private async Task <Degree> ParseDegree(string url, string name)
{
var content = await HttpClient.GetHtmlAsync(url);
var degreeText = content
.QuerySelectorAll(".content > form > table tr")
.SingleOrDefault(x => x.ChildNodes.Count == 1)?.InnerText;
var match = degreeText == null ? null : Regex.Match(degreeText,
@"\[(?<DegreeId>\d+)\] (?<DegreeName>[\w\s]+): \[(?<MajorId>\d+)\] (?<MajorName>[\w\s]+)");
var major = new Major
{
Id = match?.Groups["MajorId"]?.Value,
Name = match?.Groups["MajorName"]?.Value,
};
var degree = new Degree
{
Id = match?.Groups["DegreeId"]?.Value,
Name = match?.Groups["DegreeName"]?.Value,
GradingMajors = new [] { major }
};
var examRows = content.QuerySelectorAll(".content > form > table:nth-child(5) tr").Where(row =>
row.Descendants("td").Count() == 9 &&
row.Descendants("td").FirstOrDefault()?.HasClass("qis_konto") == false &&
row.Descendants("td").FirstOrDefault()?.HasClass("qis_kontoOnTop") == false);
var exams = examRows.Select(row => new ExamResult
{
Date = ParseColumnDateTime(row, 8),
Grade = ParseColumnFloat(row, 3),
Name = ParseColumnText(row, 1),
Semester = Semester.Parse(ParseColumnText(row, 2)),
Try = ParseColumnInt(row, 7),
ExamNumber = ParseColumnText(row, 0),
ExamState = ParseExamState(ParseColumnText(row, 4))
});
major.Gradings = exams.ToArray();
return(degree);
}
private static void Main(string[] args)
{
string input = null;
var baseUrl = ReadWithDefault("Please enter the base url of the LSF", "https://lsf.ovgu.de");
var semesterStr = ReadWithDefault("Please enter a semester", Semester.Current.Next().ToString());
var semester = Semester.Parse(semesterStr);
var httpClient = new LsfHttpClientImpl(baseUrl);
var client = new LsfScheduleClient(httpClient, new CalEventParser());
var builder = new ScheduleBuilder <CalSchedule, CalScheduleItem>(client,
new GenericScheduleItemFactory <CalScheduleItem>((appointment, component) => new CalScheduleItem
{
Appointment = appointment,
ScheduleComponent = component
}));
CalSchedule[] schedules = null;
var earlyCriterion = new EarlyCriterion();
var equallyDistributedAppointmentsPerDayCriterion = new EquallyDistributedAppointmentsPerDayCriterion();
var freeDaysCriterion = new FreeDaysCriterion();
var eventsOnSameAlternatingSlotCriterion = new EventsOnSameAlternatingSlotCriterion(10000);
var sameAlternatingWeekCriterion = new SameAlternatingWeekCriterion();
var noBreaksCriterion = new NoBreaksCriterion();
const string actionAddEvent = "0";
const string addCriterion = "1";
const string actionBuild = "2";
const string actionToIcal = "3";
const string actionToLsf = "4";
const string actionPrintCal = "5";
const string actionLoadFromFile = "6";
const string actionSaveFile = "7";
const string actionExit = "8";
const string actionGetLoginCookie = "9";
while (input != actionExit)
{
// Console.Clear();
Console.WriteLine(
$"{builder.EventsCount} events saved. Timetables are {(builder.IsBuild ? "" : "not ")}build");
Console.WriteLine($"[{actionAddEvent}]: Add an event");
Console.WriteLine($"[{addCriterion}]: Configure a preferences");
Console.WriteLine($"[{actionBuild}]: Build timetables");
Console.WriteLine($"[{actionToIcal}]: Export timetable to ical");
Console.WriteLine($"[{actionToLsf}]: Export timetable to lsf");
Console.WriteLine($"[{actionPrintCal}]: Print timetable to console");
Console.WriteLine($"[{actionLoadFromFile}]: Load previous configured events from file");
Console.WriteLine($"[{actionSaveFile}]: Safe configured events to file");
Console.WriteLine($"[{actionExit}]: Exit");
input = Console.ReadLine();
switch (input)
{
case actionAddEvent:
{
Console.Write("Please paste the url of the event: ");
input = Console.ReadLine();
var eventId = Regex.Match(input, @"publishid=(\d+)").Groups[1].Value;
var e = builder.AddEvent(eventId);
Console.Write(
"Does the event consist of small groups and did you already got assigned (to one or more)? [y/N]: ");
input = Console.ReadLine();
if (input.ToLower() == "y")
{
while (input.ToLower() == "y")
{
Console.Write("GroupName (usually the group number): ");
var groupName = Console.ReadLine();
e.WithFixedSmallGroup(groupName);
Console.Write("Another one? [y/N]: ");
input = Console.ReadLine();
}
break;
}
Console.Write("Do you prefer a teacher for this event? [y/N]: ");
input = Console.ReadLine();
while (input.ToLower() == "y")
{
Console.Write("Name of the person as written in the LSF: ");
input = Console.ReadLine();
var person = input;
builder.AddItemCriterion(new TeacherCriterion(person, true, eventId));
Console.Write("Prefer another one as well? [y/N]: ");
input = Console.ReadLine();
}
Console.Write("Do you want to avoid a teacher? [y/N]: ");
input = Console.ReadLine();
while (input.ToLower() == "y")
{
Console.Write("Name of the person as written in the LSF: ");
input = Console.ReadLine();
var person = input;
