feat: export record

Hollow/Languages/Lang.resx

@@ -198,4 +198,13 @@
     <data name="SignalSearch_Detailed_SingleOrConsecutive_Consecutive" xml:space="preserve">
         <value>Consecutive - {0} poll</value>
     </data>
+    <data name="SignalSearch_Export_Tip" xml:space="preserve">
+        <value>Select the UIDs to be exported:</value>
+    </data>
+    <data name="Dialog_Ok" xml:space="preserve">
+        <value>Ok</value>
+    </data>
+    <data name="Dialog_Cancel" xml:space="preserve">
+        <value>Cancel</value>
+    </data>
 </root>

Hollow/Languages/Lang.zh-cn.resx

@@ -198,4 +198,13 @@
     <data name="SignalSearch_Detailed_SingleOrConsecutive_Consecutive" xml:space="preserve">
         <value>十连 - 第{0}抽</value>
     </data>
+    <data name="SignalSearch_Export_Tip" xml:space="preserve">
+        <value>选择需要导出的 UIDs:</value>
+    </data>
+    <data name="Dialog_Ok" xml:space="preserve">
+        <value>确认</value>
+    </data>
+    <data name="Dialog_Cancel" xml:space="preserve">
+        <value>取消</value>
+    </data>
 </root>

Hollow/ViewModels/Pages/SignalSearchViewModel.cs

@@ -5,6 +5,8 @@
 using System.Linq;
 using System.Text.Json;
 using System.Threading.Tasks;
+using Avalonia.Controls;
+using Avalonia.Platform.Storage;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using Hollow.Abstractions.Models;
@@ -17,6 +19,7 @@
 using Hollow.Models.Pages.SignalSearch;
 using Hollow.Services.GachaService;
 using Hollow.Services.NavigationService;
+using Hollow.Views;
 using Hollow.Views.Controls;
 using Hollow.Views.Dialogs;
 using Hollow.Views.Pages;
@@ -105,7 +108,20 @@ private async Task LoadGachaRecords(string? updatedUid = null)
     [RelayCommand]
     private void ExportRecords()
     {
-        HollowHost.ShowDialog(new StandardDialog());
+        HollowHost.ShowDialog(new ExportDialog(UidList, SelectedUidListCallback));
+    }
+
+    private async void SelectedUidListCallback(string[] selectedUidList)
+    {
+        if (selectedUidList.Length == 0) return;
+        var gachaRecords = new GachaRecords { Info = { ExportAppVersion = AppInfo.AppVersion, ExportTimestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString() }, Profiles = selectedUidList.Select(uid => _gachaProfiles![uid]).ToList() };
+
+        var topLevel = TopLevel.GetTopLevel(App.GetService<MainWindow>());
+        var file = await topLevel!.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions { Title = "Save Text File", SuggestedFileName = $"Hollow_{gachaRecords.Info.ExportTimestamp}.json"});
+        if (file is null) return;
+        await using var stream = await file.OpenWriteAsync();
+        await using var streamWriter = new StreamWriter(stream);
+        await streamWriter.WriteLineAsync(JsonSerializer.Serialize(gachaRecords, HollowJsonSerializer.Options));
     }
 
     [RelayCommand]

Hollow/Views/Dialogs/ExportDialog.axaml

@@ -0,0 +1,32 @@
+<UserControl
+    MinWidth="300"
+    x:Class="Hollow.Views.Dialogs.ExportDialog"
+    x:DataType="dialogs:ExportDialogViewModel"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:dialogs="clr-namespace:Hollow.Views.Dialogs"
+    xmlns:languages="clr-namespace:Hollow.Languages"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <StackPanel Spacing="17">
+        <TextBlock Text="{I18N {x:Static languages:LangKeys.SignalSearch_Export_Tip}}" />
+
+        <ListBox
+            ItemsSource="{Binding UidList}"
+            SelectedItems="{Binding SelectedUidList, Mode=TwoWay}"
+            SelectionMode="Multiple, Toggle" />
+
+        <Grid ColumnDefinitions="*, 10, *">
+            <Button
+                Command="{Binding CancelCommand}"
+                Content="{I18N {x:Static languages:LangKeys.Dialog_Cancel}}"
+                Grid.Column="0"
+                HorizontalAlignment="Stretch"
+                HorizontalContentAlignment="Center" />
+            <Button
+                Command="{Binding OkCommand}"
+                Content="{I18N {x:Static languages:LangKeys.Dialog_Ok}}"
+                Grid.Column="2"
+                HorizontalAlignment="Stretch"
+                HorizontalContentAlignment="Center" />
+        </Grid>
+    </StackPanel>
+</UserControl>

Hollow/Views/Dialogs/ExportDialog.axaml.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.ObjectModel;
+using Avalonia.Controls;
+
+namespace Hollow.Views.Dialogs;
+
+public partial class ExportDialog : UserControl
+{
+    public ExportDialog(ObservableCollection<string> uidList, Action<string[]> selectedUidListCallback)
+    {
+        InitializeComponent();
+
+        DataContext = new ExportDialogViewModel(uidList, selectedUidListCallback);
+    }
+}

Hollow/Views/Dialogs/ExportDialogViewModel.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Hollow.Views.Controls;
+
+namespace Hollow.Views.Dialogs;
+
+public partial class ExportDialogViewModel(
+    ObservableCollection<string> uidList,
+    Action<string[]> selectedUidListCallback)
+    : ObservableObject
+{
+    [ObservableProperty]
+    private ObservableCollection<string> _uidList = uidList;
+
+    [ObservableProperty]
+    private ObservableCollection<string> _selectedUidList = [];
+
+    [RelayCommand]
+    private void Ok()
+    {
+        selectedUidListCallback(SelectedUidList.ToArray());
+        HollowHost.CloseDialog();
+    }
+
+    [RelayCommand]
+    private void Cancel()
+    {
+        HollowHost.CloseDialog();
+    }
+}