Add auto create voice channels

src/main/java/net/Broken/BotListener.java

@@ -5,11 +5,8 @@ import net.Broken.DB.Entity.GuildPreferenceEntity;
 import net.Broken.DB.Entity.UserEntity;
 import net.Broken.DB.Repository.GuildPreferenceRepository;
 import net.Broken.DB.Repository.UserRepository;
-import net.Broken.Tools.AntiSpam;
+import net.Broken.Tools.*;
 import net.Broken.Tools.Command.CommandParser;
-import net.Broken.Tools.EmbedMessageUtils;
-import net.Broken.Tools.Moderateur;
-import net.Broken.Tools.PrivateMessage;
 import net.Broken.Tools.UserManager.Stats.UserStatsUtils;
 import net.Broken.audio.AudioM;
 import net.dv8tion.jda.api.EmbedBuilder;
@@ -132,6 +129,8 @@ public class BotListener extends ListenerAdapter {
                 userStatsUtils.runningCounters.put(event.getMember().getId(), temp);
 
             }
+            AutoVoiceChannel autoVoiceChannel = AutoVoiceChannel.getInstance(event.getGuild());
+            autoVoiceChannel.join(event.getChannelJoined());
         }
     }
 
@@ -143,10 +142,11 @@ public class BotListener extends ListenerAdapter {
 
             if (event.getGuild().getAudioManager().getConnectedChannel().getMembers().size() == 1) {
                 logger.debug("I'm alone, close audio connection.");
-
                 AudioM.getInstance(event.getGuild()).stop();
             }
         }
+        AutoVoiceChannel autoVoiceChannel = AutoVoiceChannel.getInstance(event.getGuild());
+        autoVoiceChannel.leave(event.getChannelLeft());
     }
 
     @Override

src/main/java/net/Broken/DB/Entity/GuildPreferenceEntity.java

@@ -10,7 +10,7 @@ import java.util.List;
 @Entity
 public class GuildPreferenceEntity {
     @Id
-    @GeneratedValue(strategy= GenerationType.AUTO)
+    @GeneratedValue(strategy = GenerationType.AUTO)
     private Integer id;
 
     private String guildId;
@@ -32,9 +32,23 @@ public class GuildPreferenceEntity {
     @ElementCollection
     private List<String> visibleVoiceChanel;
 
+    private boolean autoVoice;
+    private String autoVoiceChannelID;
+    private String autoVoiceChannelTitle;
 
 
-    public GuildPreferenceEntity(String guildId, boolean antiSpam, boolean welcome, String welcomeMessage, String welcomeChanelID, boolean defaultRole, String defaultRoleId, boolean dailyMadame, ArrayList<String> visibleVoiceChanel) {
+    public GuildPreferenceEntity(String guildId,
+                                 boolean antiSpam,
+                                 boolean welcome,
+                                 String welcomeMessage,
+                                 String welcomeChanelID,
+                                 boolean defaultRole,
+                                 String defaultRoleId,
+                                 boolean dailyMadame,
+                                 ArrayList<String> visibleVoiceChanel,
+                                 boolean autoVoice,
+                                 String autoVoiceChannelID,
+                                 String autoVoiceChannelTitle) {
         this.guildId = guildId;
         this.antiSpam = antiSpam;
         this.welcome = welcome;
@@ -44,18 +58,22 @@ public class GuildPreferenceEntity {
         this.defaultRoleId = defaultRoleId;
         this.dailyMadame = dailyMadame;
         this.visibleVoiceChanel = visibleVoiceChanel;
+        this.autoVoice = autoVoice;
+        this.autoVoiceChannelID = autoVoiceChannelID;
+        this.autoVoiceChannelTitle = autoVoiceChannelTitle;
     }
 
-    public GuildPreferenceEntity(){}
+    public GuildPreferenceEntity() {
+    }
 
