add invite command

src/main/java/cc/fascinated/bat/command/impl/InviteCommand.java

@@ -0,0 +1,32 @@
+package cc.fascinated.bat.command.impl;
+
+import cc.fascinated.bat.command.BatCommand;
+import cc.fascinated.bat.common.EmbedUtils;
+import cc.fascinated.bat.model.BatGuild;
+import cc.fascinated.bat.model.BatUser;
+import lombok.NonNull;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.interactions.commands.SlashCommandInteraction;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Component
+public class InviteCommand extends BatCommand {
+    private static final String INVITE_URL = "https://discord.com/oauth2/authorize?client_id=1254161119975833652&permissions=8&integration_type=0&scope=bot+applications.commands";
+
+    public InviteCommand() {
+        super("invite", "Invite the bot to your server!");
+    }
+
+    @Override
+    public void execute(BatGuild guild, @NonNull BatUser user, @NonNull MessageChannel channel, Member member, @NonNull SlashCommandInteraction interaction) {
+        interaction.replyEmbeds(EmbedUtils.genericEmbed()
+                        .setDescription("You can invite the bot to your server by clicking [here](%s)".formatted(INVITE_URL))
+                        .build())
+                .setEphemeral(true)
+                .queue();
+    }
+}

src/main/java/cc/fascinated/bat/service/GuildService.java

@@ -83,7 +83,8 @@ public class GuildService extends ListenerAdapter {
 
     @Override
     public final void onGuildJoin(GuildJoinEvent event) {
-        log.info("Joined guild \"{}\"", event.getGuild().getId());
+        Guild guild = event.getGuild();
-        getGuild(event.getGuild().getId()); // Ensure the guild is in the database
+        log.info("Joined guild \"{}\"", guild.getId());
+        getGuild(guild.getId()); // Ensure the guild is in the database
     }
 }