public void SaveViewCommand(object key)
{
bool isSaved = false;
_reservationRequest.Value = DataObject;
NotifyTaskCompletion.Create(_dataReservationService.SaveAsync(_reservationRequest), (sender, args) =>
{
if (sender is INotifyTaskCompletion <bool> taskCompletion)
{
if (taskCompletion.IsFaulted)
{
DialogService?.ShowErrorMessage("Error during saving: " + taskCompletion.ErrorMessage);
}
if (taskCompletion.IsSuccessfullyCompleted)
{
isSaved = true;
}
}
});
if (isSaved)
{
var dataPayLoad = new DataPayLoad
{
Sender = ViewModelUri.ToString(),
PayloadType = DataPayLoad.Type.UpdateView
};
EventManager.NotifyObserverSubsystem("ReservationRequests", dataPayLoad);
DialogService?.ShowErrorMessage("Data saved with success!");
}
}
public GetSurveysViewModel(string authToken)
{
var surveys = DependencyService
.Get <ISurveysService>();
_surveysList = new NotifyTaskCompletion <IEnumerable <SurveyDetailsEntity> >(surveys.RetrieveAsync(authToken));
}
protected override async Task OnRefreshAsync(CancellationToken ct)
{
try
{
this.ShowBusyStatus(Strings.Resources.TextLoading, true);
this.RecommendedItemsTask = new NotifyTaskCompletion <IEnumerable <ContentItemBase> >(DataSource.Current.GetRecommendedItemsAsync(ct));
this.FriendsWatchedItemsTask = new NotifyTaskCompletion <IEnumerable <ContentItemBase> >(DataSource.Current.GetFriendsWatchedItemsAsync(ct));
// Load queue data
var list = new QueueCollection();
list.AddRange(await DataSource.Current.GetQueueItemsAsync(Platform.Current.AuthManager.User?.ID, ct));
this.Queue = list;
ct.ThrowIfCancellationRequested();
this.ShowBusyStatus("Updating tiles...");
await Platform.Current.Notifications.CreateOrUpdateTileAsync(this);
this.ClearStatus();
}
catch (OperationCanceledException)
{
this.ShowTimedStatus(Strings.Resources.TextCancellationRequested, 3000);
}
catch (Exception ex)
{
this.ShowTimedStatus(Strings.Resources.TextErrorGeneric);
Platform.Current.Logger.LogError(ex, "Error during RefreshAsync");
}
}
public CompanyModule(IRepository repository)
{
_repository = repository;
// LoadPublishers();
CompanyLoading = NotifyTaskCompletion.Create(() => LoadCompaniesAsync());
}
public CategoriesListViewModel(IProductService service, INavigationService navi, IScanner scanner)
{
_service = service;
_navi = navi;
_scanner = scanner;
Items = new NotifyTaskCompletion<List<Product>>(_service.GetProducts());
Categories = new NotifyTaskCompletion<List<string>>(_service.GetCategories());
NavigateToCategory = new RelayCommand<string>(async cat =>
{
var items = (await _service.GetProductsForCategory(cat))
.OrderByDescending(i => i.Rating)
.ToList();
if (items != null && items.Any())
{
var page = App.GetProductsListPage(items, cat);
await _navi.PushAsync(page);
}
else
{
await _navi.DisplayAlert("Error", "There are no items in the category " + cat);
}
});
_searchCommand = new RelayCommand(Search, () => !string.IsNullOrWhiteSpace(SearchTerm));
ScanCommand = new RelayCommand(async () =>
{
var result = await _scanner.Scan();
SearchTerm = result.Text;
Search();
});
}
public MainViewModel()
{
_client = new WebServiceRepositoryClient();
Services = new NotifyTaskCompletion<Service[]>(_client.GetServicesAsync());
Companies = new NotifyTaskCompletion<Company[]>(_client.GetCompaniesAsync());
}
protected override void DeleteItem(DataPayLoad payLoad)
{
bool isDeleted = false;
NotifyTaskCompletion.Create(DeleteAsync(payLoad),
(sender, args) =>
{
if (sender is INotifyTaskCompletion <bool> taskCompletion)
{
if (taskCompletion.IsFaulted)
{
DialogService?.ShowErrorMessage("Error during aving: " + taskCompletion.ErrorMessage);
