89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
from datetime import datetime
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import sqlite3
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from os import path
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import time
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from env import SENSORS, DBFILE
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# Function to create the database and tables if they don't exist
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def create_database(db_name):
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conn = sqlite3.connect(db_name)
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c = conn.cursor()
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# Create SensorData table
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c.execute('''CREATE TABLE IF NOT EXISTS Sensors
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(Mac TEXT PRIMARY KEY,
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Name TEXT)''')
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# Create SensorData table
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c.execute('''CREATE TABLE IF NOT EXISTS SensorData
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(Id INTEGER PRIMARY KEY AUTOINCREMENT,
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Sensor TEXT,
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Timestamp TEXT,
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Temp INT,
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HR INTEGER,
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Bat INT,
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FOREIGN KEY (Sensor) REFERENCES Sensors(Name))''')
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c.execute('''CREATE TABLE IF NOT EXISTS Settings
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(Id INTEGER PRIMARY KEY AUTOINCREMENT,
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Name TEXT,
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Value TEXT''')
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for mac, name in SENSORS.items():
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# Use INSERT OR IGNORE to prevent duplicates based on primary key
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c.execute("INSERT OR IGNORE INTO Sensors (Mac, Name) VALUES (?, ?)", (mac, name))
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conn.commit()
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conn.close()
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# Check if the database file exists
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def check_database(db_name):
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if not path.exists(db_name):
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print(f"[{datetime.now()}] Database '{db_name}' not found. Creating...")
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create_database(db_name)
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print(f"[{datetime.now()}] Database and tables created successfully.")
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else:
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print(f"[{datetime.now()}] Database '{db_name}' found.")
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# Function to add data to SensorData table
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def add_sensor_data(db_name, sensor, timestamp, temp, hr, bat):
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conn = sqlite3.connect(db_name)
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c = conn.cursor()
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c.execute('''INSERT INTO SensorData (Sensor, Timestamp, Temp, HR, Bat)
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VALUES (?, ?, ?, ?, ?)''', (sensor, timestamp, temp, hr, bat))
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conn.commit()
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conn.close()
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# Function to fetch data from the database
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def fetch_all_data():
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conn = sqlite3.connect(DBFILE)
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c = conn.cursor()
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c.execute("SELECT * FROM SensorData ")
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data = c.fetchall()
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conn.close()
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data.reverse()
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return data
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# Function to fetch data from the database
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def fetch_data_by_sensor(sensor):
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conn = sqlite3.connect(DBFILE)
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c = conn.cursor()
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c.execute("SELECT * FROM SensorData WHERE Sensor LIKE ? ", ('%' + sensor + '%',))
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data = c.fetchall()
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conn.close()
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data.reverse()
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return data
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# Function to fetch data from the database
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def fetch_all_sensor():
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conn = sqlite3.connect(DBFILE)
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c = conn.cursor()
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c.execute("SELECT * FROM Sensors ")
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data = c.fetchall()
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conn.close()
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data.reverse()
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return data |