完善分区逻辑

src/App/Controls/Bili/PartitionItem.xaml

@@ -19,7 +19,7 @@
         CornerRadius="{StaticResource ControlCornerRadius}"
         Tapped="OnItemTapped">
         <Grid HorizontalAlignment="Center" VerticalAlignment="Center">
-            <Grid RowSpacing="8">
+            <Grid x:Name="ContentContainer" RowSpacing="8">
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
                     <RowDefinition Height="Auto" />

src/App/Controls/Bili/PartitionItem.xaml.cs

@@ -56,8 +56,7 @@ namespace Richasy.Bili.App.Controls
         {
             e.Handled = true;
             var animationService = ConnectedAnimationService.GetForCurrentView();
-            animationService.PrepareToAnimate("PartitionLogoAnimate", this.PartitionLogo);
-            animationService.PrepareToAnimate("PartitionNameAnimate", this.PartitionName);
+            animationService.PrepareToAnimate("PartitionAnimate", this.ContentContainer);
             ItemClick?.Invoke(this, Data);
         }
     }

src/App/Controls/Bili/VideoItem.xaml

@@ -119,7 +119,7 @@
             <Ellipse
                 Width="40"
                 Height="40"
-                Fill="{ThemeResource CardBackgroundFillColorDefault}" />
+                Fill="{ThemeResource ControlOnImageFillColorDefaultBrush}" />
             <local:UserAvatar
                 Width="36"
                 Height="36"

src/App/Controls/Bili/VideoView.xaml

@@ -15,10 +15,10 @@
             x:Name="GridLayout"
             ItemsJustification="Start"
             ItemsStretch="Fill"
-            MinColumnSpacing="12"
-            MinItemHeight="228"
-            MinItemWidth="210"
-            MinRowSpacing="12"
+            MinColumnSpacing="16"
+            MinItemHeight="232"
+            MinItemWidth="222"
+            MinRowSpacing="16"
             Orientation="Horizontal" />
         <muxc:StackLayout
             x:Name="ListLayout"

src/App/Pages/Overlay/PartitionDetailPage.xaml

@@ -12,7 +12,7 @@
     xmlns:uwp="using:Richasy.Bili.ViewModels.Uwp"
     mc:Ignorable="d">
 
-    <Grid>
+    <Grid x:Name="RootContainer">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
@@ -57,7 +57,7 @@
             IsBackButtonVisible="Collapsed"
             IsPaneToggleButtonVisible="False"
             IsSettingsVisible="False"
-            ItemInvoked="OnDetailNavigationViewItemInvoked"
+            ItemInvoked="OnDetailNavigationViewItemInvokedAsync"
             MenuItemsSource="{x:Bind ViewModel.SubPartitionCollection}"
             PaneDisplayMode="Top">
             <muxc:NavigationView.Resources>
@@ -106,6 +106,7 @@
                                     Style="{StaticResource DefaultComboBoxStyle}"
                                     ItemsSource="{x:Bind ViewModel.CurrentSelectedSubPartition.SortTypeCollection, Mode=OneWay}"
                                     PlaceholderText="{loc:LocaleLocator Name=SelectSortType}"
+                                    SelectionChanged="OnVideoSortComboBoxSlectionChanged"
                                     Visibility="Collapsed">
                                     <ComboBox.ItemTemplate>
                                         <DataTemplate x:DataType="enums:VideoSortType">

src/App/Pages/Overlay/PartitionDetailPage.xaml.cs

@@ -2,7 +2,7 @@
 
 using System.ComponentModel;
 using Richasy.Bili.App.Controls;
-using Richasy.Bili.App.Resources.Extension;
+using Richasy.Bili.Models.Enums;
 using Richasy.Bili.ViewModels.Uwp;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
@@ -49,8 +49,11 @@ namespace Richasy.Bili.App.Pages.Overlay
                 this.ViewModel = data;
                 this.DataContext = data;
                 var animationService = ConnectedAnimationService.GetForCurrentView();
-                animationService.TryStartAnimation("PartitionLogoAnimate", PartitionLogo);
-                animationService.TryStartAnimation("PartitionNameAnimate", PartitionName);
+                var animate = animationService.GetAnimation("PartitionAnimate");
+                if (animate != null)
+                {
+                    animate.TryStart(PartitionHeader, new UIElement[] { DetailNavigationView });
+                }
             }
         }
 
@@ -58,49 +61,42 @@ namespace Richasy.Bili.App.Pages.Overlay
         protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
         {
             var animationService = ConnectedAnimationService.GetForCurrentView();
-            var animate = animationService.PrepareToAnimate("PartitionBackAnimate", this.PartitionHeader);
+            var animate = animationService.PrepareToAnimate("PartitionBackAnimate", this.RootContainer);
             animate.Configuration = new DirectConnectedAnimationConfiguration();
         }
 
         private void OnUnloaded(object sender, RoutedEventArgs e)
         {
             ViewModel.PropertyChanged -= OnViewModelPropertyChanged;
+            VideoView.NewItemAdded -= OnVideoViewNewItemAddedAsync;
         }
 
         private void OnLoaded(object sender, RoutedEventArgs e)
         {
             ViewModel.PropertyChanged += OnViewModelPropertyChanged;
-            CheckCurrentSubPartitionAsync();
+            VideoView.NewItemAdded += OnVideoViewNewItemAddedAsync;
+            CheckCurrentSubPartition();
         }
 
         private void OnViewModelPropertyChanged(object sender, PropertyChangedEventArgs e)
         {
             if (e.PropertyName == nameof(ViewModel.CurrentSelectedSubPartition))
             {
-                CheckCurrentSubPartitionAsync();
+                CheckCurrentSubPartition();
             }
         }
 
-        private void OnDetailNavigationViewItemInvoked(Microsoft.UI.Xaml.Controls.NavigationView sender, Microsoft.UI.Xaml.Controls.NavigationViewItemInvokedEventArgs args)
+        private async void OnDetailNavigationViewItemInvokedAsync(Microsoft.UI.Xaml.Controls.NavigationView sender, Microsoft.UI.Xaml.Controls.NavigationViewItemInvokedEventArgs args)
         {
             var vm = args.InvokedItem as SubPartitionViewModel;
-
-            ViewModel.CurrentSelectedSubPartition = vm;
+            await ViewModel.SelectSubPartitionAsync(vm);
         }
 
