private async System.Threading.Tasks.Task <ObservableCollection <AccidentUtil> > GeetAccidentsToBeHandledAsync()
{
List <Accident> accidents;
using (InsuranceManager.DataAccess.DataContext context = new InsuranceManager.DataAccess.DataContext())
{
accidents = await context.Accidents.Where(a => a.Status == Status.ToBeHandled).ToListAsync();
}
return(accidents.GetObservable(a =>
{
var item = new AccidentUtil(a);
item.PropertyChanged += HandlerForChange;
return item;
}));
}
//Updates database and UI grids EventsToBeHandled and Events that are not Handled
private async void HandlerForChange(object sender, EventArgs args)
{
AccidentUtil accident = (AccidentUtil)sender;
using (InsuranceManager.DataAccess.DataContext context = new InsuranceManager.DataAccess.DataContext())
{
var accidentDb = await context.Accidents.FirstAsync(a => a.Id == accident.ID);
accidentDb.Status = (Status)accident.StatusId;
accidentDb.LastModified = DateTime.Now;
accident.LastModified = AccidentUtil.DateToString(accidentDb.LastModified);
context.SaveChanges();
if (accidentDb.Status == Status.ToBeHandled && !accidentsToBeHandled.Contains(accident))
{
accidentView.Remove(accident);
statistics[0].Value = accidentView.Count;
accidentsToBeHandled.Add(accident);
statistics[1].Value = accidentsToBeHandled.Count;
}
}
}