}
if (!taskCompletion.IsSuccessfullyCompleted)
{
return;
}
isDeleted = true;
}
});
if (isDeleted)
{
var dataPayLoad = new DataPayLoad
{
Sender = ViewModelUri.ToString(),
PayloadType = DataPayLoad.Type.UpdateView
};
EventManager.NotifyObserverSubsystem("ReservationRequests", dataPayLoad);
UnregisterToolBar(payLoad.PrimaryKeyValue);
DeleteRegion();
DialogService?.ShowErrorMessage("Data deleted with success!");
}
}
public void ResultFromFinishedTask()
{
var fromResult = Task.FromResult(1);
var completion = new NotifyTaskCompletion(fromResult);
AssertCompletion.AreEqual(fromResult, completion);
}
public void OnNavigatedTo(NavigationParameters parameters)
{
// Load all countries on load seems fine
AllCountries = NotifyTaskCompletion.Create(async() => (await VkApi.GetAllCountriesAsync())
.Select(x => new SearchableCountry(x))
.ToLookup(x => char.ToUpperInvariant(x.DisplayName[0])));
}
private bool ToBool(object arg)
{
if (arg is bool)
{
return((bool)arg);
}
if (arg is int)
{
return((int)arg >= 0);
}
if (arg is Visibility)
{
return((Visibility)arg == Visibility.Visible);
}
NotifyTaskCompletion <object> completion = arg as NotifyTaskCompletion <object>;
if (completion != null)
{
return(completion.IsCompleted);
}
return(false);
}
public void StartAndNotify()
{
_incidentCompletion = NotifyTaskCompletion.Create <IEnumerable <BookingIncidentSummaryViewObject> >(
_incidentService.GetPagedSummaryDoAsync(1, DefaultPageSize), (task, ev) =>
{
if (task is INotifyTaskCompletion <IEnumerable <BookingIncidentSummaryViewObject> > summaryCollection)
{
if (summaryCollection.IsSuccessfullyCompleted)
{
var collection = summaryCollection.Result;
if (SummaryView is IncrementalList <BookingIncidentSummaryViewObject> summary)
{
var maxItems = _incidentService.NumberItems;
PageCount = _incidentService.NumberPage;
var summaryList = new IncrementalList <BookingIncidentSummaryViewObject>(LoadMoreItems)
{
MaxItemCount = (int)maxItems
};
summaryList.LoadItems(collection);
SummaryView = summaryList;
}
}
else
{
DialogService?.ShowErrorMessage("Cannot load more pages");
}
}
});
}
/// <summary>
/// cached data is loaded on demand, but may take a while to load on initial reference
/// so we force loading early while waiting for user to type in user name and password so they don't notice
/// </summary>
private void preloadCache()
{
var cache = DataRepository.GetDataRepository.ReferenceData;
var t = new Task <bool>(() =>
{
try
{
foreach (var item in ReferenceDataCache.ReferenceDataTypes)
{
var dummy = cache[item.TypeName];
}
// if we didn't complete before user logged in and MainWindow created, then notify MainWindow we are done
Mediator.InvokeCallback(nameof(LoadingCompletedMessage), null);
return(true);
}
catch (Exception e)
{
errorTracking?.logger?.Fatal(e, "Failed to load cached reference data!");
return(false);
}
});
t.ConfigureAwait(false);
t.Start();
LoadingCacheCompletion = new NotifyTaskCompletion <bool>(t);
}
public MainViewModel(IFileService fileService, IDialogService dialogService)
{
_fileService = fileService ?? throw new ArgumentNullException(nameof(fileService));
_dialogService = dialogService ?? throw new ArgumentNullException(nameof(dialogService));
Users = new NotifyTaskCompletion <IList <User> >(_fileService.GetUsersStatistic());
}
public void StartAndNotify()
{
_reservationCompletion = NotifyTaskCompletion.Create <IEnumerable <ReservationRequestSummary> >(
_reservationRequestDataService.GetPagedSummaryDoAsync(1, DefaultPageSize), (task, ev) =>
{
if (task is INotifyTaskCompletion <IEnumerable <ReservationRequestSummary> > reservations)