-        private async void CheckCurrentSubPartitionAsync()
+        private void CheckCurrentSubPartition()
         {
             var vm = ViewModel.CurrentSelectedSubPartition;
             if (vm != null)
             {
-                VideoView.NewItemAdded -= OnVideoViewNewItemAddedAsync;
-                VideoView.NewItemAdded += OnVideoViewNewItemAddedAsync;
-
-                if (!vm.IsRequested)
-                {
-                    await vm.RequestDataAsync();
-                }
-
                 BannerView.Visibility = vm.BannerCollection != null && vm.BannerCollection.Count > 0 ? Visibility.Visible : Visibility.Collapsed;
                 var isShowSort = vm.SortTypeCollection != null && vm.SortTypeCollection.Count > 0;
                 if (isShowSort)
@@ -154,10 +150,15 @@ namespace Richasy.Bili.App.Pages.Overlay
                 {
                     await ViewModel.CurrentSelectedSubPartition.RequestDataAsync();
                 }
-                else
-                {
-                    VideoView.NewItemAdded -= OnVideoViewNewItemAddedAsync;
-                }
+            }
+        }
+
+        private void OnVideoSortComboBoxSlectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (VideoSortComboBox.SelectedItem != null)
+            {
+                var item = (VideoSortType)VideoSortComboBox.SelectedItem;
+                ViewModel.CurrentSelectedSubPartition.CurrentSortType = item;
             }
         }
     }

src/App/Pages/PartitionPage.xaml

@@ -44,7 +44,7 @@
                 Loaded="OnItemsRepeaterLoadedAsync">
                 <muxc:ItemsRepeater.ItemTemplate>
                     <DataTemplate x:DataType="uwp:PartitionViewModel">
-                        <controls:PartitionItem Data="{x:Bind}" ItemClick="OnPartitionItemClick" />
+                        <controls:PartitionItem Data="{x:Bind}" ItemClick="OnPartitionItemClickAsync" />
                     </DataTemplate>
                 </muxc:ItemsRepeater.ItemTemplate>
                 <muxc:ItemsRepeater.Layout>

src/App/Pages/PartitionPage.xaml.cs

@@ -64,10 +64,10 @@ namespace Richasy.Bili.App.Pages
             this.FindName("PartitionView");
         }
 
-        private void OnPartitionItemClick(object sender, PartitionViewModel e)
+        private async void OnPartitionItemClickAsync(object sender, PartitionViewModel e)
         {
-            this.ViewModel.CurrentPartition = e;
             AppViewModel.Instance.SetOverlayContentId(Models.Enums.PageIds.PartitionDetail, e);
+            await this.ViewModel.SelectPartitionAsync(e);
         }
     }
 }

src/Controller/Controller.Uwp/BiliController.Partition.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Richasy.Bili.Models.App.Args;
+using Richasy.Bili.Models.App.Other;
+using Richasy.Bili.Models.BiliBili;
+using Richasy.Bili.Models.Enums;
+using static Richasy.Bili.Models.App.Constants.ControllerConstants;
+
+namespace Richasy.Bili.Controller.Uwp
+{
+    /// <summary>
+    /// 控制器的分区及标签部分.
+    /// </summary>
+    public partial class BiliController
+    {
+        /// <summary>
+        /// 请求分区索引.
+        /// </summary>
+        /// <returns>分区索引列表.</returns>
+        public async Task<List<Partition>> RequestPartitionIndexAsync()
+        {
+            var cacheData = await _fileToolkit.ReadLocalDataAsync<LocalCache<List<Partition>>>(Names.PartitionIndex, folderName: Names.ServerFolder);
+            var needRequest = true;
+            List<Partition> data;
+            if (cacheData != null)
+            {
+                needRequest = cacheData.ExpiryTime < DateTimeOffset.Now;
+            }
+
+            if (needRequest)
+            {
+                var webResult = await _partitionProvider.GetPartitionIndexAsync();
+                data = webResult.ToList();
+                var localCache = new LocalCache<List<Partition>>(DateTimeOffset.Now.AddDays(1), data);
+                await _fileToolkit.WriteLocalDataAsync(Names.PartitionIndex, localCache, Names.ServerFolder);
+            }
+            else
+            {
+                data = cacheData.Data;
+            }
+
+            foreach (var partion in data)
+            {
+                partion.Children.Insert(0, null);
+            }
+
+            return data;
+        }
+
+        /// <summary>
+        /// 请求子分区数据.
+        /// </summary>
+        /// <param name="subPartitionId">子分区Id.</param>
+        /// <param name="isRecommend">是否为推荐视频分区.</param>
+        /// <param name="offsetId">偏移值.</param>
+        /// <param name="sortType">排序方式.</param>
+        /// <param name="pageNumber">页码.</param>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task RequestSubPartitionDataAsync(int subPartitionId, bool isRecommend, int offsetId = 0, VideoSortType sortType = VideoSortType.Default, int pageNumber = 1)
+        {
+            try
+            {
+                var requestDateTime = DateTimeOffset.Now;
+                var data = await _partitionProvider.GetSubPartitionDataAsync(subPartitionId, isRecommend, offsetId, sortType, pageNumber);
+                pageNumber = !isRecommend && sortType != VideoSortType.Default ? pageNumber + 1 : 1;
+                SubPartitionVideoIteration?.Invoke(this, new PartitionVideoIterationEventArgs(subPartitionId, requestDateTime, data, pageNumber));
+
+                if (data is SubPartitionRecommend recommend && (recommend.Banner?.TopBanners?.Any() ?? false))
+                {
+                    SubPartitionAdditionalDataChanged?.Invoke(
+                        this,
+                        new PartitionAdditionalDataChangedEventArgs(
+                            subPartitionId,
+                            requestDateTime,
+                            recommend.Banner.TopBanners));
+                }
+                else if (data is SubPartitionDefault defaultData && (defaultData.TopTags?.Any() ?? false))
+                {
+                    SubPartitionAdditionalDataChanged?.Invoke(
+                        this,
+                        new PartitionAdditionalDataChangedEventArgs(
+                            subPartitionId,
+                            requestDateTime,
+                            tagList: defaultData.TopTags));
+                }
+            }
+            catch
+            {
+                if (offsetId == 0)
+                {
+                    throw;
+                }
+            }
+        }
+    }
+}

src/Controller/Controller.Uwp/BiliController.cs

@@ -7,6 +7,7 @@ using Richasy.Bili.Controller.Uwp.Modules;
 using Richasy.Bili.Lib.Interfaces;
 using Richasy.Bili.Lib.Uwp;
 using Richasy.Bili.Locator.Uwp;
+using Richasy.Bili.Models.App.Args;
 using Richasy.Bili.Models.BiliBili;
 using Richasy.Bili.Toolkit.Interfaces;
 using Richasy.Bili.Toolkit.Uwp;
@@ -19,8 +20,11 @@ namespace Richasy.Bili.Controller.Uwp
     public partial class BiliController
     {
         private readonly ISettingsToolkit _settingsToolkit;
+        private readonly IFileToolkit _fileToolkit;
+
         private readonly IAuthorizeProvider _authorizeProvider;
         private readonly IAccountProvider _accountProvider;
+        private readonly IPartitionProvider _partitionProvider;
 
         private readonly INetworkModule _networkModule;
 
