Fixed outstanding errors.

.idea/libraries/Gradle__commons_io_commons_io_2_5.xml

@@ -1,12 +1,9 @@
 <component name="libraryTable">
   <library name="Gradle: commons-io:commons-io:2.5">
     <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/commons-io/commons-io/2.5/2852e6e05fbb95076fc091f6d1780f1f8fe35e0f/commons-io-2.5.jar!/" />
       <root url="jar://$MAVEN_REPOSITORY$/commons-io/commons-io/2.5/commons-io-2.5.jar!/" />
     </CLASSES>
     <JAVADOC />
-    <SOURCES>
+    <SOURCES />
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/commons-io/commons-io/2.5/caf033a4a7c37b4a8ff3ea084cba591539b0b69/commons-io-2.5-sources.jar!/" />
-    </SOURCES>
   </library>
 </component>

.idea/libraries/Gradle__net_sf_trove4j_trove4j_3_0_3.xml

@@ -1,11 +1,9 @@
 <component name="libraryTable">
   <library name="Gradle: net.sf.trove4j:trove4j:3.0.3">
     <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.sf.trove4j/trove4j/3.0.3/42ccaf4761f0dfdfa805c9e340d99a755907e2dd/trove4j-3.0.3.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar!/" />
     </CLASSES>
     <JAVADOC />
-    <SOURCES>
+    <SOURCES />
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.sf.trove4j/trove4j/3.0.3/109c5be93362e6e651e417c51d1863477a22969c/trove4j-3.0.3-sources.jar!/" />
-    </SOURCES>
   </library>
 </component>

.idea/modules/Rixa_main.iml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module external.linked.project.id="Rixa:main" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="1.0" type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
-    <output url="file://$MODULE_DIR$/../../out/production/classes" />
+    <output url="file://$MODULE_DIR$/../../build/classes/main" />
     <exclude-output />
     <content url="file://$MODULE_DIR$/../../src/main">
       <sourceFolder url="file://$MODULE_DIR$/../../src/main/java" isTestSource="false" />

.idea/modules/Rixa_test.iml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module external.linked.project.id="Rixa:test" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="1.0" type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
-    <output-test url="file://$MODULE_DIR$/../../out/test/classes" />
+    <output-test url="file://$MODULE_DIR$/../../build/classes/test" />
     <exclude-output />
     <content url="file://$MODULE_DIR$/../../src/test">
       <sourceFolder url="file://$MODULE_DIR$/../../src/test/java" isTestSource="true" />

src/main/java/me/savvy/rixa/commands/admin/ConfigCommand.java

@@ -5,14 +5,12 @@ import me.savvy.rixa.commands.handlers.CommandExec;
 import me.savvy.rixa.commands.handlers.CommandType;
 import me.savvy.rixa.commands.handlers.RixaPermission;
 import me.savvy.rixa.guild.RixaGuild;
-import me.savvy.rixa.guild.RixaGuild;
 import me.savvy.rixa.utils.MessageBuilder;
 import net.dv8tion.jda.core.entities.ChannelType;
 import net.dv8tion.jda.core.entities.Member;
 import net.dv8tion.jda.core.entities.Role;
 import net.dv8tion.jda.core.entities.TextChannel;
 import net.dv8tion.jda.core.events.message.guild.GuildMessageReceivedEvent;
-import net.dv8tion.jda.core.managers.GuildManager;
 import org.apache.commons.lang3.EnumUtils;
 
