public PlacesViewModel(IPlaceService placeService, IOrderService orderService, IFilePickerService filePickerService, ICommonServices commonServices) : base(commonServices)
{
PlaceService = placeService;
PlaceList = new PlaceListViewModel(PlaceService, commonServices);
PlaceDetails = new PlaceDetailsViewModel(PlaceService, filePickerService, commonServices);
PlaceOrders = new OrderListViewModel(orderService, commonServices);
}
/*
* Handle external messages
****************************************************************/
private async void OnDetailsMessage(PlaceDetailsViewModel sender, string message, PlaceModel changed)
{
var current = Item;
if (current != null)
{
if (changed != null && changed.PlaceID == current?.PlaceID)
{
switch (message)
{
case "ItemChanged":
await ContextService.RunAsync(async() =>
{
try
{
var item = await PlaceService.GetPlaceAsync(current.PlaceID);
item = item ?? new PlaceModel {
PlaceID = current.PlaceID, IsEmpty = true
};
current.Merge(item);
current.NotifyChanges();
NotifyPropertyChanged(nameof(Title));
if (IsEditMode)
{
StatusMessage("WARNING: This place has been modified externally");
}
}
catch (Exception ex)
{
LogException("Place", "Handle Changes", ex);
}
});
break;
case "ItemDeleted":
await OnItemDeletedExternally();
break;
}
}
}
}
