Fix radio architecture

Handlers/RadioHandler.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using RadioBrowser;
+using RadioBrowser.Models;
+
+namespace unison.Handlers
+{
+    public class CountryListItem
+    {
+        public uint Count { get; set; }
+        public string Name { get; set; }
+
+        public override string ToString()
+        {
+            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 int Bitrate { 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;
+            }
+        }
+    }
+
+    internal class RadioHandler
+    {
+        private readonly RadioBrowserClient _radioBrowser;
+        private readonly bool _connected = true;
+
+        public bool IsConnected() => _connected;
+
+
+        public RadioHandler()
+        {
+            try
+            {
+                _radioBrowser = new RadioBrowserClient();
+            }
+            catch (Exception e)
+            {
+                Trace.WriteLine("Exception while connecting to RadioBrowser: " + e.Message);
+                return;
+            }
+
+            _connected = true;
+        }
+
+        public async Task<List<NameAndCount>> GetCountries()
+        {
+            return await _radioBrowser.Lists.GetCountriesAsync();
+        }
+
+        public async Task<List<StationInfo>> AdvancedSearch(AdvancedSearchOptions options)
+        {
+
+            return await _radioBrowser.Search.AdvancedAsync(options);
+        }
+    }
+}

Views/MainWindow.xaml.cs

@@ -6,6 +6,7 @@ using System.Windows.Threading;
 using System.Windows.Interop;
 using System.Windows.Input;
 using System.Windows.Controls.Primitives;
+using unison.Handlers;
 
 namespace unison
 {

Views/Radios.xaml

@@ -37,7 +37,7 @@
                         </StackPanel>
 
                         <StackPanel Orientation="Horizontal" Margin="0,10,0,0">
-                            <Button Content="{x:Static properties:Resources.Radio_Search}" Click="Search_Clicked" Padding="5, 2"/>
+                            <Button x:Name="SearchButton" Content="{x:Static properties:Resources.Radio_Search}" Click="Search_Clicked" Padding="5, 2"/>
                             <Button Content="{x:Static properties:Resources.Radio_Reset}" Click="Reset_Clicked" Margin="10,0,0,0" Padding="5, 2"/>
                             <TextBlock x:Name="SearchStatus" Margin="15,1,0,0" FontStyle="Italic" />
                         </StackPanel>

Views/Radios.xaml.cs

@@ -1,7 +1,4 @@
-using RadioBrowser;
+using System.Diagnostics;
-using RadioBrowser.Models;
-using System.Diagnostics;
-using System.Linq;
 using System.Threading.Tasks;
 using System.Windows;
 using System;
@@ -10,79 +7,36 @@ using System.Windows.Interop;
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Collections.Generic;
+using unison.Handlers;
+using RadioBrowser.Models;
 
 namespace unison
 {
-    public class CountryListItem
-    {
-        public uint Count { get; set; }
-        public string Name { get; set; }
-
-        public override string ToString()
-        {
-            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 int Bitrate { 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;
-            }
-        }
-    }
-
     public partial class Radios : Window
     {
-        private RadioBrowserClient _radioBrowser;
         private MPDHandler _mpd;
-        private bool _connected = true;
+        RadioHandler _radio;
 
-        public bool IsConnected() => _connected;
+        public bool IsConnected() => _radio.IsConnected();
 
         public Radios()
         {
             InitializeComponent();
-
-            try
-            {
-                _radioBrowser = new RadioBrowserClient();
             Initialize();
         }
-            catch (Exception e)
-            {
-                Debug.WriteLine("Exception while connecting to RadioBrowser: " + e.Message);
-                return;
-            }
-
-            _connected = true;
-        }
 
         public async void Initialize()
         {
+            _radio = new RadioHandler();
+
+            if (!_radio.IsConnected())
+                SearchButton.IsEnabled = false;
+
             try
             {
-                List<NameAndCount> Countries = await _radioBrowser.Lists.GetCountriesAsync();
                 CountryList.Items.Add(new CountryListItem { Name = "", Count = 0 });
 
+                List<NameAndCount> Countries = await _radio.GetCountries();
                 foreach (NameAndCount Country in Countries)
                 {
                     CountryList.Items.Add(new CountryListItem
@@ -94,28 +48,50 @@ namespace unison
             }
             catch (Exception e)
             {
-                Debug.WriteLine("Exception while getting countries in RadioBrowser: " + e.Message);
+                Trace.WriteLine("Exception while getting countries in RadioBrowser: " + e.Message);
                 return;
             }
         }
 
-        private string CleanString(string str)
+        private static string CleanString(string str)
         {
             return str.Replace("\r\n", "").Replace("\n", "").Replace("\r", "");
         }
 
+        private void SearchHandler(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Return)
+                Search_Clicked(null, null);
+        }
+
+        private async void Search_Clicked(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                CountryListItem a = (CountryListItem)CountryList.SelectedItem;
+                await SearchAdvanced(NameSearch.Text, a?.Name, TagSearch.Text);
+            }
+            catch (Exception except)
+            {
+                Trace.WriteLine("Error on RadioBrowser search: " + except.Message);
+            }
+        }
+
         public async Task SearchAdvanced(string name, string country, string tags)
         {
             try
             {
                 SearchStatus.Text = unison.Resources.Resources.Radio_Loading;
 
-                List<StationInfo> advancedSearch = await _radioBrowser.Search.AdvancedAsync(new AdvancedSearchOptions
+                List<StationInfo> advancedSearch = await Task.Run(async () =>
+                {
+                    return await _radio.AdvancedSearch(new AdvancedSearchOptions
                     {
                         Name = name,
                         Country = country,
                         TagList = tags
                     });
+                });
 
                 RadioListGrid.Items.Clear();
                 if (advancedSearch.Count > 0)
@@ -140,7 +116,7 @@ namespace unison
             }
             catch (Exception except)
             {
-                Debug.WriteLine("Error on RadioBrowser search advanced: " + except.Message);
+                Trace.WriteLine("Error on RadioBrowser search advanced: " + except.Message);
             }
         }
 
@@ -160,13 +136,13 @@ namespace unison
             }
             catch (ArgumentOutOfRangeException)
             {
-                Debug.WriteLine("Error: Invalid index.");
+                Trace.WriteLine("Error: Invalid index.");
                 return;
             }
 
             if (station.Url == null)
             {
-                Debug.WriteLine("Error: Invalid station.");
+                Trace.WriteLine("Error: Invalid station.");
                 return;
             }
 
@@ -174,19 +150,6 @@ namespace unison
             _mpd.ClearAddAndPlay(station.Url.AbsoluteUri);
         }
 
-        private async void Search_Clicked(object sender, RoutedEventArgs e)
-        {
-            try
-            {
-                CountryListItem a = (CountryListItem)CountryList.SelectedItem;
-                await SearchAdvanced(NameSearch.Text, a?.Name, TagSearch.Text);
-            }
-            catch (Exception except)
-            {
-                Debug.WriteLine("Error on RadioBrowser search: " + except.Message);
-            }
-        }
-
         private void Reset_Clicked(object sender, RoutedEventArgs e)
         {
             NameSearch.Text = "";
@@ -194,12 +157,6 @@ namespace unison
             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)
         {
             e.Cancel = true;