sync page details

src/App/Pages/Settings/SyncPage.xaml

@@ -4,7 +4,6 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.SyncPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"
-    xmlns:controls="clr-namespace:Bit.App.Controls"
     xmlns:u="clr-namespace:Bit.App.Utilities"
     x:DataType="pages:SyncPageViewModel"
     Title="{Binding PageTitle}">
@@ -12,9 +11,21 @@
         <pages:SyncPageViewModel />
     </ContentPage.BindingContext>
 
-    <StackLayout Spacing="0" Padding="10, 5">
+    <StackLayout Spacing="10"
+                 Padding="10, 5"
+                 VerticalOptions="Center"
+                 HorizontalOptions="FillAndExpand">
         <Button Text="{u:I18n SyncVaultNow}"
                 Clicked="Sync_Clicked"></Button>
+        <Label StyleClass="text-muted, text-sm" HorizontalTextAlignment="Center">
+            <Label.FormattedText>
+                <FormattedString>
+                    <Span Text="{u:I18n LastSync}" />
+                    <Span Text=" " />
+                    <Span Text="{Binding LastSync}" />
+                </FormattedString>
+            </Label.FormattedText>
+        </Label>
     </StackLayout>
 
 </pages:BaseContentPage>

src/App/Pages/Settings/SyncPage.xaml.cs

@@ -13,6 +13,12 @@ namespace Bit.App.Pages
             _vm.Page = this;
         }
 
+        protected async override void OnAppearing()
+        {
+            base.OnAppearing();
+            await _vm.SetLastSyncAsync();
+        }
+
         private async void Sync_Clicked(object sender, EventArgs e)
         {
             if(DoOnce())

src/App/Pages/Settings/SyncPageViewModel.cs

@@ -13,6 +13,8 @@ namespace Bit.App.Pages
         private readonly IPlatformUtilsService _platformUtilsService;
         private readonly ISyncService _syncService;
 
+        private string _lastSync = "--";
+
         public SyncPageViewModel()
         {
             _deviceActionService = ServiceContainer.Resolve<IDeviceActionService>("deviceActionService");
@@ -22,15 +24,43 @@ namespace Bit.App.Pages
             PageTitle = AppResources.Sync;
         }
 
+        public string LastSync
+        {
+            get => _lastSync;
+            set => SetProperty(ref _lastSync, value);
+        }
+
+        public async Task SetLastSyncAsync()
+        {
+            var last = await _syncService.GetLastSyncAsync();
+            if(last != null)
+            {
+                var localDate = last.Value.ToLocalTime();
+                LastSync = string.Format("{0} {1}", localDate.ToShortDateString(), localDate.ToShortTimeString());
+            }
+            else
+            {
+                LastSync = AppResources.Never;
+            }
+        }
+
         public async Task SyncAsync()
         {
             try
             {
                 await _deviceActionService.ShowLoadingAsync(AppResources.Syncing);
-                await _syncService.FullSyncAsync(true);
+                var success = await _syncService.FullSyncAsync(true);
                 await _deviceActionService.HideLoadingAsync();
+                if(success)
+                {
+                    await SetLastSyncAsync();
                     _platformUtilsService.ShowToast("success", null, AppResources.SyncingComplete);
                 }
+                else
+                {
+                    await Page.DisplayAlert(null, AppResources.SyncingFailed, AppResources.Ok);
+                }
+            }
             catch(ApiException e)
             {
                 await _deviceActionService.HideLoadingAsync();