Secondary Title Language support.

Happy Reader/App.xaml

@@ -22,6 +22,7 @@
 		<view:OwnedStatusToTextConverter x:Key="OwnedStatusToTextConverter" />
 		<view:DateToWeightConverter x:Key="DateToWeightConverter" />
 		<view:DateToBrushConverter x:Key="DateToBrushConverter" />
+		<view:VnToReleaseDateStringConverter x:Key="VnToReleaseDateStringConverter" />
 		<converters:UserVnToBackgroundConverter x:Key="UserVnToBackgroundConverter" />
 		<converters:RunningStatusToBrushConverter x:Key="RunningStatusToBrushConverter" />
 		<converters:GameDisplayNameConverter x:Key="GameDisplayNameConverter" />

Happy Reader/Happy Reader.csproj

@@ -175,6 +175,7 @@
     <Compile Include="ViewModel\NamedFunction.cs" />
     <Compile Include="ViewModel\ProducersTabViewModel.cs" />
     <Compile Include="ViewModel\SettingsViewModel.cs" />
+    <Compile Include="ViewModel\TitleOrderingType.cs" />
     <Compile Include="ViewModel\UserGamesViewModel.cs" />
     <Compile Include="View\ColorSelector.xaml.cs">
       <DependentUpon>ColorSelector.xaml</DependentUpon>

Happy Reader/Model/StaticMethods.cs

@@ -363,7 +363,14 @@ public static ImageSource GetFlag(string language)
 			}
 			return exists;
 		}
-	}
+
+        public static void GetDateFromVisualNovel(ListedVN vn, out DateTime releaseDate, out string releaseDateString)
+        {
+            var secondary = MainWindow.ViewModel.DatabaseViewModel.OrderingType == TitleOrderingType.SecondaryDate;
+            releaseDate = secondary ? vn.ReleaseDateSecondary : vn.ReleaseDate;
+            releaseDateString = secondary ? releaseDate.ToString("yyyy-MM-dd") : vn.ReleaseDateString;
+        }
+    }
 
 	public class FiltersData : SettingsJsonFile
 	{

Happy Reader/View/Tabs/DatabaseTab.xaml

@@ -54,6 +54,7 @@
 		<TextBox Margin="65,0,321,0" TextWrapping="Wrap" VerticalContentAlignment="Center" PreviewKeyUp="SearchByText" Height="30" VerticalAlignment="Stretch" Grid.Row="1"/>
 		<ComboBox HorizontalAlignment="Right" Margin="0,0,125,0" Width="191" Grid.Row="1" SelectedIndex="0" VerticalContentAlignment="Center">
 			<ComboBoxItem Content="Sort by Release Date" Selected="SortByRelease"/>
+			<ComboBoxItem Content="Sort by Release Date (Secondary)" Selected="SortByReleaseSecondary"/>
 			<ComboBoxItem Content="Sort by ID" Selected="SortByID"/>
 			<ComboBoxItem Content="Sort by Suggestion Score" Selected="SortByRecommended"/>
 			<ComboBoxItem Content="Sort by My Score" Selected="SortByMyScore"/>

Happy Reader/View/Tabs/DatabaseTab.xaml.cs

@@ -84,12 +84,17 @@ private async void SortByMyScore(object sender, RoutedEventArgs e)
 			if (ViewModel != null) await ViewModel.SortByMyScore();
 		}
 
-		private async void SortByRelease(object sender, RoutedEventArgs e)
-		{
-			if (ViewModel != null) await ViewModel.SortByReleaseDate();
-		}
+        private async void SortByRelease(object sender, RoutedEventArgs e)
+        {
+            if (ViewModel != null) await ViewModel.SortByReleaseDate(true);
+        }
+
+        private async void SortByReleaseSecondary(object sender, RoutedEventArgs e)
+        {
+            if (ViewModel != null) await ViewModel.SortByReleaseDate(false);
+        }
 
-		private async void SortByRating(object sender, RoutedEventArgs e)
+        private async void SortByRating(object sender, RoutedEventArgs e)
 		{
 			if (ViewModel != null) await ViewModel.SortByRating();
 		}

Happy Reader/View/Tabs/SettingsTab.xaml

@@ -46,11 +46,12 @@
 		<TabControl TabStripPlacement="Top">
 			<TabItem Header="Core Settings" DataContext="{Binding CoreSettings}">
 			<StackPanel>
-				<view:LabeledTextBox LabelWidth="120" Label="UserID:" Text="{Binding UserID}"/>
-				<view:LabeledTextBox LabelWidth="120" Label="Username:" Text="{Binding Username}"/>
-				<Grid>
+				<view:LabeledTextBox LabelWidth="150" Label="UserID:" Text="{Binding UserID}"/>
+				<view:LabeledTextBox LabelWidth="150" Label="Username:" Text="{Binding Username}"/>
+				<view:LabeledTextBox LabelWidth="150" Label="Secondary Title Language:" Text="{Binding SecondaryTitleLanguage}" ToolTip="Secondary language (2 letter form) to sort titles by release date in that language"/>
+					<Grid>
 					<Grid.ColumnDefinitions>
-						<ColumnDefinition Width="120"/>
+						<ColumnDefinition Width="150"/>
 						<ColumnDefinition/>
 					</Grid.ColumnDefinitions>
 					<Label Grid.Column="0" Content="Password:"/>

