/// <summary>
/// Sets the theme for the app.
/// </summary>
async Task SetAppTheme(AppThemeViewModel theme)
{
try
{
Application.Current.UserAppTheme = theme.Key;
Settings.AppTheme = theme.Key;
foreach (var item in AppThemes)
{
item.IsSelected = false;
}
AppThemes.FirstOrDefault(x => x.Key == Settings.AppTheme).IsSelected = true;
RaisePropertyChanged(nameof(AppThemes));
//var statusBar = DependencyService.Get<IStatusBar>();
//statusBar?.SetStatusBarColor((OSAppTheme)theme.Key, Color.Black);
HapticFeedback.Perform(HapticFeedbackType.Click);
AnalyticsService.Track("App Theme Changed", nameof(theme), ((OSAppTheme)theme.Key).ToString() ?? "null");
}
catch (Exception ex)
{
await DialogService.AlertAsync(Translations.error_couldntchangetheme, Translations.error_title, Translations.ok).ConfigureAwait(false);
AnalyticsService.Report(ex);
}
}
async Task SignIn()
{
try
{
// Pop a sign in request up for the user.
if (await AuthService.SignInAsync().ConfigureAwait(false))
{
AnalyticsService.Track("User Logged In");
MainThread.BeginInvokeOnMainThread(() =>
{
NavigationHelper.SetRootView(nameof(TabbedMainPage), false);
});
}
else
{
AnalyticsService.Track("Invalid MVP Account Used");
await DialogService.AlertAsync(Resources.Translations.error_nomvpaccount, Resources.Translations.error_title, Resources.Translations.ok);
}
}
catch (Exception e)
{
AnalyticsService.Report(e);
await DialogService.AlertAsync(Resources.Translations.error_unexpected, Resources.Translations.error_title, Resources.Translations.ok);
}
}
private async Task <bool> ValidateSave()
{
string msg = "";
if (string.IsNullOrEmpty(CurrentPixKey?.Key))
{
msg += "- Chave não informada\n";
}
if (string.IsNullOrEmpty(CurrentPixKey?.Name))
{
msg += "- Nome não informado\n";
}
if (string.IsNullOrEmpty(CurrentPixKey?.City))
{
msg += "- Cidade não informada\n";
}
//if (string.IsNullOrEmpty(CurrentPixKey?.FinancialInstitution?.Name))
// msg += "- Selecione uma instituição financeira\n";
if (!string.IsNullOrEmpty(msg))
{
await DialogService.AlertAsync(msg, "Ops! Parece que faltou algo");
return(false);
}
return(true);
}
async Task SignIn()
{
try
{
// Pop a sign in request up for the user.
if (await AuthService.SignInAsync().ConfigureAwait(false))
{
AnalyticsService.Track("User Logged In");
MainThread.BeginInvokeOnMainThread(() =>
{
NavigationHelper.SetRootView(nameof(TabbedMainPage), false);
});
}
else
{
if (Device.RuntimePlatform == Device.iOS)
{
await OpenModalAsync(nameof(LoginPage), null, true);
}
else
{
await NavigateAsync(nameof(LoginPage), null);
}
}
}
catch (Exception e)
{
AnalyticsService.Report(e);
await DialogService.AlertAsync(Resources.Translations.error_unexpected, Resources.Translations.error_title, Resources.Translations.ok);
}
}
private async Task LoginAsync()
{
IsBusy = true;
try
{
var logged = await userService.LoginAsync();
if (logged)
{
NavigationService.NavigateTo(Constants.HomePage, HistoryBehavior.ClearHistory);
}
}
catch (InvalidOperationException)
{
/* Authentication was canceled by the user. */
IsBusy = false;
}
catch
{
await DialogService.AlertAsync("An error occurred while logging in.");
IsBusy = false;
}
}
protected virtual async void OnNetworkAvailabilityChanged()
{
if (!IsConnected)
{
await DialogService.AlertAsync("The device seems to be offline. Check your Internet connection.", "Network");
}
}
private async Task AcceptProofRequest()
{
if (_proofRecord.State != ProofState.Requested)
{
await DialogService.AlertAsync(string.Format(AppResources.ProofStateShouldBeMessage, ProofStateTranslator.Translate(ProofState.Requested)));
return;
}
RequestedCredentials requestedCredentials = new RequestedCredentials()
{
RequestedAttributes = new Dictionary <string, RequestedAttribute>(),
RequestedPredicates = new Dictionary <string, RequestedAttribute>()
};
foreach (ProofAttributeViewModel proofAttribute in Attributes)
{
if (proofAttribute.IsPredicate)
{
requestedCredentials.RequestedPredicates.Add(proofAttribute.Id, new RequestedAttribute {
CredentialId = proofAttribute.CredentialId, Revealed = proofAttribute.IsRevealed
});
}
else
{
requestedCredentials.RequestedAttributes.Add(proofAttribute.Id, new RequestedAttribute {
CredentialId = proofAttribute.CredentialId, Revealed = proofAttribute.IsRevealed
});
}
}
// TODO: Mettre le Timestamp à null car lorsqu'il est présent, la création de la preuve ne marche pas. Pourquoi?
