191 lines
7.8 KiB
Python
191 lines
7.8 KiB
Python
from flask import Flask, request, jsonify, render_template, redirect, url_for
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from flask_sqlalchemy import SQLAlchemy
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from datetime import datetime, timedelta
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import os
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app = Flask(__name__)
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app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///logs.db'
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app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
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db = SQLAlchemy(app)
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class Log(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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hostname = db.Column(db.String(100), nullable=False)
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message = db.Column(db.String(500), nullable=False)
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timestamp = db.Column(db.DateTime, default=datetime.utcnow)
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relay1_status = db.Column(db.String(10), default='off')
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relay2_status = db.Column(db.String(10), default='off')
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relay3_status = db.Column(db.String(10), default='off')
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relay4_status = db.Column(db.String(10), default='off')
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input1_status = db.Column(db.String(10), default='off')
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input2_status = db.Column(db.String(10), default='off')
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input3_status = db.Column(db.String(10), default='off')
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input4_status = db.Column(db.String(10), default='off')
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# Create the database if it does not exist
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if not os.path.exists('instance/logs.db'):
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with app.app_context():
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db.create_all()
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# Flag to check if tables are created
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tables_created = False
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@app.before_request
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def create_tables():
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global tables_created
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if not tables_created:
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db.create_all()
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tables_created = True
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@app.route('/log', methods=['POST'])
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def log_message():
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data = request.get_json()
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hostname = data.get('hostname')
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message = data.get('message')
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if hostname and message:
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# Get the latest log for the hostname to determine the current status
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latest_log = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).first()
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relay1_status = latest_log.relay1_status if latest_log else 'off'
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relay2_status = latest_log.relay2_status if latest_log else 'off'
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relay3_status = latest_log.relay3_status if latest_log else 'off'
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relay4_status = latest_log.relay4_status if latest_log else 'off'
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input1_status = latest_log.input1_status if latest_log else 'off'
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input2_status = latest_log.input2_status if latest_log else 'off'
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input3_status = latest_log.input3_status if latest_log else 'off'
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input4_status = latest_log.input4_status if latest_log else 'off'
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# Update the status based on the log message
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if "Relay 1 turned ON" in message:
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relay1_status = 'on'
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elif "Relay 1 turned OFF" in message:
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relay1_status = 'off'
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if "Relay 2 turned ON" in message:
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relay2_status = 'on'
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elif "Relay 2 turned OFF" in message:
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relay2_status = 'off'
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if "Relay 3 turned ON" in message:
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relay3_status = 'on'
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elif "Relay 3 turned OFF" in message:
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relay3_status = 'off'
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if "Relay 4 turned ON" in message:
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relay4_status = 'on'
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elif "Relay 4 turned OFF" in message:
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relay4_status = 'off'
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if "Input 1 pressed" in message:
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input1_status = 'on'
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elif "Input 1 released" in message:
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input1_status = 'off'
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if "Input 2 pressed" in message:
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input2_status = 'on'
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elif "Input 2 released" in message:
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input2_status = 'off'
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if "Input 3 pressed" in message:
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input3_status = 'on'
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elif "Input 3 released" in message:
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input3_status = 'off'
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if "Input 4 pressed" in message:
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input4_status = 'on'
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elif "Input 4 released" in message:
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input4_status = 'off'
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new_log = Log(
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hostname=hostname,
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message=message,
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relay1_status=relay1_status,
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relay2_status=relay2_status,
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relay3_status=relay3_status,
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relay4_status=relay4_status,
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input1_status=input1_status,
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input2_status=input2_status,
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input3_status=input3_status,
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input4_status=input4_status
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)
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db.session.add(new_log)
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db.session.commit()
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return jsonify({'status': 'success', 'message': 'Log saved'}), 201
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return jsonify({'status': 'error', 'message': 'Invalid data'}), 400
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@app.route('/logs', methods=['GET'])
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def get_logs():
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logs = Log.query.all()
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return jsonify([{'id': log.id, 'hostname': log.hostname, 'message': log.message, 'timestamp': log.timestamp} for log in logs])
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@app.route('/cleanup', methods=['DELETE'])
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def cleanup_logs():
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cutoff_date = datetime.utcnow() - timedelta(days=10)
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Log.query.filter(Log.timestamp < cutoff_date).delete()
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db.session.commit()
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return jsonify({'status': 'success', 'message': 'Old logs deleted'})
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@app.route('/')
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def index():
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# Get the latest log entry for each board
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latest_logs = db.session.query(Log).order_by(Log.timestamp.desc()).all()
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boards = {}
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for log in latest_logs:
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if log.hostname not in boards:
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boards[log.hostname] = log
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# Determine the status of each board
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board_status = []
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for hostname, log in boards.items():
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time_diff = datetime.utcnow() - log.timestamp
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status = 'Online' if time_diff.total_seconds() <= 20 else 'Possible Offline'
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board_status.append({'hostname': hostname, 'status': status, 'last_seen': log.timestamp})
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return render_template('index.html', boards=board_status)
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@app.route('/board/<hostname>')
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def view_board(hostname):
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logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.asc()).all() # Order by ascending timestamp
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relay_status = ['off', 'off', 'off', 'off']
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input_status = ['off', 'off', 'off', 'off']
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relay_messages = ['', '', '', '']
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input_messages = ['', '', '', '']
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# Determine the status of each relay and input based on the latest log messages
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for log in logs:
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for i in range(4):
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if f"Relay {i + 1} turned ON" in log.message:
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relay_status[i] = 'on'
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relay_messages[i] = log.message
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elif f"Relay {i + 1} turned OFF" in log.message:
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relay_status[i] = 'off'
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relay_messages[i] = log.message
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if f"Input {i + 1} pressed" in log.message:
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input_status[i] = 'on'
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input_messages[i] = log.message
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elif f"Input {i + 1} released" in log.message:
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input_status[i] = 'off'
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input_messages[i] = log.message
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return render_template('board.html', hostname=hostname, logs=logs, relay_status=relay_status, input_status=input_status, relay_messages=relay_messages, input_messages=input_messages)
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@app.route('/delete_board/<hostname>', methods=['POST'])
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def delete_board(hostname):
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Log.query.filter_by(hostname=hostname).delete()
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db.session.commit()
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return redirect(url_for('index'))
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@app.route('/board/<hostname>/logs', methods=['GET'])
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def get_board_logs(hostname):
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logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).all()
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latest_log = logs[0] if logs else None
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return jsonify({
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'logs': [{'timestamp': log.timestamp, 'message': log.message} for log in logs],
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'relay_status': {
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'relay1': latest_log.relay1_status if latest_log else 'off',
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'relay2': latest_log.relay2_status if latest_log else 'off',
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'relay3': latest_log.relay3_status if latest_log else 'off',
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'relay4': latest_log.relay4_status if latest_log else 'off'
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},
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'input_status': {
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'input1': latest_log.input1_status if latest_log else 'off',
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'input2': latest_log.input2_status if latest_log else 'off',
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'input3': latest_log.input3_status if latest_log else 'off',
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'input4': latest_log.input4_status if latest_log else 'off'
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}
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})
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=5000) |