Add ability to limit music commands to a certain channel

src/main/java/netneutrality/command/AbstractCommand.java

@@ -2,6 +2,7 @@ package netneutrality.command;
 
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.TextChannel;
 
 public abstract class AbstractCommand implements ICommand {
 
@@ -9,4 +10,9 @@ public abstract class AbstractCommand implements ICommand {
     public boolean canBeExecutedBy(Guild guild, Member member) {
         return true;
     }
+
+    @Override
+    public boolean canBeExecutedFrom(Guild guild, TextChannel channel) {
+        return true;
+    }
 }

src/main/java/netneutrality/command/AbstractMusicCommand.java

@@ -6,9 +6,7 @@ package netneutrality.command;
  * https://discord.gg/CdFcyQ
  */
 
-import net.dv8tion.jda.api.entities.Guild;
-import net.dv8tion.jda.api.entities.Member;
-import net.dv8tion.jda.api.entities.Role;
+import net.dv8tion.jda.api.entities.*;
 import netneutrality.core.GuildManager;
 import netneutrality.utils.UserFunction;
 
@@ -27,17 +25,33 @@ public abstract class AbstractMusicCommand extends AbstractCommand {
     @Override
     public boolean canBeExecutedBy(Guild guild, Member member) {
         String roleDb = GuildManager.getManager(guild).getSetting(GuildManager.Settings.MUSIC_ROLE);
-        boolean can = true;
-        //System.out.println(roleDb);
 
         if (roleDb != null && !roleDb.isEmpty()) {
+            if (UserFunction.isAdmin(member)) {
+                return true;
+            }
+
             Role neededRole = guild.getRoleById(roleDb);
-            can = member.getRoles().contains(neededRole);
+            if (neededRole == null) {
+                // Role doesn't exist on guild anymore, remove from db
+                GuildManager.getManager(guild).setSettingValue(GuildManager.Settings.MUSIC_ROLE, null);
+                return true;
             }
 
-        if (UserFunction.isAdmin(member))
-            can = true;
+            return member.getRoles().contains(neededRole);
+        }
 
-        return can;
+        return true;
+    }
+
+    @Override
+    public boolean canBeExecutedFrom(Guild guild, TextChannel channel) {
+        String channelDb = GuildManager.getManager(guild).getSetting(GuildManager.Settings.MUSIC_CHANNEL);
+
+        if (channelDb != null && !channelDb.isEmpty()) {
+            return channelDb.equals(channel.getId());
+        }
+
+        return true;
     }
 }

src/main/java/netneutrality/command/ICommand.java

@@ -8,6 +8,7 @@ package netneutrality.command;
 
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.TextChannel;
 import netneutrality.core.context.CommandContext;
 import netneutrality.exceptions.CommandErrorException;
 import netneutrality.exceptions.CommandExecutionException;
@@ -44,6 +45,8 @@ public interface ICommand {
 
     boolean canBeExecutedBy(Guild guild, Member member);
 
+    boolean canBeExecutedFrom(Guild guild, TextChannel channel);
+
     /**
      * Command is executed with this function.
      *

src/main/java/netneutrality/command/PermissionManager.java

@@ -1,26 +0,0 @@
-package netneutrality.command;
-/*
- * Copyright (c) anthorob
- *
- * https://xtremcommunity.com/
- * https://discord.gg/CdFcyQ
- */
-
-import net.dv8tion.jda.api.entities.Guild;
-import net.dv8tion.jda.api.entities.Member;
-import net.dv8tion.jda.api.entities.Role;
-
-import java.util.List;
-
-public class PermissionManager {
-
-    public static boolean CheckPermissionForUser(Guild guild, Member member, AbstractCommand command) {
-
-        //Permission permissions = DBController.get().prepareAndExecuteAsync("SELECT * FROM permissions WHERE guild_id = ?").blocking();
-
-        List<Role> roles = member.getRoles();
-
-        return false;
-    }
-
-}

src/main/java/netneutrality/command/bot/ConfigureCommand.java

@@ -7,12 +7,12 @@ package netneutrality.command.bot;
  */
 
 import net.dv8tion.jda.api.entities.Role;
+import net.dv8tion.jda.api.entities.TextChannel;
 import netneutrality.command.AbstractCommand;
 import netneutrality.command.CommandType;
 import netneutrality.command.CommandUsage;
 import netneutrality.core.GuildManager;
 import netneutrality.core.context.CommandContext;
-import netneutrality.exceptions.CommandErrorException;
 import netneutrality.music.MusicManager;
 
 import java.util.List;
@@ -41,7 +41,7 @@ public class ConfigureCommand extends AbstractCommand {
     @Override
     public CommandUsage getUsage() {
         return CommandUsage.create(this,
-                new CommandUsage.Argument(CommandUsage.Argument.Type.REQUIRED, new String[] {"musicrole", "musicvolume", "debug"}, "")
+                new CommandUsage.Argument(CommandUsage.Argument.Type.REQUIRED, new String[] {"musicrole", "music-channel", "musicvolume", "debug"}, "")
         );
     }
 
@@ -95,6 +95,39 @@ public class ConfigureCommand extends AbstractCommand {
                 }
             }
 
