protected async void DeleteRecord(object sender, EventArgs e)
{
var shouldDelete = await DisplayAlert("Confirm Delete",
"Are you sure you want to permanently delete this newcomer?", "Yes", "No");
if (shouldDelete)
{
if (((SwipeItemView)sender).BindingContext is NewcomerViewModel newcomer)
{
await _newcomerClient.DeleteNewcomer(newcomer.Id);
// refresh view
collectionDateEntries.ItemsSource = _dateRecords.Where(x => x.Id != newcomer.Id);
// notify user
ToastService.DisplaySuccess("Entry successfully removed.");
}
else
{
ToastService.DisplayError("An error occurred when deleting the entry.");
}
}
else
{
ToastService.DisplayInfo("Operation cancelled.");
}
}
protected async void Login(object sender, EventArgs e)
{
var email = txtEmail.Text;
if (string.IsNullOrWhiteSpace(email))
{
await DisplayAlert("Error", "The email address field is required.", "Ok");
return;
}
txtEmail.IsEnabled = false;
btnLogin.IsVisible = false;
prgLoading.IsVisible = true;
try
{
var response = await _authClient.Login(email);
var tokenClient = new TokenClient();
tokenClient.SetAuth(email, response.Token, response.ExpiresAt);
// send to home page
Navigation.InsertPageBefore(new RootPage(), this);
await Navigation.PopAsync();
}
catch (ApiException)
{
txtEmail.IsEnabled = true;
btnLogin.IsVisible = true;
prgLoading.IsVisible = false;
ToastService.DisplayError("Sorry, you cannot access this app at this time.");
}
}
protected async void Record(object sender, EventArgs e)
{
var newcomer = BindingContext as NewcomerBindingModel;
// validate inputs
var validationResult = await _newcomerValidator.ValidateAsync(newcomer);
if (!validationResult.IsValid)
{
var errors = validationResult.Errors
.Aggregate(string.Empty, (x, y) => x + " - " + y.ErrorMessage + Environment.NewLine);
var result = await DisplayAlert("Warning",
$"There were some issues with the entry: {Environment.NewLine}{Environment.NewLine}{errors} {Environment.NewLine}Do you want to proceed?",
"Yes", "No");
if (!result)
{
return;
}
}
// disable the button
btnSave.IsVisible = false;
prgSaving.IsVisible = true;
try
{
newcomer.BirthDay = $"{cmbMonths.SelectedItem} {cmbDays.SelectedItem}";
await _newcomerClient.Register(newcomer);
// alert the user
ToastService.DisplaySuccess("Newcomer successfully recorded.");
// set the controls
await ResetControlsAsync();
}
catch (ApiException ex)
{
ToastService.DisplayError(ex.Content);
}
catch (HttpRequestException)
{
ToastService.DisplayError("An error occurred.");
}
finally
{
// enable buttons
prgSaving.IsVisible = false;
btnSave.IsVisible = true;
}
}
protected async void RegisterAttendance(object sender, EventArgs e)
{
stkButtons.IsVisible = false;
prgSubmit.IsVisible = true;
try
{
var attendee = new AttendeeV2BindingModel
{
SeatAssigned = txtSeatNumber.Text,
SeatType = cmbSeatType.SelectedItem.ToString(),
PersonId = _personId
};
await _attendanceClient.Register(attendee);
// alert the user
ToastService.DisplaySuccess("Attendee successfully registered.");
Dismiss(null);
}
catch (ApiException ex) when(ex.StatusCode == HttpStatusCode.NotFound)
{
var error = await ex.GetContentAsAsync <ErrorViewModel>();
ToastService.DisplayError(error?.Message);
}
catch (ApiException ex) when(ex.StatusCode == HttpStatusCode.Conflict)
{
var error = await ex.GetContentAsAsync <ErrorViewModel>();
ToastService.DisplayError(error?.Message);
Dismiss(null);
}
catch (ApiException ex)
{
ToastService.DisplayError(ex.Content ?? "An error occured.");
}
catch (HttpRequestException)
{
ToastService.DisplayError("An error occurred.");
}
finally
{
prgSubmit.IsVisible = false;
stkButtons.IsVisible = true;
}
}
protected async void OpenScanner(object sender, EventArgs e)
{
var scanner = DependencyService.Get <IQrScanService>();
var result = await scanner.ScanAsync();
if (string.IsNullOrWhiteSpace(result))
{
ToastService.DisplayInfo("Scan unsuccessful.");
return;
}
// verify it is an object id
if (!ObjectId.TryParse(result, out _))
{
ToastService.DisplayError("Invalid scan result. Try again!");
return;
}
var popup = new AttendanceRegistration(result);
await Navigation.ShowPopupAsync(popup);
}
protected async void GenerateDateReport(object sender, EventArgs e)
{
var email = await DisplayPromptAsync("Report", "What email address should the report be sent to?",
"Send", "Cancel", "e.g [email protected] (optional)", keyboard : Keyboard.Email);
if (email == null)
{
ToastService.DisplayInfo("Operation cancelled.");
return;
}
if (((SwipeItemView)sender).BindingContext is DateSummaryViewModel summary)
{
await _attendanceClient.SendAttendanceReport(summary.Date, email);
ToastService.DisplaySuccess("Report successfully generated and sent.");
}
else
{
ToastService.DisplayError("An error occurred when sending the report.");
}
}