{
if (reservations.IsSuccessfullyCompleted)
{
var collection = reservations.Result;
if (SummaryView is IncrementalList <ReservationRequestSummary> summary)
{
var maxItems = _reservationRequestDataService.NumberItems;
PageCount = _reservationRequestDataService.NumberPage;
var summaryList = new IncrementalList <ReservationRequestSummary>(LoadMoreItems)
{
MaxItemCount = (int)maxItems
};
summaryList.LoadItems(collection);
SummaryView = summaryList;
}
}
else
{
DialogService?.ShowErrorMessage("No puedo cargar datos de peticiones : " + reservations.ErrorMessage);
}
}
});
}
private void RefreshPeople()
{
_nextPage = null;
LoadPeopleTask = NotifyTaskCompletion.Create(LoadPeople);
RaisePropertyChanged(() => LoadPeopleTask);
}
public override void StartAndNotify()
{
_incidentCompletion = NotifyTaskCompletion.Create <IEnumerable <UsersSummary> >(
_incidentService.GetPagedSummaryDoAsync(1, DefaultPageSize), (task, ev) =>
{
if (task is INotifyTaskCompletion <IEnumerable <UsersSummary> > summaryCollection)
{
if (summaryCollection.IsSuccessfullyCompleted)
{
var collection = summaryCollection.Result;
if (SummaryView is IncrementalList <UsersSummary> summary)
{
var maxItems = _incidentService.NumberItems;
PageCount = __incidentService.NumberPage;
var summaryList = new IncrementalList <UsersSummary>(LoadMoreItems)
{
MaxItemCount = (int)maxItems
};
summaryList.LoadItems(collection);
SummaryView = summaryList;
}
}
else
{
DialogService?.ShowErrorMessage(ErrorConstants.DataLoadError + " : " + reservations.ErrorMessage);
}
}
});
}
public PreferencesViewModel(IMvxNavigationService navigationService, IAuthService authService, IUserDialogs userDialogs, ITopNavigationViewModelService topNavigationViewModelService, IBottomNavigationViewModelService bottomNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_authService = authService;
_userDialogs = userDialogs;
ShowAddAlbumViewModelCommand = new MvxAsyncCommand(async() => await _navigationService.Navigate <ChangeAlbumViewModel>());
ShowAddArtistViewModelCommand = new MvxAsyncCommand(async() => await _navigationService.Navigate <ChangeArtistViewModel>());
ShowAddGenreViewModelCommand = new MvxAsyncCommand(async() => await _navigationService.Navigate <ChangeGenreViewModel>());
ShowAddPlaylistViewModelCommand = new MvxAsyncCommand(async() => await _navigationService.Navigate <ChangePlaylistViewModel>());
ShowAddSongViewModelCommand = new MvxAsyncCommand(async() => await _navigationService.Navigate <ChangeSongViewModel>());
LogOutCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(LogOutTask.Value))
{
LogOutTask.Value = NotifyTaskCompletion.Create(AttemptLogOutAsync);
}
});
}
/// <summary>
/// StartAndNotify.
/// </summary>
public void StartAndNotify()
{
_bookingSummaryCompletion = NotifyTaskCompletion.Create <IEnumerable <BookingSummaryViewObject> >(
_bookingDataService.GetPagedSummaryDoAsync(1, DefaultPageSize), (sender, ev) =>
{
if (sender is INotifyTaskCompletion <IEnumerable <BookingSummaryViewObject> > bookingSummary)
{
if (bookingSummary.IsFaulted)
{
DialogService?.ShowErrorMessage("Cannot load booking summary: " + bookingSummary.ErrorMessage);
return;
}
var booking = bookingSummary.Result;
var maxItems = _bookingDataService.NumberItems;
PageCount = _bookingDataService.NumberPage;
ItemCounts = maxItems.ToString();
var bookingList = new IncrementalList <BookingSummaryViewObject>(LoadMoreItems)
{
MaxItemCount = (int)maxItems
};
bookingList.LoadItems(booking);
SummaryView = bookingList;
}
});
}
/// <summary>
/// Searches for a given word.