//foreach (var keyValue in requestedCredentials.RequestedAttributes.Values)
//{
// keyValue.Timestamp = null;
//}
var context = await _agentContextProvider.GetContextAsync();
ProofRecord proofRecord = await _recordService.GetAsync <ProofRecord>(context.Wallet, _proofRecord.Id);
var(msg, rec) = await _proofService.CreatePresentationAsync(context, proofRecord.Id, requestedCredentials);
if (string.IsNullOrEmpty(proofRecord.ConnectionId))
{
await _messageService.SendAsync(context.Wallet, msg, proofRecord.GetTag("RecipientKey"), proofRecord.GetTag("ServiceEndpoint"));
}
else
{
ConnectionRecord connectionRecord = await _recordService.GetAsync <ConnectionRecord>(context.Wallet, proofRecord.ConnectionId);
await _messageService.SendAsync(context.Wallet, msg, connectionRecord);
}
_eventAggregator.Publish(new ApplicationEvent {
Type = ApplicationEventType.ProofRequestUpdated
});
await NavigationService.PopModalAsync();
}
private async Task LoginAsync()
{
IsBusy = true;
IsLoggingIn = true;
try
{
var isLogged = await userService.LoginAsync();
this.CheckLoginResult(isLogged);
}
catch (InvalidOperationException)
{
/* Authentication was canceled by the user. */
}
catch
{
await DialogService.AlertAsync("An error occurred while logging in.");
}
finally
{
IsBusy = false;
IsLoggingIn = false;
}
}
private async void Alert(object sender, RoutedEventArgs e)
{
Log("Showing alert");
var resolver = UseCustomResourceResolver.IsChecked.Value ? new CustomResolver() : null;
var result = await _dialog.AlertAsync(AlertTextBox.Text, resolver);
Log($"Alert result: {result}");
}
protected async Task <bool> VerifyInternetConnection()
{
if (Connectivity.NetworkAccess != NetworkAccess.Internet)
{
// Connection to internet is not available
await DialogService.AlertAsync(Translations.error_offline, Translations.error_offline_title, Translations.ok).ConfigureAwait(false); return(false);
}
return(true);
}
private async void ExecuteVerificarPokemonCommand()
{
await CrossMedia.Current.Initialize();
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
{
await DialogService.AlertAsync("Erro na Camera", "Camera indisponivel.", "OK");
return;
}
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
Directory = "Pokemons",
Name = $"pokemon{DateTime.Now.ToString("ddMMyyyyHHmmss")}.jpg",
PhotoSize = PhotoSize.Small
});
if (file == null)
{
await DialogService.AlertAsync("Erro na Camera", "Erro ao capturar a imagem.", "OK");
return;
}
string result = string.Empty;
Pokemon pokemon = null;
using (var Dialog = UserDialogs.Instance.Loading("Processando..", null, null, true, MaskType.Black))
{
var fileInfo = new FileInfo(file.Path);
result = await _CustomVision.GetClassifyImage(file);
if (string.IsNullOrEmpty(result))
{
await DialogService.AlertAsync("Pokedex", "Pokemon não encontrado.", "OK");
return;
}
pokemon = await _PokemonService.GetPokemon(result);
}
if (pokemon != null)
{
var parametros = new NavigationParameters();
parametros.Add("pokemon", pokemon);
await NavigationService.NavigateToAsync <PokemonViewModel>(parametros);
}
}
async void MvpApiService_RequestErrorOccurred(object sender, Services.Helpers.ApiServiceEventArgs e)
{
if (e.IsBadRequest)
{
await DialogService.AlertAsync(Translations.error_badrequest, Translations.error_title, Translations.ok);
}
else if (e.IsServerError)
{
await DialogService.AlertAsync(Translations.error_servererror, Translations.error_title, Translations.ok);
}
}
/// <summary>
/// Deletes a contribution.
