fix: update sensor_data function to process and store JSON message from kobuki

src/Python/flask/web/app.py

@@ -14,8 +14,8 @@ def on_message(client,userdata, message):
     global kobuki_message, latest_image
     if message.topic == "kobuki/data":
         kobuki_message = str(message.payload.decode("utf-8"))
-        # with app.app_context():
-        #     sensor_data()  # Sla de data op in de database
+        with app.app_context():
+            sensor_data(kobuki_message)  # Sla de data op in de database
     elif message.topic == "kobuki/cam":
         latest_image = message.payload
 
@@ -82,7 +82,6 @@ def move():
     db_connection.commit()
     cursor.close()
     db_connection.close()
-    print(f"check: {data}")
     return jsonify({"status": "success", "direction": direction})
 
 @app.route("/database")
@@ -94,16 +93,39 @@ def database():
     cursor.close()
     return str(rows)
 
-# def sensor_data():
-#     data = request.get_json()
-#     db = get_db()
-#     cursor = db.cursor()
-#     sql_sensor = "INSERT INTO kobuki_data (name, value) VALUES (%s)"
-#     sensor_data_tuples = [(name, float(value))for name, value in data.items()]
-#     cursor.executemany(sql_sensor, sensor_data_tuples)
+def sensor_data(kobuki_message):
+    try:
+        # Parse de JSON-string naar een Python-dictionary
+        data = json.loads(kobuki_message)
 
-#     db.commit()
-#     cursor.close()
+        # Maak een lijst van tuples met de naam en waarde van elk veld
+        sensor_data_tuples = [(name, float(value)) for name, value in data.items() if isinstance(value, (int, float))]
+
+        # Extra informatie of nested data (zoals "extraInfo" of "gyroData") kun je apart verwerken
+        if "extraInfo" in data:
+            for key, value in data["extraInfo"].items():
+                sensor_data_tuples.append((f"extraInfo_{key}", float(value)))
+
+        if "gyroData" in data:
+            for i, gyro in enumerate(data["gyroData"]):
+                for axis, value in gyro.items():
+                    sensor_data_tuples.append((f"gyroData_{i}_{axis}", float(value)))
+
+        # Database-insert
+        db = get_db()
+        cursor = db.cursor()
+
+        # Zorg dat je tabel `kobuki_data` kolommen heeft: `name` en `value`
+        sql_sensor = "INSERT INTO kobuki_data (name, value) VALUES (%s, %s)"
+        cursor.executemany(sql_sensor, sensor_data_tuples)
+
+        # Commit en sluit de cursor
+        db.commit()
+        cursor.close()
+    except json.JSONDecodeError as e:
+        print(f"JSON decode error: {e}")
+    except mysql.connector.Error as err:
+        print(f"Database error: {err}")
 
 if __name__ == '__main__':
     app.run(debug=True, port=5000)