public SignUpViewModel(INavigatableScreen screen = null)
{
//Gets intance of INavigatableScreen instance
NavigationScreen = screen ?? Locator.Current.GetService <INavigatableScreen>();
//Observable for all properties and it will be true when
//all this properties will be not empty
var canRegester = this.WhenAny(
x => x.Name,
x => x.RegesterEmail,
x => x.RegesterPassword,
x => x.ConfirmPassword,
(n, e, p, cp) => !string.IsNullOrEmpty(n.Value) &&
!string.IsNullOrEmpty(e.Value) &&
!string.IsNullOrEmpty(p.Value) &&
!string.IsNullOrEmpty(cp.Value) &&
cp.Value == p.Value
);
//Creating reactive command for regester
Regester = ReactiveCommand
.CreateAsyncTask(canRegester, async _ =>
{
IsLoading = true;
string address = RestofitApiHelper.Address;
//bool isReachable = await CrossConnectivity.Current.IsRemoteReachable(address);
var client = new HttpClient()
{
BaseAddress = new Uri(address)
};
var api = RestService.For <IRestaurantApi>(client);
var result = await api.Regester(Name, RegesterEmail, RegesterPassword, ConfirmPassword);
return(result);
});
//When regstir command executing sets true for IsLoading property
//Regester
// .IsExecuting
// .Subscribe(x => IsLoading = true);
//Raises when completes regester command
Regester
.Subscribe(r =>
{
MessageBus.Current.SendMessage("User regestred!");
Debug.WriteLine("Complete!");
IsLoading = false;
});
//Raises when regester throws any exception
Regester
.ThrownExceptions
.Subscribe(ex =>
{
Debug.WriteLine("Error!");
IsLoading = false;
});
}
public SignUpViewModel(INavigatableScreen screen = null)
{
//Gets intance of INavigatableScreen instance
NavigationScreen = screen ?? Locator.Current.GetService<INavigatableScreen>();
//Observable for all properties and it will be true when
//all this properties will be not empty
var canRegester = this.WhenAny(
x => x.Name,
x => x.RegesterEmail,
x => x.RegesterPassword,
x => x.ConfirmPassword,
(n,e, p, cp) => !string.IsNullOrEmpty(n.Value)
&& !string.IsNullOrEmpty(e.Value)
&& !string.IsNullOrEmpty(p.Value)
&& !string.IsNullOrEmpty(cp.Value)
&& cp.Value == p.Value
);
//Creating reactive command for regester
Regester = ReactiveCommand
.CreateAsyncTask(canRegester, async _ =>
{
IsLoading = true;
var client = new HttpClient(NetCache.UserInitiated)
{
BaseAddress = new Uri(Helper.Address)
};
var api = RestService.For<IRestaurantApi>(client);
var result = await api.Regester(Name, RegesterEmail, RegesterPassword, ConfirmPassword);
return result;
});
//When regstir command executing sets true for IsLoading property
//Regester
// .IsExecuting
// .Subscribe(x => IsLoading = true);
//Raises when completes regester command
Regester
.Subscribe(r =>
{
MessageBus.Current.SendMessage("User regestred!");
Debug.WriteLine("Complete!");
IsLoading = false;
});
//Raises when regester throws any exception
Regester
.ThrownExceptions
.Subscribe(ex =>
{
Debug.WriteLine("Error!");
IsLoading = false;
});
}
public BasketViewModel(INavigatableScreen navigationScreen = null)
{
NavigationScreen = navigationScreen;
Orders = new ReactiveList <Order>();
this.WhenAnyValue(x => x.Orders.Count)
.Subscribe(x =>
{
OrdersCount = x;
});
}
public BasketViewModel(INavigatableScreen navigationScreen = null)
{
NavigationScreen = navigationScreen;
Orders = new ReactiveList<Order>();
this.WhenAnyValue(x => x.Orders.Count)
.Subscribe(x =>
{
OrdersCount = x;
});
}
public FoodsViewModel(INavigatableScreen screen = null)
{
OrderableFoods = new ReactiveList <Order>();
OpenOrder = ReactiveCommand.Create();
NavigationScreen = (screen ?? Locator.Current.GetService <INavigatableScreen>());
MainViewModel = Locator.Current.GetService <MainViewModel>();
//var foods = Context.AuthenticationManager.AuthenticatedApi.GetFoods();
//foods.ToObservable()
//.Do(x =>
//{
// var orders = x.Select(f => new Order {Food = f, Id = Guid.NewGuid()});
// OrderableFoods.AddRange(orders);
//})
//.Subscribe();
//OpenOrder.Do(_ =>
// {
// NavigationScreen.Navigation.Navigate.Execute(Locator.Current.GetService<BasketViewModel>());
// }).Subscribe();
}
public FoodsViewModel(INavigatableScreen screen = null)
{
OrderableFoods = new ReactiveList<Order>();
OpenOrder = ReactiveCommand.Create();