/// </summary>
async Task DeleteContribution()
{
try
{
// Shouldn't be getting here anyway, so no need for a message.
if (!CanBeEdited)
{
return;
}
if (!await VerifyInternetConnection())
{
return;
}
// Ask for confirmation before deletion.
var confirm = await DialogService.ConfirmAsync(Translations.contributiondetail_deleteconfirmation, Translations.warning_title, Translations.ok, Translations.cancel).ConfigureAwait(false);
if (!confirm)
{
return;
}
State = LayoutState.Loading;
var isDeleted = await MvpApiService.DeleteContributionAsync(Contribution);
if (isDeleted)
{
// TODO: Pass back true to indicate it needs to refresh.
// TODO: Be a bit more sensible with muh threads plz.
MainThread.BeginInvokeOnMainThread(() => HapticFeedback.Perform(HapticFeedbackType.LongPress));
AnalyticsService.Track("Contribution Deleted");
await MainThread.InvokeOnMainThreadAsync(() => BackAsync());
//MessagingService.Current.SendMessage(MessageKeys.HardRefreshNeeded);
MessagingService.Current.SendMessage(MessageKeys.HardRefreshNeeded);
}
else
{
await DialogService.AlertAsync(Translations.contributiondetail_notdeleted, Translations.error_title, Translations.ok).ConfigureAwait(false);
}
}
catch (Exception ex)
{
AnalyticsService.Report(ex);
await DialogService.AlertAsync(Translations.error_unexpected, Translations.error_title, Translations.ok).ConfigureAwait(false);
}
finally
{
State = LayoutState.None;
}
}
public async Task <bool> IsGalleryGrantedAsync()
{
var isGranted = await _permissionService.RequestPermissionAsync(FeaturePermission.Photos) == PermissionStatus.Granted;
if (!isGranted)
{
await DialogService.AlertAsync("Allow using media library to pick photo", "Library usage", "OK");
Cancel();
}
return(isGranted);
}
public async Task <bool> IsCameraGrantedAsync()
{
var isGranted = await _permissionService.RequestPermissionAsync(FeaturePermission.Camera) == PermissionStatus.Granted;
if (!isGranted)
{
await DialogService.AlertAsync("Allow using camera to take photo", "Camera usage", "OK");
Cancel();
}
return(isGranted);
}
async Task NavigationOccurred(WebNavigatedEventArgs e)
{
switch (e.Result)
{
case WebNavigationResult.Success:
if (e.Url.Contains("code="))
{
var myUri = new Uri(e.Url);
var authCode = myUri.ExtractQueryValue("code");
var token = await App.AuthService.RequestAuthorizationAsync(authCode);
if (string.IsNullOrEmpty(token))
{
// Not authed
AnalyticsService.Track("Invalid MVP Account Used");
await DialogService.AlertAsync(Resources.Translations.error_nomvpaccount, Resources.Translations.error_title, Resources.Translations.ok);
}
else
{
// Authed
await BackAsync();
AnalyticsService.Track("User Logged In");
MainThread.BeginInvokeOnMainThread(() =>
{
NavigationHelper.SetRootView(nameof(TabbedMainPage), false);
});
}
}
else if (e.Url.Contains("lc="))
{
// Redirect to signin page if there's a bounce
WebSource = Constants.SignInUrl;
}
break;
case WebNavigationResult.Failure:
break;
case WebNavigationResult.Timeout:
break;
case WebNavigationResult.Cancel:
break;
default:
break;
}
}
/// <summary>
/// Loads more contributions when scrolled to the bottom.
/// </summary>
async Task LoadMore()
{
if (IsLoadingMore)
{
return;
}
if (!await VerifyInternetConnection())
{
return;
}
try
{
IsLoadingMore = true;
var contributionsList = await MvpApiService.GetContributionsAsync(Contributions.Count, pageSize).ConfigureAwait(false);
if (contributionsList == null)
{
await DialogService.AlertAsync(Translations.error_couldntloadmorecontributions, Translations.error_title, Translations.ok).ConfigureAwait(false);
return;
}
foreach (var item in contributionsList.Contributions.OrderByDescending(x => x.StartDate))
{
Contributions.Add(item);
}
AnalyticsService.Track("More Contributions Loaded");
// If we've reached the end, change the threshold.
if (!contributionsList.Contributions.Any())
{
ItemThreshold = -1;
return;
}
}
catch (Exception ex)
{
AnalyticsService.Report(ex);
await DialogService.AlertAsync(Translations.error_couldntloadmorecontributions, Translations.error_title, Translations.ok).ConfigureAwait(false);
}
finally
{
IsLoadingMore = false;
}
}
private async Task RefreshAsync()
{
IsBusy = true;
try
{
await timelineService.LoadAsync();
}
catch
{
await DialogService.AlertAsync("An error occurred while refreshing the timeline.");
}
finally
{
MessengerInstance.Send(new NotificationMessage(Constants.RefreshCompleted));
IsBusy = false;
}
}
/// <summary>
/// Sets the app's language.