/// </summary>
/// <param name="word">The word to search for.</param>
public void SearchForWord(string word)
{
// TODO: the dictionary search is recorded in the first call. Perhaps find a better design?
this.SearchResultsStands4 = NotifyTaskCompletion.Create(SearchForWordStands4Async(word));
this.SearchResultsCollins = NotifyTaskCompletion.Create(SearchForWordCollinsAsync(word));
this.SearchResultsNetSpeakPreceding = NotifyTaskCompletion.Create(SearchForWordNetSpeakPrecedingAsync(word));
this.SearchResultsNetSpeakFollowing = NotifyTaskCompletion.Create(SearchForWordNetSpeakFollowingAsync(word));
this.SearchResultsStringNet = NotifyTaskCompletion.Create(SearchForWordStringNetAsync(word));
Task.Run(async() =>
{
try
{
await SaveDictionarySearchAsync(word);
}
catch (AggregateException ae)
{
ae.Handle(ex =>
{
Tools.Logger.Log("SaveDictionaryExternalHandler", ex);
return(true); // Handled
});
}
});
}
/// <summary>
/// Generic method used for navigating. Retrieve an unique id for the new view and generate a view payload to be sent.
/// </summary>
/// <typeparam name="Entity">Entity Type of the view (same name as db column) </typeparam>
/// <typeparam name="Dto">Data transfer object to be used.</typeparam>
/// <param name="e">Entity</param>
/// <param name="viewName">Name of the view</param>
private void NewHelperView <Entity, Dto>(Entity e, string viewName, Uri viewModelUri) where Dto : BaseViewObject where Entity : class
{
var helperDataService = _dataService.GetHelperDataServices();
var id = string.Empty;
NotifyTaskCompletion.Create <string>(helperDataService.GetUniqueId(e), (task, ev) =>
{
if (task is INotifyTaskCompletion <string> result)
{
if (result.IsSuccessfullyCompleted)
{
id = result.Task.Result;
}
else
{
_dialogService?.ShowErrorMessage("Error in identifier generation");
}
}
});
var currentUri = new Uri(viewModelUri.ToString() + id);
var factory = DataPayloadFactory.GetInstance();
var helperDto = Activator.CreateInstance <Dto>();
helperDto.Code = id;
var dataPayload = factory.BuildInsertPayLoadDo <Dto>(viewName, helperDto, DataSubSystem.HelperSubsytsem, currentUri.ToString(), currentUri.ToString(), currentUri);
NavigateView.Navigate(_regionManager, viewName);
}
public ChangeArtistViewModel(IMvxNavigationService navigationService, IUserDialogs userDialogs, IValidator validator, IArtistService artistService, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_userDialogs = userDialogs;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
_artistService = artistService;
ValidateNameCommand = new MvxCommand(() => _validationHelper.Validate(() => Name));
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
ChangeCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(ChangeTask.Value))
{
ChangeTask.Value = NotifyTaskCompletion.Create(AttemptChangeAsync);
}
});
}
protected override void DeleteItem(DataPayLoad payLoad)
{
NotifyTaskCompletion.Create <bool>(this.DeleteAsync(payLoad),
ev: (sender, args) =>
{
if (!(sender is INotifyTaskCompletion <bool> taskCompletion))
{
return;
}
if (taskCompletion.IsFaulted)
{
DialogService?.ShowErrorMessage("Error during deleting the invoice");
}
if (!taskCompletion.IsSuccessfullyCompleted)
{
return;
}
var dataPayLoad = new DataPayLoad()
{
Sender = ViewModelUri.ToString(),
PayloadType = DataPayLoad.Type.UpdateView
};
EventManager.NotifyObserverSubsystem(InvoiceModule.InvoiceSubSystem, dataPayLoad);
UnregisterToolBar(payLoad.PrimaryKey);
DeleteRegion();
});
}
public override void ExecutePayload(IDataServices services, IEventManager manager, ref DataPayLoad payLoad)