@@ -31,33 +35,45 @@ namespace Richasy.Bili.Controller.Uwp
         {
             RegisterToolkitServices();
             ServiceLocator.Instance.LoadService(out _settingsToolkit)
+                .LoadService(out _fileToolkit)
                 .LoadService(out _networkModule)
                 .LoadService(out _authorizeProvider)
-                .LoadService(out _accountProvider);
+                .LoadService(out _accountProvider)
+                .LoadService(out _partitionProvider);
 
             RegisterEvents();
         }
 
         /// <summary>
-        /// Triggered when the user successfully logs in
+        /// 在用户成功登录后发生.
         /// </summary>
         public event EventHandler Logged;
 
         /// <summary>
-        /// Triggered when the user successfully logs out
+        /// 在用户登出时发生.
         /// </summary>
         public event EventHandler LoggedOut;
 
         /// <summary>
-        /// Triggered when user login fails
+        /// 在用户登录失败时发生.
         /// </summary>
         public event EventHandler<Exception> LoggedFailed;
 
         /// <summary>
-        /// Triggered when the user changes
+        /// 在登录账户数据发生改变时发生.
         /// </summary>
         public event EventHandler<MyInfo> AccountChanged;
 
+        /// <summary>
+        /// 在子分区有新的视频列表传入时发生.
+        /// </summary>
+        public event EventHandler<PartitionVideoIterationEventArgs> SubPartitionVideoIteration;
+
+        /// <summary>
+        /// 在子分区的附加数据发生改变时发生.
+        /// </summary>
+        public event EventHandler<PartitionAdditionalDataChangedEventArgs> SubPartitionAdditionalDataChanged;
+
         /// <summary>
         /// 控制器实例.
         /// </summary>
@@ -87,7 +103,8 @@ namespace Richasy.Bili.Controller.Uwp
                 .AddSingleton<INetworkModule, NetworkModule>()
                 .AddSingleton<IAuthorizeProvider, AuthorizeProvider>()
                 .AddSingleton<IHttpProvider, HttpProvider>()
-                .AddSingleton<IAccountProvider, AccountProvider>();
+                .AddSingleton<IAccountProvider, AccountProvider>()
+                .AddSingleton<IPartitionProvider, PartitionProvider>();
             _ = new ServiceLocator(serviceCollection);
         }
     }

src/Controller/Controller.Uwp/Controller.Uwp.csproj

@@ -12,6 +12,7 @@
     <Compile Include="BiliController.Auth.cs" />
     <Compile Include="BiliController.cs" />
     <Compile Include="BiliController.Account.cs" />
+    <Compile Include="BiliController.Partition.cs" />
     <Compile Include="Interfaces\INetworkModule.cs" />
     <Compile Include="Modules\NetworkModule.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />

src/Lib/Lib.Interfaces/IPartitionProvider.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Richasy.Bili.Models.BiliBili;
+using Richasy.Bili.Models.Enums;
+
+namespace Richasy.Bili.Lib.Interfaces
+{
+    /// <summary>
+    /// 分区，标签相关的数据操作定义.
+    /// </summary>
+    public interface IPartitionProvider
+    {
+        /// <summary>
+        /// 获取分区索引.
+        /// </summary>
+        /// <returns>全部分区索引，但不包括需要网页显示的分区.</returns>
+        Task<IEnumerable<Partition>> GetPartitionIndexAsync();
+
+        /// <summary>
+        /// 获取子分区数据.
+        /// </summary>
+        /// <param name="subPartitionId">子分区Id.</param>
+        /// <param name="isRecommend">是否是推荐子分区.</param>
+        /// <param name="offsetId">偏移Id.</param>
+        /// <param name="sortType">排序方式.</param>
+        /// <param name="pageNumber">页码.</param>
+        /// <returns>返回的子分区数据.</returns>
+        Task<SubPartition> GetSubPartitionDataAsync(
+            int subPartitionId,
+            bool isRecommend,
+            int offsetId = 0,
+            VideoSortType sortType = VideoSortType.Default,
+            int pageNumber = 1);
+    }
+}

src/Lib/Lib.Interfaces/Lib.Interfaces.csproj

@@ -123,6 +123,7 @@
     <Compile Include="IAccountProvider.cs" />
     <Compile Include="IAuthorizeProvider.cs" />
     <Compile Include="IHttpProvider.cs" />
+    <Compile Include="IPartitionProvider.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <EmbeddedResource Include="Properties\Lib.Interfaces.rd.xml" />
   </ItemGroup>

src/Lib/Lib.Uwp/AuthorizeProvider/AccountLoginDialog.xaml.cs

@@ -3,7 +3,7 @@
 using System.Threading.Tasks;
 using Richasy.Bili.Lib.Interfaces;
 using Richasy.Bili.Locator.Uwp;
-using Richasy.Bili.Models.App.Other.Models;
+using Richasy.Bili.Models.App.Other;
 using Richasy.Bili.Models.BiliBili;
 using Richasy.Bili.Models.Enums;
 using Richasy.Bili.Toolkit.Interfaces;

src/Lib/Lib.Uwp/AuthorizeProvider/AuthorizeProvider.Extension.cs

@@ -11,7 +11,7 @@ using System.Threading.Tasks;
 using Newtonsoft.Json.Linq;
 using Richasy.Bili.Lib.Interfaces;
 using Richasy.Bili.Locator.Uwp;
-using Richasy.Bili.Models.App.Other.Models;
+using Richasy.Bili.Models.App.Other;
 using Richasy.Bili.Models.BiliBili;
 using Richasy.Bili.Models.Enums;
 using Richasy.Bili.Toolkit.Interfaces;

src/Lib/Lib.Uwp/HttpProvider/HttpProvider.Extension.cs

@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 using Newtonsoft.Json;
 using Richasy.Bili.Lib.Interfaces;
 using Richasy.Bili.Models.App.Constants;
-using Richasy.Bili.Models.App.Other.Models;
+using Richasy.Bili.Models.App.Other;
 using Richasy.Bili.Models.BiliBili;
 
