+ update emblemed support in iframe and list view

main.py

@@ -3,16 +3,17 @@ import requests
 import socket
 import threading
 import logging
-import time
+import time, math
 import warnings
-from datetime import datetime
+from datetime import datetime, timezone, timedelta
 from typing import Optional, Tuple
 from urllib.parse import urlparse
 
-from flask import Flask, render_template, flash, redirect, url_for, request
-from flask_admin import Admin, AdminIndexView
+from flask import Flask, render_template, flash, redirect, url_for, request, make_response
+from flask_admin import Admin, AdminIndexView, BaseView, expose
 from flask_admin.contrib.sqla import ModelView
 from flask_login import LoginManager, UserMixin, login_user, logout_user, current_user, login_required
+from flask_admin.menu import MenuLink
 from flask_migrate import Migrate, upgrade
 from flask_sqlalchemy import SQLAlchemy
 from flask_wtf import FlaskForm
@@ -91,6 +92,7 @@ class Monitor(db.Model):
     url = db.Column(db.String(200), nullable=False)
     keyword = db.Column(db.String(100), nullable=True)
     port = db.Column(db.Integer, nullable=True)
+    position = db.Column(db.Integer, nullable=False, default=0, server_default='0')
     status_override = db.Column(db.String(50), nullable=True)
     status_override_message = db.Column(db.Text, nullable=True)
 
@@ -104,7 +106,7 @@ class UptimeLog(db.Model):
     """Modell zum Protokollieren des Uptime-Status."""
     id = db.Column(db.Integer, primary_key=True)
     monitor_id = db.Column(db.Integer, db.ForeignKey('monitor.id'), nullable=False)
-    timestamp = db.Column(db.DateTime, default=datetime.utcnow, index=True)
+    timestamp = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc), index=True)
     status_code = db.Column(db.Integer, nullable=True)
     is_up = db.Column(db.Boolean, nullable=False)
 
@@ -156,6 +158,14 @@ class SecureAdminIndexView(SecureView, AdminIndexView):
     pass
 
 
+class EmbedInfoView(SecureView, BaseView):
+    """Eine gesicherte Admin-Ansicht, die den iFrame-Einbettungscode anzeigt."""
+    @expose('/')
+    def index(self):
+        # 'render' wird von BaseView bereitgestellt und injiziert den Admin-Kontext
+        return self.render('admin/embed_info.html')
+
+
 class MonitorModelView(SecureModelView):
     """Angepasste Admin-Ansicht für Monitore."""
     form_overrides = {
@@ -188,11 +198,11 @@ class MonitorModelView(SecureModelView):
             'validators': [VOptional()],
         },
     }
-    column_list = ('name', 'monitor_type', 'status_override', 'url', 'port')
-    form_columns = ('name', 'monitor_type', 'url', 'port', 'keyword', 'status_override', 'status_override_message')
+    column_list = ('name', 'monitor_type', 'position', 'status_override', 'url', 'port')
+    form_columns = ('name', 'monitor_type', 'position', 'url', 'port', 'keyword', 'status_override', 'status_override_message')
     column_labels = dict(
         name='Name', monitor_type='Typ', url='URL/Host', port='Port', keyword='Keyword',
-        status_override='Manueller Status', status_override_message='Status-Nachricht'
+        position='Position', status_override='Manueller Status', status_override_message='Status-Nachricht'
     )
 
     def on_model_change(self, form, model, is_created):
@@ -216,10 +226,17 @@ class MonitorModelView(SecureModelView):
 admin = Admin(app, name='Uptime Stats Admin', template_mode='bootstrap4', index_view=SecureAdminIndexView())
 admin.add_view(MonitorModelView(Monitor, db.session, name="Monitore"))
 admin.add_view(SecureModelView(User, db.session, name="Administratoren", endpoint='user_admin'))
+admin.add_view(EmbedInfoView(name='Einbettungs-Info', endpoint='embed-info'))
 
