From 32d3610b074f396656b69079ae6c4aee92ca34a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Marchal?= <me@theomarchal.com>
Date: Sun, 3 Oct 2021 13:54:54 +0200
Subject: [PATCH] Progress on radio implementation

---
 Handlers/MPDHandler.cs   |   9 +-
 Views/MainWindow.xaml.cs |   7 +-
 Views/Radios.xaml        |  69 ++++++++++++--
 Views/Radios.xaml.cs     | 188 +++++++++++++++++++++++++++++----------
 4 files changed, 215 insertions(+), 58 deletions(-)

diff --git a/Handlers/MPDHandler.cs b/Handlers/MPDHandler.cs
index bbb4dd2..3203c4e 100644
--- a/Handlers/MPDHandler.cs
+++ b/Handlers/MPDHandler.cs
@@ -364,7 +364,14 @@ namespace unison
             else
             {
                 using MemoryStream stream = new MemoryStream(data.ToArray());
-                _cover = BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+                try
+                {
+                    _cover = BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+                }
+                catch (System.NotSupportedException e)
+                {
+                    _cover = null;
+                }
             }
             UpdateCover();
         }
diff --git a/Views/MainWindow.xaml.cs b/Views/MainWindow.xaml.cs
index cc3d829..e9004fe 100644
--- a/Views/MainWindow.xaml.cs
+++ b/Views/MainWindow.xaml.cs
@@ -70,11 +70,12 @@ namespace unison
                 SongTitle.Text = _mpd.GetCurrentSong().Title;
             else if (_mpd.GetCurrentSong().HasName && _mpd.GetCurrentSong().Name.Length > 0)
                 SongTitle.Text = _mpd.GetCurrentSong().Name;
-            else
+            else if (_mpd.GetCurrentSong().Path != null)
             {
                 int start = _mpd.GetCurrentSong().Path.LastIndexOf("/") + 1;
                 int end = _mpd.GetCurrentSong().Path.LastIndexOf(".");
-                SongTitle.Text = _mpd.GetCurrentSong().Path.Substring(start, end - start);
+                if (start > 0 && end > 0 && end > start)
+                    SongTitle.Text = _mpd.GetCurrentSong().Path.Substring(start, end - start);
             }
 
             SongTitle.ToolTip = _mpd.GetCurrentSong().Path;
@@ -216,7 +217,7 @@ namespace unison
             snapcast.LaunchOrExit();
         }
 
-        public async void Radios_Clicked(object sender, RoutedEventArgs e)
+        public void Radios_Clicked(object sender, RoutedEventArgs e)
         {
             _radiosWin.Show();
             _radiosWin.Activate();
diff --git a/Views/Radios.xaml b/Views/Radios.xaml
index 2674f40..aed7557 100644
--- a/Views/Radios.xaml
+++ b/Views/Radios.xaml
@@ -3,20 +3,77 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:emoji="clr-namespace:Emoji.Wpf;assembly=Emoji.Wpf"
         xmlns:local="clr-namespace:unison"
         mc:Ignorable="d"
-        Title="Radios" Closing="Window_Closing" SizeToContent="WidthAndHeight">
+        Title="Radios" Closing="Window_Closing" SizeToContent="WidthAndHeight" ResizeMode="NoResize">
+    
     <Grid>
         <StackPanel HorizontalAlignment="Left" Orientation="Vertical">
 
+            <GroupBox DockPanel.Dock="Top" Padding="0,4,0,0" Margin="5,0,5,0">
+                <GroupBox.Header>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock>
+                            <emoji:EmojiInline Text="📻"/>
+                            <Run Text="Search station"/>
+                        </TextBlock>
+                    </StackPanel>
+                </GroupBox.Header>
+                <Grid VerticalAlignment="Top">
+                    <StackPanel>
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Stretch">
+                            <StackPanel HorizontalAlignment="Stretch">
+                                <TextBlock Text="Name"  HorizontalAlignment="Stretch" VerticalAlignment="Bottom" Margin="5,0,0,0" />
+                                <TextBox x:Name="NameSearch" KeyDown="SearchHandler" Text="" TextWrapping="Wrap" HorizontalAlignment="Left" Width="200" Margin="5,6,0,0"/>
+                            </StackPanel>
 
-            <StackPanel Orientation="Horizontal" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="5,5,0,0">
-                <TextBox x:Name="SearchBar" Text="fip" TextWrapping="Wrap" HorizontalAlignment="Left" Width="200"/>
-                <Button Content="Search" Click="Search_Clicked" Margin="5,0,0,0"/>
-            </StackPanel>
+                            <StackPanel HorizontalAlignment="Stretch" Margin="20,0,0,0">
+                                <TextBlock Text="Tags"  HorizontalAlignment="Stretch" VerticalAlignment="Bottom" />
+                                <TextBox x:Name="TagSearch" KeyDown="SearchHandler" Text="" TextWrapping="Wrap" HorizontalAlignment="Left" Width="300" Margin="0,6,0,0"/>
+                            </StackPanel>
 
