update banner view page binding

PCUT/PCUT/Pages/AdminCenterPage.xaml

@@ -29,6 +29,7 @@
                 <NavigationViewItem Icon="Document" Content="Categories" x:Name="Categories" Tag="Categories" Background="{ThemeResource SystemAccentColor}"/>
                 <NavigationViewItem Icon="Folder" Content="Files" x:Name="Files" Tag="Files" Background="{ThemeResource SystemAccentColor}"/>
                 <NavigationViewItem Icon="People" Content="Users" x:Name="Users" Tag="Users" Background="{ThemeResource SystemAccentColor}"/>
+                <NavigationViewItem Icon="OutlineStar" Content="Banner" x:Name="Banners" Tag="Banners" Background="{ThemeResource SystemAccentColor}"/>
                 <NavigationViewItem Icon="Clock" Content="Logs" x:Name="Logs" Tag="Logs" Background="{ThemeResource SystemAccentColor}"/>
             </NavigationView.MenuItems>
 

PCUT/PCUT/Pages/AdminCenterPage.xaml.cs

@@ -1,4 +1,5 @@
-using System;
+using PCUT.Pages.BannerManagement;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -53,6 +54,9 @@ namespace PCUT.Pages
                 case "Users":
                     ContentFrame.Navigate(typeof(UserListPage));
                     break;
+                case "Banners":
+                    ContentFrame.Navigate(typeof(BannerPage));
+                    break;
                 case "Logs":
                     ContentFrame.Navigate(typeof(LogInformationPage));
                     break;

PCUT/PCUT/Pages/BannerManagement/BannerViewPage.xaml

@@ -45,11 +45,12 @@
                 Grid.Row="1"
                 x:Name="Search"
                 PlaceholderText="Search"
+                Text="{Binding Pagination.SearchText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                 MinWidth="300" MaxHeight="32" CornerRadius="20"
                 HorizontalAlignment="Right" VerticalAlignment="Center"/>
         </Grid>
 
-        <ListView Grid.Row="1" x:Name="BannerListView" IsItemClickEnabled="False">
+        <ListView Grid.Row="1" x:Name="BannerListView" ItemsSource="{Binding FilteredBanners.Items}" IsItemClickEnabled="False">
             <ListView.ItemContainerStyle>
                 <Style TargetType="ListViewItem">
                     <Setter Property="HorizontalContentAlignment" Value="Stretch" />
@@ -93,18 +94,18 @@
                     <Grid>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="0.05*"/>
-                            <ColumnDefinition Width="0.25*"/>
+                            <ColumnDefinition Width="0.2*"/>
-                            <ColumnDefinition Width="0.5*"/>
+                            <ColumnDefinition Width="0.55*"/>
                             <ColumnDefinition Width="0.2*"/>
                         </Grid.ColumnDefinitions>
                         <Border Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,0,1">
                             <TextBlock Text="{Binding DisplayId, Mode=OneWay}" Margin="10" Foreground="Black" TextWrapping="Wrap" HorizontalAlignment="Center"/>
                         </Border>
                         <Border Grid.Column="1" BorderBrush="Black" BorderThickness="1,0,0,1">
-                            <TextBlock Text="{Binding Name, Mode=OneWay}" Foreground="Black" TextWrapping="Wrap"/>
+                            <TextBlock Text="{Binding Name, Mode=OneWay}" Foreground="Black" TextWrapping="Wrap" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                         <Border Grid.Column="2" BorderBrush="Black" BorderThickness="1,0,0,1">
-                            <TextBlock Text="{Binding Content , Mode=OneWay}"  Foreground="Black" TextWrapping="Wrap"/>
+                            <TextBlock Text="{Binding Content , Mode=OneWay}"  Foreground="Black" TextWrapping="Wrap" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                         <Border Grid.Column="3" BorderBrush="Black" BorderThickness="1,0,1,1">
                             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" >

PCUT/PCUT/Pages/BannerManagement/BannerViewPage.xaml.cs

@@ -1,9 +1,14 @@
-using PCUT.ViewModels;
+using Http.Core.Exceptions;
+using Http.Core.Extensions;
+using Http.Core;
+using PCUT.ViewModels;
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices.WindowsRuntime;
+using System.Threading;
+using System.Threading.Tasks;
 using Windows.Foundation;
 using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
@@ -13,6 +18,7 @@ using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Media;
 using Windows.UI.Xaml.Navigation;
+using static Http.Core.Constants.HttpConstants;
 
