public CourseViewModel(string courseCode, PinnedCourses pinnedCourses)
{
Code = courseCode;
Title = AppResources.ApplicationTitle.ToUpper() + " " + Code.ToUpper();
_pinnedCourses = pinnedCourses;
_toggleSecondaryTileCommand = new DelegateCommand(ToggleSecondaryTile, () => _course != null);
_openNoppaPage = new DelegateCommand(async delegate { await Launcher.LaunchUriAsync(NoppaPageUri); }, () => NoppaPageUri != null);
_openOodiPage = new DelegateCommand(async delegate { await Launcher.LaunchUriAsync(OodiPageUri); }, () => OodiPageUri != null);
NoppaPageUri = new Uri(String.Format("https://noppa.aalto.fi/noppa/kurssi/{0}/etusivu", courseCode));
// By default, always add these two items (which can be assigned to CurrentContent by the view)
OverviewModel = new OverviewViewModel();
NewsModel = new NewsViewModel();
Contents.Add(OverviewModel);
Contents.Add(NewsModel);
SetPinnedStateAsync();
}
private Collection<string> GetCourseCodes()
{
Task<ObservableCollection<string>> t = new PinnedCourses().GetCodesAsync();
t.Wait();
ObservableCollection<string> codes = t.Result;
foreach (ShellTile tile in ShellTile.ActiveTiles)
{
string code = NoppaTiles.GetCourseCode(tile.NavigationUri);
if (code != null && codes.Contains(code) == false)
{
codes.Add(code);
}
}
return t.Result;
}
public async Task LoadMyCoursesAsync(PinnedCourses pinnedCourses)
{
IsLoading = true;
Courses.Clear();
var courses = await pinnedCourses.GetCodesAsync();
var tasks = new List<Task<Course>>();
foreach (string c in courses) {
tasks.Add(Task.Run(async () => await NoppaAPI.GetCourse(c) ));
}
while (tasks.Count > 0)
{
var course = await Task.WhenAny(tasks);
tasks.Remove(course);
Courses.Add(await course);
}
IsLoading = false;
}
