=3"), absenceData);
CQ rows = monthlyAbsenceHtml[".omlseztab > tbody> tr.omlsezbody"];
string table = monthlyAbsenceHtml.RenderSelection();
for (int r = 0; r < rows.Length; r++)//go through each row of table. table represents month's days
{
CQ cells = ((CQ)rows[r].InnerHTML)["td"];//row cells
for (int i = 0; i < cells.Length; i++)
{
if (i == 0)//first cell with date, we know the date from "r" and "date"
continue;
else if (i == 1)//shortened day of week, e.g. "po", "út"...
continue;
string cell = cells[i].InnerText;
if (string.IsNullOrWhiteSpace(cell))
continue;//no absence for this cell
//now we know there's an absence
DateTime mondayOfCheckedWeek =
Helper.ToMonday(new DateTime(monthDate.Year, monthDate.Month, r + 1));
bool contains = weeklyAbsences.Contains(mondayOfCheckedWeek);
if (!contains)
weeklyAbsences.Add(mondayOfCheckedWeek);//we'll check this week later
break;
}
}
}
#endregion
#region weekly checks
//look up every week we know that contains absences and save 'em
NameValueCollection weeklyAbsenceData =
Client.GetFieldsFromHtml(_client.GETRequest(CombineUrl("prehled.aspx?s=3")));
weeklyAbsenceData.Set("ctl00$cphmain$Flyoutoml$Checkomlpredmety", "on");
weeklyAbsenceData.Set("ctl00$cphmain$listdobaoml", "zadané období");
weeklyAbsenceData.Set("ctl00$cphmain$listjakoml", "tabulka");
weeklyAbsenceData = Client.GetFieldsFromHtml(
_client.POSTRequest(CombineUrl("prehled.aspx?s=3"), weeklyAbsenceData));
weeklyAbsenceData.Set("ctl00$cphmain$listabsencedo", "daný týden");
weeklyAbsenceData.Set("ctl00$cphmain$Flyoutoml$Checkomlpredmety", "on");
weeklyAbsenceData.Set("ctl00$cphmain$listdobaoml", "zadané období");
weeklyAbsenceData.Set("ctl00$cphmain$listjakoml", "tabulka");
foreach (DateTime weekDate in weeklyAbsences)
{
string unix = Helper.ToUnixtime(weekDate).ToString() + "000";
weeklyAbsenceData.Set("cphmain_listabsenceod_Raw", unix);
CQ weeklyAbsencesHtml = _client.POSTRequest(CombineUrl("prehled.aspx?s=3"), weeklyAbsenceData);
//select even rows with subject's name inside
CQ s_rows = weeklyAbsencesHtml["#trozvrh > table > tbody > tr:nth-child(even)"];
//select odd rows with images to find out the absence's type
CQ i_rows = weeklyAbsencesHtml["#trozvrh > table > tbody > tr:nth-child(odd)"];
for (int row = 0; row < 5; row++)
{
for (int col = 0; col < 15; col++)
{
//the cell with possible name of subject
IDomObject s_cell=Cq(s_rows[row + 1])["td"][col];
//name of subject for abs, long
string subjName = s_cell.HasAttribute("title") ? s_cell["title"] : null;
if (!string.IsNullOrWhiteSpace(subjName))//there's an absence
{
//the source of image
IDomObject i_cell = Cq(i_rows[row + 1])["td"][col+1];
IDomObject img = Cq(i_cell)["img"][0];
string imgSrc = img["src"];
Absence.EType absType;//type of current absence
if (imgSrc.Contains("wAbOk.gif"))
absType = Absence.EType.Execused;
else if (imgSrc.Contains("wAbsent.gif"))
absType = Absence.EType.YetUnexecused;
else if (imgSrc.Contains("wAbMiss.gif"))
absType = Absence.EType.Unexecused;
else if (imgSrc.Contains("wAbSoon.gif"))
absType = Absence.EType.Early;
else if (imgSrc.Contains("wAbLate.gif"))
absType = Absence.EType.Late;
else
absType = Absence.EType.Uncountable;
ShedulePosition pos = new ShedulePosition(row, col);
Absence newAbsence = new Absence
{
Type = absType,
Time = ShedulePosition.ToDateTime(pos, weekDate)
};
var query = from q in user.Subjects
where q.Info.LongName == subjName
select q.Absences;
if (query.Any())
{
query.First().Add(newAbsence);
}
else
Debug.WriteLine("no matching subject found for '" + subjName + "'");
}
}
}
}
weeklyAbsenceData.Set("cphmain_listabsenceod_Raw", "");
#endregion
#endregion
return user;
}
public static ShedulePosition FromDatetime(DateTime input)
{
ShedulePosition res = new ShedulePosition();
int days;
switch (input.DayOfWeek)
{
case DayOfWeek.Monday: days = 0;
break;
case DayOfWeek.Tuesday: days = 1;
break;
case DayOfWeek.Wednesday: days = 2;
break;
case DayOfWeek.Thursday: days = 3;
break;
case DayOfWeek.Friday: days = 4;
break;
case DayOfWeek.Saturday: days = 5;
break;
case DayOfWeek.Sunday: days = 6;
break;
default: days = 0;
break;
}
int hour = 0;
DateTime dayZeroHour = new DateTime(input.Year, input.Month, input.Day, 7, 5, 0);
for (int i = 0; i < 15; i++)
{
int plusMinutes = i * 55;
if (i >= 2)
plusMinutes += 10;
if (input >= dayZeroHour.AddMinutes(plusMinutes) && input < dayZeroHour.AddMinutes(plusMinutes + 45))
{
hour = i;
}
if (input.Hour == 8 && input.Minute == 55)
{
hour = 2;
break;
}
}
res.Hour = hour;
res.Day = days;
return res;
}
