Added more basket API methods

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Controls/BindablePicker.cs

@@ -23,6 +23,7 @@ namespace eShopOnContainers.Core.Controls
                 }
 
                 var index = 0;
+
                 foreach (var item in ItemsSource)
                 {
                     if (index == SelectedIndex)
@@ -30,6 +31,7 @@ namespace eShopOnContainers.Core.Controls
                         SelectedItem = item;
                         break;
                     }
+
                     index++;
                 }
             };
@@ -62,6 +64,7 @@ namespace eShopOnContainers.Core.Controls
             if (ItemsSource != null)
             {
                 var index = 0;
+
                 foreach (var item in ItemsSource)
                 {
                     string strItem = item?.ToString();
@@ -73,6 +76,7 @@ namespace eShopOnContainers.Core.Controls
                         selectedIndex = index;
                         break;
                     }
+
                     index++;
                 }
             }
@@ -102,10 +106,8 @@ namespace eShopOnContainers.Core.Controls
         {
             var boundPicker = (BindablePicker)bindable;
 
-            if (boundPicker.ItemSelected != null)
+            boundPicker.ItemSelected?.Invoke(boundPicker, 
-            {
+                new SelectedItemChangedEventArgs(newValue));
-                boundPicker.ItemSelected(boundPicker, new SelectedItemChangedEventArgs(newValue));
-            }
 
             boundPicker.InternalUpdateSelectedIndex();
         }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/GlobalSettings.cs

@@ -7,5 +7,7 @@
         public const string CatalogEndpoint = "http://104.40.62.65:5101/";
 
         public const string BasketEndpoint = "http://104.40.62.65:5103/";
+
+        public const string IdentityEndpoint = "http://104.40.62.65:5105/";
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Models/Basket/BasketItem.cs

@@ -67,11 +67,14 @@ namespace eShopOnContainers.Core.Models.Basket
             get { return _quantity; }
             set
             {
-                _quantity = value;
+                if (_quantity != value)
-                RaisePropertyChanged(() => Quantity);
+                {
-                RaisePropertyChanged(() => Total);
+                    _quantity = value;
+                    RaisePropertyChanged(() => Quantity);
+                    RaisePropertyChanged(() => Total);
 
-                MessagingCenter.Send(this, MessengerKeys.UpdateProduct);
+                    MessagingCenter.Send(this, MessengerKeys.UpdateProduct);
+                }
             }
         }
 

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Models/Orders/OrderItem.cs

@@ -3,7 +3,6 @@ using eShopOnContainers.Core.ViewModels.Base;
 using eShopOnContainers.ViewModels.Base;
 using System;
 using System.Collections.ObjectModel;
-using Xamarin.Forms;
 
 namespace eShopOnContainers.Core.Models.Orders
 {
@@ -71,8 +70,6 @@ namespace eShopOnContainers.Core.Models.Orders
                 _quantity = value;
                 RaisePropertyChanged(() => Quantity);
                 RaisePropertyChanged(() => Total);
-
-                MessagingCenter.Send(this, MessengerKeys.UpdateProduct);
             }
         }
 

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Basket/BasketMockService.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Xamarin.Forms;
-using System;
 
 namespace eShopOnContainers.Core.Services.Basket
 {
@@ -38,5 +37,15 @@ namespace eShopOnContainers.Core.Services.Basket
 
             return MockCustomBasket;
         }
+
+        public async Task ClearBasketAsync(string guidUser)
+        {
+            await Task.Delay(500);
+
+            if (!string.IsNullOrEmpty(guidUser))
+            {
+                MockCustomBasket.Items.Clear();
+            }
+        }
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Basket/BasketService.cs

@@ -49,5 +49,16 @@ namespace eShopOnContainers.Core.Services.Basket
 
             return result;
         }
+
+        public async Task ClearBasketAsync(string guidUser)
+        {
+            UriBuilder builder = new UriBuilder(GlobalSetting.BasketEndpoint);
+
+            builder.Path = guidUser;
+
+            string uri = builder.ToString();
+
+             await _requestProvider.DeleteAsync(uri);
+        }
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Basket/IBasketService.cs

@@ -7,5 +7,6 @@ namespace eShopOnContainers.Core.Services.Basket
     {
         Task<CustomerBasket> GetBasketAsync(string guidUser);
         Task<CustomerBasket> UpdateBasketAsync(CustomerBasket customerBasket);
+        Task ClearBasketAsync(string guidUser);
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/RequestProvider/IRequestProvider.cs

@@ -13,5 +13,7 @@ namespace eShopOnContainers.Core.Services.RequestProvider
         Task<TResult> PutAsync<TResult>(string uri, TResult data);
 
         Task<TResult> PutAsync<TRequest, TResult>(string uri, TRequest data);
+
+        Task DeleteAsync(string uri);
     }
 }

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/RequestProvider/RequestProvider.cs

@@ -77,6 +77,13 @@ namespace eShopOnContainers.Core.Services.RequestProvider
             return await Task.Run(() => JsonConvert.DeserializeObject<TResult>(responseData, _serializerSettings));
         }
 