 import java.util.Arrays;
@@ -89,7 +87,7 @@ public class ConfigCommand implements CommandExec {
         }
         String message;
         if (messages[1].equalsIgnoreCase("joinmessage")) {
-            message = getMessage(messages, 2);
+            message = getMessage(messages);
             if(event.getMessage().getMentionedChannels().size() > 0) {
                 for (TextChannel messageChannel : event.getMessage().getMentionedChannels()) {
                     message = message.replace(messageChannel.getAsMention(), "<#" + messageChannel.getId() + ">");
@@ -99,7 +97,7 @@ public class ConfigCommand implements CommandExec {
             new MessageBuilder("Successfully set Join Message to\n" + message.replace("{0}", event.getMember().getUser().getName())
                     .replace("{1}", event.getGuild().getName())).setColor(event.getMember().getColor()).queue(event.getChannel());
         } else if (messages[1].equalsIgnoreCase("quitmessage")) {
-            message = getMessage(messages, 2);
+            message = getMessage(messages);
             if(event.getMessage().getMentionedChannels().size() > 0) {
                 for (TextChannel messageChannel : event.getMessage().getMentionedChannels()) {
                     message = message.replace(messageChannel.getAsMention(), "<#" + messageChannel.getId() + ">");
@@ -109,7 +107,7 @@ public class ConfigCommand implements CommandExec {
             new MessageBuilder("Successfully set Quit Message to\n" + message.replace("{0}", event.getMember().getUser().getName())
                     .replace("{1}", event.getGuild().getName())).setColor(event.getMember().getColor()).queue(event.getChannel());
         } else if (messages[1].equalsIgnoreCase("joinpm")) {
-            message = getMessage(messages, 2);
+            message = getMessage(messages);
             if(event.getMessage().getMentionedChannels().size() > 0) {
                 for (TextChannel messageChannel : event.getMessage().getMentionedChannels()) {
                     message = message.replace(messageChannel.getAsMention(), "<#" + messageChannel.getId() + ">");
@@ -119,7 +117,7 @@ public class ConfigCommand implements CommandExec {
             new MessageBuilder("Successfully set Private Join Message to\n" + message.replace("{0}", event.getMember().getUser().getName())
                     .replace("{1}", event.getGuild().getName())).setColor(event.getMember().getColor()).queue(event.getChannel());
         } else if (messages[1].equalsIgnoreCase("description")) {
-            message = getMessage(messages, 2);
+            message = getMessage(messages);
             rixaGuild.getGuildSettings().setDescription(message);
             new MessageBuilder("Successfully set Server Description to\n" + message.replace("{0}", event.getMember().getUser().getName())
                     .replace("{1}", event.getGuild().getName())).setColor(event.getMember().getColor()).queue(event.getChannel());
@@ -275,9 +273,9 @@ public class ConfigCommand implements CommandExec {
         return builder.setColor(member.getColor()).setTitle(String.format("Config: %s", member.getGuild().getId()));
     }
 
-    private String getMessage(String[] messages, int argToBegin) {
+    private String getMessage(String[] messages) {
         StringBuilder builder = new StringBuilder();
-        for(int i = argToBegin; i < messages.length; i++) {
+        for(int i = 2; i < messages.length; i++) {
             builder.append(messages[i]).append(" ");
         }
         return builder.toString().trim();

src/main/java/me/savvy/rixa/commands/general/InfoCommand.java

@@ -28,7 +28,7 @@ public class InfoCommand implements CommandExec {
         EmbedBuilder messageEmbed = new EmbedBuilder();
         User botOwner = event.getJDA().getUserById("202944101333729280");
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy HH:mm:ss");
-        Date date1 = new Date(Rixa.getInstance().getTimeUp());
+        Date date1 = new Date(Rixa.getTimeUp());
         Date date2 = new Date();
         long difference = date2.getTime() - date1.getTime();
         long seconds = difference / 1000;
@@ -38,7 +38,7 @@ public class InfoCommand implements CommandExec {
         long second = TimeUnit.SECONDS.toSeconds(seconds) - (TimeUnit.SECONDS.toMinutes(seconds) *60);
         int guildCount = 0;
         int userCount = 0;
-        for(JDA jda: Rixa.getInstance().getShardsList()) {
+        for(JDA jda: Rixa.getShardsList()) {
             guildCount += jda.getGuilds().size();
             userCount += jda.getUsers().size();
         }

src/main/java/me/savvy/rixa/commands/general/MusicCommand.java

@@ -42,7 +42,7 @@ import java.util.logging.Level;
  */
 public class MusicCommand implements CommandExec {
 