{
DataServices = services;
EventManager = manager;
CurrentPayload = payLoad;
ToolbarInitializationNotifier = NotifyTaskCompletion.Create <DataPayLoad>(HandleSaveOrUpdate(payLoad), ExecutedPayloadHandler);
}
public MainViewModel(IBillCalculator billCalculator,
Task<IUserRepository> userRepositoryTask, IFuelPriceAccesser fuelPriceAccesser,
ITaksariDialogService messageBoxes)
{
//Register messengers
IMvxMessenger messenger = Mvx.Resolve<IMvxMessenger>();
messenger.Subscribe<ToggleUserActivityMessage>(OnToggleUserActivityMessageReceived, MvxReference.Strong);
messenger.Subscribe<DeleteUserMessage>(OnDeleteUserMessageReceived, MvxReference.Strong);
messenger.Subscribe<PaymentRequestedMessage>(OnPaymentRequestedMessageReceived, MvxReference.Strong);
//FuelPriceAccesser. PropertyChangedEvent is handled for setting new fuelprices to _appsettings
AppSettings.FuelPricesAreUpToDate = false;
fuelPriceAccesser.FuelPricesUpdated += OnFuelPricesUpdated;
//UserRepository
_userRepositoryTask = userRepositoryTask;
//Init SortingObservableCollections
ActiveUserViewModelsTask =
new NotifyTaskCompletion<ObservableCollection<IUserViewModel>>(InitActiveUserViewModelsAsync());
ActiveUserViewModelsTask.PropertyChanged += OnActiveUsersTaskPropertyChanged;
InActiveUserViewModelsTask =
new NotifyTaskCompletion<ObservableCollection<IUserViewModel>>(InitInActiveUserViewModelsAsync());
//BillCalculator
_billCalculator = billCalculator;
_billCalculator.CostsPerKm = AppSettings.FinalCostsPerKm;
_billCalculator.BillsChanged += OnBillsChanged;
_billCalculator.LocatorStatusChanged += OnLocatorStatusChanged;
//Message boxes
_dialogService = messageBoxes;
//Default LocatorStatus
LocatorStatus = new BindablePositionStatus(WrappedPositionStatus.Ready);
}
public async Task <IAssistResult <T1> > HandleAssist <T, T1>(IAssist assist) where T : class where T1 : class
{
var list = await HelperDataServices.GetPagedQueryDoAsync <T>(assist.Query, 1, 100);
var count = await HelperDataServices.GetItemsCount <T>();
var resultMapped = _mapper.Map <IEnumerable <T>, IEnumerable <T1> >(list);
IncrementalList <T1> valueList = new IncrementalList <T1>(LoadItems);
valueList.LoadItems(resultMapped);
valueList = new IncrementalList <T1>((x, index) => {
NotifyTaskCompletion.Create(HelperDataServices.GetPagedQueryDoAsync <T>(assist.Query, index, 100), (sender, arg) =>
{
if (sender is INotifyTaskCompletion <IEnumerable <T> > taskCompleted)
{
if (taskCompleted.IsSuccessfullyCompleted)
{
var resultValue = _mapper.Map <IEnumerable <T>, IEnumerable <T1> >(taskCompleted.Result);
valueList.LoadItems(resultValue);
}
}
});
})
{
MaxItemCount = count
};
T1 assistResult = valueList.FirstOrDefault();
IAssistResult <T1> result = new AssistResult <T1>(assistResult, valueList);
return(result);
}
private void RemoveSessionProc()
{
var result = MessageBox.Show("Are you sure you want to delete selected session?", "Session",
MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
try
{
var enrollments =
_repository.Enrollment.GetRange(c => c.SessionCode == SelectedSession.Model.SessionId);
if (enrollments.Count > 0)
{
MessageBox.Show("Unable to delete sessions with enrollees");
}
else
{
NotifyTaskCompletion.Create(RemoveSessionAsync);
}
}
catch (Exception e)
{
MessageBox.Show("Unable to delete opening");
}
}
}
public void NotifierT_TaskCompletesSuccessfully_NotifiesProperties()
{
var tcs = new TaskCompletionSource <object>();
var notifier = NotifyTaskCompletion.Create(tcs.Task);
