project_vollidioten_mod/src/main/java/ceratic/projectvollidioten/Projectvollidioten.java

package ceratic.projectvollidioten;

import net.fabricmc.api.ModInitializer;
import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
import net.minecraft.server.MinecraftServer;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Projectvollidioten implements ModInitializer {
	public static final String MOD_ID = "projectvollidioten";

	// This logger is used to write text to the console and the log file.
	// It is considered best practice to use your mod id as the logger's name.
	// That way, it's clear which mod wrote info, warnings, and errors.
	public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);

	private GithubResourcePackUpdater updater;

	@Override
	public void onInitialize() {
		// This code runs as soon as Minecraft is in a mod-load-ready state.
		// However, some things (like resources) may still be uninitialized.
		// Proceed with mild caution.

		LOGGER.info("Hello Fabric world!");

        ServerLifecycleEvents.SERVER_STARTED.register(this::onServerStart);
        ServerLifecycleEvents.SERVER_STOPPING.register(this::onServerStop);

		// Event: Player Join
		ServerPlayConnectionEvents.JOIN.register((handler, sender, server) -> {
			PlayerDataLogger.sendPlayerData(handler.getPlayer(), server, "JOIN");
		});

		// Event: Player Leave
		ServerPlayConnectionEvents.DISCONNECT.register((handler, server) -> {
			PlayerDataLogger.sendPlayerData(handler.getPlayer(), server, "LEAVE");
		});
	}

    private void onServerStart(MinecraftServer server) {
        updater = new GithubResourcePackUpdater(server);
        updater.start();
    }

    private void onServerStop(MinecraftServer server) {
        if (updater != null) {
            updater.stop();
        }
    }
}