-    public final int DEFAULT_VOLUME = 35; //(0 - 150, where 100 is default max volume)
+    private final int DEFAULT_VOLUME = 35; //(0 - 150, where 100 is default max volume)
     private final AudioPlayerManager playerManager;
     private final Map<String, MusicManager> musicManagers;
     public MusicCommand() {
@@ -216,18 +216,20 @@ public class MusicCommand implements CommandExec {
         } else if (message.length == 3) {
             if(message[1].equalsIgnoreCase("join")) {
                 VoiceChannel chan = null;
-                if (guild.getVoiceChannelsByName(message[2], true).size() >= 1) {
+                String channelName = message[2];//getMessage(message, 2).trim();
-                    chan = guild.getVoiceChannelsByName(message[2], true).get(0);
+                if (guild.getVoiceChannelsByName(channelName, true).size() >= 1) {
+                    chan = guild.getVoiceChannelsByName(channelName, true).get(0);
                 } else {
                     for (VoiceChannel voiceChannel : guild.getVoiceChannels()) {
-                        if (voiceChannel.getName().contains(message[2]) || voiceChannel.getId().equalsIgnoreCase(message[2])) {
+                        if (voiceChannel.getName().contains(channelName) || voiceChannel.getName().equalsIgnoreCase(channelName) ||
+                                voiceChannel.getId().equalsIgnoreCase(channelName)) {
                             chan = voiceChannel;
                             break;
                         }
                     }
                 }
                 if (chan == null) {
-                    new MessageBuilder("Sorry I was unable to find the VoiceChannel: `" + message[2] + "`.").setColor(event.getMember().getColor()).queue(event.getChannel());
+                    new MessageBuilder("Sorry I was unable to find the VoiceChannel: `" + channelName + "`.").setColor(event.getMember().getColor()).queue(event.getChannel());
                 } else {
                     guild.getAudioManager().setSendingHandler(mng.sendHandler);
                     try {
@@ -271,7 +273,8 @@ public class MusicCommand implements CommandExec {
                     chan = guild.getVoiceChannelsByName(channelName, true).get(0);
                 } else {
                     for (VoiceChannel voiceChannel : guild.getVoiceChannels()) {
-                        if (voiceChannel.getName().contains(channelName) || voiceChannel.getId().equalsIgnoreCase(channelName)) {
+                        if (voiceChannel.getName().contains(channelName) || voiceChannel.getId().equalsIgnoreCase(channelName)
+                            || voiceChannel.getName().equalsIgnoreCase(channelName)) {
                             chan = voiceChannel;
                             break;
                         }

src/main/java/me/savvy/rixa/commands/general/UrbanDictionaryCommand.java

@@ -23,7 +23,7 @@ public class UrbanDictionaryCommand implements CommandExec {
             channelType = ChannelType.TEXT)
     public void execute(GuildMessageReceivedEvent event) {
         String[] message = event.getMessage().getContent().split(" ");
-        String search = getMessage(message, 1);
+        String search = getMessage(message);
         UrbanDictionary ud = null;
         try {
             ud = new UrbanDictionary(URLEncoder.encode(search, "UTF-8"));
@@ -45,9 +45,9 @@ public class UrbanDictionaryCommand implements CommandExec {
                 .addThumbnail("https://s-media-cache-ak0.pinimg.com/originals/f2/aa/37/f2aa3712516cfd0cf6f215301d87a7c2.jpg").queue(event.getChannel());
     }
 
-    private String getMessage(String[] messages, int argToBegin) {
+    private String getMessage(String[] messages) {
         StringBuilder builder = new StringBuilder();
-        for(int i = argToBegin; i < messages.length; i++) {
+        for(int i = 1; i < messages.length; i++) {
             builder.append(messages[i]).append(" ");
         }
         return builder.toString().trim();

src/main/java/me/savvy/rixa/commands/general/YoutubeCommand.java

@@ -21,7 +21,7 @@ public class YoutubeCommand implements CommandExec {
             channelType = ChannelType.TEXT)
     public void execute(GuildMessageReceivedEvent event) {
         String[] message = event.getMessage().getContent().split(" ");
-        String search = getMessage(message, 1);
+        String search = getMessage(message);
         try {
             YoutubeSearch ytSearch = new YoutubeSearch(search);
             new MessageBuilder(ytSearch.getUrl(0))
@@ -31,9 +31,9 @@ public class YoutubeCommand implements CommandExec {
         }
     }
 