 
 # --- Web-Routen ---
 
+@app.context_processor
+def inject_now():
+    """Stellt das aktuelle UTC-Datum für alle Templates zur Verfügung."""
+    return {'now': datetime.now(timezone.utc)}
+
+
 @app.route('/')
 def index():
     """Öffentliche Statusseite."""
@@ -237,11 +254,72 @@ def index():
         UptimeLog,
         (UptimeLog.monitor_id == latest_log_subquery.c.monitor_id) &
         (UptimeLog.timestamp == latest_log_subquery.c.max_timestamp)
-    ).order_by(Monitor.name).all()
+    ).order_by(Monitor.position, Monitor.name).all()
 
     return render_template('index.html', monitors_with_status=monitors_with_status)
 
 
+@app.route('/status')
+def status():
+    """Erstellt eine für iFrames optimierte Status-Tabellenseite."""
+    latest_log_subquery = db.session.query(
+        UptimeLog.monitor_id,
+        func.max(UptimeLog.timestamp).label('max_timestamp')
+    ).group_by(UptimeLog.monitor_id).subquery()
+
+    monitors_with_status = db.session.query(
+        Monitor,
+        UptimeLog
+    ).outerjoin(
+        latest_log_subquery, Monitor.id == latest_log_subquery.c.monitor_id
+    ).outerjoin(
+        UptimeLog,
+        (UptimeLog.monitor_id == latest_log_subquery.c.monitor_id) &
+        (UptimeLog.timestamp == latest_log_subquery.c.max_timestamp)
+    ).order_by(Monitor.position, Monitor.name).all()
+    
+    response = make_response(render_template('status.html', monitors_with_status=monitors_with_status))
+    response.headers.pop('X-Frame-Options', None)
+    return response
+
+@app.route('/monitor/<int:monitor_id>')
+def monitor_details(monitor_id: int):
+    """Zeigt Detailinformationen und Statistiken für einen einzelnen Monitor."""
+    monitor = db.session.get(Monitor, monitor_id)
+    if not monitor:
+        return "Monitor nicht gefunden", 404
+
+    now = datetime.now(timezone.utc)
+    
+    # Statistik für 24 Stunden
+    start_24h = now - timedelta(hours=24)
+    logs_24h = db.session.scalars(
+        db.select(UptimeLog).where(
+            UptimeLog.monitor_id == monitor_id,
+            UptimeLog.timestamp >= start_24h
+        )
+    ).all()
+    total_checks_24h = len(logs_24h)
+    up_checks_24h = sum(1 for log in logs_24h if log.is_up)
+    uptime_24h = (up_checks_24h / total_checks_24h * 100) if total_checks_24h > 0 else 100
+
+    # Statistik für 30 Tage
+    start_30d = now - timedelta(days=30)
+    logs_30d = db.session.scalars(
+        db.select(UptimeLog).where(
+            UptimeLog.monitor_id == monitor_id,
+            UptimeLog.timestamp >= start_30d
+        )
+    ).all()
+    total_checks_30d = len(logs_30d)
+    up_checks_30d = sum(1 for log in logs_30d if log.is_up)
+    uptime_30d = (up_checks_30d / total_checks_30d * 100) if total_checks_30d > 0 else 100
+
+    return render_template('monitor_details.html', monitor=monitor,
+                           uptime_24h=uptime_24h, uptime_30d=uptime_30d,
+                           total_checks_24h=total_checks_24h, total_checks_30d=total_checks_30d)
+
+
 @app.route('/login', methods=['GET', 'POST'])
 def login():
     if current_user.is_authenticated:
@@ -328,14 +406,14 @@ def check_monitors(monitor_id: Optional[int] = None):
         query = db.select(Monitor)
         if monitor_id:
             query = query.where(Monitor.id == monitor_id)
-            app.logger.info(f"[{datetime.now()}] Starte Prüfung für Monitor ID {monitor_id}...")
+            app.logger.info(f"[{datetime.now(timezone.utc)}] Starte Prüfung für Monitor ID {monitor_id}...")
         else:
-            app.logger.info(f"[{datetime.now()}] Starte periodische Überprüfung...")
+            app.logger.info(f"[{datetime.now(timezone.utc)}] Starte periodische Überprüfung...")
 
