Implement jagrosh#1556

Hopefully would result in better performance in different regions.

src/main/java/com/jagrosh/jmusicbot/BotConfig.java

@@ -40,7 +40,7 @@ public class BotConfig
 
     private Path path = null;
     private String token, prefix, altprefix, helpWord, playlistsFolder, logLevel,
-            successEmoji, warningEmoji, errorEmoji, loadingEmoji, searchingEmoji,
+            successEmoji, warningEmoji, errorEmoji, loadingEmoji, searchingEmoji, pipedURL,
             evalEngine;
     private boolean stayInChannel, songInGame, npImages, updatealerts, useEval, dbots, autoNowPlaying;
     private long owner, maxSeconds, aloneTimeUntilStop;
@@ -82,6 +82,7 @@ public void load()
             errorEmoji = config.getString("error");
             loadingEmoji = config.getString("loading");
             searchingEmoji = config.getString("searching");
+            pipedURL = config.getString("piped");
             game = OtherUtil.parseGame(config.getString("game"));
             status = OtherUtil.parseStatus(config.getString("status"));
             stayInChannel = config.getBoolean("stayinchannel");
@@ -274,6 +275,11 @@ public String getSearching()
         return searchingEmoji;
     }
 
+    public String getPiped()
+    {
+        return "NONE".equalsIgnoreCase(pipedURL) ? null : pipedURL;
+    }
+
     public Activity getGame()
     {
         return game;

src/main/java/com/jagrosh/jmusicbot/JMusicBot.java

@@ -182,6 +182,7 @@ private static CommandClient createCommandClient(BotConfig config, SettingsManag
         CommandClientBuilder cb = new CommandClientBuilder()
                 .setPrefix(config.getPrefix())
                 .setAlternativePrefix(config.getAltPrefix())
+                .setPipedURL(config.getPiped())
                 .setOwnerId(Long.toString(config.getOwnerId()))
                 .setEmojis(config.getSuccess(), config.getWarning(), config.getError())
                 .setHelpWord(config.getHelp())

src/main/java/com/jagrosh/jmusicbot/commands/dj/PlaynextCmd.java

@@ -60,6 +60,9 @@ public void doCommand(CommandEvent event)
         String args = event.getArgs().startsWith("<") && event.getArgs().endsWith(">") 
                 ? event.getArgs().substring(1,event.getArgs().length()-1) 
                 : event.getArgs().isEmpty() ? event.getMessage().getAttachments().get(0).getUrl() : event.getArgs();
+        if (args == event.getMessage().getAttachments().get(0).getUrl() && bot.getConfig().getPiped() != null && args.contains(bot.getConfig().getPiped())) {
+            args.replace(bot.getConfig().getPiped(), "youtube.com");
+        }
         event.reply(loadingEmoji+" Loading... `["+args+"]`", m -> bot.getPlayerManager().loadItemOrdered(event.getGuild(), args, new ResultHandler(m,event,false)));
     }
 

src/main/java/com/jagrosh/jmusicbot/commands/music/PlayCmd.java

@@ -89,6 +89,9 @@ public void doCommand(CommandEvent event)
         String args = event.getArgs().startsWith("<") && event.getArgs().endsWith(">") 
                 ? event.getArgs().substring(1,event.getArgs().length()-1) 
                 : event.getArgs().isEmpty() ? event.getMessage().getAttachments().get(0).getUrl() : event.getArgs();
+        if (args == event.getMessage().getAttachments().get(0).getUrl() && bot.getConfig().getPiped() != null && args.contains(bot.getConfig().getPiped())) {
+            args.replace(bot.getConfig().getPiped(), "youtube.com");
+        }
         event.reply(loadingEmoji+" Loading... `["+args+"]`", m -> bot.getPlayerManager().loadItemOrdered(event.getGuild(), args, new ResultHandler(m,event,false)));
     }
 

src/main/java/com/jagrosh/jmusicbot/commands/owner/DebugCmd.java

@@ -57,6 +57,7 @@ protected void execute(CommandEvent event)
                 .append("\n  Owner = ").append(bot.getConfig().getOwnerId())
                 .append("\n  Prefix = ").append(bot.getConfig().getPrefix())
                 .append("\n  AltPrefix = ").append(bot.getConfig().getAltPrefix())
+                .append("\n  PipedURL = ").append(bot.getConfig().getPiped())
                 .append("\n  MaxSeconds = ").append(bot.getConfig().getMaxSeconds())
                 .append("\n  NPImages = ").append(bot.getConfig().useNPImages())
                 .append("\n  SongInStatus = ").append(bot.getConfig().getSongInStatus())

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetpipedCmd.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import java.io.IOException;
+import java.io.InputStream;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import net.dv8tion.jda.api.entities.Icon;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class Setpipedcmd extends OwnerCommand 
+{
+    public SetpipedCmd(Bot bot)
+    {
+        this.name = "setpiped";
+        this.help = "sets the Piped instance's URL";
+        this.arguments = "<url>";
+        this.aliases = bot.getConfig().getAliases(this.name);
+        this.guildOnly = false;
+    }
+
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        String url;
+        if(event.getArgs().isEmpty())
+            url = null;
+        else
+            url = event.getArgs();
+        boolean isPiped = OtherUtil.isPipedInstance(url);
+        if(!isPiped)
+        {
+            event.reply(event.getClient().getError()+" Invalid Piped URL");
+        }
+        else
+        {
+            pipedURL = url;
+            event.reply(event.getClient().getSuccess()+" Successfully changed Piped URL.")
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/utils/OtherUtil.java

@@ -223,4 +223,41 @@ public static String getUnsupportedBotReason(JDA jda)
         ApplicationInfo info = jda.retrieveApplicationInfo().complete();
         return null;
     }
+
+    public static boolean isPipedInstance(String url)
+    {
+        try
+        {
+            Response response = new OkHttpClient.Builder().build()
+                    .newCall(new Request.Builder().get().url(url + "/trending").build())
+                    .execute();
+            ResponseBody body = response.body();
+            if(body != null)
+            {
+                try(Reader reader = body.charStream())
+                {
+                    JSONObject obj = new JSONObject(new JSONTokener(reader));
+                    try {
+                        if (obj.getString("error") == "region is a required parameter") {
+                            return true;
+                        }
+                        return false;
+                    }
+                    catch (Exception e) {
+                        return false;
+                    }
+                }
+                finally
+                {
+                    response.close();
+                }
+            }
+            else
+                return false;
+        }
+        catch(IOException | JSONException | NullPointerException ex)
+        {
+            return false;
+        }
+    }
 }

src/main/resources/reference.conf

@@ -60,6 +60,13 @@ songinstatus=false
 
 altprefix = "NONE"
 
+// If you set this, the bot will play streams from this Piped instance
+// Depending on your server location, this may perform better than default youtube.
+// For more information on Piped, check out the project page here: https://github.com/TeamPiped/Piped
+// For a list of Piped instances and their URLs, check the wiki: https://github.com/TeamPiped/Piped/wiki/Instances
+
+pipedURL = "NONE"
+
 
 // If you set these, it will change the various emojis