-    private String getMessage(String[] messages, int argToBegin) {
+    private String getMessage(String[] messages) {
         StringBuilder builder = new StringBuilder() ;
-        for(int i = argToBegin; i < messages.length; i++) {
+        for(int i = 1; i < messages.length; i++) {
             builder.append(messages[i]).append(" ");
         }
         return builder.toString().trim();

src/main/java/me/savvy/rixa/commands/handlers/CommandExec.java

@@ -7,5 +7,5 @@ import net.dv8tion.jda.core.events.message.guild.GuildMessageReceivedEvent;
  */
 public interface CommandExec {
 
-    public void execute(GuildMessageReceivedEvent event);
+    void execute(GuildMessageReceivedEvent event);
 }

src/main/java/me/savvy/rixa/commands/handlers/CommandType.java

@@ -4,5 +4,5 @@ package me.savvy.rixa.commands.handlers;
  * Created by Timber on 5/22/2017.
  */
 public enum CommandType {
-    USER, MOD, ADMIN, BOT_OWNER;
+    USER, MOD, ADMIN, BOT_OWNER
 }

src/main/java/me/savvy/rixa/data/database/Data.java

@@ -18,7 +18,7 @@ public class Data {
     private DatabaseManager db;
     public Data(DataType dataType) {
         this.dataType = dataType;
-        this.db = Rixa.getInstance().getDbManager();
+        this.db = Rixa.getDbManager();
     }
 
     public Object get(String key, String value, String objToGet, String table) throws SQLException {
@@ -64,7 +64,11 @@ public class Data {
     public Result exists(String check) {
         switch(dataType) {
             case SQL:
-                return db.checkExists(check);
+                try {
+                    return db.checkExists(check);
+                } catch (SQLException e) {
+                    e.printStackTrace();
+                }
         }
         return Result.FALSE;
     }

src/main/java/me/savvy/rixa/data/database/DataType.java

@@ -6,5 +6,5 @@ package me.savvy.rixa.data.database;
 public enum DataType {
 
     SQL,
-    FLAT_FILE;
+    FLAT_FILE
 }

src/main/java/me/savvy/rixa/data/database/sql/DatabaseManager.java

@@ -11,8 +11,9 @@ import java.sql.SQLException;
 
 public class DatabaseManager {
 
-    private Connection connection = null;
+    private Connection connection;
     private MySQL MYSQL = null;
+
     public DatabaseManager(String hostName, String port, String databaseName, String userName, String password) {
         MYSQL = new MySQL(hostName, port, databaseName, userName, password);
     }
@@ -22,16 +23,12 @@ public class DatabaseManager {
     }
 
     public void createTable() {
-        try {
+        checkConnection();
-            connection = MYSQL.openConnection();
-            Rixa.getInstance().getLogger().info("Mysql database connected");
-        } catch (SQLException | ClassNotFoundException e) {
-            e.printStackTrace();
-        }
         try {
             PreparedStatement ps = connection.prepareStatement(
                     "CREATE TABLE IF NOT EXISTS `core` (`guild_id` varchar(255) NOT NULL, `guild_name` varchar(255) NOT NULL, PRIMARY KEY (`guild_id`));");
             ps.executeUpdate();
+            ps.close();
         } catch (SQLException e) {
             Rixa.getInstance().getLogger().severe("Could not check if table exists, stopping server.");
             e.printStackTrace();
@@ -41,20 +38,21 @@ public class DatabaseManager {
 
     private void checkConnection() {
         try {
-            if(!MYSQL.checkConnection()) {
+            if (!MYSQL.checkConnection()) {
                 connection = MYSQL.openConnection();
+                Rixa.getInstance().getLogger().info("Mysql database connected");
             }
-        }  catch(ClassNotFoundException | SQLException e) {
+        } catch (ClassNotFoundException | SQLException e) {
             e.printStackTrace();
         }
     }
 