         monitors = db.session.scalars(query).all()
         if not monitors:
             if not monitor_id:
-                app.logger.info(f"[{datetime.now()}] Keine Monitore zur Überprüfung gefunden.")
+                app.logger.info(f"[{datetime.now(timezone.utc)}] Keine Monitore zur Überprüfung gefunden.")
             return
 
         for monitor in monitors:
@@ -348,7 +426,7 @@ def check_monitors(monitor_id: Optional[int] = None):
             db.session.add(log_entry)
 
         db.session.commit()
-        app.logger.info(f"[{datetime.now()}] Überprüfung abgeschlossen.")
+        app.logger.info(f"[{datetime.now(timezone.utc)}] Überprüfung abgeschlossen.")
 
 
 def run_checks_periodically(interval: int = None):
@@ -374,17 +452,14 @@ def init_app():
 
     with app.app_context():
         app.logger.info("Führe Datenbank-Migrationen aus...")
-        migrations_dir = os.path.join(basedir, 'migrations')
-        ran_migrations = False
         try:
-            if os.path.isdir(migrations_dir):
+            # Wendet ausstehende Datenbank-Migrationen an.
+            # Dies aktualisiert das Schema auf den neuesten Stand.
             upgrade()
-                ran_migrations = True
-                app.logger.info("Migrationen abgeschlossen.")
-            else:
-                app.logger.warning("Kein migrations/-Ordner gefunden – überspringe Alembic upgrade.")
+            app.logger.info("Datenbank-Migrationen erfolgreich angewendet.")
         except Exception as e:
-            app.logger.warning(f"Alembic upgrade fehlgeschlagen: {e}")
+            app.logger.error(f"Anwenden der Datenbank-Migrationen fehlgeschlagen: {e}")
+            app.logger.info("Versuche, Tabellen mit db.create_all() zu erstellen, falls sie nicht existieren.")
 
         # Sicherstellen, dass alle Tabellen existieren – Fallback für frische Setups ohne Migrations
         insp = inspect(db.engine)

migrations/versions/fe9c4d25c5da_auto_detect_model_changes.py

@@ -0,0 +1,32 @@
+"""Auto-detect model changes
+
+Revision ID: fe9c4d25c5da
+Revises: 
+Create Date: 2025-10-06 12:00:18.340503
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'fe9c4d25c5da'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('monitor', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('position', sa.Integer(), server_default='0', nullable=False))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('monitor', schema=None) as batch_op:
+        batch_op.drop_column('position')
+
+    # ### end Alembic commands ###

templates/_footer.html

@@ -0,0 +1,11 @@
+<footer class="footer mt-auto py-3 bg-light border-top">
+    <div class="container text-center">
+        <span class="text-muted">
+            &copy; {{ now.year }} <a href="https://rl-dev.de" target="_blank" class="text-decoration-none">rl-dev.de</a>
+        </span>
+        <span class="mx-2 text-muted">|</span>
+        <a href="https://git.rl-dev.de/Robin/Uptime-Stats" target="_blank" class="text-decoration-none text-muted">
+            <i class="bi bi-git"></i> Source Code
+        </a>
+    </div>
+</footer>

templates/_status_badge.html

@@ -0,0 +1,13 @@
+<td>
+    {% if monitor.status_override == 'MAINTENANCE' %}
+        <span class="badge bg-primary">Wartung <i class="bi bi-tools"></i></span>
+    {% elif monitor.status_override == 'DEGRADED' %}
+        <span class="badge bg-warning text-dark">Probleme <i class="bi bi-exclamation-triangle"></i></span>
+    {% elif last_log and last_log.is_up %}
+        <span class="badge bg-success status-badge">Up <i class="bi bi-check-circle"></i></span>
+    {% elif last_log and not last_log.is_up %}
+        <span class="badge bg-danger status-badge">Down <i class="bi bi-x-circle"></i></span>
+    {% else %}
+        <span class="badge bg-secondary">Unbekannt <i class="bi bi-question-circle"></i></span>
+    {% endif %}
+</td>