Happy Reader/View/Tiles/CharacterTile.xaml

@@ -51,7 +51,7 @@
 					<TextBox x:Name="VisualNovelNameBox" Text="{Binding VisualNovel.Title, Mode=OneWay}" Foreground="Black" Padding="5,0,0,0" />
 					<TextBox x:Name="ProducerBox" Text="{Binding VisualNovel.Producer.Name, Mode=OneWay}" Foreground="Black" Padding="5,0,0,0" />
 					<Border Padding="5,0,0,0" BorderBrush="{Binding NewSinceUpdate, Converter={StaticResource NewlyAddedBorderBrushConverter}}" BorderThickness="1">
-						<TextBox x:Name="VisualNovelReleaseBox" Text="{Binding VisualNovel.ReleaseDateString, Mode=OneWay}" Foreground="{Binding VisualNovel.ReleaseDate, Converter={StaticResource DateToBrushConverter}}"/>
+						<TextBox x:Name="VisualNovelReleaseBox" Text="{Binding VisualNovel, Converter={StaticResource VnToReleaseDateStringConverter}, Mode=OneWay}" Foreground="{Binding VisualNovel, Converter={StaticResource DateToBrushConverter}}"/>
 					</Border>
 					</StackPanel>
 			</Grid>

Happy Reader/View/Tiles/VNTile.xaml

@@ -31,9 +31,9 @@
 				</TextBlock>
 			</Label>
 			<Label Margin="0,0,10,31" VerticalAlignment="Bottom" HorizontalAlignment="Right" Width="82" HorizontalContentAlignment="Right" 
-			       Foreground="{Binding Path=ReleaseDate, Converter={StaticResource DateToBrushConverter}, NotifyOnSourceUpdated=True, Mode=OneWay}" Padding="0">
+			       Foreground="{Binding Path=., Converter={StaticResource DateToBrushConverter}, NotifyOnSourceUpdated=True, Mode=OneWay}" Padding="0">
 				<Border BorderBrush="{Binding NewSinceUpdate, Converter={StaticResource NewlyAddedBorderBrushConverter}}" BorderThickness="1">
-					<TextBlock Text="{Binding ReleaseDateString}" FontWeight="{Binding ReleaseDate, Converter={StaticResource DateToWeightConverter}}"/>
+					<TextBlock Text="{Binding ., Converter={StaticResource VnToReleaseDateStringConverter}}" FontWeight="{Binding ., Converter={StaticResource DateToWeightConverter}}"/>
 				</Border>
 				</Label>
 			<Label Content="{Binding UserVN, Converter={StaticResource UserRelatedStatusConverter}}" 

Happy Reader/ViewModel/DatabaseViewModelBase.cs

@@ -25,7 +25,6 @@ public abstract class DatabaseViewModelBase : INotifyPropertyChanged
 		private const int PageSize = 50;
 		private int _currentPage;
 		private bool _finalPage;
-		private bool _orderingByRating;
 		private string _replyText;
 		private Brush _replyColor;
 		private Brush _vndbConnectionBackground;
@@ -105,9 +104,10 @@ public SuggestionScorer SuggestionScorer
 					StaticHelpers.LocalDatabase);
 				return _suggestionScorer;
 			}
-		}
+        }
+        public TitleOrderingType OrderingType { get; private set; }
 
-		protected DatabaseViewModelBase(MainWindowViewModel mainWindowViewModel)
+        protected DatabaseViewModelBase(MainWindowViewModel mainWindowViewModel)
 		{
 			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i)?.ReleaseDate ?? DateTime.MaxValue);
 			MainViewModel = mainWindowViewModel;
@@ -190,10 +190,14 @@ protected async Task RefreshTiles()
 			{
 				var items = DbFunction.SelectAndInvoke(StaticHelpers.LocalDatabase, this);
 				OnPropertyChanged(nameof(SelectedFunctionIndex));
-				if (_orderingByRating && StaticMethods.Settings.GuiSettings.ExcludeLowVotesForRatingSort)
+				if (OrderingType == TitleOrderingType.Rating && StaticMethods.Settings.GuiSettings.ExcludeLowVotesForRatingSort)
 				{
 					items = items.Where(i => !((GetVisualNovel(i)?.VoteCount ?? 0) < GuiSettings.VotesRequiredForRatingSort));
 				}
+				else if (OrderingType == TitleOrderingType.SecondaryDate)
+                {
+                    items = items.Where(i => GetVisualNovel(i).ReleaseDateSecondary != DateTime.MaxValue);
+                }
 				var filteredResults = items.Intersect(FiltersViewModel.PermanentFilter.GetAllResults(StaticHelpers.LocalDatabase, GetAll, GetAllWithKeyIn));
 				AllResults = _ordering(filteredResults).ToArray();
 				var firstPage = AllResults.Take(PageSize).ToArray();
@@ -330,67 +334,71 @@ public void ShowForCharacter(CharacterItem character)
 