 
-    public static GuildPreferenceEntity getDefault(Guild guild){
+    public static GuildPreferenceEntity getDefault(Guild guild) {
         ArrayList<String> voice = new ArrayList<>();
-        for(VoiceChannel voiceChannel : guild.getVoiceChannels()){
+        for (VoiceChannel voiceChannel : guild.getVoiceChannels()) {
             voice.add(voiceChannel.getId());
         }
 
-        return new GuildPreferenceEntity(guild.getId(), false, false, "Welcome to this awesome server @name! ", " ", false, " ", true, voice);
+        return new GuildPreferenceEntity(guild.getId(), false, false, "Welcome to this awesome server @name! ", " ", false, " ", true, voice, false, " ", " ");
     }
 
     public Integer getId() {
@@ -137,4 +155,28 @@ public class GuildPreferenceEntity {
     public void setVisibleVoiceChanel(List<String> visibleVoiceChanel) {
         this.visibleVoiceChanel = visibleVoiceChanel;
     }
+
+    public boolean isAutoVoice() {
+        return autoVoice;
+    }
+
+    public void setAutoVoice(boolean autoVoice) {
+        this.autoVoice = autoVoice;
+    }
+
+    public String getAutoVoiceChannelID() {
+        return autoVoiceChannelID;
+    }
+
+    public void setAutoVoiceChannelID(String autoVoiceChannelID) {
+        this.autoVoiceChannelID = autoVoiceChannelID;
+    }
+
+    public String getAutoVoiceChannelTitle() {
+        return autoVoiceChannelTitle;
+    }
+
+    public void setAutoVoiceChannelTitle(String autoVoiceChannelTitle) {
+        this.autoVoiceChannelTitle = autoVoiceChannelTitle;
+    }
 }

src/main/java/net/Broken/RestApi/Data/Settings/GetSettingsData.java

@@ -6,6 +6,7 @@ import java.util.List;
 
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public class GetSettingsData {
+    public String description;
     public String name;
     public String id;
     public TYPE type;
@@ -15,8 +16,9 @@ public class GetSettingsData {
     public GetSettingsData() {
     }
 
-    public GetSettingsData(String name, String id, TYPE type, List<Value> values, String current) {
+    public GetSettingsData(String name, String description, String id, TYPE type, List<Value> values, String current) {
         this.name = name;
+        this.description = description;
         this.id = id;
         this.type = type;
         this.values = values;

src/main/java/net/Broken/Tools/AutoVoiceChannel.java

@@ -0,0 +1,87 @@
+package net.Broken.Tools;
+
+
+import net.Broken.DB.Entity.GuildPreferenceEntity;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.VoiceChannel;
+import net.dv8tion.jda.api.requests.RestAction;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.*;
+
+import static net.Broken.MainBot.jda;
+
+public class AutoVoiceChannel {
+    private static final HashMap<String, AutoVoiceChannel> INSTANCE_MAP = new HashMap<>();
+    private final Logger logger = LogManager.getLogger();
+
+    private final String guildID;
+    private final HashMap<Integer, String> createdChannels = new HashMap<>();
+
+    public static AutoVoiceChannel getInstance(Guild guild) {
+        if (INSTANCE_MAP.get(guild.getId()) == null) {
+            INSTANCE_MAP.put(guild.getId(), new AutoVoiceChannel(guild));
+        }
+        return INSTANCE_MAP.get(guild.getId());
+    }
+
+    public AutoVoiceChannel(Guild guild) {
+        this.guildID = guild.getId();
+    }
+
+    public void join(VoiceChannel voiceChannel) {
+        Guild guild = jda.getGuildById(guildID);
+        if (guild == null)
+            return;
+        GuildPreferenceEntity pref = SettingsUtils.getInstance().getPreference(guild);
+        if ( pref.isAutoVoice() && voiceChannel.getId().equals(pref.getAutoVoiceChannelID())) {
+            logger.info("Creating new voice channel for Guild : " + guild.getName());
+            VoiceChannel newChannel = voiceChannel.createCopy().complete();
+            int next = getNextNumber();
+            String title = pref.getAutoVoiceChannelTitle();
+            title = title.replace("@count", Integer.toString(next));
+            newChannel.getManager().setName(title).queue();
+            createdChannels.put(next, newChannel.getId());
+            moveMembers(voiceChannel.getMembers(), newChannel);
+        }
+
+    }
+
+    public void leave(VoiceChannel voiceChannel) {
+        if (voiceChannel.getMembers().isEmpty()){
+            String id = voiceChannel.getId();
+            for(Map.Entry<Integer, String> entry : createdChannels.entrySet()) {
+                if (entry.getValue().equals(id)){
+                    logger.info("Auto created channel is empty, deleting it ...");
+                    voiceChannel.delete().reason("Auto-remove empty voice channel").queue();
+                }
+            }
+        }
+
+    }
+
+    private int getNextNumber() {
+        Set<Integer> keys = createdChannels.keySet();
+        for (int next = 1; next < 999; next++) {
+            if (!keys.contains(next))
+                return next;
+        }
+        return 999;
+    }
+
+    private void moveMembers(List<Member> members, VoiceChannel destination){
+        logger.debug("Moving Members to new voice channel...");
+        RestAction<Void> restAction = null;
+        for(Member member : members){
+            if (restAction == null)
+                restAction = destination.getGuild().moveVoiceMember(member, destination);
+            restAction = restAction.and(destination.getGuild().moveVoiceMember(member, destination));
+        }
+        if(restAction != null){
+            restAction.queue();
+        }
+    }
+
+}

