public static async Task <CourseDetail> GetCourseDetail(string courseId)
{
var url = "https://aps.ntut.edu.tw/course/tw/Select.jsp";
var parameters = new Dictionary <string, object>()
{
{ "code", courseId }, { "format", -1 }
};
var response = await Request(url, "POST", parameters);
string responseString = await ConvertStreamToString(await response.Content.ReadAsStreamAsync(), true);
response.Dispose();
if (responseString.Contains("《尚未登錄入口網站》 或 《應用系統連線已逾時》"))
{
throw new SessionExpiredException();
}
return(CourseDetail.Parse(responseString));
}
private void ApplyCourseDetail(CourseDetail detail)
{
courseNameTextBlock.Text = detail.Name;
string teachersText = "";
string classesText = "";
string classRoomsText = "";
for (int i = 0, count = detail.Teachers.Count; i < count; i++)
{
teachersText += detail.Teachers[i] + (i == count - 1 ? "" : "、");
}
for (int i = 0, count = detail.Classes.Count; i < count; i++)
{
classesText += detail.Classes[i] + (i == count - 1 ? "" : "、");
}
for (int i = 0, count = detail.ClassRooms.Count; i < count; i++)
{
classRoomsText += detail.ClassRooms[i] + (i == count - 1 ? "" : "、");
}
var detailText = string.Format(
"課號:\t\t{0}\n" +
"名稱:\t\t{1}\n" +
"學分:\t\t{2}\n" +
"時數:\t\t{3}\n" +
"類型:\t\t{4}\n" +
"授課教師:\t{5}\n" +
"開課班級:\t{6}\n" +
"上課教室:\t{7}\n" +
"修課人數:\t{8}\n" +
"徹選人數:\t{9}\n\n" +
"{10}",
detail.CourseId, detail.Name, detail.Credits, detail.Hours, detail.Type, teachersText, classesText, classRoomsText, detail.PeopleCount, detail.QuitPeopleCount, detail.Note);
detailTextBlock.Text = detailText;
for (int i = 0, count = detail.Students.Count; i < count; i++)
{
var student = detail.Students[i];
var margin = new Thickness(10, 10, 10, 10);
TextBlock classTextBlock = new TextBlock();
TextBlock idTextBlock = new TextBlock();
TextBlock nameTextBlock = new TextBlock();
TextBlock englishNameTextBlock = new TextBlock();
TextBlock classStatusTextBlock = new TextBlock();
TextBlock schoolStatusTextBlock = new TextBlock();
Button searchButton = new Button();
classTextBlock.Margin = idTextBlock.Margin = nameTextBlock.Margin = englishNameTextBlock.Margin = classStatusTextBlock.Margin = schoolStatusTextBlock.Margin = margin;
classTextBlock.FontSize = idTextBlock.FontSize = nameTextBlock.FontSize = englishNameTextBlock.FontSize = classStatusTextBlock.FontSize = schoolStatusTextBlock.FontSize = 15;
classTextBlock.Text = student.Class;
idTextBlock.Text = student.StudentId;
nameTextBlock.Text = student.Name;
englishNameTextBlock.Text = student.EnglishName;
classStatusTextBlock.Text = student.ClassStatus;
schoolStatusTextBlock.Text = student.SchoolStatus;
searchButton.Content = "查詢課表";
searchButton.Click += (sender, e) =>
{
Frame.Navigate(typeof(CurriculumPage), student.StudentId);
};
Grid.SetColumn(classTextBlock, 0);
Grid.SetColumn(idTextBlock, 1);
Grid.SetColumn(nameTextBlock, 2);
Grid.SetColumn(englishNameTextBlock, 3);
Grid.SetColumn(classStatusTextBlock, 4);
Grid.SetColumn(schoolStatusTextBlock, 5);
Grid.SetColumn(searchButton, 6);
Grid.SetRow(classTextBlock, i);
Grid.SetRow(idTextBlock, i);
Grid.SetRow(nameTextBlock, i);
Grid.SetRow(englishNameTextBlock, i);
Grid.SetRow(classStatusTextBlock, i);
Grid.SetRow(schoolStatusTextBlock, i);
Grid.SetRow(searchButton, i);
studentsGrid.Children.Add(classTextBlock);
studentsGrid.Children.Add(idTextBlock);
studentsGrid.Children.Add(nameTextBlock);
studentsGrid.Children.Add(englishNameTextBlock);
studentsGrid.Children.Add(classStatusTextBlock);
studentsGrid.Children.Add(schoolStatusTextBlock);
studentsGrid.Children.Add(searchButton);
RowDefinition rowDefinition = new RowDefinition();
rowDefinition.Height = GridLength.Auto;
studentsGrid.RowDefinitions.Add(rowDefinition);
}
}
