42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
from flask import Flask, jsonify
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import mysql.connector
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app = Flask(__name__)
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# Function to get data from the MySQL database
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def get_database_data():
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try:
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connection = mysql.connector.connect(
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host='localhost',
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user='root',
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password='',
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database='goodgarden'
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)
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cursor = connection.cursor()
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# Query to retrieve the latest battery voltage data
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query = "SELECT id, timestamp, gateway_receive_time, device, value FROM battery_voltage_events ORDER BY timestamp DESC LIMIT 1"
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cursor.execute(query)
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battery_data = cursor.fetchone()
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connection.close()
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return battery_data
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except Exception as e:
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print("Error fetching data from database:", e)
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return None
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@app.route('/', methods=['GET'])
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def get_data():
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# Get data from the database
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battery_data = get_database_data()
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if battery_data is None:
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return jsonify({"error": "Failed to fetch data from database"})
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print(battery_data)
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# Return the data as JSON
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if __name__ == "__main__":
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app.run(host='127.0.0.1', port=5000) |