var taskNotification = PropertyNotified(notifier, n => n.Task);
var statusNotification = PropertyNotified(notifier, n => n.Status);
var isCompletedNotification = PropertyNotified(notifier, n => n.IsCompleted);
var isSuccessfullyCompletedNotification = PropertyNotified(notifier, n => n.IsSuccessfullyCompleted);
var isCanceledNotification = PropertyNotified(notifier, n => n.IsCanceled);
var isFaultedNotification = PropertyNotified(notifier, n => n.IsFaulted);
var exceptionNotification = PropertyNotified(notifier, n => n.Exception);
var innerExceptionNotification = PropertyNotified(notifier, n => n.InnerException);
var errorMessageNotification = PropertyNotified(notifier, n => n.ErrorMessage);
var resultNotification = PropertyNotified(notifier, n => n.Result);
tcs.SetResult(null);
Assert.IsFalse(taskNotification());
Assert.IsTrue(statusNotification());
Assert.IsTrue(isCompletedNotification());
Assert.IsTrue(isSuccessfullyCompletedNotification());
Assert.IsFalse(isCanceledNotification());
Assert.IsFalse(isFaultedNotification());
Assert.IsFalse(exceptionNotification());
Assert.IsFalse(innerExceptionNotification());
Assert.IsFalse(errorMessageNotification());
Assert.IsTrue(resultNotification());
}
public AddStations(MainWindow mainWindow)
{
GetAllStationsAsync = new NotifyTaskCompletion <List <Stations> >(client.GetAllStationsAsync(new System.Net.Http.HttpClient()));
this.mainWindow = mainWindow;
DataContext = this;
InitializeComponent();
}
public void Notifier_TaskFaulted_NotifiesProperties()
{
var tcs = new TaskCompletionSource();
var notifier = NotifyTaskCompletion.Create(tcs.Task);
var taskNotification = PropertyNotified(notifier, n => n.Task);
var statusNotification = PropertyNotified(notifier, n => n.Status);
var isCompletedNotification = PropertyNotified(notifier, n => n.IsCompleted);
var isSuccessfullyCompletedNotification = PropertyNotified(notifier, n => n.IsSuccessfullyCompleted);
var isCanceledNotification = PropertyNotified(notifier, n => n.IsCanceled);
var isFaultedNotification = PropertyNotified(notifier, n => n.IsFaulted);
var exceptionNotification = PropertyNotified(notifier, n => n.Exception);
var innerExceptionNotification = PropertyNotified(notifier, n => n.InnerException);
var errorMessageNotification = PropertyNotified(notifier, n => n.ErrorMessage);
tcs.SetException(new NotImplementedException());
Assert.IsFalse(taskNotification());
Assert.IsTrue(statusNotification());
Assert.IsTrue(isCompletedNotification());
Assert.IsFalse(isSuccessfullyCompletedNotification());
Assert.IsFalse(isCanceledNotification());
Assert.IsTrue(isFaultedNotification());
Assert.IsTrue(exceptionNotification());
Assert.IsTrue(innerExceptionNotification());
Assert.IsTrue(errorMessageNotification());
}
private void RemoveCandidateProc()
{
var result = MessageBox.Show("Are you sure you want to delete selected candidate?", "Candidate",
MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
try
{
var history =
_repository.History.GetRange(c => c.CandidateId == SelectedCandidate.Model.CandidateId);
var canQual =
_repository.CanQualify.GetRange(c => c.CandidateId == SelectedCandidate.Model.CandidateId);
if (history.Count > 0)
{
MessageBox.Show("Unable to delete candidates with history");
}
else if (canQual.Count > 0)
{
MessageBox.Show("Unable to delete candidates with qualifications.");
}
else
{
NotifyTaskCompletion.Create(RemoveCandidateAsync);
}
}
catch (Exception e)
{
MessageBox.Show("Unable to delete opening");
}
}
}
/// <summary>
/// This enable incremental load of the data.