templates/admin/embed_info.html

@@ -0,0 +1,16 @@
+{% extends 'admin/master.html' %}
+
+{% block body %}
+  <h1>iFrame-Einbettungscode</h1>
+  <p>Kopieren Sie den folgenden HTML-Code, um die Status-Tabelle auf einer anderen Seite oder in Ihrem Intranet einzubetten:</p>
+
+  <div class="card">
+    <div class="card-body bg-light">
+      <pre><code>&lt;iframe src="{{ url_for('status', _external=True) }}" style="width: 100%; height: 400px; border: none;"&gt;&lt;/iframe&gt;</code></pre>
+    </div>
+  </div>
+
+  <p class="mt-4">
+    <a href="{{ url_for('admin.index') }}" class="btn btn-primary"><i class="bi bi-arrow-left"></i> Zurück zum Dashboard</a>
+  </p>
+{% endblock %}

templates/index.html

@@ -1,78 +1,86 @@
+<!doctype html>
+<html lang="de">
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Uptime Status</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <style>
+        .status-badge.bg-danger {
+            animation: pulse-red 1.5s infinite;
+        }
+        @keyframes pulse-green {
+            0% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.7); }
+            70% { box-shadow: 0 0 0 10px rgba(25, 135, 84, 0); }
+            100% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0); }
+        }
+        @keyframes pulse-red {
+            0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
+            70% { box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
+            100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
+        }
+    </style>
+</head>
+<body class="d-flex flex-column vh-100">
+    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+        <div class="container">
+                <i class="bi bi-bar-chart-line-fill"></i> Uptime Status
+            </a>
+            <div class="ms-auto">
+                <a href="{{ url_for('admin.index') }}" class="btn btn-outline-light">
+                    <i class="bi bi-person-circle"></i> Admin-Bereich
+                </a>
+            </div>
+        </div>
+    </nav>
 
-{% extends 'layout.html' %}
-
-{% block title %}Statusübersicht - Uptime Stats{% endblock %}
-
-{% block content %}
-<div class="container">
+    <main class="container mt-4 flex-grow-1">
         <h1 class="mb-4">Statusübersicht</h1>
 
