async void FindReplacementsAsync()
{
Replacements.Clear();
replacementsModel.SetReplaced(DisplayedCourses.ElementAt(SelectedCourseIndex).Model);
List <ReplacementModel> result = null;
result = await Task.Run(() => {
try
{
return(replacementsModel.GetReplacementsFromData());
}
catch (DataServiceException e)
{
Debug.WriteLine(e.Message);
ShowAlert();
}
return(result);
});
if (result != null)
{
foreach (ReplacementModel rm in result)
{
Replacements.Add(new ReplacementViewModel(rm));
}
}
}
void FilterCourses()
{
RefreshLocalCourses();
List <CourseViewModel> lcvm = courseViewModels;
lcvm = lcvm.FindAll(cvm => cvm.Language.Equals(_searchLanguage));
lcvm = lcvm.FindAll(cvm => cvm.StudyType.Equals(_searchStudyType));
if (_searchCourseType != default)
{
lcvm = lcvm.FindAll(cvm => cvm.Type.Equals(_searchCourseType));
}
if (_searchName != null && _searchName != string.Empty)
{
lcvm = lcvm.FindAll(cvm => cvm.Name.ToUpper().Contains(_searchName.ToUpper()));
}
if (_searchFaculty != null && _searchFaculty != string.Empty)
{
lcvm = lcvm.FindAll(cvm => cvm.FacultySymbol.ToUpper().Contains(_searchFaculty.ToUpper()));
}
if (_searchCode != null && _searchCode != string.Empty)
{
lcvm = lcvm.FindAll(cvm => cvm.Code.ToUpper().Contains(_searchCode.ToUpper()));
}
if (_searchFieldOfStudy != null && _searchFieldOfStudy != string.Empty)
{
lcvm = lcvm.FindAll(cvm => cvm.FieldOfStudy.ToUpper().Contains(_searchFieldOfStudy.ToUpper()));
}
if (ListChanged(DisplayedCourses.ToList(), lcvm))
{
DisplayedCourses.Clear();
foreach (CourseViewModel cvm in lcvm)
{
DisplayedCourses.Add(cvm);
}
}
if (_searchCode.Equals(string.Empty) &&
_searchFaculty.Equals(string.Empty) &&
_searchFieldOfStudy.Equals(string.Empty) &&
_searchName.Equals(string.Empty))
{
DisplayedCourses.Clear();
}
}