 namespace Richasy.Bili.Lib.Uwp

src/Lib/Lib.Uwp/HttpProvider/HttpProvider.cs

@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 using Newtonsoft.Json;
 using Richasy.Bili.Lib.Interfaces;
 using Richasy.Bili.Models.App.Constants;
-using Richasy.Bili.Models.App.Other.Models;
+using Richasy.Bili.Models.App.Other;
 using Richasy.Bili.Models.Enums;
 
 namespace Richasy.Bili.Lib.Uwp

src/Lib/Lib.Uwp/Lib.Uwp.csproj

@@ -18,6 +18,8 @@
     <Compile Include="AuthorizeProvider\AuthorizeProvider.Extension.cs" />
     <Compile Include="HttpProvider\HttpProvider.cs" />
     <Compile Include="HttpProvider\HttpProvider.Extension.cs" />
+    <Compile Include="PartitionProvider.cs" />
+    <Compile Include="PartitionProvider.Extension.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="$(SolutionDir)\src\Shared\SharedAssemblyInfo.cs">
       <Link>Properties\SharedAssemblyInfo.cs</Link>

src/Lib/Lib.Uwp/PartitionProvider.Extension.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using Richasy.Bili.Lib.Interfaces;
+
+namespace Richasy.Bili.Lib.Uwp
+{
+    /// <summary>
+    /// 分区及标签的相关定义和扩展方法.
+    /// </summary>
+    public partial class PartitionProvider
+    {
+        private readonly IHttpProvider _httpProvider;
+    }
+}

src/Lib/Lib.Uwp/PartitionProvider.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Richasy.Bili.Lib.Interfaces;
+using Richasy.Bili.Models.BiliBili;
+using Richasy.Bili.Models.Enums;
+using static Richasy.Bili.Models.App.Constants.ServiceConstants;
+
+namespace Richasy.Bili.Lib.Uwp
+{
+    /// <summary>
+    /// 提供分区及标签的数据操作.
+    /// </summary>
+    public partial class PartitionProvider : IPartitionProvider
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PartitionProvider"/> class.
+        /// </summary>
+        /// <param name="httpProvider">网络操作工具.</param>
+        public PartitionProvider(IHttpProvider httpProvider) => _httpProvider = httpProvider;
+
+        /// <inheritdoc/>
+        public async Task<IEnumerable<Partition>> GetPartitionIndexAsync()
+        {
+            var request = await _httpProvider.GetRequestMessageAsync(HttpMethod.Get, Api.Partition.PartitionIndex);
+            var response = await _httpProvider.SendAsync(request);
+            var data = await _httpProvider.ParseAsync<ServerResponse<List<Partition>>>(response);
+
+            return data.Data.Where(p => p.IsNeedToShow());
+        }
+
+        /// <inheritdoc/>
+        public async Task<SubPartition> GetSubPartitionDataAsync(
+            int subPartitionId,
+            bool isRecommend,
+            int offsetId = 0,
+            VideoSortType sortType = VideoSortType.Default,
+            int pageNum = 1)
+        {
+            var requestUrl = string.Empty;
+            var isOffset = offsetId != 0;
+            var isDefaultOrder = sortType == VideoSortType.Default;
+            SubPartition data;
+
+            if (isRecommend)
+            {
+                requestUrl = isOffset ? Api.Partition.SubPartitionRecommendOffset : Api.Partition.SubPartitionRecommend;
+            }
+            else
+            {
+                if (!isDefaultOrder)
+                {
+                    requestUrl = Api.Partition.SubPartitionOrderOffset;
+                }
+                else
+                {
+                    requestUrl = isOffset ? Api.Partition.SubPartitionNormalOffset : Api.Partition.SubPartitionNormal;
+                }
+            }
+
+            var queryParameters = new Dictionary<string, string>
+            {
+                { Query.PartitionId, subPartitionId.ToString() },
+                { Query.Pull, "0" },
+            };
+
+            if (isOffset)
+            {
+                queryParameters.Add(Query.OffsetId, offsetId.ToString());
+            }
+
+            if (!isDefaultOrder)
+            {
+                var sortStr = string.Empty;
+                switch (sortType)
+                {
+                    case VideoSortType.Newest:
+                        sortStr = Sort.Newest;
+                        break;
+                    case VideoSortType.Play:
+                        sortStr = Sort.Play;
+                        break;
+                    case VideoSortType.Reply:
+                        sortStr = Sort.Reply;
+                        break;
+                    case VideoSortType.Danmaku:
+                        sortStr = Sort.Danmaku;
+                        break;
+                    case VideoSortType.Favorite:
+                        sortStr = Sort.Favorite;
+                        break;
+                    default:
+                        break;
+                }
+
+                queryParameters.Add(Query.Order, sortStr);
+                queryParameters.Add(Query.PageNumber, pageNum.ToString());
+                queryParameters.Add(Query.PageSize, "30");
+            }
+
+            var request = await _httpProvider.GetRequestMessageAsync(HttpMethod.Get, requestUrl, queryParameters);
+            var response = await _httpProvider.SendAsync(request);
+            if (isOffset)
+            {
+                data = (await _httpProvider.ParseAsync<ServerResponse<SubPartition>>(response)).Data;
+            }
+            else if (!isRecommend)
+            {
+                if (!isDefaultOrder)
+                {
+                    var list = (await _httpProvider.ParseAsync<ServerResponse<List<Video>>>(response)).Data;
+                    data = new SubPartition()
+                    {
+                        NewVideos = list,
+                    };
+                }
+                else
+                {
+                    data = (await _httpProvider.ParseAsync<ServerResponse<SubPartitionDefault>>(response)).Data;
+                }
+            }
+            else
+            {
+                data = (await _httpProvider.ParseAsync<ServerResponse<SubPartitionRecommend>>(response)).Data;
+            }
+
+            return data;
+        }
+    }
+}

src/Models/Models.App/Args/PartitionAdditionalDataChangedEventArgs.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using Richasy.Bili.Models.BiliBili;
+
+namespace Richasy.Bili.Models.App.Args
+{
+    /// <summary>
+    /// 分区附加数据改变时的事件参数.
+    /// </summary>
+    public class PartitionAdditionalDataChangedEventArgs : PartitionEventArgs
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PartitionAdditionalDataChangedEventArgs"/> class.
+        /// </summary>
+        /// <param name="subPartitionId">子分区Id.</param>
+        /// <param name="requestDateTime">请求发生的时间.</param>
+        /// <param name="bannerList">横幅列表.</param>
+        /// <param name="tagList">标签列表.</param>
+        public PartitionAdditionalDataChangedEventArgs(
+            int subPartitionId,
+            DateTimeOffset requestDateTime,
+            IEnumerable<Banner> bannerList = null,
+            IEnumerable<Tag> tagList = null)
+            : base(subPartitionId, requestDateTime)
+        {
+            this.BannerList = bannerList;
+            this.TagList = tagList;
+        }
+
+        /// <summary>
+        /// 横幅列表.
+        /// </summary>
+        public IEnumerable<Banner> BannerList { get; set; }
+
+        /// <summary>
+        /// 热门标签列表.
+        /// </summary>
+        public IEnumerable<Tag> TagList { get; set; }
+    }
+}

