mirror of
https://github.com/flobz/psa_car_controller.git
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49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
import sqlite3
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from datetime import datetime
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import pytz
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from typing import Callable
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from MyLogger import logger
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callback_fct: Callable[[], None] = lambda: None
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default_db_file = 'info.db'
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def convert_datetime(st):
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return datetime.strptime(st.decode("utf-8"), "%Y-%m-%d %H:%M:%S+00:00").replace(tzinfo=pytz.UTC)
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def update_callback():
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callback_fct()
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def get_db(db_file=default_db_file):
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sqlite3.register_converter("DATETIME", convert_datetime)
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conn = sqlite3.connect(db_file, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES)
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conn.row_factory = sqlite3.Row
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conn.execute("CREATE TABLE IF NOT EXISTS position (Timestamp DATETIME PRIMARY KEY, VIN TEXT, longitude REAL, "
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"latitude REAL, mileage REAL, level INTEGER, level_fuel INTEGER, moving BOOLEAN, temperature INTEGER);")
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try:
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conn.execute("ALTER TABLE position ADD level_fuel INTEGER;")
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except sqlite3.OperationalError:
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pass
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conn.execute("CREATE TABLE IF NOT EXISTS battery (start_at DATETIME PRIMARY KEY,stop_at DATETIME,VIN TEXT, "
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"start_level INTEGER, end_level INTEGER, co2 INTEGER, kw INTEGER);")
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conn.create_function("update_trips", 0, update_callback)
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conn.execute("CREATE TEMP TRIGGER IF NOT EXISTS update_trigger AFTER INSERT ON position BEGIN "
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"SELECT update_trips(); END;")
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conn.commit()
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return conn
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def clean_position(conn):
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res = conn.execute(
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"SELECT Timestamp,mileage,level from position ORDER BY Timestamp DESC LIMIT 3;").fetchall()
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# Clean DB
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if len(res) == 3 and res[0]["mileage"] == res[1]["mileage"] == res[2]["mileage"] and \
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res[0]["level"] == res[1]["level"] == res[2]["level"]:
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logger.debug("Delete duplicate line")
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conn.execute("DELETE FROM position where Timestamp=?;", (res[1]["Timestamp"],))
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conn.commit()
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