Initial split of the modules

NadekoBot.Core/Services/Impl/Ytdl.cs

@@ -0,0 +1,46 @@
+using NLog;
+using System;
+using System.Diagnostics;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Services.Impl
+{
+    public class YtdlOperation : IDisposable
+    {
+        private readonly Logger _log;
+
+        public YtdlOperation()
+        {
+            _log = LogManager.GetCurrentClassLogger();
+        }
+
+        public async Task<string> GetDataAsync(string url)
+        {
+            using (Process process = new Process()
+            {
+                StartInfo = new ProcessStartInfo()
+                {
+                    FileName = "youtube-dl",
+                    Arguments = $"-f bestaudio -e --get-url --get-id --get-thumbnail --get-duration --no-check-certificate --default-search \"ytsearch:\" \"{url}\"",
+                    UseShellExecute = false,
+                    RedirectStandardError = true,
+                    RedirectStandardOutput = true,
+                    CreateNoWindow = true,
+                },
+            })
+            {
+                process.Start();
+                var str = await process.StandardOutput.ReadToEndAsync();
+                var err = await process.StandardError.ReadToEndAsync();
+                if(!string.IsNullOrEmpty(err))
+                    _log.Warn(err);
+                return str;
+            }
+        }
+
+        public void Dispose()
+        {
+
+        }
+    }
+}