async Task LoadDataFromApi()
{
var response = await client.GetAsync("/dates?metadata");
if (!response.IsSuccessStatusCode)
{
return;
}
var json = await response.Content.ReadAsStringAsync();
var dates = JsonConvert.DeserializeObject <List <VertretungsplanMetadata> >(json);
if (dates == null)
{
return;
}
foreach (var loaded in dates)
{
var cached = cache.Find(loaded.Date);
var dateExists = cached != null;
// New or more recent than existing version
if (!dateExists || loaded.LastUpdated > cached.LastUpdated || loaded.Version > cached.Version)
{
var dateResponse = await client.GetAsync("/dates/" + loaded.Date.ToString("yyyy-MM-dd"));
var dateJson = await dateResponse.Content.ReadAsStringAsync();
var vp = JsonConvert.DeserializeObject <Vertretungsplan>(dateJson);
cache.Add(vp);
}
}
var oldDates = cache.GetAllDates().Except(dates.Select(vp => vp.Date)).ToList();
foreach (var old in oldDates)
{
cache.Remove(old);
}
}
public VertretungsplanViewModel GenerateViewModel(VertretungsplanType type, Vertretungsplan vertretungsplan)
{
var model = new VertretungsplanViewModel();
model.Vertretungsplan = vertretungsplan;
if (vertretungsplan != null)
{
model.Entries = vertretungsplan.Entries;
if (type == VertretungsplanType.Teachers)
{
// Change display for teacher page
model.Entries = model.Entries
.Select(e =>
{
Entry newEntry = e.Clone();
// Fix cancelled lessons and changed rooms
if (e.SubstitutionTeacher == "—" || e.SubstitutionTeacher == "entfällt")
{
newEntry.SubstitutionTeacher = e.OriginalTeacher;
newEntry.OriginalTeacher = "—";
}
if (e.SubstitutionTeacher == "entfällt")
{
if (e.Note == "—")
{
newEntry.Note = "entfällt";
}
else
{
newEntry.Note = "entfällt, " + e.Note;
}
}
// Change order of salutation and name
if (newEntry.SubstitutionTeacher.StartsWith("Frau "))
{
newEntry.SubstitutionTeacher = newEntry.SubstitutionTeacher.Substring(5) + ", Frau";
}
else if (newEntry.SubstitutionTeacher.StartsWith("Herr "))
{
newEntry.SubstitutionTeacher = newEntry.SubstitutionTeacher.Substring(5) + ", Herr";
}
return(newEntry);
})
.OrderBy(e => e.SubstitutionTeacher)
.ThenBy(e => e.Lesson)
.ToList();
}
else if (type == VertretungsplanType.Students)
{
// Filter hidden classes and teachers
model.Entries = model.Entries
.Where(e => !(viewOptions.HiddenForms.Contains(e.Form) ||
viewOptions.HiddenTeachers.Contains(e.OriginalTeacher) ||
viewOptions.HiddenTeachers.Contains(e.SubstitutionTeacher)))
.ToList();
}
model.LastUpdatedInWords = TimespanInWords(VertretungsplanTime.Now - model.Vertretungsplan.LastUpdated);
model.Dates = cache.GetAllDates().Where(e => e.Date != vertretungsplan.Date).Select(d => d.ToString(DATEFORMAT_INTERNAL)).ToList();
model.PreviousDate = cache.GetPrevious(vertretungsplan).Date;
model.NextDate = cache.GetNext(vertretungsplan).Date;
model.DateSelectorItems = cache.GetAllDates().Select(dateOption =>
{
return(new SelectListItem()
{
Text = dateOption.ToString(DATEFORMAT_PUBLIC),
Value = dateOption.ToString(DATEFORMAT_INTERNAL),
Selected = dateOption == model.Vertretungsplan.Date
});
}).ToList();
model.DateformatInternal = DATEFORMAT_INTERNAL;
model.DateformatPublic = DATEFORMAT_PUBLIC;
}
return(model);
}