python-pi-dashboard/vvo_data.py at main · 3deric/python-pi-dashboard · GitHub

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import requests
from datetime import datetime, timezone, timedelta
import re
import pytz

TIMEZONE = 'Europe/Berlin'

class VVOData():
    def __init__(self, stopid : str):
        self.timezone = pytz.timezone('Europe/Berlin')
        self.stopid = stopid
        self.data = {}


    def retrieve_stop_data(self):
        url = 'https://webapi.vvo-online.de/dm'
        attributes = {
        "stopid": self.stopid,
        "limit": 10,
        "mot": [
            "Tram",
            "CityBus",
            "IntercityBus",
            "SuburbanRailway",
            "Train",
            "Cableway",
            "Ferry",
            "HailedSharedTaxi"
            ]
        }
        try:
            response = requests.post(url,json=attributes,timeout=5)
            response.raise_for_status()
            self.data = response.json()

        except requests.exceptions.ConnectionError:
            print("No internet connection.")

        except requests.exceptions.Timeout:
            print("Request timed out.")

        except requests.exceptions.HTTPError as e:
            print(f"HTTP error: {e}")

        except requests.exceptions.RequestException as e:
            # catches all other requests-related errors
            print(f"Request failed: {e}")


    def get_data_value(self, i : int,  key : str) -> str:
        try:
            return self.data['Departures'][i][key]
        except:
            return 'N/A'

    def get_data_entry(self, i: int) -> tuple():
        try:
            line = self.data['Departures'][i]['LineName']
            dir = self.data['Departures'][i]['Direction']
            real_time = self.data['Departures'][i]['RealTime']
            scheduled_time = self.data['Departures'][i]['ScheduledTime']
            state = self.data['Departures'][i]['State']
            return(line, dir, real_time, scheduled_time, state)
        except:
            return ('line N/A', 'dir N/A', 'real_time N/A', 'scheduled_time N/A','state N/A')

    def get_data(self) -> dict:
        return self.data

def convert_utc_to_timezone(date_string):
    try:
        match = re.match(r'/Date\((\d+)[+-]\d{4}\)/', date_string)
        timestamp_ms = int(match.group(1))

        utc_time = datetime.fromtimestamp(timestamp_ms / 1000.0, tz=timezone.utc)

        time = utc_time.astimezone(pytz.timezone(TIMEZONE))
        return time
    except:
        return datetime.now()

def format_datetime(time) -> str:
    hours = time.hour
    minutes = time.minute
    return f"{hours:02d}:{minutes:02d}"

def get_time_delta(time) -> str:
    tz = pytz.timezone(TIMEZONE)
    if time.tzinfo is None:
        time = tz.localize(time)
    now = datetime.now(tz)
    delta = time - now
    minutes = int(delta.total_seconds() / 60)
    if minutes < 0:
        minutes = 0
    return f"in {minutes} Min"

if __name__ == "__main__":
    vvo = VVOData('33000742')
    vvo.retrieve_stop_data()
    print(vvo.get_data())
    data = vvo.get_data_entry(0)
    time = convert_utc_to_timezone(data[3])
    print(get_time_delta(time))
    #print(time_b, time_a, get_time_delta(time_a, time_b))