src/main/java/net/Broken/Tools/Redirection.java

@@ -12,8 +12,6 @@ import java.net.URLConnection;
 public class Redirection {
 
     public Redirection(){
-
-
     }
 
     /**

src/main/java/net/Broken/Tools/SettingsUtils.java

@@ -3,38 +3,34 @@ package net.Broken.Tools;
 import net.Broken.DB.Entity.GuildPreferenceEntity;
 import net.Broken.DB.Entity.UserEntity;
 import net.Broken.DB.Repository.GuildPreferenceRepository;
-import net.Broken.DB.Repository.PendingPwdResetRepository;
 import net.Broken.DB.Repository.UserRepository;
 import net.Broken.MainBot;
 import net.Broken.RestApi.Data.Settings.GetSettingsData;
 import net.Broken.RestApi.Data.Settings.PostSetSettings;
 import net.Broken.RestApi.Data.Settings.Value;
 import net.Broken.SpringContext;
-import net.Broken.Tools.UserManager.Exceptions.UnknownTokenException;
 import net.Broken.Tools.UserManager.UserUtils;
 import net.dv8tion.jda.api.Permission;
 import net.dv8tion.jda.api.entities.*;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.springframework.context.ApplicationContext;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-import org.springframework.security.crypto.password.PasswordEncoder;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 public class SettingsUtils {
 
     private static SettingsUtils INSTANCE;
-    private Logger logger = LogManager.getLogger();
+    private final Logger logger = LogManager.getLogger();
 
-    public static SettingsUtils getInstance(){
+    public static SettingsUtils getInstance() {
         return (INSTANCE == null) ? new SettingsUtils() : INSTANCE;
     }
 
-    private GuildPreferenceRepository guildPreferenceRepository;
+    private final GuildPreferenceRepository guildPreferenceRepository;
-    private UserRepository userRepository;
+    private final UserRepository userRepository;
 
 
     private SettingsUtils() {
@@ -45,28 +41,39 @@ public class SettingsUtils {
 
     }
 
-    public ArrayList<GetSettingsData> extractSettings(Guild guild){
+    /**
-        ArrayList<GetSettingsData> list = new ArrayList<>();
+     * Extract all settings for displaying on webpage
+     *
+     * @param guild The guild
+     * @return All formatted settings
+     */
+    public ArrayList<GetSettingsData> extractSettings(Guild guild) {
 