src/Models/Models.App/Args/PartitionEventArgs.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System;
+
+namespace Richasy.Bili.Models.App.Args
+{
+    /// <summary>
+    /// 分区事件参数基类.
+    /// </summary>
+    public class PartitionEventArgs : EventArgs
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PartitionEventArgs"/> class.
+        /// </summary>
+        /// <param name="subPartitionId">子分区Id.</param>
+        /// <param name="requestDateTime">请求发生的时间.</param>
+        public PartitionEventArgs(int subPartitionId, DateTimeOffset requestDateTime)
+        {
+            this.SubPartitionId = subPartitionId;
+            this.RequestDateTime = requestDateTime;
+        }
+
+        /// <summary>
+        /// 子分区标识符.
+        /// </summary>
+        public int SubPartitionId { get; set; }
+
+        /// <summary>
+        /// 请求发生时的时间.
+        /// </summary>
+        public DateTimeOffset RequestDateTime { get; set; }
+    }
+}

src/Models/Models.App/Args/PartitionVideoIterationEventArgs.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Richasy.Bili.Models.BiliBili;
+
+namespace Richasy.Bili.Models.App.Args
+{
+    /// <summary>
+    /// 视频批量传输事件，用于传输视频列表.
+    /// </summary>
+    public class PartitionVideoIterationEventArgs : PartitionEventArgs
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PartitionVideoIterationEventArgs"/> class.
+        /// </summary>
+        /// <param name="subPartitionId">子分区Id.</param>
+        /// <param name="requestDateTime">请求发生时间.</param>
+        /// <param name="partionData">子分区数据.</param>
+        /// <param name="nextPageNumber">下一页码.</param>
+        public PartitionVideoIterationEventArgs(
+            int subPartitionId,
+            DateTimeOffset requestDateTime,
+            SubPartition partionData,
+            int nextPageNumber)
+            : base(subPartitionId, requestDateTime)
+        {
+            this.SubPartitionId = subPartitionId;
+            this.TopOffsetId = partionData.TopOffsetId;
+            this.BottomOffsetId = partionData.BottomOffsetId;
+            this.RequestDateTime = requestDateTime;
+            this.NextPageNumber = nextPageNumber;
+
+            var videoList = new List<Video>();
+            if (partionData.NewVideos?.Any() ?? false)
+            {
+                videoList = videoList.Concat(partionData.NewVideos).ToList();
+            }
+
+            if (partionData.RecommendVideos?.Any() ?? false)
+            {
+                videoList = videoList.Concat(partionData.RecommendVideos).ToList();
+            }
+
+            this.VideoList = videoList;
+        }
+
+        /// <summary>
+        /// 视频列表.
+        /// </summary>
+        public List<Video> VideoList { get; set; }
+
+        /// <summary>
+        /// 向上偏移标识符.
+        /// </summary>
+        public int TopOffsetId { get; set; }
+
+        /// <summary>
+        /// 向下偏移标识符.
+        /// </summary>
+        public int BottomOffsetId { get; set; }
+
+        /// <summary>
+        /// 下一个页码.
+        /// </summary>
+        public int NextPageNumber { get; set; }
+    }
+}

src/Models/Models.App/Constants/ControllerConstants.cs

+// Copyright (c) Richasy. All rights reserved.
+
+namespace Richasy.Bili.Models.App.Constants
+{
+    /// <summary>
+    /// 控制器使用的常量.
+    /// </summary>
+    public static class ControllerConstants
+    {
+#pragma warning disable SA1600 // Elements should be documented
+#pragma warning disable SA1401 // Fields should be private
+        public static class Names
+        {
+            public const string PartitionIndex = "partitionIndex.json";
+            public const string ServerFolder = "Server";
+        }
+#pragma warning disable SA1600 // Elements should be documented
+#pragma warning disable SA1401 // Fields should be private
+    }
+}

src/Models/Models.App/Constants/ServiceConstants.cs

@@ -39,6 +39,21 @@ namespace Richasy.Bili.Models.App.Constants
             public const string GeeType = "gee_type";
             public const string LocalId = "local_id";
             public const string AuthCode = "auth_code";
+            public const string PartitionId = "rid";
+            public const string OffsetId = "ctime";
+            public const string Order = "order";
+            public const string Pull = "pull";
+            public const string PageNumber = "pn";
+            public const string PageSize = "ps";
+        }
+
+        public static class Sort
+        {
+            public const string Newest = "senddate";
+            public const string Play = "view";
+            public const string Reply = "reply";
+            public const string Danmaku = "danmaku";
+            public const string Favorite = "favorite";
         }
 
         public static class Messages
@@ -121,6 +136,39 @@ namespace Richasy.Bili.Models.App.Constants
                 /// </summary>
                 public const string MyInfo = _appBase + "/x/v2/account/myinfo";
             }
+
+            public static class Partition
+            {
+                /// <summary>
+                /// 分区索引（包含子分区数据）.
+                /// </summary>
+                public const string PartitionIndex = _appBase + "/x/v2/region/index";
+
+                /// <summary>
+                /// 推荐子分区.
+                /// </summary>
+                public const string SubPartitionRecommend = _appBase + "/x/v2/region/dynamic";
+
+                /// <summary>
+                /// 推荐子分区的增量加载.
+                /// </summary>
+                public const string SubPartitionRecommendOffset = _appBase + "/x/v2/region/dynamic/list";
+
+                /// <summary>
+                /// 常规子分区.
+                /// </summary>
+                public const string SubPartitionNormal = _appBase + "/x/v2/region/dynamic/child";
+
+                /// <summary>
+                /// 常规子分区的增量加载.
+                /// </summary>
+                public const string SubPartitionNormalOffset = _appBase + "/x/v2/region/dynamic/child/list";
+
+                /// <summary>
+                /// 子分区排序增量加载.
+                /// </summary>
+                public const string SubPartitionOrderOffset = _appBase + "/x/v2/region/show/child/list";
+            }
         }
 #pragma warning restore SA1401 // Fields should be private
 #pragma warning restore SA1600 // Elements should be documented

