public async Task ImportSnapshotsAsync(Location locationToImport,
Location importedLocation,
CancellationToken cancellationToken)
{
var snapshotsToImport = await _snapshotService.GetSnapshotsByLocationIdAsync(locationToImport.Id);
var remoteSnapshots = await _snapshotServiceProxy.GetSnapshotsByLocationIdAsync(importedLocation.Id);
foreach (var snapshotToImport in snapshotsToImport)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (remoteSnapshots.Any(_ => _.PictureFileName == snapshotToImport.PictureFileName))
{
continue;
}
var pictureToImport = await _pictureService.GetSnapshotContentAsync(snapshotToImport);
if (pictureToImport.Length == 0)
{
continue;
}
snapshotToImport.LocationId = importedLocation.Id;
await _snapshotServiceProxy.AddSnapshotAsync(snapshotToImport);
await _pictureServiceProxy.SaveSnapshotContentAsync(snapshotToImport, pictureToImport);
}
}
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 void RemoveSelectedLocations_ShouldSucceed()
{
// Arrange
SetUp();
LocationsViewModel sit = null;
var snapshotsToDelete = new List <LocationSnapshot>
{
new LocationSnapshot {
Id = 1
},
new LocationSnapshot {
Id = 2
}
};
_snapshotDataService.GetSnapshotsByLocationIdAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <LocationSnapshot> >();
tcs.SetResult(snapshotsToDelete);
return(tcs.Task);
});
_snapshotDataService.RemoveSnapshotAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <LocationSnapshot>();
tcs.SetResult(new LocationSnapshot());
return(tcs.Task);
});
_pictureService.RemoveSnapshotContentAsync(Arg.Any <LocationSnapshot>())
.Returns(_ => Task.CompletedTask);
_locationDataService.RemoveLocationAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <Location>();
tcs.SetResult(sit.Locations[1]);
return(tcs.Task);
});
// Act
sit = CreateViewModel();
await sit.OnLoaded();
sit.SelectedLocations = new List <Location> {
sit.Locations[1]
};
await sit.RemoveSelectedLocations();
// Assert
Assert.Equal(2, sit.Locations.Count);
Assert.DoesNotContain(sit.Locations, _ => _.Name == "Prague");
await _snapshotDataService.Received().RemoveSnapshotAsync(snapshotsToDelete[0].Id);
await _snapshotDataService.Received().RemoveSnapshotAsync(snapshotsToDelete[1].Id);
await _pictureService.Received().RemoveSnapshotContentAsync(snapshotsToDelete[0]);
await _pictureService.Received().RemoveSnapshotContentAsync(snapshotsToDelete[1]);
}
public async Task <IActionResult> GetSnapshotsByLocationId(int locationId)
{
var snapshots = await _locationSnapshotDataService.GetSnapshotsByLocationIdAsync(locationId);
var result = Mapper.Map <IEnumerable <LocationSnapshot>, IEnumerable <LocationSnapshotDto> >(snapshots);
return(Ok(result));
}
public async void ImportAsync_ShouldImportNewLocation()
{
// Arrange
SetUp();
_locationServiceProxy.GetAllLocationsAsync()
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <Location> >();
tcs.SetResult(new List <Location>());
return(tcs.Task);
});
_locationServiceProxy.AddLocationAsync(Arg.Any <Location>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <Location>();
tcs.SetResult(_locationToImport);
return(tcs.Task);
});
_snapshotServiceProxy.GetSnapshotsByLocationIdAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <LocationSnapshot> >();
tcs.SetResult(new List <LocationSnapshot>());
return(tcs.Task);
});
// Act
var sit = new LocationDataImporter(_dataServiceFactory);
await sit.ImportAsync(new List <Location> {
_locationToImport
}, new CancellationTokenSource().Token);
// Assert
await _locationServiceProxy.Received().AddLocationAsync(_locationToImport);
await _snapshotServiceProxy.Received().AddSnapshotAsync(_snapshotsToImport[0]);
await _snapshotServiceProxy.Received().AddSnapshotAsync(_snapshotsToImport[1]);
await _pictureServiceProxy.Received().SaveSnapshotContentAsync(_snapshotsToImport[0], _pictureData);
await _pictureServiceProxy.Received().SaveSnapshotContentAsync(_snapshotsToImport[1], _pictureData);
}
private void SetUp()
{
_dataServiceFactory = Substitute.For <IDataServiceFactory>();
_locationServiceProxy = Substitute.For <ILocationDataService>();
_snapshotServiceProxy = Substitute.For <ILocationSnapshotDataService>();
_snapshotService = Substitute.For <ILocationSnapshotDataService>();
_pictureServiceProxy = Substitute.For <IPictureService>();
_pictureService = Substitute.For <IPictureService>();
_dataServiceFactory.CreateLocationDataService(DataSourceType.Remote).Returns(_locationServiceProxy);
_dataServiceFactory.CreateLocationSnapshotDataService(DataSourceType.Remote).Returns(_snapshotServiceProxy);
_dataServiceFactory.CreateLocationSnapshotDataService(DataSourceType.Local).Returns(_snapshotService);
_dataServiceFactory.CreatePictureService(DataSourceType.Remote).Returns(_pictureServiceProxy);
_dataServiceFactory.CreatePictureService(DataSourceType.Local).Returns(_pictureService);
_locationToImport = new Location
{
Id = 1,
Name = "Barcelona"
};
_snapshotsToImport = new List <LocationSnapshot>
{
new LocationSnapshot
{
Id = 1,
LocationId = 1,
PictureFileName = "Barcelona1.jpg"
},
new LocationSnapshot
{
Id = 2,
LocationId = 1,
PictureFileName = "Barcelona2.jpg"
},
};
_snapshotService.GetSnapshotsByLocationIdAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <LocationSnapshot> >();
tcs.SetResult(_snapshotsToImport);
return(tcs.Task);
});
_pictureData = new byte[] { 1, 2, 3, 4 };
_pictureService.GetSnapshotContentAsync(Arg.Any <LocationSnapshot>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <byte[]>();
tcs.SetResult(_pictureData);
return(tcs.Task);
});
}
public async Task RemoveSelectedLocations()
{
if (SelectedLocations.Count == 0)
{
await _dialogService.ShowAsync("Please select at least one location.");
return;
}
var response = await _dialogService.ShowConfirmationAsync("Do you really want to remove the selected locations?");
if (response == ConfirmationAnswer.Cancel)
{
return;
}
IsBusy = true;
var selectedLocations = SelectedLocations.ToList();
foreach (var selLoc in selectedLocations)
{
var snapshots = await _locationSnapshotDataService.GetSnapshotsByLocationIdAsync(selLoc.Id);
var deletionTasks = snapshots.Select(async _ =>
{
await _locationSnapshotDataService.RemoveSnapshotAsync(_.Id);
await _pictureService.RemoveSnapshotContentAsync(_);
});
await Task.WhenAll(deletionTasks);
var removedLocation = await _locationDataService.RemoveLocationAsync(selLoc.Id);
Locations.Remove(Locations.First(_ => _.Id == removedLocation.Id));
}
;
SetDefaultView();
IsBusy = false;
}
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>();
}