-    public Result executeUpdate(PreparedStatement ps) {
+    public Result executeUpdate(PreparedStatement ps) throws SQLException {
         checkConnection();
         try {
             ps.executeUpdate();
             return Result.SUCCESS;
-        } catch(SQLException e) {
+        } catch (SQLException e) {
             e.printStackTrace();
             return Result.ERROR;
         }
@@ -74,7 +72,7 @@ public class DatabaseManager {
     public ResultSet getObject(PreparedStatement ps) throws SQLException {
         checkConnection();
         ResultSet rs = ps.executeQuery();
-        if(rs.next()) {
+        if (rs.next()) {
             return rs;
         }
         return null;
@@ -93,28 +91,29 @@ public class DatabaseManager {
 
     public int getCount(String table) {
         checkConnection();
-        ResultSet rs;
         try {
-            PreparedStatement ps = connection.prepareStatement("SELECT count(*) FROM '" + table + "';");
+            PreparedStatement preparedStatement = connection.prepareStatement("SELECT count(*) FROM '" + table + "';");
-            rs = ps.executeQuery();
+            ResultSet resultSet = preparedStatement.executeQuery();
-            if (rs.next()) {
+            if (resultSet.next()) {
-                return rs.getInt(1);
+                return resultSet.getInt(1);
             }
+            preparedStatement.close();
+            resultSet.close();
         } catch (SQLException ex) {
             ex.printStackTrace();
         }
         return 0;
     }
 
-    public Result checkExists(String string) {
+    public Result checkExists(String string) throws SQLException {
         checkConnection();
         try {
             PreparedStatement ps = connection.prepareStatement(string);
             ResultSet rs = ps.executeQuery();
-            if(rs.next()) {
+            if (rs.next()) {
                 rs.close();
                 return Result.TRUE;
-            }else {
+            } else {
                 rs.close();
                 return Result.FALSE;
             }
@@ -123,12 +122,13 @@ public class DatabaseManager {
         }
     }
 
+
     public Result insert(String string) {
         checkConnection();
-        PreparedStatement ps;
         try {
-            ps = connection.prepareStatement(string);
+            PreparedStatement preparedStatement = connection.prepareStatement(string);
-            ps.executeUpdate();
+            preparedStatement.executeUpdate();
+            preparedStatement.close();
             return Result.SUCCESS;
         } catch (SQLException e) {
             e.printStackTrace();

src/main/java/me/savvy/rixa/data/database/sql/mysql/Database.java

@@ -36,7 +36,7 @@ public abstract class Database {
 	 * @throws ClassNotFoundException
 	 *             if the driver cannot be found
 	 */
-	public abstract Connection openConnection() throws SQLException,
+	protected abstract Connection openConnection() throws SQLException,
 			ClassNotFoundException;
 
 	/**
@@ -88,9 +88,7 @@ public abstract class Database {
 
 		Statement statement = connection.createStatement();
 
-		ResultSet result = statement.executeQuery(query);
+        return statement.executeQuery(query);
-
-		return result;
 	}
 
 	/**
@@ -114,8 +112,6 @@ public abstract class Database {
 
 		Statement statement = connection.createStatement();
 
-		int result = statement.executeUpdate(query);
+        return statement.executeUpdate(query);
-
-		return result;
 	}
 }

src/main/java/me/savvy/rixa/data/placeholder/PlaceHolder.java

@@ -3,5 +3,5 @@ package me.savvy.rixa.data.placeholder;
 /**
  * Created by Timber on 6/4/2017.
  */
-public class PlaceHolder {
+class PlaceHolder {
 }

src/main/java/me/savvy/rixa/enums/Result.java

@@ -8,5 +8,5 @@ public enum Result {
     SUCCESS,
     TRUE,
     FALSE,
-    ERROR;
+    ERROR
 }

src/main/java/me/savvy/rixa/events/MessageEvent.java

@@ -36,6 +36,7 @@ public class MessageEvent {
     @SubscribeEvent
     public void handle(GuildMessageReceivedEvent event) {
         if (event.getGuild() == null) return;
+        if (event.getAuthor().isBot()) return;
         RixaGuild rixaGuild = RixaGuild.getGuild(event.getGuild());
         String prefix = rixaGuild
                 .getGuildSettings()

