feat: added basic system, added some test commands, added TokenManager

.gitignore

@@ -1,2 +1,3 @@
 /.idea/
 /.gradle/
+/data/token.judd

build.gradle.kts

@@ -1,9 +1,10 @@
 plugins {
-    id("java")
+    java
+    id("com.github.johnrengelman.shadow") version "7.1.2"
 }
 
 group = "de.limited_dev"
-version = "1.0.0"
+version = "0.1.0-alpha"
 
 repositories {
     mavenCentral()
@@ -12,8 +13,40 @@ repositories {
 dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.1")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.1")
+    implementation("net.dv8tion:JDA:5.0.0-alpha.20")
 }
 
 tasks.getByName<Test>("test") {
     useJUnitPlatform()
+}
+
+tasks.withType<Jar> {
+    manifest {
+        attributes["Main-Class"] = "de.limited_dev.lil_judd.Main"
+    }
+    // To add all of the dependencies
+    from(sourceSets.main.get().output)
+
+    dependsOn(configurations.runtimeClasspath)
+    from({
+        configurations.runtimeClasspath.get().filter { it.name.endsWith("jar") }.map { zipTree(it) }
+    })
+}
+
+
+tasks.withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
+    dependencies {
+        include(dependency("net.dv8tion:JDA:5.0.0-alpha.20"))
+        //include(dependency("com.sedmelluq:lavaplayer:1.3.77"))
+    }
+
+}
+
+tasks.withType<JavaCompile>{
+    options.encoding = "UTF-8"
+}
+
+java{
+    sourceCompatibility = org.gradle.api.JavaVersion.VERSION_17
+    targetCompatibility = org.gradle.api.JavaVersion.VERSION_17
 }

src/main/java/de/limited_dev/lil_judd/Main.java

@@ -1,7 +1,54 @@
 package de.limited_dev.lil_judd;
 
-public class Main {
+import de.limited_dev.lil_judd.listeners.GuildStateListener;
-    public static void main(String[] args){
+import de.limited_dev.lil_judd.listeners.ReadyListener;
+import de.limited_dev.lil_judd.listeners.SlashCommandInteractionListener;
+import de.limited_dev.lil_judd.util.Logger;
+import de.limited_dev.lil_judd.util.managers.TokenManager;
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.JDABuilder;
+import net.dv8tion.jda.api.OnlineStatus;
+import net.dv8tion.jda.api.entities.Activity;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.interactions.commands.build.Commands;
 
+public class Main {
+    private static JDA jda;
+    private static Logger lgr = new Logger();
+    private static final TokenManager tokenManager = TokenManager.getInstance();
+    private static long launchTime;
+
+    public static void main(String[] args){
+        lgr.info("li'l Judd is waking up ...");
+
+        launchTime = System.currentTimeMillis();
+
+        tokenManager.load();
+
+        jda = JDABuilder.createDefault(tokenManager.getToken())
+                .setActivity(Activity.watching("You"))
+                .setStatus(OnlineStatus.DO_NOT_DISTURB)
+                .build();
+
+        jda.addEventListener(new ReadyListener());
+        jda.addEventListener(new SlashCommandInteractionListener());
+        jda.addEventListener(new GuildStateListener());
+
+
+        try {
+            jda.awaitReady();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+
+        lgr.info("Ready to take over the world");
+    }
+
+    public static JDA getJda() {
+        return jda;
+    }
+
+    public static Logger getLgr() {
+        return lgr;
     }
 }

src/main/java/de/limited_dev/lil_judd/listeners/GuildStateListener.java

@@ -0,0 +1,26 @@
+package de.limited_dev.lil_judd.listeners;
+
+import de.limited_dev.lil_judd.Main;
+import de.limited_dev.lil_judd.util.Logger;
+import de.limited_dev.lil_judd.util.SlashCommandHelper;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.events.guild.GuildJoinEvent;
+import net.dv8tion.jda.api.events.guild.GuildLeaveEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.jetbrains.annotations.NotNull;
+
+public class GuildStateListener extends ListenerAdapter {
+    private Logger lgr = Main.getLgr();
+
+    @Override
+    public void onGuildJoin(@NotNull GuildJoinEvent event) {
+        lgr.info("I have been added to a guild.");
+        Guild g = event.getGuild();
+        SlashCommandHelper.addSlashCommandsToGuild(g);
+    }
+
+    @Override
+    public void onGuildLeave(@NotNull GuildLeaveEvent event) {
+        lgr.info("I have been removed from a guild.");
+    }
+}

src/main/java/de/limited_dev/lil_judd/listeners/ReadyListener.java

@@ -0,0 +1,18 @@
+package de.limited_dev.lil_judd.listeners;
+
+import de.limited_dev.lil_judd.Main;
+import de.limited_dev.lil_judd.util.Logger;
+import net.dv8tion.jda.api.events.ReadyEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.jetbrains.annotations.NotNull;
+
+public class ReadyListener extends ListenerAdapter {
+    private final Logger lgr = Main.getLgr();
+
+    @Override
+    public void onReady(@NotNull ReadyEvent event) {
+        String usernameOfSelf = Main.getJda().getSelfUser().getName();
+        lgr.info("Logged into: " + usernameOfSelf);
+        lgr.info(usernameOfSelf + " is ready for Freddy");
+    }
+}

src/main/java/de/limited_dev/lil_judd/listeners/SlashCommandInteractionListener.java