src/Models/Models.App/Other/LocalCache.cs

+// Copyright (c) Richasy. All rights reserved.
+
+using System;
+
+namespace Richasy.Bili.Models.App.Other
+{
+    /// <summary>
+    /// 本地缓存基本类型.
+    /// </summary>
+    /// <typeparam name="T">存储的数据类型.</typeparam>
+    public class LocalCache<T>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LocalCache{T}"/> class.
+        /// </summary>
+        /// <param name="expiryTime">过期时间.</param>
+        /// <param name="data">要存储的数据.</param>
+        public LocalCache(DateTimeOffset expiryTime, T data)
+        {
+            this.ExpiryTime = expiryTime;
+            this.Data = data;
+        }
+
+        /// <summary>
+        /// 过期时间.
+        /// </summary>
+        public DateTimeOffset ExpiryTime { get; set; }
+
+        /// <summary>
+        /// 缓存的数据.
+        /// </summary>
+        public T Data { get; set; }
+    }
+}

src/Models/Models.App/Other/ServiceException.cs

@@ -3,7 +3,7 @@
 using System;
 using Richasy.Bili.Models.BiliBili;
 
-namespace Richasy.Bili.Models.App.Other.Models
+namespace Richasy.Bili.Models.App.Other
 {
     /// <summary>
     /// Graph service exception.

src/Models/Models.BiliBili/Partition/Partition.cs

@@ -61,7 +61,7 @@ namespace Richasy.Bili.Models.BiliBili
         {
             var needToShow = !string.IsNullOrEmpty(Uri) &&
                 Uri.StartsWith("bilibili") &&
-                (Uri.Contains("pgc/partition_page") || Uri.Contains("region/")) &&
+                Uri.Contains("region/") &&
                 Children != null &&
                 Children.Count > 0;
             return needToShow;

src/Models/Models.BiliBili/Partition/SubPartition.cs

@@ -22,6 +22,18 @@ namespace Richasy.Bili.Models.BiliBili
         /// </summary>
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "new", Required = Required.Default)]
         public List<Video> NewVideos { get; set; }
+
+        /// <summary>
+        /// 向上刷新的标识符.
+        /// </summary>
+        [JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "ctop", Required = Required.Default)]
+        public int TopOffsetId { get; set; }
+
+        /// <summary>
+        /// 向下刷新的标识符.
+        /// </summary>
+        [JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "cbottom", Required = Required.Default)]
+        public int BottomOffsetId { get; set; }
     }
 
     /// <summary>

src/Utilities/Toolkit/Toolkit.Interfaces/IFileToolkit.cs

@@ -18,7 +18,7 @@ namespace Richasy.Bili.Toolkit.Interfaces
         /// <param name="defaultValue">The default value when the file does not exist or has no content.</param>
         /// <param name="folderName">The folder to which the file belongs.</param>
         /// <returns>Converted result.</returns>
-        Task<T> ReadLocalDataAsync<T>(string fileName, string defaultValue = "[]", string folderName = "");
+        Task<T> ReadLocalDataAsync<T>(string fileName, string defaultValue = "{}", string folderName = "");
 
         /// <summary>
         /// Write data to local file.

src/Utilities/Toolkit/Toolkit.Uwp/FileToolkit.cs

@@ -17,7 +17,7 @@ namespace Richasy.Bili.Toolkit.Uwp
     public class FileToolkit : IFileToolkit
     {
         /// <inheritdoc/>
-        public Task<T> ReadLocalDataAsync<T>(string fileName, string defaultValue = "[]", string folderName = "") => Task.Run(async () =>
+        public Task<T> ReadLocalDataAsync<T>(string fileName, string defaultValue = "{}", string folderName = "") => Task.Run(async () =>
         {
             var path = string.IsNullOrEmpty(folderName) ?
                             $"ms-appdata:///local/{fileName}" :

src/ViewModels/ViewModels.Uwp/PartitionModuleViewModel/PartitionModuleViewModel.Properties.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.ObjectModel;
 using ReactiveUI.Fody.Helpers;
+using Richasy.Bili.Controller.Uwp;
 
 namespace Richasy.Bili.ViewModels.Uwp
 {
@@ -11,6 +12,8 @@ namespace Richasy.Bili.ViewModels.Uwp
     /// </summary>
     public partial class PartitionModuleViewModel
     {
+        private readonly BiliController _controller;
+
         /// <summary>
         /// <see cref="PartitionModuleViewModel"/>的单例.
         /// </summary>
@@ -27,6 +30,12 @@ namespace Richasy.Bili.ViewModels.Uwp
         [Reactive]
         public bool IsLoading { get; set; }
 
+        /// <summary>
+        /// 是否出现了错误以至于无法显示分区索引.
+        /// </summary>
+        [Reactive]
+        public bool IsError { get; set; }
+
         /// <summary>
         /// 当前选中的分区.
         /// </summary>

src/ViewModels/ViewModels.Uwp/PartitionModuleViewModel/PartitionModuleViewModel.cs

 // Copyright (c) Richasy. All rights reserved.
 
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Linq;
 using System.Threading.Tasks;
-using Richasy.Bili.Models.BiliBili;
 
 namespace Richasy.Bili.ViewModels.Uwp
 {
@@ -19,6 +16,7 @@ namespace Richasy.Bili.ViewModels.Uwp
         internal PartitionModuleViewModel()
         {
             PartitionCollection = new ObservableCollection<PartitionViewModel>();
+            _controller = Controller.Uwp.BiliController.Instance;
         }
 
         /// <summary>
@@ -28,10 +26,35 @@ namespace Richasy.Bili.ViewModels.Uwp
         public async Task InitializeAllPartitionAsync()
         {
             IsLoading = true;
+            IsError = false;
             PartitionCollection.Clear();
-            var response = await LoadMockDataAsync<ServerResponse<List<Partition>>>("PartitionList");
-            response.Data.Where(p => p.IsNeedToShow()).ToList().ForEach(p => PartitionCollection.Add(new PartitionViewModel(p)));
+            try
+            {
+                var data = await _controller.RequestPartitionIndexAsync();
+                data.ForEach(p => PartitionCollection.Add(new PartitionViewModel(p)));
+            }
+            catch
+            {
+                IsError = true;
+            }
+
             IsLoading = false;
         }
+
+        /// <summary>
+        /// 打开分区.
+        /// </summary>
+        /// <param name="vm">分区视图模型.</param>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task SelectPartitionAsync(PartitionViewModel vm)
+        {
+            if (CurrentPartition != null && CurrentPartition != vm)
+            {
+                CurrentPartition.Deactive();
+            }
+
+            CurrentPartition = vm;
+            await vm.ActivateAsync();
+        }
     }
 }

src/ViewModels/ViewModels.Uwp/PartitionViewModel/PartitionViewModel.cs

@@ -2,6 +2,7 @@
 
 using System.Collections.ObjectModel;
 using System.Linq;
+using System.Threading.Tasks;
 using Richasy.Bili.Models.BiliBili;
 
 namespace Richasy.Bili.ViewModels.Uwp
@@ -21,23 +22,63 @@ namespace Richasy.Bili.ViewModels.Uwp
             this.Init();
         }
 