src/main/java/me/savvy/rixa/guild/RixaGuild.java

@@ -60,7 +60,12 @@ public class RixaGuild {
     }
     
     private boolean checkExists() {
-        Result r = Rixa.getDbManager().checkExists("SELECT `guild_name` FROM `core` WHERE `guild_id` = '" + guild.getId() + "';");
+        Result r = Result.ERROR;
+        try {
+            r = Rixa.getDbManager().checkExists("SELECT `guild_name` FROM `core` WHERE `guild_id` = '" + guild.getId() + "';");
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
         return r == Result.TRUE;
     }
     
@@ -141,7 +146,7 @@ public class RixaGuild {
     @Getter
     private static Map<String, RixaGuild> guilds = new HashMap<>();
 
-    public static void addGuild(RixaGuild guild) {
+    private static void addGuild(RixaGuild guild) {
         if(check(guild.getGuild())) return;
         guilds.put(guild.getGuild().getId(), guild);
     }

src/main/java/me/savvy/rixa/guild/management/GuildSettings.java

@@ -34,16 +34,16 @@ public class GuildSettings {
 
     private void load() throws SQLException {
         if(!checkExists()) {
-            Rixa.getInstance().getDbManager().insert("INSERT INTO `settings` (`guild_id`, `log_enabled`, `log_channel`, `joinMessage`, `quitMessage`, `greetings`, `farewell`," +
+            Rixa.getDbManager().insert("INSERT INTO `settings` (`guild_id`, `log_enabled`, `log_channel`, `joinMessage`, `quitMessage`, `greetings`, `farewell`," +
                     " `prefix`, `joinPm`, `joinVerification`, `defaultRole`, `muteRole`)" +
                     " VALUES ('" + guild.getId() + "', '0', 'default_value', 'default_value', 'default_value', 'default_value', 'default_value', '/'," +
                     " 'default', '0', 'default_value', 'default_value');");
             return;
         }
-        PreparedStatement ps = Rixa.getInstance().getDbManager()
+        PreparedStatement ps = Rixa.getDbManager()
                 .getConnection().prepareStatement("SELECT * FROM `settings` WHERE `guild_id` = ?");
         ps.setString(1, guild.getId());
-        ResultSet set = Rixa.getInstance().getDbManager().getObject(ps);
+        ResultSet set = Rixa.getDbManager().getObject(ps);
         this.prefix = (set.getString("prefix"));
         this.defaultRole = (set.getString("defaultRole"));
         this.joinMessage = (set.getString("joinMessage"));
@@ -57,16 +57,21 @@ public class GuildSettings {
         if(!set.getString("farewell").equalsIgnoreCase("default_value")) {
             quitMessageChannel = guild.getTextChannelById(set.getString("farewell"));
         }
-        ps = Rixa.getInstance().getDbManager()
+        ps = Rixa.getDbManager()
                 .getConnection().prepareStatement("SELECT * FROM `core` WHERE `guild_id` = ?");
         ps.setString(1, guild.getId());
-        set = Rixa.getInstance().getDbManager().getObject(ps);
+        set = Rixa.getDbManager().getObject(ps);
         this.description = (set.getString("description"));
         this.enlisted = (set.getBoolean("enlisted"));
     }
 
     private boolean checkExists() {
-        return Rixa.getInstance().getDbManager().checkExists("SELECT `guild_id` FROM `settings` WHERE `guild_id` = '" + guild.getId() + "'") == Result.TRUE;
+        try {
+            return Rixa.getDbManager().checkExists("SELECT `guild_id` FROM `settings` WHERE `guild_id` = '" + guild.getId() + "'") == Result.TRUE;
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return false;
     }
 
     public void unload() {
@@ -75,56 +80,56 @@ public class GuildSettings {
 
     public void setJoinMessage(String joinMessage) {
         this.joinMessage = joinMessage;
-        Rixa.getInstance().getData().update("settings", "joinMessage", "guild_id", joinMessage, guild.getId());
+        Rixa.getData().update("settings", "joinMessage", "guild_id", joinMessage, guild.getId());
     }
     
