Smikkelbakje/J2S1-Kobuki
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made function for db connection

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ishak jmilou.ishak
2024-12-17 14:38:16 +01:00
parent 10a7a2b98c
commit ef572c6539
1 changed files with 29 additions and 22 deletions
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47
src/Python/flask/web/app.py
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@@ -1,16 +1,16 @@
from flask import Flask, request, render_template, jsonify from flask import Flask, request, render_template, jsonify, g
import paho.mqtt.client as mqtt import paho.mqtt.client as mqtt
import mysql.connector import mysql.connector
app = Flask(__name__) app = Flask(__name__)
# Globale MQTT setup
kobuki_message = "empty" kobuki_message = "empty"
def on_message(client, userdata, message): def on_message(client, userdata, message):
global kobuki_message global kobuki_message
kobuki_message = str(message.payload.decode("utf-8")) kobuki_message = str(message.payload.decode("utf-8"))
print(kobuki_message) print(kobuki_message)
# Create an MQTT client instance
mqtt_client = mqtt.Client() mqtt_client = mqtt.Client()
mqtt_client.username_pw_set("server", "serverwachtwoordofzo") mqtt_client.username_pw_set("server", "serverwachtwoordofzo")
mqtt_client.connect("localhost", 80, 60) mqtt_client.connect("localhost", 80, 60)
@@ -18,13 +18,24 @@ mqtt_client.loop_start()
mqtt_client.subscribe("kobuki/data") mqtt_client.subscribe("kobuki/data")
mqtt_client.on_message = on_message mqtt_client.on_message = on_message
cnx = mysql.connector.connect( # Database connectie-functie
host="127.0.0.1", def get_db():
port=3306, if 'db' not in g: # 'g' is specifiek voor een request en leeft zolang een request duurt
user="admin", g.db = mysql.connector.connect(
password="kobuki", host="127.0.0.1",
database="kobuki" port=3306,
) user="admin",
password="kobuki",
database="kobuki"
)
return g.db
# Sluit de database na elke request
@app.teardown_appcontext
def close_db(error):
db = g.pop('db', None)
if db is not None:
db.close()
@app.route('/') @app.route('/')
def index(): def index():
@@ -42,11 +53,12 @@ def move():
data = request.get_json() data = request.get_json()
direction = data.get("direction") direction = data.get("direction")
cursor = cnx.cursor() # Haal databaseverbinding op
cursor.execute("INSERT INTO kobuki_data (command) VALUES (%s)", (direction,)) db = get_db()
cnx.commit() cursor = db.cursor()
cursor.execute("INSERT INTO command VALUES (%s)", (direction,))
db.commit()
cursor.close() cursor.close()
cnx.close()
# Verstuur de richting via MQTT # Verstuur de richting via MQTT
if direction: if direction:
@@ -54,18 +66,13 @@ def move():
return jsonify({"status": "success", "direction": direction}) return jsonify({"status": "success", "direction": direction})
@app.route('/phpmyadmin/<path:path>')
def phpmyadmin_passthrough(path):
# Laat Apache deze route direct afhandelen
return "", 404
@app.route("/database") @app.route("/database")
def database(): def database():
cursor = cnx.cursor() db = get_db()
cursor = db.cursor()
cursor.execute("SELECT * FROM kobuki_data") cursor.execute("SELECT * FROM kobuki_data")
rows = cursor.fetchall() rows = cursor.fetchall()
cursor.close() cursor.close()
cnx.close()
return str(rows) return str(rows)
if __name__ == '__main__': if __name__ == '__main__':