+        ArrayList<GetSettingsData> list = new ArrayList<>();
         List<GuildPreferenceEntity> guildPrefList = guildPreferenceRepository.findByGuildId(guild.getId());
         GuildPreferenceEntity guildPref;
-        if(guildPrefList.isEmpty()){
+        if (guildPrefList.isEmpty()) {
             guildPref = GuildPreferenceEntity.getDefault(guild);
             guildPreferenceRepository.save(guildPref);
-        }
+        } else
-        else
             guildPref = guildPrefList.get(0);
 
+        List<String> visibleVoice = new ArrayList<>(guildPref.getVisibleVoiceChanel());
+        if (visibleVoice.size() == 0) {
+            guildPref = setDefaultVoiceChannels(guild, guildPref);
+        }
         list.add(new GetSettingsData(
                 "Visible Voices Channels",
+                null,
                 "voices_channels",
                 GetSettingsData.TYPE.SELECT_LIST,
-                getVoiceChanels(guild, guildPref),
+                getVoiceChannels(guild, visibleVoice),
                 null
         ));
 
         list.add(new GetSettingsData(
                 "Enable Welcome Message",
+                null,
                 "welcome",
                 GetSettingsData.TYPE.BOOL,
                 null,
@@ -74,6 +81,7 @@ public class SettingsUtils {
         ));
         list.add(new GetSettingsData(
                 "Welcome Message chanel",
+                null,
                 "welcome_chanel_id",
                 GetSettingsData.TYPE.LIST,
                 getTextChannels(guild),
@@ -81,6 +89,7 @@ public class SettingsUtils {
         ));
         list.add(new GetSettingsData(
                 "Welcome Message",
+                null,
                 "welcome_message",
                 GetSettingsData.TYPE.STRING,
                 null,
@@ -90,6 +99,7 @@ public class SettingsUtils {
 
         list.add(new GetSettingsData(
                 "Enable Default Role",
+                null,
                 "default_role",
                 GetSettingsData.TYPE.BOOL,
                 null,
@@ -97,15 +107,16 @@ public class SettingsUtils {
         ));
         list.add(new GetSettingsData(
                 "Default Role",
+                null,
                 "default_role_id",
                 GetSettingsData.TYPE.LIST,
                 getRoles(guild),
                 guildPref.getDefaultRoleId()
         ));
 
-
         list.add(new GetSettingsData(
                 "Enable Anti Spam",
+                null,
                 "anti_spam",
                 GetSettingsData.TYPE.BOOL,
                 null,
@@ -114,38 +125,64 @@ public class SettingsUtils {
 
         list.add(new GetSettingsData(
                 "Enable Daily Madame Message",
+                null,
                 "daily_madame",
                 GetSettingsData.TYPE.BOOL,
                 null,
                 Boolean.toString(guildPref.isDailyMadame())
         ));
 
-
+        list.add(new GetSettingsData(
-
+                "Enable Auto Create Voice Chanel",
+                null,
+                "auto_voice",
+                GetSettingsData.TYPE.BOOL,
+                null,
+                Boolean.toString(guildPref.isAutoVoice())
+        ));
+        list.add(new GetSettingsData(
+                "Base Voice Channel For Auto Create",
+                "If someone joint this channel, a new voice channel will be created with the same settings.",
+                "auto_voice_base_channel",
+                GetSettingsData.TYPE.LIST,
+                getVoiceChannels(guild, null),
+                guildPref.getAutoVoiceChannelID()
+        ));
+        list.add(new GetSettingsData(
+                "Auto Created Voice Channel title",
+                "Auto created voice channel will use this title, @count will be replaced by the channel count.",
+                "auto_voice_channel_title",
+                GetSettingsData.TYPE.STRING,
+                null,
+                guildPref.getAutoVoiceChannelTitle()
+        ));
 
         return list;
 
