Datenbank verbindung + User Admin angelegt

backend/app.py

@@ -1,23 +1,77 @@
-from flask import Flask, request, jsonify
-from flask_cors import CORS
+from flask import Flask, request, render_template, jsonify, redirect, send_from_directory
+from datenbankverbindung import lade_db_config, speichere_db_config, teste_verbindung, initialisiere_admin_user
+
+import time
+import os
 
 app = Flask(__name__)
-CORS(app)  # CORS für React
+app.template_folder = "templates"
 
-@app.route('/api/login', methods=['POST'])
-def login():
-    data = request.get_json()
-    username = data.get('username')
-    password = data.get('password')
+CONFIG_PATH = "config/db_config.json"
+MAX_WAIT = 30  # In Sekunden
+WAIT_INTERVAL = 10
 
-    # Temporär: hardcodierter Benutzer
-    if username == 'admin' and password == 'admin':
-        return jsonify({
-            'token': 'mock-token',
-            'role': 'admin'
-        })
+def ist_konfiguriert():
+    return os.path.exists(CONFIG_PATH)
 
-    return jsonify({'message': 'Ungültige Login-Daten'}), 401
+def versuche_verbindung_mit_warten():
+    elapsed = 0
+    if not ist_konfiguriert():
+        return False
+    config = lade_db_config()
+    while not teste_verbindung(config) and elapsed < MAX_WAIT:
+        print(f"[INFO] DB nicht erreichbar – warte {WAIT_INTERVAL}s...")
+        time.sleep(WAIT_INTERVAL)
+        elapsed += WAIT_INTERVAL
+    return elapsed < MAX_WAIT
+
+@app.route('/api/status')
+def status():
+    if not ist_konfiguriert():
+        return jsonify({"status": "init", "db_connected": False})
+    elif teste_verbindung(lade_db_config()):
+        return jsonify({"status": "ready", "db_connected": True})
+    else:
+        return jsonify({"status": "error", "db_connected": False})
+
+@app.route('/setup', methods=['GET', 'POST'])
+def setup():
+    if request.method == 'POST':
+        db_config = {
+            "host": request.form['host'],
+            "port": int(request.form['port']),
+            "user": request.form['user'],
+            "password": request.form['password'],
+            "database": request.form['database']
+        }
+        speichere_db_config(db_config)
+        if teste_verbindung(db_config):
+            initialisiere_admin_user(db_config)  # <- das hier NEU
+            return redirect('/')
+
+        else:
+            return "Verbindung fehlgeschlagen. Bitte zurück und prüfen.", 500
+    return render_template('setup.html')
+
+@app.route('/', defaults={'path': ''})
+@app.route('/<path:path>')
+def serve_react(path):
+    if not ist_konfiguriert() or not teste_verbindung(lade_db_config()):
+        return redirect('/setup')
+
+    # setup und API dürfen nicht von React überdeckt werden
+    if path.startswith('setup') or path.startswith('api'):
+        return redirect(f'/{path}')
+
+    # Pfad zu frontend/dist absolut auflösen
+    dist_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'frontend', 'dist'))
+    file_path = os.path.join(dist_dir, path)
+
+    if path and os.path.exists(file_path):
+        return send_from_directory(dist_dir, path)
+    else:
+        return send_from_directory(dist_dir, 'index.html')
 
 if __name__ == '__main__':
-    app.run(host='127.0.0.1', port=5000, debug=True)
+    os.makedirs("config", exist_ok=True)
+    app.run(host='127.0.0.1', port=5000)