-    {% if not monitors %}
+        {% if not monitors_with_status %}
             <div class="alert alert-info text-center">
-            <h4>Noch keine Monitore konfiguriert.</h4>
-            <p>Bitte fügen Sie im <a href="{{ url_for('admin.index') }}" class="alert-link">Admin-Bereich</a> einen Monitor hinzu, um mit der Überwachung zu beginnen.</p>
+                <h4>Keine Monitore konfiguriert.</h4>
+                <p>Bitte loggen Sie sich in den <a href="{{ url_for('admin.index') }}" class="alert-link">Admin-Bereich</a> ein, um neue Monitore hinzuzufügen.</p>
             </div>
         {% else %}
-        <div class="row">
-            {% for monitor in monitors %}
-            <div class="col-lg-4 col-md-6 mb-4">
-                <div class="card h-100 shadow-sm">
-                    <div class="card-body">
-                        <h5 class="card-title d-flex justify-content-between">
-                            {{ monitor.name }}
-                            
-                            {# Manuelle Statusanzeige priorisieren #}
-                            {% if monitor.status_override == 'MAINTENANCE' %}
-                                <span class="badge bg-primary status-badge">Wartung <i class="bi bi-tools"></i></span>
-                            {% elif monitor.status_override == 'DEGRADED' %}
-                                <span class="badge bg-warning text-dark status-badge">Probleme <i class="bi bi-exclamation-triangle"></i></span>
-                            {% elif monitor.status_override == 'OPERATIONAL' %}
-                                <span class="badge bg-success status-badge">Funktionsfähig <i class="bi bi-check-circle"></i></span>
-
-                            {# Automatische Statusanzeige, wenn kein manueller Status gesetzt ist #}
-                            {% elif monitor.is_up == True %}
-                                <span class="badge bg-success status-badge">Up <i class="bi bi-check-circle"></i></span>
-                            {% elif monitor.is_up == False %}
-                                <span class="badge bg-danger status-badge">Down <i class="bi bi-x-circle"></i></span>
-                            {% else %}
-                                <span class="badge bg-secondary status-badge">Unbekannt <i class="bi bi-question-circle"></i></span>
-                            {% endif %}
-                        </h5>
-
-                        {# Status-Nachricht anzeigen, wenn vorhanden #}
+            <div class="table-responsive">
+                <table class="table table-bordered table-hover">
+                    <thead class="table-light">
+                        <tr>
+                            <th>Dienst</th>
+                            <th>Status</th>
+                            <th>Letzte Prüfung</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for monitor, last_log in monitors_with_status %}
+                            <tr>
+                                <td>
+                                    <a href="{{ url_for('monitor_details', monitor_id=monitor.id) }}" class="text-decoration-none fw-bold">{{ monitor.name }}</a>
                                     {% if monitor.status_override_message %}
-                            <div class="alert alert-info mt-2 p-2">
-                                <small>{{ monitor.status_override_message }}</small>
+                                       <div class="text-muted fst-italic small">
+                                           <i class="bi bi-info-circle"></i> {{ monitor.status_override_message }}
                                        </div>
                                     {% endif %}
-
-                        <p class="card-text">
-                            {% if monitor.monitor_type == 'TCP' %}
-                                <span class="text-muted text-break">{{ monitor.url }}:{{ monitor.port }}</span>
+                                </td>
+                                {% include '_status_badge.html' %}
+                                <td>
+                                    {% if last_log %}
+                                        {{ last_log.timestamp.strftime('%d.%m.%Y %H:%M:%S UTC') }}
                                     {% else %}
-                                <a href="{{ monitor.url }}" target="_blank" class="text-muted text-break">{{ monitor.url }}</a>
+                                        <span class="text-muted">Nie</span>
                                     {% endif %}
-                        </p>
-                        <div>
-                            <span class="badge rounded-pill bg-primary">{{ monitor.monitor_type }}</span>
-                            {% if monitor.monitor_type == 'KEYWORD' and monitor.keyword %}
-                                <span class="badge rounded-pill bg-light text-dark">Keyword: {{ monitor.keyword }}</span>
-                            {% endif %}
-                        </div>
-                    </div>
-                    <div class="card-footer text-muted">
-                        <small>Zuletzt geprüft: 
-                            {% if monitor.last_checked != 'Nie' %}
-                                {{ monitor.last_checked.strftime('%d.%m.%Y %H:%M:%S UTC') }}
-                            {% else %}
-                                Nie
-                            {% endif %}
-                        </small>
-                    </div>
-                </div>
-            </div>
+                                </td>
+                            </tr>
                         {% endfor %}
+                    </tbody>
+                </table>
             </div>
         {% endif %}
-</div>
-{% endblock %}
+    </main>
+
+    {% include '_footer.html' %}
+
+    <script src="ht
+</html>

templates/status.html

@@ -0,0 +1,78 @@
+<!doctype html>
+<html lang="de">
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Statusübersicht</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <style>
+        body {
+            background-color: transparent;
+        }
+        .status-badge.bg-success {
+            animation: pulse-green 2s infinite;
+        }
+        .status-badge.bg-danger {
+            animation: pulse-red 1.5s infinite;
+        }
+        @keyframes pulse-green {
+            0% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.7); }
+            70% { box-shadow: 0 0 0 10px rgba(25, 135, 84, 0); }
+            100% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0); }
+        }
+        @keyframes pulse-red {
+            0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
+            70% { box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
+            100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
+        }
+    </style>
+</head>
+<body>
+    <div class="container-fluid">
+        {% if not monitors_with_status %}
+            <div class="alert alert-info text-center">
+                <h4>Keine Monitore konfiguriert.</h4>
+            </div>
+        {% else %}
+            <table class="table table-striped table-hover">
+                <thead class="thead-dark">
+                    <tr>
+                        <th>Dienst</th>
+                        <th class="text-center">Status</th>
+                        <th>Letzte Prüfung</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for monitor, last_log in monitors_with_status %}
+                        <tr>
+                            <td>
+                                <a href="{{ url_for('monitor_details', monitor_id=monitor.id, _external=True) }}" target="_blank" class="text-decoration-none fw-bold">{{ monitor.name }}</a>
+                                {% if monitor.status_override_message %}
+                                   <div class="text-muted fst-italic small">
+                                       <i class="bi bi-info-circle"></i> {{ monitor.status_override_message }}
+                                   </div>
+                                {% endif %}
+                            </td>
+                            {% with %}
+                                {% set monitor=monitor %}
+                                {% set last_log=last_log %}
+                                {% include '_status_badge.html' %}
+                            {% endwith %}
+                            <td>
+                                {% if last_log %}
+                                    {{ last_log.timestamp.strftime('%d.%m.%Y %H:%M:%S UTC') }}
+                                {% else %}
+                                    Nie
+                                {% endif %}
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        {% endif %}
+        {% include '_footer.html' %}
+    </div>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
+</body>
+</html>