public static CourseDetail Parse(string html)
{
CourseDetail detail = new CourseDetail();
var courseId = new Regex("<tr><th>課 號<td>([^\n]*)\n").Match(html).Groups[1].Value;
var schoolYear = new Regex("<tr><th>學 年 度<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var semester = new Regex("<tr><th>學 期<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var name = new Regex("<tr><th>課程名稱\n").Match(html).Groups[1].Value;
var phase = new Regex("<tr><th>階 段<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var credits = new Regex("<tr><th>學 分<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var hours = new Regex("<tr><th>時 數<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var type = new Regex("<tr><th>類 別<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var peopleCount = new Regex("<tr><th>修課人數<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var quitPeopleCount = new Regex("<tr><th>撤選人數<td>([^<]*)</tr>\n").Match(html).Groups[1].Value;
var language = new Regex("<tr><th>授課語言<td>([^\n]*)\n").Match(html).Groups[1].Value;
var audit = new Regex("<tr><th>隨班附讀<td>([^\n]*)\n").Match(html).Groups[1].Value;
var pratice = new Regex("<tr><th>實驗、實習<td>([^\n]*)\n").Match(html).Groups[1].Value;
var note = new Regex("<tr><th>備 註<td>([^\n]*)\n").Match(html).Groups[1].Value;
detail.CourseId = courseId;
detail.SchoolYear = int.Parse(schoolYear);
detail.Semester = int.Parse(semester);
detail.Name = name;
detail.Phase = int.Parse(phase);
detail.Credits = float.Parse(credits);
detail.Hours = float.Parse(hours);
detail.Type = type;
detail.PeopleCount = int.Parse(peopleCount);
detail.QuitPeopleCount = int.Parse(quitPeopleCount);
detail.Language = language;
detail.Audit = audit == "是";
detail.Pratice = pratice == "是";
detail.Note = note;
switch (detail.Type)
{
case "○":
detail.Type = "部訂共同必修";
break;
case "△":
detail.Type = "校訂共同必修";
break;
case "☆":
detail.Type = "共同選修";
break;
case "●":
detail.Type = "部訂專業必修";
break;
case "▲":
detail.Type = "校訂專業必修";
break;
case "★":
detail.Type = "專業選修";
break;
}
// TODO: Fix the folowing parsing algorithm
//Regex regex = new Regex(
// "<tr><th>授課教師\n" +
// "<td>(?:<a href=\"Teach.jsp[^\"]+\">(?<teachers>[^<]*)</a>(?:<br>)?\\s*\n*)*\\s*\n*" +
// "(?:<A href=\"[^\"]+\">《查詢教學大綱與進度表》</A><BR>\n+)?" +
// "<tr><th>開課班級\n" +
// "<td>(?:<a href=\"[^\"]+\">(?<classes>[^<]*)</a><br>\n)*\\s?\n" +
// "<tr><th>教 室\n" +
// "<td>(?:<a href=\"[^\"]+\">(?<classRooms>[^<]*)</a><br>\n)*\\s?\n" +
// "<tr><th>修課人數<td>([^<]*)</tr>\n" +
// "<tr><th>撤選人數<td>([^<]*)</tr>\n" +
// "<tr><th>教學助理\n" +
// "<td>(?:(?!<tr>).|\n)+"
// , RegexOptions.Multiline | RegexOptions.IgnoreCase);
//var match = regex.Match(html);
//foreach (Capture capture in match.Groups["teachers"].Captures)
// detail.Teachers.Add(capture.Value);
//foreach (Capture capture in match.Groups["classes"].Captures)
// detail.Classes.Add(capture.Value);
//foreach (Capture capture in match.Groups["classRooms"].Captures)
// detail.ClassRooms.Add(capture.Value);
var studentsRegex = new Regex("^<tr><td>([^\\s]*)\\s*<td><a href=\"[^\"]+\">([^<]*)</a><td>([^<]*)<td>\\s*([^<]+)<td><div align=center>([^<]*)</div><td(?: bgcolor=#ffcccc)?>([^\\s]*)", RegexOptions.Multiline | RegexOptions.IgnoreCase);
var studentsMatches = studentsRegex.Matches(html);
foreach (Match studentMatch in studentsMatches)
{
Student student = new Student();
student.Class = studentMatch.Groups[1].Value;
student.StudentId = studentMatch.Groups[2].Value;
student.Name = studentMatch.Groups[3].Value;
student.EnglishName = studentMatch.Groups[4].Value;
student.ClassStatus = studentMatch.Groups[5].Value;
student.SchoolStatus = studentMatch.Groups[6].Value;
detail.Students.Add(student);
}
return(detail);
}