public EditableProfilePageViewModel(
INavigationService navigationService,
IUserDialogs dialogService,
IProjectDataStore projectDataStore,
IPermissionsService permissionsService) : base(navigationService)
{
Title = "Edit Profile";
AddValidationRules();
NavigatedTo
.Take(1)
.Select(args => args["user"] as Account)
.Subscribe(user =>
{
// TODO: Handle null user, handle editing...
});
ChangePhoto = ReactiveCommand.CreateFromTask(async() =>
{
try
{
// check if permission has been granted to the photos
var status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Photos);
if (status != PermissionStatus.Granted)
{
status = await permissionsService.CheckPermissionsAsync(Permission.Photos, dialogService);
}
// if permission was granted, open the photo picker
if (status == PermissionStatus.Granted)
{
using (var file = await CrossMedia.Current.PickPhotoAsync(_pickOptions))
{
if (file != null)
{
Photo = file.GetStream();
}
}
}
else
{
// permission was not granted. Let the user know they can't pick a photo
// without permissions
await dialogService.AlertAsync(
new AlertConfig
{
Title = "Photos Not Supported",
Message = ":( Permission not granted to photos.",
OkText = "OK"
}).ConfigureAwait(false);
return;
}
}
catch (MediaPermissionException mediaException)
{
await dialogService.AlertAsync(
new AlertConfig
{
Title = "Permission Error",
Message = $"Permissions not granted: {string.Join(", ", mediaException.Permissions)}",
OkText = "OK"
}).ConfigureAwait(false);
}
catch (Exception ex)
{
// TODO: log the exception...
await dialogService.AlertAsync(
new AlertConfig
{
Title = "Error",
Message = "An error has occurred.",
OkText = "OK"
}).ConfigureAwait(false);
}
});
Save = ReactiveCommand.CreateFromTask(async() =>
{
// TODO:...
});
Cancel = ReactiveCommand.CreateFromTask(async() =>
{
await NavigationService.GoBackAsync(useModalNavigation: true).ConfigureAwait(false);
});
SelectCommunities = ReactiveCommand.CreateFromTask(async() =>
{
var args = new NavigationParameters();
args.Add(
"items",
(await projectDataStore.GetTradesAsync()).Select(specialty => new SelectionViewModel <Trade>(specialty)
{
DisplayValue = specialty.Name
}));
await NavigationService.NavigateAsync(nameof(MultiSelectListViewPage), args).ConfigureAwait(false);
});
}
/// <inheritdoc />
public Task <PermissionStatus> CheckAsync <T>()
where T : BasePermission, new()
{
return(_permissionsService.CheckPermissionsAsync <T>());
}