update.py

@@ -0,0 +1,85 @@
+import subprocess
+import sys
+import os
+import platform
+
+def run_command(command, cwd=None):
+    """
+    Führt einen Befehl aus, gibt seine Ausgabe in Echtzeit aus und prüft auf Fehler.
+    """
+    print(f"\n>>> Führe aus: {' '.join(command)}")
+    print("-" * 40)
+    try:
+        # Stelle sicher, dass der Python-Interpreter des venv für Module verwendet wird
+        process = subprocess.Popen(
+            command,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            text=True,
+            encoding='utf-8',
+            errors='replace', # Verhindert Fehler bei unerwarteten Zeichen
+            cwd=cwd,
+            bufsize=1 # Zeilen-gepuffert
+        )
+
+        # Lese und drucke die Ausgabe Zeile für Zeile
+        for line in iter(process.stdout.readline, ''):
+            print(line, end='')
+        
+        process.wait() # Warte auf das Ende des Prozesses
+        
+        if process.returncode != 0:
+            print("-" * 40)
+            print(f"FEHLER: Befehl schlug mit Exit-Code {process.returncode} fehl.")
+            print("-" * 40)
+            return False
+        
+        print("-" * 40)
+        print(">>> Befehl erfolgreich abgeschlossen.")
+        return True
+        
+    except FileNotFoundError:
+        print(f"FEHLER: Befehl '{command[0]}' nicht gefunden. Ist Git/Python korrekt installiert und im PATH?")
+        return False
+    except Exception as e:
+        print(f"Ein unerwarteter Fehler ist aufgetreten: {e}")
+        return False
+
+def main():
+    """Haupt-Update-Prozess."""
+    print("Starte den Update-Prozess der Anwendung...")
+    
+    project_root = os.path.dirname(os.path.abspath(__file__))
+    
+    # Finde den Python-Interpreter des aktuellen Virtual Environments
+    python_executable = sys.executable
+
+    # Schritt 1: Neueste Änderungen von Git holen
+    if not run_command(["git", "pull"], cwd=project_root):
+        print("\nUpdate fehlgeschlagen: Konnte die neuesten Änderungen nicht von Git holen.")
+        sys.exit(1)
+
+    # Schritt 2: Python-Abhängigkeiten installieren/aktualisieren
+    if not run_command([python_executable, "-m", "pip", "install", "-r", "requirements.txt"], cwd=project_root):
+        print("\nUpdate fehlgeschlagen: Konnte die Python-Abhängigkeiten nicht installieren.")
+        sys.exit(1)
+
+    # Schritt 3: Datenbank-Migrationen erstellen (falls nötig)
+    # Dieser Befehl erkennt Modelländerungen und erstellt ein Migrationsskript.
+    # Er kann fehlschlagen, wenn es keine Änderungen gibt, das ist in Ordnung.
+    print("\nVersuche, Datenbank-Änderungen zu erkennen...")
+    run_command([python_executable, "-m", "flask", "--app", "main", "db", "migrate", "-m", "Auto-detect model changes"], cwd=project_root)
+
+    # Schritt 4: Datenbank-Migrationen anwenden
+    print("\nWende Datenbank-Migrationen an...")
+    if not run_command([python_executable, "-m", "flask", "--app", "main", "db", "upgrade"], cwd=project_root):
+        print("\nUpdate fehlgeschlagen: Konnte die Datenbank-Migrationen nicht anwenden.")
+        sys.exit(1)
+
+    print("\n\n===================================================")
+    print("✅ Update erfolgreich abgeschlossen!")
+    print("Bitte starten Sie die Anwendung (main.py) neu, um die Änderungen zu übernehmen.")
+    print("===================================================")
+
+if __name__ == "__main__":
+    main()