see if connection is actually made

src/Python/flask/web/app.py

@@ -6,7 +6,7 @@ app = Flask(__name__)
 
 kobuki_message = "empty"
 def on_message(client, userdata, message):
-    global kobuki_message #set scope for this variable
+    global kobuki_message
     kobuki_message = str(message.payload.decode("utf-8"))
     print(kobuki_message)
 
@@ -16,24 +16,13 @@ mqtt_client.username_pw_set("server", "serverwachtwoordofzo")
 mqtt_client.connect("localhost", 80, 60)
 mqtt_client.loop_start()
 mqtt_client.subscribe("kobuki/data")
-mqtt_client.on_message = on_message # this lines needs to be under the function definition otherwise it cant find which function it needs to use
-
-
-cnx = mysql.connector.connect(
-    host="127.0.0.1",
-    port=3306,
-    user="admin",
-    password="kobuki",
-    database="kobuki")
-
-cnx.close()
+mqtt_client.on_message = on_message
 
 @app.route('/')
 def index():
     return render_template('index.html')
 
-
-@app.route('/control', methods=["GET","POST"])
+@app.route('/control', methods=["GET", "POST"])
 def control():
     if request.authorization and request.authorization.username == 'ishak' and request.authorization.password == 'kobuki':
         return render_template('control.html')
@@ -47,15 +36,10 @@ def move():
 
     # Verstuur de richting via MQTT
     if direction:
-        mqtt_client.publish("home/commands", direction)  # Het topic kan aangepast worden
+        mqtt_client.publish("home/commands", direction)
 
     return jsonify({"status": "success", "direction": direction})
 
-
-@app.route('/data', methods=['GET'])
-def data():
-    return kobuki_message
-
 @app.route('/phpmyadmin/<path:path>')
 def phpmyadmin_passthrough(path):
     # Laat Apache deze route direct afhandelen
@@ -64,16 +48,22 @@ def phpmyadmin_passthrough(path):
 @app.route("/database")
 def database():
     try:
-        with cnx.cursor() as cur:
-            cur.execute("SELECT DATABASE()")
-            rows = cur.fetchall()  # Haal alle rijen op uit het resultaat
+        cnx = mysql.connector.connect(
+            host="127.0.0.1",
+            port=3306,
+            user="admin",
+            password="kobuki",
+            database="kobuki"
+        )
+        cursor = cnx.cursor()
+        cursor.execute("SELECT * FROM kobuki_data")
+        rows = cursor.fetchall()
+        cursor.close()
+        cnx.close()
         return str(rows)
-    except Exception as e:
-        print(f"Database error: {e}")
-        return "je hebt iets fout gedaan.", 500
-    
-def add_command(command):
-    command_query = "INSERT INTO kobuki (command) VALUES ();"
+    except mysql.connector.Error as err:
+        print(f"Database error: {err}")
+        return f"Database error: {err}", 500
 
 if __name__ == '__main__':
-    app.run(debug=True, port=5000)
+    app.run(debug=True, port=5000)