Files moved. Local settings saved prior to registration.

QRBee.Core/Data/ClientCardData.cs

@@ -1,4 +1,4 @@
-namespace QRBee.Core
+namespace QRBee.Core.Data
 {
     public class ClientCardData
     {

QRBee/QRBee.Android/Services/LocalSettings.cs

@@ -18,14 +18,15 @@ namespace QRBee.Droid.Services
             await Application.Current.SavePropertiesAsync();
         }
 
-        public Task<Settings> LoadSettings()
+        public Settings LoadSettings()
         {
             if (!Application.Current.Properties.ContainsKey("Settings"))
-                return Task.FromResult(new Settings());
+                return new Settings();
 
             var json = Application.Current.Properties["Settings"].ToString();
             var settings = JsonConvert.DeserializeObject<Settings>(json);
-            return Task.FromResult(settings);
+
+            return settings;
         }
     }
 }

QRBee/QRBee/Services/ILocalSettings.cs

@@ -26,7 +26,7 @@ namespace QRBee.Services
     {
         string QRBeeApiUrl { get; }
         Task SaveSettings(Settings settings);
-        Task<Settings> LoadSettings();
+        Settings LoadSettings();
 
 
     }

QRBee/QRBee/ViewModels/ClientPageViewModel.cs

@@ -44,9 +44,9 @@ namespace QRBee.ViewModels
                     IsVisible = true;
                 }
             }
-            catch (Exception ex)
+            catch (Exception)
             {
-                throw;
+                await Application.Current.MainPage.DisplayAlert("Error","Wrong QR code scanned","Ok");
             }
         }
 

QRBee/QRBee/ViewModels/LoginViewModel.cs

@@ -38,7 +38,7 @@ namespace QRBee.ViewModels
                 //Insert PIN
                 IsPinVisible = true;
                 var localSettings = DependencyService.Resolve<ILocalSettings>();
-                var pin = (await localSettings.LoadSettings()).PIN;
+                var pin = localSettings.LoadSettings().PIN;
 
                 if (!string.IsNullOrEmpty(pin) && pin.Equals(PinCode))
                 {

QRBee/QRBee/ViewModels/MerchantPageViewModel.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using QRBee.Core.Data;
 using QRBee.Services;
 using Xamarin.Forms;
@@ -8,7 +9,6 @@ namespace QRBee.ViewModels
     internal class MerchantPageViewModel : BaseViewModel
     {
         private bool _isVisible;
-        private string _name;
         private decimal _amount;
         private string _qrCode;
 
@@ -19,6 +19,8 @@ namespace QRBee.ViewModels
         {
             ScanCommand = new Command(OnScanButtonClicked);
             GenerateQrCommand = new Command(OnGenerateQrClicked);
+            var localSettings = DependencyService.Resolve<ILocalSettings>();
+            Name = localSettings.LoadSettings().Name;
         }
 
         private async void OnScanButtonClicked(object sender)
@@ -38,17 +40,7 @@ namespace QRBee.ViewModels
             }
         }
 
-        public string Name
-        {
-            get => _name;
-            set
-            {
-                if (_name == value)
-                    return;
-                _name = value;
-                OnPropertyChanged(nameof(Name));
-            }
-        }
+        public string Name { get; }
 
         public decimal Amount
         {
@@ -97,6 +89,12 @@ namespace QRBee.ViewModels
         /// </summary>
         /// <param name="obj"></param>
         public async void OnGenerateQrClicked(object obj)
+        {
+            if (string.IsNullOrWhiteSpace(Name) || Amount==0)
+            {
+                await Application.Current.MainPage.DisplayAlert("Error", "The fields must be filled", "Ok");
+            }
+            else
             {
                 var trans = new MerchantToClientRequest
                 {
@@ -111,4 +109,6 @@ namespace QRBee.ViewModels
             }
 
         }
+
+    }
 }

QRBee/QRBee/ViewModels/RegisterViewModel.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using System.Net.Http;
 using QRBee.Core;
+using QRBee.Core.Data;
 using QRBee.Services;
 using QRBee.Views;
 using Xamarin.Forms;
@@ -75,13 +76,6 @@ namespace QRBee.ViewModels
 
             try
             {
-                await service.RegisterAsync(new RegistrationRequest
-                {
-                    DateOfBirth        = DateOfBirth,
-                    Email              = Email,
-                    Name               = Name,
-                    RegisterAsMerchant = false
-                });
 
                 //save local settings
                 var settings       = new Settings
@@ -100,6 +94,14 @@ namespace QRBee.ViewModels
                 };
                 await localSettings.SaveSettings(settings);
 
+                await service.RegisterAsync(new RegistrationRequest
+                {
+                    DateOfBirth        = DateOfBirth,
+                    Email              = Email,
+                    Name               = Name,
+                    RegisterAsMerchant = false
+                });
+
                 await Shell.Current.GoToAsync($"//{nameof(MainPage)}");
             }
             catch (Exception)

QRBee/QRBee/Views/MerchantPage.xaml

@@ -12,8 +12,7 @@
             <StackLayout Orientation="Vertical" VerticalOptions="FillAndExpand">
 
                 <StackLayout Orientation="Vertical">
-                    <Label Text="Enter your name: " Padding="5,10,0,0"/>
-                    <Entry Placeholder="Your name" HorizontalOptions="FillAndExpand" Text="{Binding Name}"/>
+                    <Label Text="{Binding Name, Mode=OneTime}" Padding="5,10,0,0"/>
 
                     <Label Text="Enter sum: "  Padding="5,0,0,0" />
                     <Entry Placeholder="Amount" Keyboard="Numeric" HorizontalOptions="FillAndExpand" MaxLength="6" Text="{Binding Amount}"/>