Files
arduino_api/server_api/app.py
2025-03-10 17:27:22 +02:00

164 lines
6.3 KiB
Python

from flask import Flask, request, jsonify, render_template, redirect, url_for
from flask_sqlalchemy import SQLAlchemy
from datetime import datetime, timedelta
import os
import threading
import requests
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///logs.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
class Log(db.Model):
id = db.Column(db.Integer, primary_key=True)
hostname = db.Column(db.String(100), nullable=False)
ip_address = db.Column(db.String(100), nullable=False)
message = db.Column(db.String(500), nullable=False)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
# Create the database if it does not exist
if not os.path.exists('instance/logs.db'):
with app.app_context():
db.create_all()
# Flag to check if tables are created
tables_created = False
@app.before_request
def create_tables():
global tables_created
if not tables_created:
db.create_all()
tables_created = True
@app.route('/log', methods=['POST'])
def log_message():
data = request.get_json()
hostname = data.get('hostname')
ip_address = data.get('ip_address')
message = data.get('message')
if hostname and ip_address and message:
new_log = Log(hostname=hostname, ip_address=ip_address, message=message)
db.session.add(new_log)
db.session.commit()
return jsonify({'status': 'success', 'message': 'Log saved'}), 201
return jsonify({'status': 'error', 'message': 'Invalid data'}), 400
@app.route('/logs', methods=['GET'])
def get_logs():
logs = Log.query.all()
return jsonify([{'id': log.id, 'hostname': log.hostname, 'message': log.message, 'timestamp': log.timestamp} for log in logs])
@app.route('/cleanup', methods=['DELETE'])
def cleanup_logs():
cutoff_date = datetime.utcnow() - timedelta(hours=24)
Log.query.filter(Log.timestamp < cutoff_date).delete()
db.session.commit()
return jsonify({'status': 'success', 'message': 'Old logs deleted'})
@app.route('/')
def index():
# Get the latest log entry for each board
latest_logs = db.session.query(Log).order_by(Log.timestamp.desc()).all()
boards = {}
for log in latest_logs:
if log.hostname not in boards:
boards[log.hostname] = log
# Determine the status of each board
board_status = []
for hostname, log in boards.items():
time_diff = datetime.utcnow() - log.timestamp
status = 'Online' if time_diff.total_seconds() <= 20 else 'Possible Offline'
board_status.append({'hostname': hostname, 'status': status, 'last_seen': log.timestamp})
return render_template('index.html', boards=board_status)
@app.route('/board/<hostname>')
def view_board(hostname):
logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).limit(50).all()
relay_status = ['off', 'off', 'off', 'off']
input_status = ['off', 'off', 'off', 'off']
relay_messages = ['', '', '', '']
input_messages = ['', '', '', '']
ip_address = logs[0].ip_address if logs else '' # Get the IP address from the logs
last_update = logs[0].timestamp if logs else None # Get the last update time
# Determine the status of each relay and input based on the latest log messages
for log in logs:
for i in range(4):
if f"Relay {i + 1} turned ON" in log.message:
relay_status[i] = 'on'
relay_messages[i] = log.message
elif f"Relay {i + 1} turned OFF" in log.message:
relay_status[i] = 'off'
relay_messages[i] = log.message
if f"Input {i + 1} pressed" in log.message:
input_status[i] = 'on'
input_messages[i] = log.message
post_action_to_server(hostname, f"Input {i + 1} pressed")
elif f"Input {i + 1} released" in log.message:
input_status[i] = 'off'
input_messages[i] = log.message
post_action_to_server(hostname, f"Input {i + 1} released")
return render_template('board.html', hostname=hostname, ip_address=ip_address, logs=logs, relay_status=relay_status, input_status=input_status, relay_messages=relay_messages, input_messages=input_messages, last_update=last_update)
@app.route('/delete_board/<hostname>', methods=['POST'])
def delete_board(hostname):
Log.query.filter_by(hostname=hostname).delete()
db.session.commit()
return redirect(url_for('index'))
@app.route('/board/<hostname>/logs', methods=['GET'])
def get_board_logs(hostname):
logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).all()
return jsonify({'logs': [{'timestamp': log.timestamp, 'message': log.message} for log in logs]})
@app.route('/board/<hostname>/relay/<int:relay>/<action>', methods=['POST'])
def control_relay(hostname, relay, action):
log = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).first()
if log:
ip_address = log.ip_address
url = f"http://{ip_address}/relay"
payload = {
"relay": relay,
"action": action
}
try:
response = requests.post(url, data=payload)
if response.status_code == 200:
return redirect(url_for('view_board', hostname=hostname))
else:
return f"Failed to control relay: {response.text}", 500
except Exception as e:
return f"Error controlling relay: {e}", 500
else:
return f"No logs found for hostname: {hostname}", 404
def post_action_to_server(hostname, action):
url = "http://your-server-url.com/action"
payload = {
"hostname": hostname,
"action": action
}
try:
response = requests.post(url, json=payload)
if response.status_code == 200:
print(f"Action posted successfully: {action}")
else:
print(f"Failed to post action: {action}")
except Exception as e:
print(f"Error posting action: {e}")
def schedule_cleanup():
with app.app_context():
cutoff_date = datetime.utcnow() - timedelta(hours=24)
Log.query.filter(Log.timestamp < cutoff_date).delete()
db.session.commit()
threading.Timer(3600, schedule_cleanup).start()
if __name__ == '__main__':
schedule_cleanup() # Start the cleanup scheduler
app.run(host='0.0.0.0', port=5000)