 		public void ShowSuggested()
 		{
-			_ordering = lvn => lvn.OrderByDescending(i => GetSuggestion(i));
-			_orderingByRating = false;
-			var cf = new CustomFilter("Suggested");
+			_ordering = lvn => lvn.OrderByDescending(i => GetSuggestion(i)); 
+            OrderingType = TitleOrderingType.Normal;
+            var cf = new CustomFilter("Suggested");
 			cf.AndFilters.Add(new GeneralFilter(GeneralFilterType.SuggestionScore, ">0"));
 			SelectedFilter = cf;
 		}
 
 		public async Task SortBySuggestion()
 		{
 			_ordering = items => items.OrderByDescending(i => GetSuggestion(i));
-			_orderingByRating = false;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
 		public async Task SortByRating()
 		{
 			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i)?.Rating ?? 0d).ThenByDescending(i => GetVisualNovel(i)?.ReleaseDate ?? DateTime.MinValue);
-			_orderingByRating = true;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Rating;
+            await RefreshTiles();
 		}
 
 		public async Task SortByMyScore()
 		{
 			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i)?.UserVN?.Vote ?? 0);
-			_orderingByRating = false;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
-		public async Task SortByReleaseDate()
+		public async Task SortByReleaseDate(bool primary)
 		{
-			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i).ReleaseDate);
-			_orderingByRating = false;
+			_ordering = items => items.OrderByDescending(i =>
+            {
+                var vn = GetVisualNovel(i);
+                    return primary ? vn.ReleaseDate : vn.ReleaseDateSecondary;
+            });
+            OrderingType = primary ? TitleOrderingType.Normal : TitleOrderingType.SecondaryDate;
 			await RefreshTiles();
 		}
 
 		public async Task SortByName()
 		{
 			_ordering = items => items.OrderBy(i => GetName(i)).ThenByDescending(i => GetVisualNovel(i).ReleaseDate);
-			_orderingByRating = false;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
 		public async Task SortByUserAdded()
 		{
 			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i)?.UserVN?.Added);
-			_orderingByRating = true;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
 		public async Task SortByUserModified()
 		{
 			_ordering = items => items.OrderByDescending(i => GetVisualNovel(i)?.UserVN?.LastModified);
-			_orderingByRating = true;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
 		public async Task SortByID()
 		{
 			_ordering = items => items.OrderByDescending(i => i.Key);
-			_orderingByRating = false;
-			await RefreshTiles();
+            OrderingType = TitleOrderingType.Normal;
+            await RefreshTiles();
 		}
 
 		public void ShowAll()
@@ -437,5 +445,5 @@ private int[] GetRelatedTitles(IDataItem<int> item)
 			if (vn == null) return Array.Empty<int>();
 			return vn.GetAllRelations()?.Select(i => i.ID).Concat(new [] {vn.VNID}).Distinct().ToArray() ?? Array.Empty<int>();
 		}
-	}
+    }
 }

Happy Reader/ViewModel/InformationViewModel.cs

@@ -17,7 +17,10 @@ namespace Happy_Reader.ViewModel
     public class InformationViewModel : INotifyPropertyChanged
     {
         public event PropertyChangedEventHandler PropertyChanged;
-        private DateTime OldTranslationsTime = DateTime.UtcNow.AddMonths(-2);
+        /// <summary>
+        /// Currently hard coded to 2 months.
+        /// </summary>
+        private readonly DateTime _oldTranslationsTime = DateTime.UtcNow.AddMonths(-2);
 