+        /// <summary>
+        /// 激活该分区.
+        /// </summary>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task ActivateAsync()
+        {
+            if (this.CurrentSelectedSubPartition == null)
+            {
+                await SelectSubPartitionAsync(SubPartitionCollection.First());
+            }
+            else
+            {
+                this.CurrentSelectedSubPartition.Activate();
+            }
+        }
+
+        /// <summary>
+        /// 停用该分区.
+        /// </summary>
+        public void Deactive()
+        {
+            if (this.CurrentSelectedSubPartition != null)
+            {
+                this.CurrentSelectedSubPartition.Deactive();
+            }
+        }
+
+        /// <summary>
+        /// 设置选中的子分区.
+        /// </summary>
+        /// <param name="vm">子分区视图模型.</param>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task SelectSubPartitionAsync(SubPartitionViewModel vm)
+        {
+            if (this.CurrentSelectedSubPartition != null)
+            {
+                this.CurrentSelectedSubPartition.Deactive();
+            }
+
+            this.CurrentSelectedSubPartition = vm;
+            vm.Activate();
+            if (!vm.IsRequested)
+            {
+                await vm.InitializeRequestAsync();
+            }
+        }
+
         private void Init()
         {
             this.Title = this._partition.Name;
             this.ImageUrl = this._partition.Logo;
             this.SubPartitionCollection = new ObservableCollection<SubPartitionViewModel>();
 
-            if (this._partition.Children != null && this._partition.Children.Count > 0)
+            if (this._partition.Children?.Any() ?? false)
             {
                 this._partition.Children.ForEach(p => this.SubPartitionCollection.Add(new SubPartitionViewModel(p)));
             }
-
-            if (this._partition.IsBangumi != 1)
-            {
-                this.SubPartitionCollection.Insert(0, new SubPartitionViewModel(null));
-            }
-
-            this.CurrentSelectedSubPartition = this.SubPartitionCollection.First();
         }
     }
 }

src/ViewModels/ViewModels.Uwp/SubPartitionViewModel/SubPartitionViewModel.Properties.cs

 // Copyright (c) Richasy. All rights reserved.
 
+using System;
 using System.Collections.ObjectModel;
 using ReactiveUI.Fody.Helpers;
+using Richasy.Bili.Controller.Uwp;
 using Richasy.Bili.Models.BiliBili;
 using Richasy.Bili.Models.Enums;
 using Richasy.Bili.Toolkit.Interfaces;
@@ -16,17 +18,21 @@ namespace Richasy.Bili.ViewModels.Uwp
         private readonly Partition _partition;
         private readonly bool _isRecommendPartition;
         private readonly IResourceToolkit _resourceToolkit;
+        private readonly BiliController _controller;
+
+        private int _offsetId = 0;
+        private int _pageNumber = 1;
+        private DateTimeOffset _lastRequestTime = DateTimeOffset.MinValue;
 
         /// <summary>
         /// 子分区Id.
         /// </summary>
-        public int SubPartitionId => _partition?.Tid ?? -1;
+        public int SubPartitionId { get; internal set; }
 
         /// <summary>
         /// 标识该分区是否已经加载过数据.
         /// </summary>
-        [Reactive]
-        public bool IsRequested { get; private set; }
+        public bool IsRequested => _offsetId != 0 || _pageNumber > 1;
 
         /// <summary>
         /// 子分区名称.

src/ViewModels/ViewModels.Uwp/SubPartitionViewModel/SubPartitionViewModel.cs

 // Copyright (c) Richasy. All rights reserved.
 
-using System.Collections.Generic;
+using System;
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using System.Linq;
 using System.Threading.Tasks;
 using Richasy.Bili.Locator.Uwp;
+using Richasy.Bili.Models.App.Args;
 using Richasy.Bili.Models.BiliBili;
 using Richasy.Bili.Models.Enums;
 
@@ -21,11 +23,13 @@ namespace Richasy.Bili.ViewModels.Uwp
         /// <param name="partition">子分区数据.</param>
         public SubPartitionViewModel(Partition partition)
         {
+            _controller = Controller.Uwp.BiliController.Instance;
             ServiceLocator.Instance.LoadService(out _resourceToolkit);
             BannerCollection = new ObservableCollection<Banner>();
             VideoCollection = new ObservableCollection<VideoViewModel>();
             TagCollection = new ObservableCollection<Tag>();
             this._partition = partition;
+            SubPartitionId = partition?.Tid ?? -1;
             if (this._partition != null)
             {
                 this.Title = this._partition.Name;
@@ -38,6 +42,30 @@ namespace Richasy.Bili.ViewModels.Uwp
                 this.Title = this._resourceToolkit.GetLocaleString(LanguageNames.Recommend);
                 this._isRecommendPartition = true;
             }
+
+            this.PropertyChanged += OnPropertyChangedAsync;
+        }
+
+        /// <summary>
+        /// 激活该分区.
+        /// </summary>
+        public void Activate()
+        {
+            _controller.SubPartitionVideoIteration += OnSubPartitionVideoIteration;
+            _controller.SubPartitionAdditionalDataChanged += OnSubPartitionAdditionalDataChanged;
+            if (_isRecommendPartition)
+            {
+                SubPartitionId = PartitionModuleViewModel.Instance.CurrentPartition.PartitionId;
+            }
+        }
+
+        /// <summary>
+        /// 停用该分区.
+        /// </summary>
+        public void Deactive()
+        {
+            _controller.SubPartitionVideoIteration -= OnSubPartitionVideoIteration;
+            _controller.SubPartitionAdditionalDataChanged -= OnSubPartitionAdditionalDataChanged;
         }
 
