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ContextWindow: Use Task.Run to load data outside main thread
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Lorenz Stechauner
2026-04-02 14:18:06 +02:00
parent 1f4fe2129d
commit e593175e72
18 changed files with 241 additions and 186 deletions
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64
Elwig/Windows/DeliveryScheduleAdminWindow.xaml.cs
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@@ -30,41 +30,49 @@ namespace Elwig.Windows {
ControlUtils.InitializeDelayTimer(SearchInput, SearchInput_TextChanged);
SearchInput.TextChanged -= SearchInput_TextChanged;
ViewModel.FilterSeason = Utils.CurrentLastSeason;
ViewModel.FilterOnlyUpcoming = true;
}
private void Window_Loaded(object sender, RoutedEventArgs evt) {
ViewModel.FilterOnlyUpcoming = true;
protected override async Task OnInit(AppDbContext ctx) {
LockInputs();
}
private async Task RefreshList(bool updateSort = false) {
using var ctx = new AppDbContext();
var (_, deliveryScheduleQuery, filter) = await ViewModel.GetFilters(ctx);
var deliverySchedules = await deliveryScheduleQuery
.Include(s => s.Varieties)
.Include(s => s.Branch)
.AsSplitQuery()
.ToListAsync();
var vm = ViewModel;
var cursor = Mouse.OverrideCursor != null;
if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
var query = (vm.SearchQuery, vm.FilterSeason, vm.FilterOnlyUpcoming);
var deliverySchedules = await Task.Run(async () => {
using var ctx = new AppDbContext();
var (_, deliveryScheduleQuery, filter) = await vm.GetFilters(ctx);
var deliverySchedules = await deliveryScheduleQuery
.Include(s => s.Varieties)
.Include(s => s.Branch)
.AsSplitQuery()
.ToListAsync();
if (filter.Count > 0 && deliverySchedules.Count > 0) {
var dict = deliverySchedules.AsParallel()
.ToDictionary(s => s, s => s.SearchScore(filter))
.OrderByDescending(a => a.Value)
.ThenBy(a => a.Key.DateString)
.ThenBy(a => a.Key.Branch.Name)
.ThenBy(a => a.Key.Description);
var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
deliverySchedules = dict
.Where(a => a.Value > threshold)
.Select(a => a.Key)
.ToList();
} else {
deliverySchedules = deliverySchedules
.OrderBy(s => s.DateString)
.ThenBy(s => s.Branch.Name)
.ThenBy(s => s.Description)
.ToList();
}
if (filter.Count > 0 && deliverySchedules.Count > 0) {
var dict = deliverySchedules.AsParallel()
.ToDictionary(s => s, s => s.SearchScore(filter))
.OrderByDescending(a => a.Value)
.ThenBy(a => a.Key.DateString)
.ThenBy(a => a.Key.Branch.Name)
.ThenBy(a => a.Key.Description);
var threshold = dict.Max(a => a.Value) * 3 / 4;
deliverySchedules = [.. dict
.Where(a => a.Value > threshold)
.Select(a => a.Key)];
} else {
deliverySchedules = [.. deliverySchedules
.OrderBy(s => s.DateString)
.ThenBy(s => s.Branch.Name)
.ThenBy(s => s.Description)];
}
return deliverySchedules;
});
if (!cursor) Mouse.OverrideCursor = null;
if (query != ((ViewModel.SearchQuery, ViewModel.FilterSeason, ViewModel.FilterOnlyUpcoming))) return;
ControlUtils.RenewItemsSource(DeliveryScheduleList, deliverySchedules,
DeliveryScheduleList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);