+            // Role for music commands
+            if (context.getArg(0).equals("music-channel")) {
+                if (args.length == 1) {
+                    String channelDb = guildManager.getSetting(GuildManager.Settings.MUSIC_CHANNEL);
+                    TextChannel channel = null;
+                    if (!channelDb.isEmpty()) {
+                        channel = context.getGuild().getTextChannelById(channelDb);
+                    }
+
+                    context.reply("Current channel where music commands can be executed (default is everywhere): %s", (channel == null ? "Everywhere" : channel.getAsMention()));
+                    context.reply("Reset channel using 'conf music-channel reset' or set it using 'conf music-channel #'");
+                }
+
+                if (args.length == 2) {
+                    if (context.getArg(1).equals("reset")) {
+                        if (!guildManager.getSetting(GuildManager.Settings.MUSIC_CHANNEL).isEmpty()) {
+                            guildManager.setSettingValue(GuildManager.Settings.MUSIC_CHANNEL, null);
+                        }
+
+                        context.reply("Successful reset of the channel");
+                    }
+
+                    List<TextChannel> channels = context.getMessage().getMentionedChannels();
+                    if (channels.size() == 1) {
+                        TextChannel channel = channels.get(0);
+                        if (channel.getGuild().getId().equals(context.getGuild().getId())) {
+                            guildManager.setSettingValue(GuildManager.Settings.MUSIC_CHANNEL, channel.getId());
+                            context.reply("Successfully set %s as the channel required to execute music command", channel.getAsMention());
+                        }
+                    }
+                }
+            }
+
             // Default volume for music player
             if (context.getArg(0).equals("musicvolume")) {
                 if (args.length == 1) {

src/main/java/netneutrality/core/GuildManager.java

@@ -191,7 +191,7 @@ public class GuildManager {
         logger.debug("Reloading settings cache for guild: " + guild.getId());
         settingsCache.clear();
 
-        JpaUtils.getWithSession(guildEntity, close, () -> {
+        JpaUtils.getWithSession(guildEntity, close, session -> {
             Set<OGuildSetting> settingSet = guildEntity.getGuildSettings();
 
             for (OGuildSetting setting : settingSet) {
@@ -210,7 +210,7 @@ public class GuildManager {
         logger.debug("Reloading blacklist cache for guild: " + guild.getId());
         blacklistCache.clear();
 
-        JpaUtils.getWithSession(guildEntity, close, () -> {
+        JpaUtils.getWithSession(guildEntity, close, session -> {
             Set<OBlacklist> oBlacklistSet = guildEntity.getBlacklists();
 
             for (OBlacklist bl : oBlacklistSet) {

src/main/java/netneutrality/core/context/CommandContext.java

@@ -179,15 +179,15 @@ public class CommandContext {
         });
 
         try {
-            if (command.needAdmin()) {
-                if (!UserFunction.isAdmin(member)) {
+            if (command.needAdmin() && !UserFunction.isAdmin(member)) {
                 return;
             }
-            }
 
             if (command.canBeExecutedBy(guild, member)) {
+                if (command.canBeExecutedFrom(guild, channel)) {
                     command.execute(this);
                 }
+            }
         } catch (CommandErrorException | CommandExecutionException e) {
             LogHandler.log(e);
         } catch (Exception e) {

src/main/java/netneutrality/utils/JpaUtils.java

@@ -16,9 +16,22 @@ import org.hibernate.ObjectNotFoundException;
 import org.hibernate.Session;
 
 import java.io.Serializable;
+import java.util.function.Consumer;
 
 public class JpaUtils {
 
+    /**
+     * Tries to read the persistent state into the object.
+     *
+     * If the object is not found in the database and is of type {@link OGuild}, tries to recreate entity and throws
+     * an exception to block execution.
+     *
+     * The session is not closed
+     *
+     * @param session The session in which to load the persistent object
+     * @param object The persistent object
+     * @param id Identifier
+     */
     public static void tryLoad(Session session, Object object, Serializable id) {
         try {
             session.load(object, id);
@@ -53,23 +66,30 @@ public class JpaUtils {
         session.close();
     }
 
-    public static void getWithSession(OGuild oGuild, Runnable runnable) {
-        getWithSession(oGuild, oGuild.getGuildId(), runnable);
+    public static void getWithSession(OGuild oGuild, Consumer<Session> consumer) {
+        getWithSession(oGuild, oGuild.getGuildId(), consumer);
     }
 
-    public static void getWithSession(OGuild oGuild, boolean close, Runnable runnable) {
-        getWithSession(oGuild, oGuild.getGuildId(), close, runnable);
+    public static void getWithSession(OGuild oGuild, boolean close, Consumer<Session> consumer) {
+        getWithSession(oGuild, oGuild.getGuildId(), close, consumer);
     }
 
-    public static void getWithSession(Object persistantEntity, Serializable id, Runnable runnable) {
-        getWithSession(persistantEntity, id, true, runnable);
+    public static void getWithSession(Object persistantEntity, Serializable id, Consumer<Session> consumer) {
+        getWithSession(persistantEntity, id, true, consumer);
     }
 
-    public static void getWithSession(Object persistantEntity, Serializable id, boolean close, Runnable runnable) {
+
+    /**
+     * @param persistantEntity The entity to load
+     * @param id The identifier for the entity
+     * @param close If the session should be closed after consumer is executed
+     * @param consumer The comsumer, which exposes the session
+     */
+    public static void getWithSession(Object persistantEntity, Serializable id, boolean close, Consumer<Session> consumer) {
         Session session = SessionManager.getSessionFactory().openSession();
         tryLoad(session, persistantEntity, id);
 
-        runnable.run();
+        consumer.accept(session);
 
         if (close)
             session.close();