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);
+        }
+    }
+}