 // The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=234238
 
@@ -28,6 +34,7 @@ namespace PCUT.Pages.BannerManagement
         public BannerPage()
         {
             this.InitializeComponent();
+            ViewModels = DataContext as BannerViewModel;
         }
 
         protected override void OnNavigatedTo(NavigationEventArgs e)
@@ -37,27 +44,142 @@ namespace PCUT.Pages.BannerManagement
 
         private void Page_Loaded(object sender, RoutedEventArgs e)
         {
-
+            ViewModels.Pagination.Page = 1;
         }
 
         protected override void OnNavigatedFrom(NavigationEventArgs e)
         {
-            base.OnNavigatedFrom(e);
+            ViewModels.Pagination.Dispose();
         }
 
-        private void AddBanner_Click(object sender, RoutedEventArgs e)
+        private async void AddBanner_Click(object sender, RoutedEventArgs e)
         {
-
+            var dialog = new BannerUpsertDialog();
+            var result = await dialog.ShowAsync();
+            if (result == ContentDialogResult.Primary)
+                await ViewModels.Reload();
         }
 
-        private void EditBanner_Click(object sender, RoutedEventArgs e)
+        private async void EditBanner_Click(object sender, RoutedEventArgs e)
         {
-
+            if (sender is Button button && button.CommandParameter is string bannerId)
+            {
+                if (CanEdit())
+                {
+                    var dialog = new BannerUpsertDialog(bannerId);
+                    var result = await dialog.ShowAsync();
+                    if (result == ContentDialogResult.Primary)
+                        await ViewModels.Reload();
+                    _editFlag = false;
+                }
+            }
         }
 
-        private void DeleteBanner_Click(object sender, RoutedEventArgs e)
+        private static readonly object _editLock = new object();
+        private static bool _editFlag = false;
+        private bool CanEdit()
         {
+            if (!Monitor.TryEnter(_editLock))
+                return false;
 
+            try
+            {
+                if (_editFlag)
+                    return false;
+
+                _editFlag = true;
+                return true;
+            }
+            finally
+            {
+                Monitor.Exit(_editLock);
+            }
+        }
+
+        private async void DeleteBanner_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button button && button.CommandParameter is string bannerId)
+            {
+                if (CanDelete())
+                {
+                    //Confirm diaglog before delete
+                    ContentDialog deleteDialog = new ContentDialog
+                    {
+                        Title = "Confirm Delete?",
+                        Content = "Are you sure want delete this banner?",
+                        PrimaryButtonText = "Delete",
+                        CloseButtonText = "Cancel"
+                    };
+                    deleteDialog.PrimaryButtonStyle = Application.Current.Resources["PrimaryDialogButton"] as Style;
+                    deleteDialog.CloseButtonStyle = Application.Current.Resources["CloseDialogButton"] as Style;
+
+                    var result = await deleteDialog.ShowAsync();
+                    if (result == ContentDialogResult.Primary)
+                    {
+                        await DeleteBannerAsync(bannerId);
+                    }
+                    _deleteFlag = false;
+                }
+            }
+        }
+
+        private static readonly object _deleteLock = new object();
+        private static bool _deleteFlag = false;
+        private bool CanDelete()
+        {
+            if (!Monitor.TryEnter(_deleteLock))
+                return false;
+
+            try
+            {
+                if (_deleteFlag)
+                    return false;
+
+                _deleteFlag = true;
+                return true;
+            }
+            finally
+            {
+                Monitor.Exit(_deleteLock);
+            }
+        }
+
+        private async Task DeleteBannerAsync(string bannerId)
+        {
+            using (var httpClient = HttpClientFactory.CreateClient(ClientNames.ApiClient))
+            {
+                try
+                {
+                    var response = await httpClient.DeleteAsync(Api.BannerById.FormatRoute(bannerId));
+                    if (response.IsSuccessStatusCode)
+                    {
+                        await ShowDialog("Delete Success", "Banner Deleted!");
+                        await ViewModels.Reload();
+                    }
+                    else
+                    {
+                        await ShowDialog("Error!", "Can't delete banner");
+                    }
+                }
+                catch (Exception ex) when (!(ex is AppOutdatedException))
+                {
+                    await ShowDialog("Error!", $"Got exception: {ex.Message}");
+                }
+            }
+        }
+
+
+        private async Task ShowDialog(string title, string content)
+        {
+            ContentDialog dialog = new ContentDialog
+            {
+                Title = title,
+                Content = content,
+                CloseButtonText = "OK"
+            };
+            dialog.CloseButtonStyle = Application.Current.Resources["CloseDialogButton"] as Style;
+
+            await dialog.ShowAsync();
         }
 
         private void btnFirst_Click(object sender, RoutedEventArgs e)