builder.AddItemCriterion(new TeacherCriterion(person, false, eventId));
Console.Write("Avoid another one as well? [y/N]: ");
input = Console.ReadLine();
}
break;
}
case addCriterion:
{
void AddOrRemoveCriterion(ICriterion criterion, string message)
{
var currentState = builder.HasCriterion(criterion);
Console.Write($"{message} [{(currentState ? "Y/n" : "y/N")}]: ");
input = Console.ReadLine().ToLower();
if (input == "y" && !currentState)
{
switch (criterion)
{
case IItemCriterion itemCriterion:
builder.AddItemCriterion(itemCriterion);
break;
case IScheduleCriterion scheduleCriterion:
builder.AddScheduleCriterion(scheduleCriterion);
break;
}
}
else if (input == "n" && currentState)
{
switch (criterion)
{
case IItemCriterion itemCriterion:
builder.RemoveItemCriterion(itemCriterion);
break;
case IScheduleCriterion scheduleCriterion:
builder.RemoveScheduleCriterion(scheduleCriterion);
break;
}
}
}
AddOrRemoveCriterion(earlyCriterion, "Do you prefer an early timetable?");
AddOrRemoveCriterion(equallyDistributedAppointmentsPerDayCriterion,
"Do you prefer appointments equally distributed over every day?");
AddOrRemoveCriterion(freeDaysCriterion, "Do you prefer free days?");
AddOrRemoveCriterion(eventsOnSameAlternatingSlotCriterion,
"Do you prefer filling an empty 2-Weeks event slot with an other 2-Weeks event?");
AddOrRemoveCriterion(sameAlternatingWeekCriterion,
"Do you prefer all 2-Week events to be on the same week?");
AddOrRemoveCriterion(noBreaksCriterion, "Do you prefer no breaks between you lessons?");
break;
}
case actionBuild:
{
schedules = builder.Build().Result;
break;
}
case actionToIcal:
{
if (schedules is null)
{
Console.WriteLine("Please build the schedules first.");
break;
}
Console.Write(
"How many schedules (sorted by rating) to you want to export? Leaving this empty will export only the top rated one. [1-" +
schedules.Length + "] ");
input = Console.ReadLine();
var amount = 1;
if (string.IsNullOrEmpty(input) ||
int.TryParse(input, out amount) && amount <= schedules.Length)
{
Console.Write("Please enter the output folder: ");
var folder = Console.ReadLine();
for (var i = 0; i < amount; i++)
{
var schedule = schedules[i];
var serializer = new CalendarSerializer(schedule.ToCalendar());
var ical = serializer.SerializeToString();
File.WriteAllText(Path.Combine(folder, "schedule-" + i + ".ical"), ical);
}
}
else
{
Console.WriteLine("Invalid input");
}
break;
}
case actionToLsf:
{
if (schedules is null)
{
Console.WriteLine("Please build the schedules first.");
break;
}
if (schedules.Length == 0)
{
Console.WriteLine("There are no schedules to export.");
break;
}
Console.Write("Which schedule? (Defaults to 1) [1-" + schedules.Length + "] ");
input = Console.ReadLine();
var i = 1;
if (string.IsNullOrEmpty(input) ||
int.TryParse(input, out i) && i <= schedules.Length)
{
if (!httpClient.IsAuthenticated)
{
if (!Authenticate(httpClient))
{
break;
}
}
var top = schedules[i];
httpClient.SetSemester(semester).Wait();
client.ReplaceSchedule(top.ScheduleItems.Select(x => x.ScheduleComponent).ToArray())
.Wait();
Console.WriteLine("Saved best schedule to lsf account!");
}
else
{
Console.WriteLine("Invalid input");
}
break;
}
case actionPrintCal:
{
Console.Write("Which schedule? (Defaults to 1) [1-" + schedules.Length + "] ");
input = Console.ReadLine();
var i = 1;
if (string.IsNullOrEmpty(input) ||
int.TryParse(input, out i) && i <= schedules.Length)
{
var top = schedules[i];
Console.WriteLine(new CalendarPrinter(Console.BufferWidth, FormattingStyle.Console,
top.ToCalendar()).Print());
}
else
{
Console.WriteLine("Invalid input");
}
break;
}
case actionSaveFile:
{
var path = Path.GetFullPath(Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "lsf-api",
"events.json"));
Console.Write($"Where should the file be stored? [{path}]: ");
input = Console.ReadLine();
if (!string.IsNullOrEmpty(input))
{
path = Path.GetFullPath(input);
}
Directory.CreateDirectory(Path.GetDirectoryName(path));
var state = builder.GetStateSnapshot();
File.WriteAllText(path, state);
break;
}
case actionLoadFromFile:
{
var path = Path.GetFullPath(Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "lsf-api",
"events.json"));
Console.Write($"Where should is file stored? [{path}]: ");
input = Console.ReadLine();
if (!string.IsNullOrEmpty(input))
{
path = Path.GetFullPath(input);
}
if (!File.Exists(path))
{
Console.WriteLine("The file does not exist.");
break;
}
var state = File.ReadAllText(path);
builder.LoadStateSnapshot(state);
break;
}
case actionGetLoginCookie:
{
if (!Authenticate(httpClient))
{
break;
}
var cookie = httpClient.GetLoginCookie();
Console.WriteLine(
"Here is your session cookie. Treat this as a password as anybody can access your account using this cookie until you log out of the session.");
Console.WriteLine(cookie);
break;
}
default:
{
Console.WriteLine("Unrecognized input");
break;
}
}
}
}