+                            <StackPanel HorizontalAlignment="Stretch" Margin="20,0,0,0">
+                                <TextBlock Text="Country" HorizontalAlignment="Stretch" VerticalAlignment="Bottom" />
+                                <ComboBox x:Name="CountryList" SelectedIndex="0" KeyDown="SearchHandler" Width="240" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="0,2,0,0" ScrollViewer.CanContentScroll="False"/>
+                            </StackPanel>
+                        </StackPanel>
+
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="5,7.5,0,0">
+                            <Button Content="Search" Click="Search_Clicked"/>
+                            <Button Content="Reset" Click="Reset_Clicked" Margin="10,0,0,0"/>
+                            <TextBlock x:Name="SearchStatus" Text="" Margin="15,1,0,0" FontStyle="Italic" />
+                        </StackPanel>
+                    </StackPanel>
+                </Grid>
+            </GroupBox>
+
+            <Grid Margin="5,10,5,5" MaxHeight="600" MinWidth="800" MaxWidth="800">
+                <Grid.Resources>
+                    <DataTemplate x:Key="CountryTemplate">
+                        <emoji:TextBlock TextAlignment="Center" Text="{Binding Country}"/>
+                    </DataTemplate>
+                </Grid.Resources>
+                <DataGrid Name="RadioListGrid" CanUserAddRows="False" CanUserDeleteRows="False"
+                          IsReadOnly="True" MouseDoubleClick="Row_DoubleClick" SelectionMode="Single" CanUserReorderColumns="False"
+                          HeadersVisibility="Column" GridLinesVisibility="None" AutoGenerateColumns="False" CanUserResizeRows="False"
+                          >
+                    <DataGrid.Columns>
+                        <DataGridTemplateColumn Header="🏳️" CellTemplate="{StaticResource CountryTemplate}" MinWidth="25" />
+                        <DataGridTextColumn Header="Name" Binding="{Binding Name}" MinWidth="50"/>
+                        <DataGridTextColumn Header="Codec" Binding="{Binding Codec}" MinWidth="47"/>
+                        <DataGridTextColumn Header="Bitrate" Binding="{Binding Bitrate}" MinWidth="47"/>
+                        <DataGridTextColumn Header="Tags" Binding="{Binding Tags}" MinWidth="50"/>
+                    </DataGrid.Columns>
+                    <DataGrid.CellStyle>
+                        <Style TargetType="DataGridCell">
+                            <Setter Property="BorderThickness" Value="0"/>
+                            <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+                        </Style>
+                    </DataGrid.CellStyle>
+                </DataGrid>
+            </Grid>
 
-            <ListView x:Name="lvDataBinding" SelectionChanged="SelectionChanged" Width="400" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="5,10,5,5"/>
         </StackPanel>
     </Grid>
 </Window>
diff --git a/Views/Radios.xaml.cs b/Views/Radios.xaml.cs
index 4cd42da..62657d5 100644
--- a/Views/Radios.xaml.cs
+++ b/Views/Radios.xaml.cs
@@ -1,6 +1,5 @@
 using RadioBrowser;
 using RadioBrowser.Models;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
@@ -9,86 +8,179 @@ using System;
 using System.ComponentModel;
 using System.Windows.Interop;
 using System.Windows.Controls;
-using System.Windows.Data;
+using System.Windows.Input;
+using System.Collections.Generic;
 
 namespace unison
 {
-    public class StationView : StationInfo
+    public class CountryListItem
     {
-        public StationView(string _name, Uri _url, int _bitrate, string _codec, string _country, Uri _favicon)
-        {
-            Name = _name;
-            Url = _url;
-            Bitrate = _bitrate;
-            Codec = _codec;
-            CountryCode = _country;
-            Favicon = _favicon;
-        }
+        public uint Count { get; set; }        
+        public string Name { get; set; }
 
         public override string ToString()
         {
-            return $"{this.Name} - {this.Bitrate} - {this.Codec} - {this.CountryCode}";
+            if (Name == "")
+                return "None";
+            return $"{Name} ({Count})";
+        }
+    }
+
+    public class StationListItem
+    {
+        public string Name { get; set; }
+        public string Codec { get; set; }
+        public string Tags { get; set; }
+        public Uri Url { get; set; }
+
+        private string _country;
+        public string Country
+        {
+            get
+            {
+                if (_country.Length == 0)
+                    return "🏴‍☠️";
+                return string.Concat(_country.ToUpper().Select(x => char.ConvertFromUtf32(x + 0x1F1A5))); // return emoji
+            }
+            set
+            {
+                _country = value;
+            }
+        }
+
+        private string _bitrate;
+        public string Bitrate
+        {
+            get
+            {
+                if (_bitrate == "0")
+                    return "—";
+                return _bitrate.ToString();
+            }
+            set
+            {
+                _bitrate = value;
+            }
         }
     }
 
     public partial class Radios : Window
     {
-        RadioBrowserClient _radioBrowser;
-        List<StationView> _stations = new List<StationView>();
-
+        private RadioBrowserClient _radioBrowser;
         private MPDHandler _mpd;
 
         public Radios()
         {
             InitializeComponent();
+
             _radioBrowser = new RadioBrowserClient();
+            Initialize();
         }
 