@@ -0,0 +1,20 @@
+package de.limited_dev.lil_judd.listeners;
+
+import de.limited_dev.lil_judd.Main;
+import de.limited_dev.lil_judd.util.EmbeddedMessageHelper;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.jetbrains.annotations.NotNull;
+
+public class SlashCommandInteractionListener extends ListenerAdapter {
+
+    @Override
+    public void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {
+        if(event.getName().equals("ping")){
+            event.reply("My connection to the home base takes **" + Main.getJda().getGatewayPing() + "ms**").queue();
+        }
+        else if(event.getName().equals("info")){
+            EmbeddedMessageHelper.sendSimpleOneLiner(event, Main.getJda().getSelfUser().getName(), "Bot information","I'm li'l Judd. I'm better then him, and you know it.", "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fvignette.wikia.nocookie.net%2Fsplatoon%2Fimages%2Fa%2Fa3%2FLittle_Judd_Animated.gif%2Frevision%2Flatest%3Fcb%3D20170605172120&f=1&nofb=1&ipt=f6197a3fdaf8bd6755347ba4e4c67a91320ff047969a9fa1ef4ee3bc88840ffe&ipo=images");
+        }
+    }
+}

src/main/java/de/limited_dev/lil_judd/util/EmbeddedMessageHelper.java

@@ -0,0 +1,26 @@
+package de.limited_dev.lil_judd.util;
+
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.events.Event;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+
+import java.awt.*;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class EmbeddedMessageHelper {
+    private static final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("HH:mm:ss | dd/MM/yyyy");
+
+    public static void sendSimpleOneLiner(SlashCommandInteractionEvent event, String author, String title, String description, String thumbnailURL){
+        LocalDateTime now = LocalDateTime.now();
+        EmbedBuilder eb = new EmbedBuilder();
+
+        eb.setAuthor(author);
+        eb.setTitle(title);
+        eb.setColor(Color.ORANGE);
+        eb.setDescription(description);
+        eb.setThumbnail(thumbnailURL);
+        eb.setFooter(">" + dtf.format(now) + " - " + event.getUser().getName() + "#" + event.getUser().getDiscriminator());
+        event.replyEmbeds(eb.build()).queue();
+    }
+}

src/main/java/de/limited_dev/lil_judd/util/Logger.java

@@ -0,0 +1,20 @@
+package de.limited_dev.lil_judd.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class Logger {
+    private final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yy/MM/dd HH:mm:ss");
+    public void info(String msg) {
+        StackTraceElement caller = Thread.currentThread().getStackTrace()[2];
+        LocalDateTime now = LocalDateTime.now();
+        try {
+            System.out.println("[" + Class.forName(caller.getClassName()).getSimpleName() + "." +
+                    caller.getMethodName() + ":" + caller.getLineNumber() + "] [" + dtf.format(now) + "] <" + msg + ">");
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+        // Ich kann nicht mehr
+        // [Klasse.Funktion] [T/M HH:MM] <NACHRICHT>
+    }
+}

src/main/java/de/limited_dev/lil_judd/util/SlashCommandHelper.java

@@ -0,0 +1,14 @@
+package de.limited_dev.lil_judd.util;
+
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.interactions.commands.build.Commands;
+
+public class SlashCommandHelper {
+
+    public static void addSlashCommandsToGuild(Guild g){
+        g.updateCommands().addCommands(
+                Commands.slash("ping", "Pong! Display the Ping"),
+                Commands.slash("info", "Shows Info about me")
+        ).queue();
+    }
+}

src/main/java/de/limited_dev/lil_judd/util/managers/TokenManager.java

@@ -0,0 +1,71 @@
+package de.limited_dev.lil_judd.util.managers;
+
+import java.io.*;
+import java.util.Properties;
+
+public class TokenManager {
+
+    private static TokenManager tokenManager;
+    private final String basePath = "./data/";
+    private final String filename = "token.judd";
+    private final String filePath = basePath + filename;
+    private String token;
+
+    public static TokenManager getInstance(){
+        if(tokenManager == null){
+            tokenManager = new TokenManager();
+        }
+        return tokenManager;
+    }
+
+    public void load(){
+        File dir = new File(basePath);
+        if(!dir.exists()){
+            save();
+            return;
+        }
+        File configFile = new File(dir, filename);
+        if(!configFile.exists()){
+            save();
+            return;
+        }
+        try{
+            InputStream input = new FileInputStream(filePath);
+            Properties prop = new Properties();
+
+            prop.load(input);
+            token = prop.getProperty("token").equals("empty") ? null : prop.getProperty("token");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void save(){
+        File dir = new File(basePath);
+        if(!dir.exists()){
+            dir.mkdirs();
+        }
+        File configFile = new File(dir, filename);
+        if(!configFile.exists()){
+            try{
+                configFile.createNewFile();
+            } catch(IOException e){
+                e.printStackTrace();
+            }
+        }
+        try{
+            OutputStream output = new FileOutputStream(filePath);
+            Properties prop = new Properties();
+
+            prop.setProperty("token", "empty");
+
+            prop.store(output, null);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String getToken() {
+        return token;
+    }
+}