/// </summary>
async Task SetAppLanguage(LanguageViewModel language)
{
try
{
languageService.PreferredLanguage = language.CI;
if (Device.RuntimePlatform == Device.Android)
{
await DialogService.AlertAsync(Translations.please_reboot_app_language_change, Translations.warning_title, Translations.ok);
}
}
catch (Exception ex)
{
await DialogService.AlertAsync(Translations.error_couldntchangelanguage, Translations.error_title, Translations.ok).ConfigureAwait(false);
AnalyticsService.Report(ex);
}
}
/// <summary>
/// Handles expired access tokens.
/// </summary>
async void MvpApiService_AccessTokenExpired(object sender, Services.Helpers.ApiServiceEventArgs e)
{
// If the access token expired, we need to sign in again,
// because we might've lost our auth.
var result = await AuthService.SignInAsync();
if (!result)
{
// Show a message that data could not be refreshed. Also forward the user back to getting started
// telling the user that a logout has occurred.
await DialogService.AlertAsync(Translations.alert_error_unauthorized, Translations.error_title, Translations.ok);
// Move the user over to Getting Started.
await AuthService.SignOutAsync();
var navHelper = Resolver.Resolve <INavigationHelper>();
navHelper.SetRootView(nameof(IntroPage));
}
}
private async Task SendAsync()
{
IsBusy = true;
try
{
// Sends the comment to the mobile app.
await timelineService.SendCommentAsync(post, message);
Message = null;
}
catch
{
await DialogService.AlertAsync("An error occurred while sending the comment.");
}
finally
{
IsBusy = false;
}
}
private async Task RefreshAsync()
{
IsBusy = true;
try
{
await timelineService.LoadCommentsOfAsync(Post);
RaisePropertyChanged(() => Post);
}
catch
{
await DialogService.AlertAsync("An error occurred while refreshing comments.");
}
finally
{
MessengerInstance.Send(new NotificationMessage(Constants.RefreshCompleted));
IsBusy = false;
}
}
/// <summary>
/// Sets the app icon to whatever the user chose.
/// </summary>
async Task SetAppIcon(AppIconViewModel icon)
{
try
{
var iconSwitcher = DependencyService.Get <IIconService>();
if (iconSwitcher == null)
{
return;
}
if (icon.Key == AppIcon.Default)
{
await iconSwitcher?.SwitchAppIcon(null);
}
else
{
await iconSwitcher?.SwitchAppIcon(icon.Key.ToString());
}
Settings.AppIcon = icon.Key;
foreach (var item in AppIcons)
{
item.IsSelected = false;
}
AppIcons.FirstOrDefault(x => x.Key == Settings.AppIcon).IsSelected = true;
RaisePropertyChanged(nameof(AppIcons));
HapticFeedback.Perform(HapticFeedbackType.Click);
AnalyticsService.Track("App Icon Changed", nameof(icon), icon.Key.ToString() ?? "null");
}
catch (Exception ex)
{
await DialogService.AlertAsync(Translations.error_couldntchangeicon, Translations.error_title, Translations.ok).ConfigureAwait(false);
AnalyticsService.Report(ex);
}
}
private async Task AcceptCredentialOffer(CredentialRecord credentialRecord)
{
if (credentialRecord.State != CredentialState.Offered)
{
await DialogService.AlertAsync(string.Format("res-CredentialStateShouldBe", CredentialState.Offered));
await NavigationService.PopModalAsync();
return;
}
await _poolConfigurator.ConfigurePoolsAsync();
var context = await _agentContextProvider.GetContextAsync();
var(msg, rec) = await _credentialService.CreateRequestAsync(context, credentialRecord.Id);
var connectionRecord = await _connectionService.GetAsync(context, credentialRecord.ConnectionId);
if (connectionRecord == null)
{
//await _messageService.SendAsync(context.Wallet, msg, conectionRecord.TheirVk ?? rec.GetTag("InvitationKey") ?? throw new InvalidOperationException("Cannot locate recipient Key"), conectionRecord.Endpoint.Uri,
// conectionRecord.Endpoint?.Verkey == null ? null : conectionRecord.Endpoint.Verkey, conectionRecord.MyVk);
await DialogService.AlertAsync("Connection-less credentials not supported.");
return;
}
else
{
await _messageService.SendAsync(context.Wallet, msg, connectionRecord);
}
_eventAggregator.Publish(new ApplicationEvent()
{
Type = ApplicationEventType.CredentialUpdated
});
await NavigationService.PopModalAsync();
}
private async Task SendAsync()
{
IsBusy = true;
try
{
// Sends the post to the mobile app.