     public void setQuitMessage(String quitMessage) {
         this.quitMessage = quitMessage;
-        Rixa.getInstance().getData().update("settings", "quitMessage", "guild_id", quitMessage, guild.getId());
+        Rixa.getData().update("settings", "quitMessage", "guild_id", quitMessage, guild.getId());
     }
     
     public void setJoinPrivateMessage(String joinPrivateMessage) {
         this.joinPrivateMessage = joinPrivateMessage;
-        Rixa.getInstance().getData().update("settings", "joinPM", "guild_id", joinPrivateMessage, guild.getId());
+        Rixa.getData().update("settings", "joinPM", "guild_id", joinPrivateMessage, guild.getId());
     }
     
     public void setJoinMessageChannel(TextChannel joinMessageChannel) {
         this.joinMessageChannel = joinMessageChannel;
-        Rixa.getInstance().getData().update("settings", "greetings", "guild_id", joinMessageChannel.getId(), guild.getId());
+        Rixa.getData().update("settings", "greetings", "guild_id", joinMessageChannel.getId(), guild.getId());
     }
     
     public void setQuitMessageChannel(TextChannel quitMessageChannel) {
         this.quitMessageChannel = quitMessageChannel;
-        Rixa.getInstance().getData().update("settings", "farewell", "guild_id", quitMessageChannel.getId(), guild.getId());
+        Rixa.getData().update("settings", "farewell", "guild_id", quitMessageChannel.getId(), guild.getId());
     }
     
     public void setDefaultRole(String defaultRole) {
         this.defaultRole = defaultRole;
-        Rixa.getInstance().getData().update("settings", "defaultRole", "guild_id", defaultRole, guild.getId());
+        Rixa.getData().update("settings", "defaultRole", "guild_id", defaultRole, guild.getId());
     }
     
     public void setPrefix(String prefix) {
         this.prefix = prefix;
-        Rixa.getInstance().getData().update("settings", "prefix", "guild_id", prefix, guild.getId());
+        Rixa.getData().update("settings", "prefix", "guild_id", prefix, guild.getId());
     }
     
     public void setDescription(String description) {
         this.description = description;
-        Rixa.getInstance().getData().update("core", "description", "guild_id", description, guild.getId());
+        Rixa.getData().update("core", "description", "guild_id", description, guild.getId());
     }
     
     public void setEnlisted(boolean enlisted) {
         this.enlisted = enlisted;
-        Rixa.getInstance().getData().update("core", "enlisted", "guild_id", enlisted, guild.getId());
+        Rixa.getData().update("core", "enlisted", "guild_id", enlisted, guild.getId());
     }
     
     public void setMuteRole(String muteRole) {
         this.muteRole = muteRole;
-        Rixa.getInstance().getData().update("settings", "muteRole", "guild_id", muteRole, guild.getId());
+        Rixa.getData().update("settings", "muteRole", "guild_id", muteRole, guild.getId());
     }
     
     public void setJoinVerification(boolean joinVerification) {
         this.joinVerification = joinVerification;
-        Rixa.getInstance().getData().update("settings", "joinVerification", "guild_id", joinVerification, guild.getId());
+        Rixa.getData().update("settings", "joinVerification", "guild_id", joinVerification, guild.getId());
     }
 }

src/main/java/me/savvy/rixa/guild/user/UserData.java

@@ -104,9 +104,15 @@ public class UserData {
 
     private boolean checkExists() {
         String query = "SELECT `%s` FROM `%s` WHERE `%s` = '%s' AND `%s` = '%s';";
-        Result r = Rixa.getDbManager().checkExists(String.format
+        Result r;
-                (query, "user_id", "levels", "guild_id", guild.getId(), "user_id", user.getId()));
+        try {
+            r = Rixa.getDbManager().checkExists(String.format
+                    (query, "user_id", "levels", "guild_id", guild.getId(), "user_id", user.getId()));
         return r == Result.TRUE;
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return false;
     }
 
     private void insert() {
@@ -115,7 +121,7 @@ public class UserData {
                 .insert(String.format(query, "levels", "guild_id", "user_id", "experience", guild.getId(), user.getId(), 0));
     }
 
