/// <summary>
/// Loads current lunches.
/// </summary>
private async Task Initialize()
{
var lunches = await App.Api.GetAsync <IEnumerable <Lunch> >("Lunch");
if (null != lunches && lunches.Any())
{
await DispatchHelper.RunAsync(() =>
{
NoLunchesStringVisibility = Visibility.Collapsed;
lunches.ForEach(x => Lunches.Add(x));
});
}
}
/// <summary>
/// Creates a new WelcomeViewModel with the default OOBE items.
/// </summary>
public WelcomeViewModel()
{
WelcomeItems = new ObservableCollection <WelcomeItem>(new[]
{
new WelcomeItem(
"Welcome to Lunch Scheduler",
"The easiest way to organize lunch with your friends, family, or coworkers.",
ImageBase + "Lunchbox.png"),
new WelcomeItem(
"Organizing made easy",
"Hungry? Avoid endless back-and-forth emails or texts. Simply tap 'New Lunch' " +
"on the main menu and pick a who, where, and when. We'll take care of the rest.",
ImageBase + "Plate.png"),
new WelcomeItem(
"Discover local delights",
"When you're scheduling a new lunch, Lunch Scheduler can use your current location to " +
"suggest tasty restaurants nearby.",
ImageBase + "Location.png",
async() => await DispatchHelper.RunAsync(async() => await Geolocator.RequestAccessAsync())),
new WelcomeItem(
"Get signed up",
"To keep track of everything, you'll need an account with Lunch Scheduler. You can log in " +
"with an existing Microsoft, Google, or Facebook account. Lunch Scheduler will never post " +
"to your wall or send you unsolicted email. And there's no extra passwords to remember.",
ImageBase + "Keys.png",
AccountsSettingsPane.Show),
new WelcomeItem(
"Be notified",
"Invited to lunch? We'll let you know with a push notification or text message." +
" You can see the location and who's invited before you RSVP.",
ImageBase + "Notification.png",
async() => await new PhoneSignUpDialog().ShowAsync()),
new WelcomeItem(
"Good to go!",
"You're all set! Enjoy lunching!",
ImageBase + "Check.png",
() => Window.Current.Content = new Views.Shell()),
new WelcomeItem("", "", "")
});
SelectedWelcomeItem = WelcomeItems[0];
}
/// <summary>
/// Shows the add friend dialog to add a friend.
/// </summary>
public async void AddFriend()
{
await DispatchHelper.RunAsync(async() =>
{
var dialog = new AddFriendDialog();
dialog.FriendAdded += async(s, e) =>
{
var friend = await App.Api.GetAsync <User>("Users", new { Email = e });
if (null != friend)
{
Friends.Add(friend);
}
};
await dialog.ShowAsync();
});
}
/// <summary>
/// Invokes a command when the user navigates from a welcome item.
/// </summary>
private async void OnSelectedWelcomeItemChanged()
{
IsEnabled = false;
if (null != WelcomeItems)
{
int index = WelcomeItems.IndexOf(SelectedWelcomeItem) - 1;
if (index >= 0 && null != WelcomeItems[index]?.OnNavigatedFrom)
{
WelcomeItems[index].OnNavigatedFrom();
}
ChangeFontSize();
await Task.Run(async() =>
{
await Task.Delay(1000);
await DispatchHelper.RunAsync(() => IsEnabled = true);
});
}
}
/// <summary>
/// Loads possible lunch locations based on the user's current location.
/// </summary>
private async Task Initialize()
{
await DispatchHelper.RunAsync(async() =>
{
var restaurants = new List <Location>
{
new Location
{
Name = "Custom",
ImageUrl = @"ms-appx:///Assets/Plus.png"
}
};
if (await Geolocator.RequestAccessAsync() == GeolocationAccessStatus.Allowed)
{
var location = await new Geolocator().GetGeopositionAsync();
var nearby = await App.Api.GetAsync <IEnumerable <Location> >("Locations",
new { location.Coordinate.Point.Position.Longitude, location.Coordinate.Point.Position.Latitude });
restaurants.AddRange(nearby);
}
restaurants.ForEach(x => Locations.Add(x));
});
}
/// <summary>
/// Shows the phone notification registration dialog.
/// </summary>
public async void RegisterPhone() => await DispatchHelper.RunAsync(
async() => await new PhoneSignUpDialog().ShowAsync());