         public string About { get; } = $"{StaticHelpers.ClientName} {StaticHelpers.ClientVersion}";
         public string DatabaseDate { get; private set; }
@@ -137,7 +140,7 @@ private void SetUserDatabaseData(HappyReaderDatabase userGameData)
         {
             UserDatabaseSize = $"User Database Size: {GetFileSizeStringForDb(userGameData.Connection)}";
             var cachedTranslations = userGameData.Translations.Count();
-            var cachedTranslationsOld = userGameData.Translations.Count(t => t.Timestamp < OldTranslationsTime);
+            var cachedTranslationsOld = userGameData.Translations.Count(t => t.Timestamp < _oldTranslationsTime);
             TranslationsData = $"Cached Translations: {cachedTranslations}, 2+ Months Old: {cachedTranslationsOld}";
             var mostUsedTranslation = userGameData.Translations.OrderByDescending(t => t.Count).FirstOrDefault();
             if (mostUsedTranslation != null) TranslationsData += $", Most Used: {mostUsedTranslation.Input}>{mostUsedTranslation.Output} ({mostUsedTranslation.Count} times)";
@@ -218,7 +221,7 @@ private static bool HasPlayed(ListedVN userGameVN, out double ratio)
         public void DeletedCachedTranslations(bool deleteAll)
         {
             if (deleteAll) UserDatabase.DeleteAllCachedTranslations();
-            else UserDatabase.DeleteCachedTranslationsOlderThan(OldTranslationsTime);
+            else UserDatabase.DeleteCachedTranslationsOlderThan(_oldTranslationsTime);
             SetUserDatabaseData(UserDatabase);
             OnPropertyChanged(null);
         }

Happy Reader/ViewModel/TitleOrderingType.cs

@@ -0,0 +1,8 @@
+namespace Happy_Reader.ViewModel;
+
+public enum TitleOrderingType
+{
+    Normal,
+    Rating,
+    SecondaryDate
+}

HappySearchObjectClasses/CoreSettings.cs

@@ -12,11 +12,12 @@ public class CoreSettings : SettingsJsonFile
 		private bool _clearOldDumpsAndBackups = true;
 		private string _imageFolderPath = Path.Combine(StaticHelpers.StoredDataFolder, "vndb-img\\");
 		private ImageSyncMode _imageSync = ImageSyncMode.None;
+        private string _secondaryTitleLanguage = "en";
 
-		/// <summary>
-		/// Username of user.
-		/// </summary>
-		public string Username
+        /// <summary>
+        /// Username of user.
+        /// </summary>
+        public string Username
 		{
 			get => _username;
 			set
@@ -95,10 +96,21 @@ public ImageSyncMode SyncImages
 				_imageSync = value;
 				if (Loaded) Save();
 			}
-		}
+        }
 
-		//todo make editable
-		public List<int> AlertTagIDs { get; set;  } = new();
+        public string SecondaryTitleLanguage
+        {
+            get => _secondaryTitleLanguage;
+            set
+            {
+                if (_secondaryTitleLanguage == value) return;
+                _secondaryTitleLanguage = value;
+                if (Loaded) Save();
+            }
+        }
+
+        //todo make editable
+        public List<int> AlertTagIDs { get; set;  } = new();
 
 		//todo make editable
 		public List<int> AlertTraitIDs { get; set; } = new();

HappySearchObjectClasses/Database/ListedVN.cs

@@ -123,7 +123,8 @@ public ListedProducer Producer
 
     public UserVN UserVN => StaticHelpers.LocalDatabase.UserVisualNovels[(StaticHelpers.CSettings.UserID, VNID)];
 
-    public DateTime ReleaseDate { get; set; }
+    public DateTime ReleaseDate { get; private set; }
+    public DateTime ReleaseDateSecondary { get; private set; }
 
     public IEnumerable<DbTag> Tags => StaticHelpers.LocalDatabase.Tags[VNID];
 
@@ -434,13 +435,30 @@ void IDataItem<int>.LoadFromReader(IDataRecord reader)
             ReleaseLink = Convert.ToString(reader["ReleaseLink"]);
             Suggestion = new SuggestionScoreObject(StaticHelpers.GetNullableDouble(reader["TagScore"]), StaticHelpers.GetNullableDouble(reader["TraitScore"]));
             NewSinceUpdate = Convert.ToInt32(reader["NewSinceUpdate"]) == 1;
+            ReleaseDateSecondary = GetLatestDate(LanguagesObject.All);
         }
         catch (Exception ex)
         {
             StaticHelpers.Logger.ToFile(ex);
             throw;
         }
     }
+
+    private DateTime GetLatestDate(IEnumerable<LangRelease> languages)
+    {
+        var alreadyReleased = languages.OrderBy(release=> release.ReleaseDate)
+            .LastOrDefault(release => release.ReleaseDate <= DateTime.UtcNow && release.Lang == StaticHelpers.CSettings.SecondaryTitleLanguage);
+        if (alreadyReleased != null)
+        {
+            return alreadyReleased.ReleaseDate;
+        }
+        return languages.OrderBy(release => release.ReleaseDate)
+            .FirstOrDefault(release => release.Lang == StaticHelpers.CSettings.SecondaryTitleLanguage)?
+            .ReleaseDate ?? DateTime.MaxValue;
+
+
+    }
+
     #endregion
 }