public async Task OnLoaded()
{
IsBusy = true;
var navParam = (SnapshotsViewNavParams)NavigationParam;
_groupByCriteria = navParam.GroupByCriteria;
var payload = navParam.SnapshotsIdsource;
Parent = payload;
IEnumerable <LocationSnapshot> snapshots = null;
RaisePropertyChanged(nameof(CanAddSnapshot));
if (payload is Location location)
{
snapshots = await _locationSnapshotDataService.GetSnapshotsByLocationIdAsync(location.Id);
}
else if (payload is SnapshotGroup group)
{
snapshots = await _locationSnapshotDataService.GetSnapshotsByIdsAsync(group.SnapshotIds);
}
var miniatures = await _pictureService.GetSnapshotMiniaturesAsync(snapshots);
foreach (var miniature in miniatures)
{
var thumbnail = await _bitmapConverter.GetBitmapAsync(miniature.Data);
SnapshotThumbnails.Add(new SnapshotThumbnail {
Snapshot = miniature.Snapshot, Thumbnail = thumbnail
});
}
IsBusy = false;
}
public async Task OnLoaded()
{
IsBusy = true;
var navParam = (SnapshotDetailsViewNavParams)NavigationParam;
var data = await _pictureService.GetSnapshotContentAsync(navParam.LocationSnapshot);
SnapshotContent = await _bitmapConverter.GetBitmapAsync(data);
SnapshotDetails = navParam.LocationSnapshot;
_geolocationReadyToken = _eventAggregator.GetEvent <GeolocationReadyEvent>().Subscribe(OnGeolocationReady);
RaisePropertyChanged(nameof(IsGeolocationDataAvailable));
IsBusy = false;
}
private void SetUp()
{
_navigationService = Substitute.For <INavigationService>();
_bitmapConverter = Substitute.For <IBitmapConverter>();
_pictureService = Substitute.For <IPictureService>();
_pictureService.GetSnapshotContentAsync(Arg.Any <LocationSnapshot>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <byte[]>();
tcs.SetResult(new byte[0]);
return(tcs.Task);
});
_bitmapConverter.GetBitmapAsync(Arg.Any <byte[]>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <object>();
tcs.SetResult(new object());
return(tcs.Task);
});
_eventAggregator = new EventAggregator();
}
private void SetUp()
{
_snapshots = new List <LocationSnapshot>
{
new LocationSnapshot {
Id = 1, PictureFileName = "Barcelona_1.jpg"
},
new LocationSnapshot {
Id = 2, PictureFileName = "Barcelona_2.jpg"
},
new LocationSnapshot {
Id = 3, PictureFileName = "Barcelona_3.jpg"
}
};
_miniatures = new List <SnapshotMiniature>
{
new SnapshotMiniature {
Snapshot = _snapshots[0]
},
new SnapshotMiniature {
Snapshot = _snapshots[1]
},
new SnapshotMiniature {
Snapshot = _snapshots[2]
}
};
_thumbnail = new object();
_snapshotDataService = Substitute.For <ILocationSnapshotDataService>();
_snapshotDataService.GetSnapshotsByLocationIdAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <LocationSnapshot> >();
tcs.SetResult(_snapshots);
return(tcs.Task);
});
_snapshotDataService.GetSnapshotsByIdsAsync(Arg.Any <IEnumerable <int> >())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <LocationSnapshot> >();
tcs.SetResult(_snapshots);
return(tcs.Task);
});
_pictureService = Substitute.For <IPictureService>();
_pictureService.GetSnapshotMiniaturesAsync(Arg.Any <IEnumerable <LocationSnapshot> >())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <SnapshotMiniature> >();
tcs.SetResult(_miniatures);
return(tcs.Task);
});
_bitmapConverter = Substitute.For <IBitmapConverter>();
_bitmapConverter.GetBitmapAsync(Arg.Any <byte[]>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <object>();
tcs.SetResult(_thumbnail);
return(tcs.Task);
});
_dialogService = Substitute.For <IDialogService>();
_dialogService.ShowConfirmationAsync(Arg.Any <string>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <ConfirmationAnswer>();
tcs.SetResult(ConfirmationAnswer.OK);
return(tcs.Task);
});
_navigationService = Substitute.For <INavigationService>();
_platformSpecificActions = Substitute.For <IPlatformSpecificActions>();
}