     }
 
-
+    /**
-    public boolean checkPermission(String token, String guild){
+     * Check if the user have the permission to set settings
-        if(token == null || guild == null){
+     *
+     * @param token User token
+     * @param guild Guild
+     * @return True if user have ADMINISTRATOR permission
+     */
+    public boolean checkPermission(String token, String guild) {
+        if (token == null || guild == null) {
             return false;
-        }
+        } else {
-        else{
             try {
                 UserEntity user = UserUtils.getInstance().getUserWithApiToken(userRepository, token);
                 User jdaUser = MainBot.jda.getUserById(user.getJdaId());
                 Guild jdaGuild = MainBot.jda.getGuildById(guild);
-                if(jdaGuild == null){
+                if (jdaGuild == null || jdaUser == null)
                     return false;
-                }
+
-                if(!jdaGuild.getMember(jdaUser).hasPermission(Permission.ADMINISTRATOR)){
+                Member guildUser = jdaGuild.getMember(jdaUser);
+                if (guildUser == null)
                     return false;
-                }
+                return guildUser.hasPermission(Permission.ADMINISTRATOR);
-
-                return true;
-
             } catch (Exception e) {
                 logger.debug("Unknown Token or user :" + token);
                 return false;
@@ -154,170 +191,131 @@ public class SettingsUtils {
     }
 
 
-    public boolean setSettings(Guild guild, List<PostSetSettings> settings){
+    public boolean setSettings(Guild guild, List<PostSetSettings> settings) {
         GuildPreferenceEntity pref = getPreference(guild);
-        for (PostSetSettings setting : settings){
+        for (PostSetSettings setting : settings) {
             String value = setting.val;
             logger.debug(setting.id + " : " + value);
             switch (setting.id) {
-
                 case "voices_channels":
-
                     List<String> list = checkVoiceChanel(guild, setting.vals);
-                    if(list == null){
+                    if (list == null) {
                         logger.error("voices_channels error, bad ID.");
                         return false;
-                    }
+                    } else
-                    else{
                         pref.setVisibleVoiceChanel(list);
-                    }
-
                     break;
 
-
-
                 case "anti_spam":
-                    if (value.toLowerCase().equals("true") || value.toLowerCase().equals("false")) {
+                    boolean result_as = Boolean.parseBoolean(value);
-                        boolean result = Boolean.parseBoolean(value);
+                    pref.setAntiSpam(result_as);
-                        pref.setAntiSpam(result);
-                    } else {
-                        logger.error("anti_spam error. Key: " + setting.id + " Val: " + setting.val);
-                        return false;
-                    }
-
                     break;
 
-
                 case "default_role":
-                    if (value.toLowerCase().equals("true") || value.toLowerCase().equals("false")) {
+                    boolean result_df = Boolean.parseBoolean(value);
-                        boolean result = Boolean.parseBoolean(value);
+                    pref.setDefaultRole(result_df);
-                        pref.setDefaultRole(result);
+                    pref = guildPreferenceRepository.save(pref);
-                        pref = guildPreferenceRepository.save(pref);
-                    } else {
-                        logger.error("default_role error. Key: " + setting.id + " Val: " + setting.val);
-
-                        return false;
-                    }
-
                     break;
+
                 case "default_role_id":
                     try {
                         Role role = guild.getRoleById(value);
                         if (role != null) {
                             pref.setDefaultRoleId(role.getId());
-
                             pref = guildPreferenceRepository.save(pref);
-
+                        } else
-                        } else {
                             throw new NumberFormatException();
-                        }
                     } catch (NumberFormatException e) {
                         logger.error("default_role_id error. Key: " + setting.id + " Val: " + setting.val);
-
                         return false;
                     }
-
                     break;
+
                 case "welcome":
-                    if (value.toLowerCase().equals("true") || value.toLowerCase().equals("false")) {
+                    boolean result_w = Boolean.parseBoolean(value);
-                        boolean result = Boolean.parseBoolean(value);
+                    pref.setWelcome(result_w);
-                        pref.setWelcome(result);
-                    } else {
-                        logger.error("welcome error. Key: " + setting.id + " Val: " + setting.val);
-                        return false;
-                    }
                     break;
                 case "welcome_chanel_id":
                     try {
-                        TextChannel chanel = guild.getTextChannelById(value);
+                        TextChannel channel = guild.getTextChannelById(value);
-                        if (chanel != null) {
+                        if (channel != null) {
-                            pref.setWelcomeChanelID(chanel.getId());
+                            pref.setWelcomeChanelID(channel.getId());
-
+                        } else
-                        } else {
                             throw new NumberFormatException();
-                        }
                     } catch (NumberFormatException e) {
                         logger.error("welcome_chanel_id error. Key: " + setting.id + " Val: " + setting.val);
-
                         return false;
                     }
                     break;
+
                 case "welcome_message":
                     pref.setWelcomeMessage(value);
-
                     break;
 
