🌐 Add i18n and let View handle formatting

AMC.View/App.xaml.cs

@@ -1,4 +1,6 @@
-namespace AMC.View;
+using System.Globalization;
+
+namespace AMC.View;
 
 public partial class App : Application
 {
@@ -8,4 +10,14 @@ public partial class App : Application
 
         MainPage = new AppShell();
     }
+
+    protected override void OnStart()
+    {
+        base.OnStart();
+        // Uncomment to set the culture to French
+
+        // CultureInfo.CurrentCulture = new CultureInfo("fr-FR");
+        // CultureInfo.CurrentUICulture = new CultureInfo("fr-FR");
+
+    }
 }

AMC.View/Converters/AlbumDetailsConverter.cs

@@ -0,0 +1,22 @@
+using System.Globalization;
+
+namespace AMC.View.Converters
+{
+    public class AlbumDetailsConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var (genre, year) = (ValueTuple<string, int>)value;
+            return string.Format(
+                "{0} · {1}",
+                genre,
+                year
+                );
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

AMC.View/Converters/CopyrightInfoConverter.cs

@@ -0,0 +1,22 @@
+using System.Globalization;
+
+namespace AMC.View.Converters
+{
+    public class CopyrightInfoConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var (copyrightYear, producerBlurb) = (ValueTuple<int, string>)value;
+            return string.Format(
+                "℗ {0} {1}",
+                copyrightYear,
+                producerBlurb
+                );
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

AMC.View/Converters/SongsInfoConverter.cs

@@ -0,0 +1,27 @@
+using AMC.View.Resources.Strings;
+using System.Globalization;
+
+namespace AMC.View.Converters
+{
+    public class SongsInfoConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var (songCount, totalDuration) = (ValueTuple<int, int>)value;
+            var songLabel = songCount == 1 ? Strings.SongsLabelSingular : Strings.SongsLabelPlural;
+            var minutesLabel = totalDuration == 1 ? Strings.MinutesLabelSingular : Strings.MinutesLabelPlural;
+            return string.Format(
+                "{0} {1}, {2} {3}",
+                songCount,
+                songLabel,
+                totalDuration,
+                minutesLabel
+            );
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

AMC.View/Resources/Strings/Strings.Designer.cs

@@ -60,6 +60,33 @@ namespace AMC.View.Resources.Strings {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Library.
+        /// </summary>
+        public static string LibraryTitle {
+            get {
+                return ResourceManager.GetString("LibraryTitle", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to minutes.
+        /// </summary>
+        public static string MinutesLabelPlural {
+            get {
+                return ResourceManager.GetString("MinutesLabelPlural", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to minute.
+        /// </summary>
+        public static string MinutesLabelSingular {
+            get {
+                return ResourceManager.GetString("MinutesLabelSingular", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Play.
         /// </summary>
@@ -77,5 +104,23 @@ namespace AMC.View.Resources.Strings {
                 return ResourceManager.GetString("ShuffleButton", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to songs.
+        /// </summary>
+        public static string SongsLabelPlural {
+            get {
+                return ResourceManager.GetString("SongsLabelPlural", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to song.
+        /// </summary>
+        public static string SongsLabelSingular {
+            get {
+                return ResourceManager.GetString("SongsLabelSingular", resourceCulture);
+            }
+        }
     }
 }

AMC.View/Resources/Strings/Strings.fr.resx

@@ -123,4 +123,19 @@
   <data name="ShuffleButton" xml:space="preserve">
     <value>Aléatoire</value>
   </data>
+  <data name="LibraryTitle" xml:space="preserve">
+    <value>Bibliothèque</value>
+  </data>
+  <data name="SongsLabelPlural" xml:space="preserve">
+    <value>morceaux</value>
+  </data>
+  <data name="MinutesLabelPlural" xml:space="preserve">
+    <value>minutes</value>
+  </data>
+  <data name="SongsLabelSingular" xml:space="preserve">
+    <value>morceau</value>
+  </data>
+  <data name="MinutesLabelSingular" xml:space="preserve">
+    <value>minute</value>
+  </data>
 </root>

