Update 34 files

- /nfc/README.md
- /nfc/clean_old_logs.sh
- /nfc/clockin.py
- /nfc/emptycards.py
- /nfc/sync_clocks.sh
- /piservices/Dockerfile
- /piservices/Portainer-lamp-stack.env
- /piservices/Portainer-lamp-stack.yaml
- /piservices/README.md
- /piservices/avahi-alias.service
- /piservices/clockpy.service
- /piservices/emptycards.service
- /piservices/nfc-sync.service
- /piservices/test.sh
- /www/404
- /www/get-table-data.php
- /www/habiwan copy.png
- /www/habiwan.png
- /www/index.php
- /www/log_swipe.php
- /www/manage_data.php
- /www/manifest.json
- /www/names.csv
- /www/network_audit.csv
- /www/network-tracker.html
- /www/nfc_debug.log
- /www/scanner.html
- /www/staff_names.php
- /www/times.csv
- /www/check_update.php
- /www/dev.php
- /www/favicon.png
- /www/JsBarcode.all.min.js
- /www/README.md

nfc/clean_old_logs.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+# added sudo crontab to the pi to trim old data at 2 am:
+# 0 2 * * * /bin/bash /home/YOURPIUSER/nfc/clean_old_logs.sh >/dev/null 2>&1
+
+TIMES_FILE="/home/YOURPIUSER/nfc/times.csv"
+
+# 1. Get the date 6 months ago (for testing)
+LOG_CUTOFF=$(date -d "6 months ago" +%Y-%m-%d)
+
+# 2. Filter using universally compatible literal matching
+awk -v cutoff="$LOG_CUTOFF" '
+{
+    if (match($0, /[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]/)) {
+        date_part = substr($0, RSTART, RLENGTH)
+        if (date_part < cutoff) {
+            next
+        }
+    }
+    print $0
+}' "$TIMES_FILE" > "${TIMES_FILE}.tmp"
+
+# 3. Safely replace the file
+mv "${TIMES_FILE}.tmp" "$TIMES_FILE"
+
+# 4. Force the sync script to grab the new file inode
+systemctl restart nfc-sync.service