introduce nginex-proxy

use host ip if working in wsl

server/mqtt_multitopic_receiver.py

@@ -1,15 +1,19 @@
+import sys
+sys.path.append('/workspace')
 import os
 import json
 import base64
 import glob
-from datetime import datetime, timezone
-# import paho.mqtt.client as mqtt
+from datetime import datetime
 from paho.mqtt import client as mqtt_client
-import pytz
 from sqlalchemy import create_engine, func
 from sqlalchemy.orm import sessionmaker
 from models import Client, Base
 from helpers.check_folder import ensure_folder_exists
+import shutil
+
+# Basisverzeichnis relativ zum aktuellen Skript
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
 # Konfiguration
 MQTT_BROKER = os.getenv("MQTT_BROKER_HOST", "localhost")
@@ -27,24 +31,26 @@ topics = [
     ("infoscreen/heartbeat", 0),
     # ... weitere Topics hier
 ]
-SAVE_DIR = "received_screenshots"
+
+# Verzeichnisse für Screenshots
+RECEIVED_DIR = os.path.join(BASE_DIR, "received_screenshots")
+LATEST_DIR = os.path.join(BASE_DIR, "screenshots")
 MAX_PER_CLIENT = 20
 
-# Ordner für empfangene Screenshots anlegen
-ensure_folder_exists(SAVE_DIR)
+# Ordner für empfangene Screenshots und den neuesten Screenshot anlegen
+ensure_folder_exists(RECEIVED_DIR)
+ensure_folder_exists(LATEST_DIR)
 
 # Datenbank konfigurieren (MariaDB)
-# Ersetze user, password, host und datenbankname entsprechend.
 DB_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}/{DB_NAME}"
 engine = create_engine(DB_URL, echo=False)
 Session = sessionmaker(bind=engine)
-# Falls Tabellen noch nicht existieren
 Base.metadata.create_all(engine)
 
 
 def prune_old_screenshots(client_id: str):
     """Löscht alte Screenshots, wenn mehr als MAX_PER_CLIENT vorhanden sind."""
-    pattern = os.path.join(SAVE_DIR, f"{client_id}_*.jpg")
+    pattern = os.path.join(RECEIVED_DIR, f"{client_id}_*.jpg")
     files = sorted(glob.glob(pattern), key=os.path.getmtime)
     while len(files) > MAX_PER_CLIENT:
         oldest = files.pop(0)
@@ -68,12 +74,17 @@ def handle_screenshot(msg):
 
         # Dateiname mit Client-ID und Zeitstempel
         filename = ts.strftime(f"{client_id}_%Y%m%d_%H%M%S.jpg")
-        filepath = os.path.join(SAVE_DIR, filename)
+        received_path = os.path.join(RECEIVED_DIR, filename)
 
-        # Bild speichern
-        with open(filepath, "wb") as f:
+        # Bild im Verzeichnis "received_screenshots" speichern
+        with open(received_path, "wb") as f:
             f.write(img_data)
-        print(f"Bild gespeichert: {filepath}")
+        print(f"Bild gespeichert: {received_path}")
+
+        # Kopiere den neuesten Screenshot in das Verzeichnis "screenshots"
+        latest_path = os.path.join(LATEST_DIR, f"{client_id}.jpg")
+        shutil.copy(received_path, latest_path)
+        print(f"Neuester Screenshot aktualisiert: {latest_path}")
 
         # Alte Screenshots beschneiden
         prune_old_screenshots(client_id)
@@ -81,6 +92,7 @@ def handle_screenshot(msg):
     except Exception as e:
         print("Fehler beim Verarbeiten der Screenshot-Nachricht:", e)
 
+
 def handle_heartbeat(msg):
     """Verarbeitet Heartbeat und aktualisiert oder legt Clients an."""
     session = Session()
@@ -100,7 +112,6 @@ def handle_heartbeat(msg):
         else:
             # Neuer Client: Location per input abfragen
             location = input(f"Neuer Client {uuid} gefunden. Bitte Standort eingeben: ")
-            # ip_address = msg._sock.getpeername()[0]
             new_client = Client(
                 uuid=uuid,
                 hardware_hash=hardware_hash,