/// </summary>
/// <param name="count"></param>
/// <param name="baseIndex"></param>
protected override void LoadMoreItems(uint count, int baseIndex)
{
var brokerDataService = DataServices.GetCommissionAgentDataServices();
NotifyTaskCompletion.Create <IEnumerable <CommissionAgentSummaryViewObject> >(
brokerDataService.GetPagedSummaryDoAsync(baseIndex, DefaultPageSize), PagingEvent);
}
public LoginViewModel(IMvxNavigationService navigationService, IAuthService authService, IUserDialogs userDialogs, IValidator validator, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_authService = authService;
_userDialogs = userDialogs;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
ValidateEmailCommand = new MvxCommand(() => _validationHelper.Validate(() => Email));
ValidatePasswordCommand = new MvxCommand(() => _validationHelper.Validate(() => Password));
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
LogInCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(LogInTask.Value))
{
LogInTask.Value = NotifyTaskCompletion.Create(AttemptLogInAsync);
}
});
ShowRegistrationViewModelCommand = new MvxAsyncCommand(async() =>
{
await _navigationService.Navigate <RegistrationViewModel>();
});
}
public async Task Test()
{
var notifyTask = new NotifyTaskCompletion <bool>(async() => await Task.Run(() => true));
await notifyTask;
Assert.IsTrue(notifyTask);
}
public DashboardViewModel(IServiceFactory serviceFactory)
{
_serviceFactory = serviceFactory;
RecalculateCostsForAssemblyCommand = new DelegateCommand<string>(OnRecalculateCostsForAssemblyCommand);
RecalculateCommand = new DelegateCommand<string>(OnRecalculateCommand);
LatestVersion = new NotifyTaskCompletion<string>(getLatestVersionNumberAsync("https://github.com/AlexZhidkov/BedfordHarbourBOM/releases/latest"));
}
protected override async Task OnLoadStateAsync(LoadStateEventArgs e, bool isFirstRun)
{
if(this.View != null)
this.View.GotFocus += View_GotFocus;
this.AppCacheTask = new NotifyTaskCompletion<string>(Platform.Current.Storage.GetAppDataCacheFolderSizeAsync());
await base.OnLoadStateAsync(e, isFirstRun);
}
public ViewModel (IFeeder feeder)
{
_feeder = feeder;
ScheduleEntries = new NotifyTaskCompletion<ObservableCollection<ScheduleEntryViewModel>> (GetSchedule ());
ScheduleEntries.PropertyChanged += (object sender, PropertyChangedEventArgs e) =>
{
if(e.PropertyName == "Result")
{
AddMealCommand = new RelayCommand (o => {
ScheduleEntries.Result.Add (new ScheduleEntryViewModel ());
});
CommitScheduleCommand = new RelayCommand (async o => await SetSchedule (ScheduleEntries.Result));
}
};
RunCommand = new RelayCommand (o => _feeder.Feed ());
}
public CategoriesListViewModel(IProductService service, IAppNavigation navi, IScanner scanner, LogOutCommand logOut)
{
_service = service;
_navi = navi;
_scanner = scanner;
_logOut = logOut;
MessagingCenter.Subscribe<Category>(this, Messages.NavigateTo, NavigateToCategory);
_searchCommand = new Command(Search, () => !string.IsNullOrWhiteSpace(SearchTerm));
ScanCommand = new Command(async () =>
{
var result = await _scanner.Scan();
SearchTerm = result.Text;
Search();
});
AboutCommand = new Command(async () => await _navi.ShowAbout());
Categories = new NotifyTaskCompletion<List<CategoryViewModel>>(GetCategories());
}
protected override async Task OnRefreshAsync(CancellationToken ct)
{
try
{
this.ShowBusyStatus(Strings.Resources.TextLoading, true);
this.RecommendedItemsTask = new NotifyTaskCompletion<IEnumerable<ContentItemBase>>(DataSource.Current.GetRecommendedItemsAsync(ct));
this.FriendsWatchedItemsTask = new NotifyTaskCompletion<IEnumerable<ContentItemBase>>(DataSource.Current.GetFriendsWatchedItemsAsync(ct));
// Load queue data
var list = new QueueCollection();
list.AddRange(await DataSource.Current.GetQueueItemsAsync(Platform.Current.AuthManager.User?.ID, ct));
this.Queue = list;
ct.ThrowIfCancellationRequested();
this.ShowBusyStatus("Updating tiles...");
await Platform.Current.Notifications.CreateOrUpdateTileAsync(this);
this.ClearStatus();
}
catch (OperationCanceledException)
{
this.ShowTimedStatus(Strings.Resources.TextCancellationRequested, 3000);
}
catch (Exception ex)
{
this.ShowTimedStatus(Strings.Resources.TextErrorGeneric);
Platform.Current.Logger.LogError(ex, "Error during RefreshAsync");
}
}
/// <summary>
/// Calls the ILineService with submitted points.