AMC.View/Resources/Strings/Strings.resx

@@ -123,4 +123,19 @@
   <data name="ShuffleButton" xml:space="preserve">
     <value>Shuffle</value>
   </data>
+  <data name="LibraryTitle" xml:space="preserve">
+    <value>Library</value>
+  </data>
+  <data name="SongsLabelPlural" xml:space="preserve">
+    <value>songs</value>
+  </data>
+  <data name="MinutesLabelPlural" xml:space="preserve">
+    <value>minutes</value>
+  </data>
+  <data name="SongsLabelSingular" xml:space="preserve">
+    <value>song</value>
+  </data>
+  <data name="MinutesLabelSingular" xml:space="preserve">
+    <value>minute</value>
+  </data>
 </root>

AMC.View/Views/AlbumPage.xaml

@@ -3,9 +3,18 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:local="clr-namespace:AMC.View"
              xmlns:strings="clr-namespace:AMC.View.Resources.Strings"
+             xmlns:conv="clr-namespace:AMC.View.Converters"
              xmlns:vm="clr-namespace:AMC.ViewModel.ViewModels;assembly=AMC.ViewModel"
              x:Class="AMC.View.Views.AlbumPage"
              x:DataType="vm:AlbumViewModel">
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <conv:SongsInfoConverter x:Key="SongsInfo" />
+            <conv:CopyrightInfoConverter x:Key="CopyrightInfo" />
+            <conv:AlbumDetailsConverter x:Key="AlbumDetails" />
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
 
     <ScrollView BackgroundColor="{AppThemeBinding Light={StaticResource Background}, Dark={StaticResource BackgroundDark}}">
         <Grid Margin="10">
@@ -41,7 +50,7 @@
             </StackLayout>
 
             <StackLayout Grid.Row="2">
-                <Label Text="{Binding Details}" 
+                <Label Text="{Binding Details, Converter={StaticResource AlbumDetails}}" 
                        FontSize="12" 
                        TextColor="{StaticResource Gray}" 
                        HorizontalTextAlignment="Center"/>
@@ -115,15 +124,15 @@
                 </CollectionView.ItemTemplate>
             </CollectionView>
 
-            <Label Text="{Binding ReleaseDate}"
+            <Label Text="{Binding ReleaseDate, StringFormat='{0:d MMMM yyyy}'}"
                    Style="{StaticResource FooterLabel}"
                    Grid.Row="5" />
 
-            <Label Text="{Binding SongsInfo}"
+            <Label Text="{Binding SongsInfo,  Converter={StaticResource SongsInfo}}"
                    Style="{StaticResource FooterLabel}"
                    Grid.Row="6" />
 
-            <Label Text="{Binding CopyrightInfo}"
+            <Label Text="{Binding CopyrightInfo, Converter={StaticResource CopyrightInfo}}"
                    Style="{StaticResource FooterLabel}"
                    Grid.Row="7" />
         </Grid>

AMC.ViewModel/ViewModels/AlbumViewModel.cs

@@ -18,13 +18,15 @@ namespace AMC.ViewModel.ViewModels
 
         public string CoverImage => album.CoverImage;
 
-        public string Details => $"{album.Genre} · {album.Year}";
+        public (string Genre, int Year) Details => (album.Genre, album.Year);
 
-        public string ReleaseDate => album.ReleaseDate.ToString("d MMMM yyyy");
+        public DateTime ReleaseDate => album.ReleaseDate;
 
-        public string SongsInfo => $"{album.Songs.Count} songs, {album.Songs.Sum(song => song.Duration) / 60} minutes";
+        public (int SongCount, int TotalDuration) SongsInfo
+            => (album.Songs.Count, album.Songs.Sum(song => song.Duration) / 60);
 
-        public string CopyrightInfo => $"℗ {album.CopyrightYear} {album.ProducerBlurb}";
+        public (int CopyrightYear, string ProducerBlurb) CopyrightInfo
+            => (album.CopyrightYear, album.ProducerBlurb);
 
         public ReadOnlyObservableCollection<SongViewModel> Songs => new(songs);