Fix play command search result selection.

src/main/java/moe/nekojimi/chords/commands/PlayCommand.java

@@ -35,7 +35,7 @@ public class PlayCommand extends Command
     private static final double SEARCH_SCORE_THRESHOLD_DISPLAY = 0.6;
     private static final double SEARCH_SCORE_THRESHOLD_AUTOPLAY = 9999; // disable autoplay it sucks
 
-//    private List<Result> lastSearchResults;
+    private List<Result> lastSearchResults;
 
     public PlayCommand(Chords main)
     {
@@ -56,15 +56,15 @@ public class PlayCommand extends Command
         } catch (MalformedURLException mux)
         {
             // not a URL, try parsing it as a search result
-            if (request.getSearchResults() != null && !request.getSearchResults().isEmpty())
+            if (lastSearchResults != null && !lastSearchResults.isEmpty())
             {
                 try
                 {
                     int index = Integer.parseInt(invocation.getArgs().get(0));
-                    int size = request.getSearchResults().size();
+                    int size = lastSearchResults.size();
                     if (index >= 1 && index <= size)
                     {
-                        Result result = request.getSearchResults().get(index - 1);
+                        Result result = lastSearchResults.get(index - 1);
                         request.setResult(result);
                         bot.queueDownload(request);
 //                        event.getChannel().sendMessage("Track removed.").queue();
@@ -91,8 +91,7 @@ public class PlayCommand extends Command
                     return;
                 }
 
-                request.setSearchResults(results);
-//                lastSearchResults = results;
+                lastSearchResults = results;
 
                 if (results.isEmpty())
                 {
@@ -130,4 +129,9 @@ public class PlayCommand extends Command
         }
     }
 
+    @Override
+    public String argumentDescription()
+    {
+        return "<URL / Search>";
+    }
 }