         /// <summary>
@@ -62,53 +90,15 @@ namespace Richasy.Bili.ViewModels.Uwp
         /// <returns><see cref="Task"/>.</returns>
         internal async Task InitializeRequestAsync()
         {
-            IsInitializeLoading = true;
-            VideoCollection.Clear();
-            BannerCollection.Clear();
-            TagCollection.Clear();
-            var videos = new List<Video>();
-            SubPartition source = null;
-            await Task.Delay(400);
-            if (_isRecommendPartition)
-            {
-                var data = await LoadMockDataAsync<ServerResponse<SubPartitionRecommend>>("RecommendSubpartitionFirstRequest");
-                source = data.Data;
-                if (data.Data.Banner != null && data.Data.Banner.TopBanners != null)
-                {
-                    data.Data.Banner.TopBanners.ForEach(p => BannerCollection.Add(p));
-                }
-            }
-            else
+            if (!IsInitializeLoading && !IsDeltaLoading)
             {
-                var data = await LoadMockDataAsync<ServerResponse<SubPartitionDefault>>("SubpartitionFirstRequest");
-                source = data.Data;
-                TagCollection.Clear();
-                if (data.Data.TopTags != null && data.Data.TopTags.Count > 0)
-                {
-                    data.Data.TopTags.ForEach(p => TagCollection.Add(p));
-                }
+                IsInitializeLoading = true;
+                VideoCollection.Clear();
+                _offsetId = 0;
+                _lastRequestTime = DateTimeOffset.MinValue;
+                await _controller.RequestSubPartitionDataAsync(SubPartitionId, _isRecommendPartition, 0, CurrentSortType, _pageNumber);
+                IsInitializeLoading = false;
             }
-
-            if (source != null)
-            {
-                if (source.NewVideos != null && source.NewVideos.Count > 0)
-                {
-                    videos = videos.Concat(source.NewVideos).ToList();
-                }
-
-                if (source.RecommendVideos != null && source.RecommendVideos.Count > 0)
-                {
-                    videos = videos.Concat(source.RecommendVideos).ToList();
-                }
-            }
-
-            if (videos.Count > 0)
-            {
-                videos.ForEach(p => VideoCollection.Add(new VideoViewModel(p)));
-            }
-
-            IsInitializeLoading = false;
-            IsRequested = true;
         }
 
         /// <summary>
@@ -117,53 +107,70 @@ namespace Richasy.Bili.ViewModels.Uwp
         /// <returns><see cref="Task"/>.</returns>
         internal async Task DeltaRequestAsync()
         {
-            ServerResponse<SubPartitionDefault> data;
-            IsDeltaLoading = true;
-            await Task.Delay(400);
-            if (_isRecommendPartition)
+            if (!IsDeltaLoading)
             {
-                data = await LoadMockDataAsync<ServerResponse<SubPartitionDefault>>("RecommendSubpartitionNextRequest");
+                IsDeltaLoading = true;
+                await _controller.RequestSubPartitionDataAsync(SubPartitionId, _isRecommendPartition, _offsetId, CurrentSortType, _pageNumber);
+                IsDeltaLoading = false;
             }
-            else
+        }
+
+        private void GenerateSortType()
+        {
+            SortTypeCollection = new ObservableCollection<VideoSortType>()
             {
-                data = await LoadMockDataAsync<ServerResponse<SubPartitionDefault>>("SubpartitionNextRequest");
+                VideoSortType.Default,
+                VideoSortType.Newest,
+                VideoSortType.Play,
+                VideoSortType.Reply,
+                VideoSortType.Danmaku,
+                VideoSortType.Favorite,
+            };
+        }
+
+        private async void OnPropertyChangedAsync(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == nameof(CurrentSortType))
+            {
+                await InitializeRequestAsync();
             }
+        }
 
-            var source = data.Data;
-            var videos = new List<Video>();
-            if (source != null)
+        private void OnSubPartitionAdditionalDataChanged(object sender, PartitionAdditionalDataChangedEventArgs e)
+        {
+            if (e.SubPartitionId == SubPartitionId)
             {
-                if (source.NewVideos != null && source.NewVideos.Count > 0)
+                if (e.BannerList?.Any() ?? false)
                 {
-                    videos = videos.Concat(source.NewVideos).ToList();
+                    BannerCollection.Clear();
+                    e.BannerList.ToList().ForEach(p => BannerCollection.Add(p));
                 }
 
-                if (source.RecommendVideos != null && source.RecommendVideos.Count > 0)
+                if (e.TagList?.Any() ?? false)
                 {
-                    videos = videos.Concat(source.RecommendVideos).ToList();
+                    TagCollection.Clear();
+                    e.TagList.ToList().ForEach(p => TagCollection.Add(p));
                 }
             }
-
-            if (videos.Count > 0)
-            {
-                videos.ForEach(p => VideoCollection.Add(new VideoViewModel(p)));
-            }
-
-            IsDeltaLoading = false;
-            IsRequested = true;
         }
 
-        private void GenerateSortType()
+        private void OnSubPartitionVideoIteration(object sender, PartitionVideoIterationEventArgs e)
         {
-            SortTypeCollection = new ObservableCollection<VideoSortType>()
+            if (e.SubPartitionId == SubPartitionId)
             {
-                VideoSortType.Default,
-                VideoSortType.Newest,
-                VideoSortType.Play,
-                VideoSortType.Reply,
-                VideoSortType.Danmaku,
-                VideoSortType.Favorite,
-            };
+                _pageNumber = e.NextPageNumber;
+
+                if (e.RequestDateTime > _lastRequestTime)
+                {
+                    _lastRequestTime = e.RequestDateTime;
+                    _offsetId = e.BottomOffsetId;
+                }
+
+                if (e.VideoList?.Any() ?? false)
+                {
+                    e.VideoList.ForEach(p => VideoCollection.Add(new VideoViewModel(p)));
+                }
+            }
         }
     }
 }

src/ViewModels/ViewModels.Uwp/ViewModels.Uwp.csproj

@@ -17,8 +17,8 @@
     <Compile Include="PartitionViewModel\PartitionViewModel.Properties.cs" />
     <Compile Include="SubPartitionViewModel\SubPartitionViewModel.cs" />
     <Compile Include="SubPartitionViewModel\SubPartitionViewModel.Properties.cs" />
-    <Compile Include="AccountViewModel.cs" />
-    <Compile Include="AccountViewModel.Properties.cs" />
+    <Compile Include="AccountViewModel\AccountViewModel.cs" />
+    <Compile Include="AccountViewModel\AccountViewModel.Properties.cs" />
     <Compile Include="VideoViewModel\VideoViewModel.cs" />
     <Compile Include="VideoViewModel\VideoViewModel.Properties.cs" />
     <Compile Include="ViewModelBase.cs" />
@@ -55,6 +55,10 @@
       <Project>{c8ab398f-10c2-4b97-87f0-f09b922947d6}</Project>
       <Name>Lib.Uwp</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\Models\Models.App\Models.App.csproj">
+      <Project>{9E61CC56-43F9-489C-AAAF-BD5EC69367C4}</Project>
+      <Name>Models.App</Name>
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