-        public async Task Search(string name)
+        public async void Initialize()
         {
-            var searchByName = await _radioBrowser.Search.ByNameAsync(name);
-            Debug.WriteLine(searchByName.FirstOrDefault()?.Name);
-            Debug.WriteLine("");
-        }
-    
-        public async Task SearchAdvanced(string name)
-        {
-            Debug.Write(name);
-
-            _stations.Clear();
-            var advancedSearch = await _radioBrowser.Search.AdvancedAsync(new AdvancedSearchOptions
+            List<NameAndCount> Countries = await _radioBrowser.Lists.GetCountriesAsync();
+            CountryList.Items.Add(new CountryListItem { Name = "", Count = 0 });
+            
+            foreach (NameAndCount Country in Countries)
             {
-                Name = name
-            });
-            foreach (var station in advancedSearch)
-                _stations.Add(new StationView(station.Name, station.Url, station.Bitrate, station.Codec, station.CountryCode, station.Favicon));
-            lvDataBinding.ItemsSource = _stations;
-            ICollectionView view = CollectionViewSource.GetDefaultView(_stations);
-            view.Refresh();
-
-            Debug.WriteLine(_stations[0].Url.AbsoluteUri);
+                CountryList.Items.Add(new CountryListItem
+                {
+                    Name = Country.Name,
+                    Count = Country.Stationcount
+                });
+            }
         }
 
-        private void SelectionChanged(object sender, SelectionChangedEventArgs e)
+        private string CleanString(string str)
         {
-            Debug.WriteLine("Selected: {0}", e.AddedItems[0]);
+            return str.Replace("\r\n", "").Replace("\n", "").Replace("\r", "");
+        }
+
+        public async Task SearchAdvanced(string name, string country, string tags)
+        {
+            SearchStatus.Text = "Loading stations...";
+
+            List<StationInfo> advancedSearch = await _radioBrowser.Search.AdvancedAsync(new AdvancedSearchOptions
+            {
+                Name = name,
+                Country = country,
+                TagList = tags
+            });
+
+            RadioListGrid.Items.Clear();
+            if (advancedSearch.Count > 0)
+            {
+                SearchStatus.Text = "";
+                foreach (StationInfo station in advancedSearch)
+                {
+                    RadioListGrid.Items.Add(new StationListItem
+                    {
+                        Name = CleanString(station.Name),
+                        Country = station.CountryCode,
+                        Codec = station.Codec,
+                        Bitrate = station.Bitrate.ToString(),
+                        Url = station.Url,
+                        Tags = string.Join(", ", station.Tags)
+                    });
+                }
+                FitToContent();
+            }
+            else
+                SearchStatus.Text = "No stations found!";
+        }
+
+        private void FitToContent()
+        {
+            foreach (DataGridColumn column in RadioListGrid.Columns)
+                column.Width = new DataGridLength(1.0, DataGridLengthUnitType.SizeToCells);
+        }
+
+        private void Row_DoubleClick(object sender, MouseButtonEventArgs e)
+        {
+            DataGrid grid = sender as DataGrid;
+            StationListItem station;
+            try
+            {
+                station = grid.Items[grid.SelectedIndex] as StationListItem;
+            }
+            catch (System.ArgumentOutOfRangeException)
+            {
+                Debug.WriteLine("Error: Invalid index.");
+                return;
+            }
+
+            if (station.Url == null)
+            {
+                Debug.WriteLine("Error: Invalid station.");
+                return;
+            }
 
             _mpd = (MPDHandler)Application.Current.Properties["mpd"];
             _mpd.ClearQueue();
-
-            StationView station = (StationView)e.AddedItems[0];
             _mpd.AddSong(station.Url.AbsoluteUri);
             _mpd.PlayCommand();
         }
 
-        public List<StationView> GetStations()
-        {
-            return _stations;
-        }
-
         private async void Search_Clicked(object sender, RoutedEventArgs e)
         {
-            await SearchAdvanced(SearchBar.Text);
+            CountryListItem a = (CountryListItem)CountryList.SelectedItem;
+            await SearchAdvanced(NameSearch.Text, a?.Name, TagSearch.Text);
+        }
+
+        private void Reset_Clicked(object sender, RoutedEventArgs e)
+        {
+            NameSearch.Text = "";
+            TagSearch.Text = "";
+            CountryList.SelectedIndex = 0;
+        }
+
+        private void SearchHandler(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Return)
+            {
+                Search_Clicked(null, null);
+            }
         }
 
         private void Window_Closing(object sender, CancelEventArgs e)
@@ -104,4 +196,4 @@ namespace unison
             helper.EnsureHandle();
         }
     }
-}
+}
\ No newline at end of file