                 case "daily_madame":
-                    if (value.toLowerCase().equals("true") || value.toLowerCase().equals("false")) {
+                    boolean result_dm = Boolean.parseBoolean(value);
-                        boolean result = Boolean.parseBoolean(value);
+                    pref.setDailyMadame(result_dm);
-                        pref.setDailyMadame(result);
+                    break;
 
-                    } else {
+                case "auto_voice":
-                        logger.error("daily_madame error. Key: " + setting.id + " Val: " + setting.val);
+                    boolean result_av = Boolean.parseBoolean(value);
+                    pref.setAutoVoice(result_av);
+                    break;
 
+                case "auto_voice_base_channel":
+                    VoiceChannel channel = guild.getVoiceChannelById(value);
+                    if (channel == null) {
+                        logger.error("voices_channels error, bad ID.");
                         return false;
-                    }
+                    } else
+                        pref.setAutoVoiceChannelID(channel.getId());
+                    break;
+
+                case "auto_voice_channel_title":
+                    pref.setAutoVoiceChannelTitle(value);
                     break;
             }
         }
         guildPreferenceRepository.save(pref);
         return true;
-
     }
 
 
-    private List<Value> getTextChannels(Guild guild){
+    private List<Value> getTextChannels(Guild guild) {
         List<Value> channels = new ArrayList<>();
-        for(TextChannel channel : guild.getTextChannels()){
+        for (TextChannel channel : guild.getTextChannels()) {
             channels.add(new Value(channel.getName(), channel.getId()));
         }
         return channels;
     }
 
-    private List<Value> getRoles(Guild guild){
+    private List<Value> getRoles(Guild guild) {
         List<Value> roles = new ArrayList<>();
-        for(Role role : guild.getRoles()){
+        for (Role role : guild.getRoles()) {
             roles.add(new Value(role.getName(), role.getId()));
         }
         return roles;
     }
 
 
-    private List<Value> getVoiceChanels(Guild guild, GuildPreferenceEntity guildPref){
+    private List<Value> getVoiceChannels(Guild guild, List<String> selected) {
-
+        List<Value> channels = new ArrayList<>();
-
+        for (VoiceChannel voiceChannel : guild.getVoiceChannels()) {
-        List<String> prefVoice = new ArrayList<>(guildPref.getVisibleVoiceChanel());
+            if (selected == null)
-        if(prefVoice.size() == 0){
+                channels.add(new Value(voiceChannel.getName(), voiceChannel.getId()));
-            guildPref = setDefaultVoiceChanels(guild, guildPref);
+            else
+                channels.add(new Value(voiceChannel.getName(), voiceChannel.getId(), selected.contains(voiceChannel.getId())));
         }
-
+        return channels;
-        List<Value> chanels = new ArrayList<>();
-        for(VoiceChannel voiceChannel : guild.getVoiceChannels()){
-            chanels.add(new Value(voiceChannel.getName(), voiceChannel.getId(), prefVoice.contains(voiceChannel.getId())));
-            prefVoice.remove(voiceChannel.getId());
-        }
-
-        if(prefVoice.size() != 0){
-            List<String> edit = guildPref.getVisibleVoiceChanel();
-            for(String prefVoiceItem : prefVoice){
-                edit.remove(prefVoiceItem);
-            }
-            guildPref.setVisibleVoiceChanel(edit);
-            guildPreferenceRepository.save(guildPref);
-        }
-
-        return chanels;
-
     }
 