await timelineService.SendPostAsync(message, PostOnFacebook);
Message = null;
NavigationService.GoBack();
}
catch
{
await DialogService.AlertAsync("An error occurred while sending the post.");
}
finally
{
IsBusy = false;
}
}
private async Task RejectCredentialOffer()
{
if (_credential.State != CredentialState.Offered)
{
await DialogService.AlertAsync(string.Format("res-CredentialStateShouldBe", CredentialState.Offered));
await NavigationService.PopModalAsync();
return;
}
var context = await _agentContextProvider.GetContextAsync();
await _credentialService.RejectOfferAsync(context, _credential.Id);
_eventAggregator.Publish(new ApplicationEvent()
{
Type = ApplicationEventType.CredentialUpdated
});
await NavigationService.PopModalAsync();
}
async Task SignIn()
{
try
{
// Pop a sign in request up for the user.
if (await AuthService.SignInAsync().ConfigureAwait(false))
{
MainThread.BeginInvokeOnMainThread(() =>
{
NavigationHelper.SetRootView(nameof(TabbedMainPage), false);
});
}
else
{
await DialogService.AlertAsync("Couldn't authenticate you using the provided credentials. Are you sure you are using the account associated to your MVP ID?", Alerts.Error, Alerts.OK);
}
}
catch (Exception e)
{
AnalyticsService.Report(e);
await DialogService.AlertAsync(Alerts.UnexpectedError, Alerts.Error, Alerts.OK);
}
}
public override async void Activate(object parameter)
{
IsBusy = true;
if (!await userService.EnsureLoggedInAsync())
{
return;
}
// Ensures user's information is notificated to the UI.
RaisePropertyChanged(() => User);
try
{
var postId = parameter.ToString();
Post = await timelineService.GetPostAsync(postId);
if (Post == null)
{
NavigationService.GoBack();
return;
}
}
catch
{
await DialogService.AlertAsync("An error occurred while getting post details.");
NavigationService.GoBack();
}
finally
{
IsBusy = false;
}
base.Activate(parameter);
}
public async Task ExecuteAuthorizeCommand()
{
var externalUrl = _accountService.CreateAuthorizationRequest();
try
{
var codeResult = await WebAuthenticator.AuthenticateAsync(new Uri(externalUrl), new Uri(GlobalSettings.Instance.Callback));
var code = codeResult.Properties["code"];
if (!string.IsNullOrEmpty(code))
{
using var loading = DialogService.Loading("Authenticating... please wait");
var loginResult = await _accountService.ExchangeCodeForToken(code);
if (loginResult.Item1 == helpers.Common.CallStatus.Success)
{
await NavigationService.PushAsync(new SuccessPage());
}
else
{
await DialogService.AlertAsync("Authentication is not successful, something went wrong", "Alert", "OK");
}
}
}
catch (OperationCanceledException ex)
{
_ = ex;
//await DialogService.AlertAsync("Login has been canceled.", "Alert", "OK");
}
catch (Exception ex)
{
_ = ex;
await DialogService.AlertAsync("Authentication is not successful, something went wrong", "Alert", "OK");
}
}
async Task DeleteContribution()
{
try
{
// Shouldn't be getting here anyway, so no need for a message.
if (!Contribution.StartDate.IsWithinCurrentAwardPeriod())
{
return;
}
// Ask for confirmation before deletion.
var confirm = await DialogService.ConfirmAsync("Are you sure you want to delete this contribution? You cannot undo this.", Alerts.HoldOn, Alerts.OK, Alerts.Cancel);
if (!confirm)
{
return;
}
var isDeleted = await MvpApiService.DeleteContributionAsync(Contribution);
if (isDeleted)
{
// TODO: Pass back true to indicate it needs to refresh.
await NavigationHelper.BackAsync().ConfigureAwait(false);
}
else
{
await DialogService.AlertAsync("Your contribution could not be deleted. Perhaps it was already deleted, or it took place in the previous award period?", Alerts.Error, Alerts.OK);
}
}
catch (Exception ex)
{
AnalyticsService.Report(ex);
await DialogService.AlertAsync(Alerts.UnexpectedError, Alerts.Error, Alerts.OK).ConfigureAwait(false);
}
}