NavigationScreen = (screen ?? Locator.Current.GetService<INavigatableScreen>());
MainViewModel = Locator.Current.GetService<MainViewModel>();
var foods = Global.AuthenticationManager.AuthenticatedApi.GetFoods();
foods.ToObservable()
.Do(x =>
{
var orders = x.Select(f => new Order {Food = f, Id = Guid.NewGuid()});
OrderableFoods.AddRange(orders);
})
.Subscribe();
OpenOrder.Do(_ =>
{
NavigationScreen.Navigation.Navigate.Execute(Locator.Current.GetService<BasketViewModel>());
}).Subscribe();
}
public AuthenticationViewModel(INavigatableScreen screen = null)
{
NavigationScreen = (screen ?? Locator.Current.GetService <INavigatableScreen>());
var canLogin = this.WhenAny(x => x.Email, x => x.Password,
(e, p) => !string.IsNullOrEmpty(e.Value) && !string.IsNullOrEmpty(p.Value));
Login = ReactiveCommand
.CreateAsyncTask(canLogin, async _ =>
{
IsBusy = true;
AuthenticationStatus = "started logging...";
Debug.WriteLine(RestofitApiHelper.Address);
var client = new HttpClient(NetCache.UserInitiated)
{
BaseAddress = new Uri(RestofitApiHelper.Address)
};
var api = RestService.For <IRestaurantApi>(client);
var token = await api.GetToken(Email, Password);
AuthenticationStatus = "started authentication...";
Context.AuthenticationManager.AuthenticatedClient = new HttpClient(new AuthenticatedHttpClientHandler(token.access_token))
{
BaseAddress = new Uri(RestofitApiHelper.Address)
};
var info = await Context.AuthenticationManager.AuthenticatedApi.GetUserInfo();
return(info);
});
Login.
Subscribe(x => IsBusy = false);
Login
.ThrownExceptions
.Subscribe(ex =>
{
UserError.Throw("Invalid login or password!");
Debug.WriteLine("Error! - " + ex.Message);
IsBusy = false;
});
#region OpenRegester
OpenRegester = ReactiveCommand.Create();
OpenRegester.Subscribe(x =>
{
var viewModel = Locator.Current.GetService <SignUpViewModel>();
if (viewModel == null)
{
var regViewModel = new SignUpViewModel(NavigationScreen);
Locator.CurrentMutable.RegisterConstant(regViewModel, typeof(SignUpViewModel));
NavigationScreen.Navigation.Navigate.Execute(regViewModel);
}
else
{
NavigationScreen.Navigation.Navigate.Execute(viewModel);
}
});
OpenLogin = ReactiveCommand.Create();
OpenLogin.Subscribe(x =>
{
var authenViewModel = Locator.Current.GetService <AuthenticationViewModel>();
NavigationScreen.Navigation.Navigate.Execute(authenViewModel);
});
#endregion
}
public AuthenticationViewModel(INavigatableScreen screen = null)
{
NavigationScreen = (screen ?? Locator.Current.GetService<INavigatableScreen>());
var canLogin = this.WhenAny(x => x.Email, x => x.Password,
(e, p) => !string.IsNullOrEmpty(e.Value) && !string.IsNullOrEmpty(p.Value));
Login = ReactiveCommand
.CreateAsyncTask(canLogin, async _ =>
{
IsBusy = true;
AuthenticationStatus = "started logging...";
Debug.WriteLine(Helper.Address);
var client = new HttpClient(NetCache.UserInitiated)
{
BaseAddress = new Uri(Helper.Address)
};
var api = RestService.For<IRestaurantApi>(client);
var token = await api.GetToken(Email, Password);
AuthenticationStatus = "started authentication...";
Global.AuthenticationManager.AuthenticatedClient = new HttpClient(new AuthenticatedHttpClientHandler(token.access_token))
{
BaseAddress = new Uri(Helper.Address)
};
var info = await Global.AuthenticationManager.AuthenticatedApi.GetUserInfo();
return info;
});
Login.
Subscribe(x => IsBusy = false);
Login
.ThrownExceptions
.Subscribe(ex =>
{
UserError.Throw("Invalid login or password!");
Debug.WriteLine("Error! - " + ex.Message);
IsBusy = false;
});
#region OpenRegester
OpenRegester = ReactiveCommand.Create();
OpenRegester.Subscribe(x =>
{
var viewModel = Locator.Current.GetService<SignUpViewModel>();
if (viewModel == null)
{
var regViewModel = new SignUpViewModel(NavigationScreen);
Locator.CurrentMutable.RegisterConstant(regViewModel, typeof(SignUpViewModel));
NavigationScreen.Navigation.Navigate.Execute(regViewModel);
}
else
{
NavigationScreen.Navigation.Navigate.Execute(viewModel);
}
});
OpenLogin = ReactiveCommand.Create();
OpenLogin.Subscribe(x =>
{
var authenViewModel = Locator.Current.GetService<AuthenticationViewModel>();
NavigationScreen.Navigation.Navigate.Execute(authenViewModel);
});
#endregion
}