-    private List<String> checkVoiceChanel(Guild guild, List<String> values){
+    private List<String> checkVoiceChanel(Guild guild, List<String> values) {
         List<String> list = new ArrayList<>();
-        for(String value : values){
+        for (String value : values) {
-
             if (guild.getVoiceChannelById(value) != null) {
                 list.add(value);
             } else {
-                logger.error("Unknown voice chanel id: " + value);
+                logger.error("Unknown voice channel id: " + value);
                 list = null;
                 break;
             }
@@ -325,10 +323,10 @@ public class SettingsUtils {
         return list;
     }
 
-    public GuildPreferenceEntity cleanVoicePref(Guild guild, GuildPreferenceEntity guildPref){
+    public GuildPreferenceEntity cleanVisibleVoicePref(Guild guild, GuildPreferenceEntity guildPref) {
         List<String> voice = guildPref.getVisibleVoiceChanel();
-        for(String prefVoice : guildPref.getVisibleVoiceChanel()){
+        for (String prefVoice : guildPref.getVisibleVoiceChanel()) {
-            if(guild.getVoiceChannelById(prefVoice) == null)
+            if (guild.getVoiceChannelById(prefVoice) == null)
                 voice.remove(prefVoice);
         }
         guildPref.setVisibleVoiceChanel(voice);
@@ -336,11 +334,11 @@ public class SettingsUtils {
     }
 
 
-    public GuildPreferenceEntity setDefaultVoiceChanels(Guild guild, GuildPreferenceEntity guildPref){
+    public GuildPreferenceEntity setDefaultVoiceChannels(Guild guild, GuildPreferenceEntity guildPref) {
         List<String> prefVoice = guildPref.getVisibleVoiceChanel();
-        if(prefVoice == null)
+        if (prefVoice == null)
             prefVoice = new ArrayList<>();
-        for(VoiceChannel voiceChannel : guild.getVoiceChannels()){
+        for (VoiceChannel voiceChannel : guild.getVoiceChannels()) {
             prefVoice.add(voiceChannel.getId());
         }
         guildPref.setVisibleVoiceChanel(prefVoice);
@@ -348,15 +346,14 @@ public class SettingsUtils {
 
     }
 
-    public GuildPreferenceEntity getPreference(Guild guild){
+    public GuildPreferenceEntity getPreference(Guild guild) {
         List<GuildPreferenceEntity> guildPrefList = guildPreferenceRepository.findByGuildId(guild.getId());
         GuildPreferenceEntity guildPref;
-        if(guildPrefList.isEmpty()){
+        if (guildPrefList.isEmpty()) {
             logger.info("Generate default pref for " + guild.getName());
             guildPref = GuildPreferenceEntity.getDefault(guild);
             guildPreferenceRepository.save(guildPref);
-        }
+        } else
-        else
             guildPref = guildPrefList.get(0);
         return guildPref;
     }

src/main/java/net/Broken/audio/GetVoiceChanels.java

@@ -31,7 +31,7 @@ public class GetVoiceChanels {
         List<String> chanels = pref.getVisibleVoiceChanel();
 
         if(chanels == null || chanels.size() == 0){
-            pref = settingsUtils.setDefaultVoiceChanels(guild, pref);
+            pref = settingsUtils.setDefaultVoiceChannels(guild, pref);
             chanels = pref.getVisibleVoiceChanel();
         }
 
@@ -46,7 +46,7 @@ public class GetVoiceChanels {
 
         if(needClean){
             logger.debug("Need Clean.");
-            settingsUtils.cleanVoicePref(guild, pref);
+            settingsUtils.cleanVisibleVoicePref(guild, pref);
 
         }