+        public async Task DeleteAsync(string uri)
+        {
+            HttpClient httpClient = CreateHttpClient();
+
+            await httpClient.DeleteAsync(uri);
+        }
+
         private HttpClient CreateHttpClient()
         {
             var httpClient = new HttpClient();

src/Mobile/eShopOnContainers/eShopOnContainers.Core/ViewModels/BasketViewModel.cs

@@ -1,6 +1,5 @@
 using eShopOnContainers.Core.Models.Basket;
 using eShopOnContainers.Core.Models.Catalog;
-using eShopOnContainers.Core.Models.Orders;
 using eShopOnContainers.Core.Models.User;
 using eShopOnContainers.Core.Services.Basket;
 using eShopOnContainers.Core.Services.User;
@@ -69,10 +68,9 @@ namespace eShopOnContainers.Core.ViewModels
         {
             MessagingCenter.Subscribe<CatalogViewModel, List<BasketItem>>(this, MessengerKeys.UpdateBasket, (sender, arg) =>
             {
-                BadgeCount = arg.Count;
-
                 foreach (var basketItem in arg)
                 {
+                    BadgeCount += basketItem.Quantity;
                     AddBasketItem(basketItem);
                 }
             });
@@ -84,7 +82,7 @@ namespace eShopOnContainers.Core.ViewModels
                 AddCatalogItem(arg);
             });
             
-            MessagingCenter.Subscribe<OrderItem>(this, MessengerKeys.UpdateProduct, (sender) =>
+            MessagingCenter.Subscribe<BasketItem>(this, MessengerKeys.UpdateProduct, (sender) =>
             {
                 ReCalculateTotal();
             });
@@ -126,12 +124,16 @@ namespace eShopOnContainers.Core.ViewModels
         {
             Total = 0;
 
+            if (BasketItems == null)
+            {
+                return;
+            }
+
             foreach (var orderItem in BasketItems)
             {
                 Total += (orderItem.Quantity * orderItem.UnitPrice);
             }
             
-
             _basketService.UpdateBasketAsync(new CustomerBasket
             {
                 BuyerId = _user.GuidUser,

src/Mobile/eShopOnContainers/eShopOnContainers.Core/ViewModels/CheckoutViewModel.cs

@@ -11,6 +11,7 @@ using System.Collections.ObjectModel;
 using System.Linq;
 using eShopOnContainers.Core.Models.Basket;
 using System.Collections.Generic;
+using eShopOnContainers.Core.Services.Basket;
 
 namespace eShopOnContainers.Core.ViewModels
 {
@@ -21,9 +22,12 @@ namespace eShopOnContainers.Core.ViewModels
         private User _user;
 
         private IUserService _userService;
+        private IBasketService _basketService;
 
-        public CheckoutViewModel(IUserService userService)
+        public CheckoutViewModel(IUserService userService,
+            IBasketService basketService)
         {
+            _basketService = basketService;
             _userService = userService;
         }
 
@@ -86,10 +90,12 @@ namespace eShopOnContainers.Core.ViewModels
 
         private async void Checkout()
         {
+            await _basketService.ClearBasketAsync(User.GuidUser);
+            
             await NavigationService.NavigateToAsync<MainViewModel>(new TabParameter { TabIndex = 1 });
             await NavigationService.RemoveLastFromBackStackAsync();
 
-            await DialogService.ShowAlertAsync("Order sent successfully", string.Format("Order {0}", Order.OrderNumber), "Ok");
+            await DialogService.ShowAlertAsync("Order sent successfully!", string.Format("Order {0}", Order.OrderNumber), "Ok");
             await NavigationService.RemoveLastFromBackStackAsync();
         }
 

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Views/CheckoutView.xaml

@@ -177,6 +177,7 @@
                     <ListView 
                         Grid.Row="0"
                         ItemsSource="{Binding Order.OrderItems}"   
+                        HeightRequest="{Binding Order.OrderItems.Count, Converter={StaticResource ItemsToHeightConverter}}"     
                         HasUnevenRows="True"
                         SeparatorVisibility="None"
                         VerticalOptions="FillAndExpand"

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Views/Templates/BasketItemTemplate.xaml

@@ -56,6 +56,8 @@
 
             <Style x:Key="QuantityPickerStyle"  
              TargetType="{x:Type controls:BindablePicker}">
+                <Setter Property="TextColor"
+                        Value="{StaticResource BlackColor}" />
                 <Setter Property="BackgroundColor"
                         Value="Transparent" />
                 <Setter Property="HorizontalOptions"

src/Mobile/eShopOnContainers/eShopOnContainers.Windows/Renderers/CustomTabbedPageRenderer.cs

@@ -8,7 +8,6 @@ using System.Linq;
 using Xamarin.Forms;
 using Xamarin.Forms.Internals;
 using Xamarin.Forms.Platform.UWP;
-using UI = Windows.UI;
 using Xaml = Windows.UI.Xaml;
 
 [assembly: ExportRenderer(typeof(TabbedPage), typeof(CustomTabbedPageRenderer))]