/// </summary>
private async Task AddLine(Point startPoint, Point endPoint)
{
// Clear error message
this.State = CanvasState.BusyState;
this.ErrorMessage = null;
this.TimeMessage = null;
// Query the ILineService with selected start and end points.
this.AddLineTask = new NotifyTaskCompletion<LineQueryResult>(
this.lineService.AddLineAsync(startPoint, endPoint, PathAlgorithm, cancelToken.Token));
LineQueryResult result = await this.AddLineTask.Task;
// Process the query result.
if (this.AddLineTask.IsSuccessfullyCompleted && result.Success)
{
this.Lines.Add(result.Result);
this.TimeMessage = result.Time + " MS";
this.State = CanvasState.ReadyState;
}
else
{
this.ErrorMessage = result.Message;
this.State = CanvasState.ErrorState;
}
}
private void RefreshPurchaseCollection()
{
PurchaseTicketsTask
= new NotifyTaskCompletion<ObservableCollection<PurchaseTicket>>
(_customerOperationProvider.GetAllPurchaseTicketAsync());
}
public WelcomeViewModel(IAppNavigation navi)
{
_navi = navi;
_slim = new SemaphoreSlim(0, 1);
IsBusy = new NotifyTaskCompletion<int>(GoToFirstPage());
}
public MainViewModel()
{
UrlByteCount = new NotifyTaskCompletion<int>(
MyStaticService.CountBytesInUrlAsync("http://www.example.com"));
}
static BillHelper()
{
CateGoryItems = new NotifyTaskCompletion<ObservableCollection<BillCategoryItem>>(getCagegoryTask());
}
public InstagramExplorerViewModel(
IViewModelNavigator navigator,
InstagramExplorer instagramExplorer,
SettingsProvider settings,
ImagePrinter printer, PatternViewModelProvider patternVMProvider,
ImageUtils imageUtils, IMappingEngine mappingEngine)
{
_navigator = navigator;
_printer = printer;
_patternVmProvider = patternVMProvider;
_imageUtils = imageUtils;
_mappingEngine = mappingEngine;
_instagramExplorer = instagramExplorer;
AppSettingsDto appSettings = settings.GetAppSettings();
if (appSettings != null)
_printerName = appSettings.PrinterName;
IsHashTag = true;
SearchAsyncOperation= new NotifyTaskCompletion<ImageResponse>(Task.FromResult(default(ImageResponse)));
_searchTokenSource= new CancellationTokenSource();
}
private void Search(string text)
{
if (!string.IsNullOrEmpty(_previousSearch))
{
if (string.Compare(text, _previousSearch, StringComparison.OrdinalIgnoreCase) != 0)
{
_nextUrl = null;
Images.Clear();
}
}
_previousSearch = text;
SearchCommand.RaiseCanExecuteChanged();
_searchTokenSource.Cancel();
_searchTokenSource= new CancellationTokenSource();
SearchAsyncOperation = new NotifyTaskCompletion<ImageResponse>(SearchUpdateImages(text, _searchTokenSource.Token));
}
public override async Task ExecuteAsync(object parameter)
{
if (!CanExecute(parameter))
{
return;
}
Execution = new NotifyTaskCompletion(_execute());
RaiseCanExecuteChanged();
await Execution.TaskCompletion;
RaiseCanExecuteChanged();
}
private async Task ClearAppDataCacheAsync()
{
await Platform.Current.Storage.ClearAppDataCacheFolderAsync();
this.AppCacheTask = new NotifyTaskCompletion<string>(Platform.Current.Storage.GetAppDataCacheFolderSizeAsync());
}
