feat: add query script

minecraft/Scripts/minecraft-template-user-activity.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DATA_DIR="@DATA_DIR@"
+SERVER_NAME="@SERVER_NAME@"
+
+# Provided by systemd Environment
+QUERY_BIN="${QUERY_BIN:-minecraft-${SERVER_NAME}-query}"
+
+ACTIVITY_FILE="$DATA_DIR/$SERVER_NAME/UserActivity"
+TIMESTAMP="$(date '+%Y-%m-%d %H:%M:%S')"
+
+mkdir -p "$(dirname "$ACTIVITY_FILE")"
+touch "$ACTIVITY_FILE"
+
+OUTPUT="$($QUERY_BIN || true)"
+
+PLAYER_LINE="$(echo "$OUTPUT" | grep '^players:' || true)"
+
+ONLINE="$(echo "$PLAYER_LINE" | awk '{print $2}' | cut -d/ -f1)"
+
+if [[ -z "$ONLINE" || "$ONLINE" == "0" ]]; then
+  echo "[$TIMESTAMP] No user detected" >> "$ACTIVITY_FILE"
+  exit 0
+fi
+
+PLAYERS="$(echo "$PLAYER_LINE" | sed -n 's/.*\[\(.*\)\]/\1/p')"
+
+IFS=',' read -ra PLAYER_ARRAY <<< "$PLAYERS"
+
+for player in "${PLAYER_ARRAY[@]}"; do
+  player="$(echo "$player" | xargs)"
+  [[ -n "$player" ]] && echo "[$TIMESTAMP] $player was logged in" >> "$ACTIVITY_FILE"
+done