private async Task GroupByChanged()
{
if (IsBusy)
{
return;
}
IsBusy = true;
IsViewGrouped = (GroupBy != GroupByCriteria.None);
SetDefaultView();
if (GroupBy == GroupByCriteria.None)
{
var locations = await _locationDataService.GetAllLocationsAsync();
Locations = new ObservableCollection <Location>(locations);
}
else
{
var dataFetchOperation = _locationSnapshotDataService.ChooseGroupByOperation(GroupBy);
var snapshotGroups = await dataFetchOperation();
SnapshotsGroups = new ObservableCollection <SnapshotGroup>(snapshotGroups);
}
IsBusy = false;
}
private void SetUp()
{
_locations = new List <Location>
{
new Location {
Id = 1, Name = "Barcelona"
},
new Location {
Id = 2, Name = "Prague"
},
new Location {
Id = 3, Name = "Frankfurt"
}
};
_snapshotGroups = new List <SnapshotGroup>
{
new SnapshotGroup {
Name = "December 2018"
},
new SnapshotGroup {
Name = "March 2019"
}
};
Task <IEnumerable <SnapshotGroup> > dataFetchOperation()
{
var tcs = new TaskCompletionSource <IEnumerable <SnapshotGroup> >();
tcs.SetResult(_snapshotGroups);
return(tcs.Task);
};
_snapshotDataService = Substitute.For <ILocationSnapshotDataService>();
_snapshotDataService.ChooseGroupByOperation(Arg.Any <GroupByCriteria>())
.Returns(dataFetchOperation);
_locationDataService = Substitute.For <ILocationDataService>();
_locationDataService.GetAllLocationsAsync()
.Returns(_ =>
{
var tcs = new TaskCompletionSource <IEnumerable <Location> >();
tcs.SetResult(_locations);
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);
});
_pictureService = Substitute.For <IPictureService>();
_locationDataImporter = Substitute.For <ILocationDataImporter>();
_dataSourceGovernor = Substitute.For <IDataSourceGovernor>();
_connectivityService = Substitute.For <IConnectivityService>();
_navigationService = Substitute.For <INavigationService>();
_platformSpecificActions = Substitute.For <IPlatformSpecificActions>();
}
public async Task <IActionResult> GroupSnapshots(GroupByCriteria groupBy)
{
if (groupBy == GroupByCriteria.None)
{
_logger.LogWarning("Bad request. Invalid group by criteria.");
return(BadRequest());
}
var dataFetchOperation = _locationSnapshotDataService.ChooseGroupByOperation(groupBy);
var snapshotGroups = await dataFetchOperation();
var result = Mapper.Map <IEnumerable <SnapshotGroup>, IEnumerable <SnapshotGroupDto> >(snapshotGroups);
return(Ok(result));
}