-    public void setExperience(int experience) {
+    private void setExperience(int experience) {
         this.experience = experience;
         String query = "UPDATE `%s` SET `%s` = '%s' WHERE `%s` = '%s' AND `%s` = '%s';";
         try {
@@ -129,7 +135,7 @@ public class UserData {
         }
     }
 
-    public int getRandom() {
+    private int getRandom() {
         int i = random.nextInt(25);
         return (i > 15 && i < 25 ? i : getRandom());
     }

src/main/java/me/savvy/rixa/modules/levels/LevelsModule.java

@@ -83,8 +83,13 @@ public class LevelsModule implements RixaModule {
 
     private boolean checkExists() {
         String query = "SELECT `%s` FROM `%s` WHERE `%s` = '%s';";
-        Result r = Rixa.getDbManager().checkExists(String.format
+        Result r = Result.ERROR;
-                (query, "guild_id", "modules", "guild_id", rixaGuild.getGuild().getId()));
+        try {
+            r = Rixa.getDbManager().checkExists(String.format
+                    (query, "guild_id", "modules", "guild_id", rixaGuild.getGuild().getId()));
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
         return r == Result.TRUE;
     }
 

src/main/java/me/savvy/rixa/modules/music/MusicModule.java

@@ -27,7 +27,7 @@ public class MusicModule implements RixaModule {
         this.guild = guild;
         this.enabled = false;
         this.musicRole = "default_value";
-        db = Rixa.getInstance().getDbManager();
+        db = Rixa.getDbManager();
         load();
     }
 
@@ -61,7 +61,7 @@ public class MusicModule implements RixaModule {
 
     public Result setEnabled(boolean val) {
         this.enabled = val;
-        return Rixa.getInstance().getData().update("music", "enabled", "guild_id", val, guild.getId());
+        return Rixa.getData().update("music", "enabled", "guild_id", val, guild.getId());
     }
 
     public boolean isRoleRequired() {
@@ -71,12 +71,17 @@ public class MusicModule implements RixaModule {
 
     public Result setRole(String newRole) {
         this.musicRole = newRole;
-        return Rixa.getInstance().getData().update("music", "music_role", "guild_id", newRole, guild.getId());
+        return Rixa.getData().update("music", "music_role", "guild_id", newRole, guild.getId());
     }
     
     public boolean checkExists() {
-        Result r = Rixa.getInstance().getDbManager().checkExists("SELECT `guild_id` FROM `music` WHERE `guild_id` = '" +
+        Result r = Result.ERROR;
-                        guild.getId() + "';");
+        try {
+            r = Rixa.getDbManager().checkExists("SELECT `guild_id` FROM `music` WHERE `guild_id` = '" +
+                            guild.getId() + "';");
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
         return r == Result.TRUE;
     }
 }

src/main/java/me/savvy/rixa/modules/reactions/handlers/React.java

@@ -7,5 +7,5 @@ import net.dv8tion.jda.core.events.message.react.MessageReactionAddEvent;
  */
 public interface React {
 
-    public void reactionTrigger(MessageReactionAddEvent event);
+    void reactionTrigger(MessageReactionAddEvent event);
 }

src/main/java/me/savvy/rixa/utils/YoutubeSearch.java

@@ -15,7 +15,6 @@ public class YoutubeSearch {
 
     private static final String API_KEY;
     private JSONArray items;
-    private final String YOUTUBE_WATCH_BASE_URL = "https://www.youtube.com/watch?v=";
 
     static {
         API_KEY = "AIzaSyD1wjRGbzKgvjqAU25pREy1dVio9WpcuS0";
@@ -83,6 +82,7 @@ public class YoutubeSearch {
     }
 
     public String getUrl(int index) {
+        String YOUTUBE_WATCH_BASE_URL = "https://www.youtube.com/watch?v=";
         return YOUTUBE_WATCH_BASE_URL + getVideoId(index);
     }