kopia lustrzana https://github.com/glidernet/ogn-python
104 wiersze
3.3 KiB
Python
104 wiersze
3.3 KiB
Python
from datetime import datetime, timezone
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from app.model import AircraftBeacon, ReceiverBeacon
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from app import db
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def utc_to_local(utc_dt):
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return utc_dt.replace(tzinfo=timezone.utc).astimezone(tz=None)
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def encode(address):
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return "xx" + address
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def decode(code):
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return code[2:9]
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def rec(min_timestamp, min_online_timestamp):
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last_seen_query = (
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db.session.query(ReceiverBeacon).filter(ReceiverBeacon.timestamp > min_timestamp).order_by(ReceiverBeacon.receiver_id, ReceiverBeacon.timestamp).distinct(ReceiverBeacon.receiver_id)
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)
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lines = []
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lines.append('<?xml version="1.0" encoding="UTF-8"?>')
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lines.append("<markers>")
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lines.append('<m e="0"/>')
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for receiver_beacon in last_seen_query:
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if receiver_beacon.location is None or receiver_beacon.name.startswith("FNB"):
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continue
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lines.append(
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'<m a="{0}" b="{1:.7f}" c="{2:.7f}" d="{3:1d}"/>'.format(
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receiver_beacon.name, receiver_beacon.location.latitude, receiver_beacon.location.longitude, receiver_beacon.timestamp < min_online_timestamp
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)
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)
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lines.append("</markers>")
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xml = "\n".join(lines)
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return xml
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def lxml(show_offline=False, lat_max=90, lat_min=-90, lon_max=180, lon_min=-180):
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timestamp_range_filter = [db.between(AircraftBeacon.timestamp, datetime(2018, 7, 31, 11, 55, 0), datetime(2018, 7, 31, 12, 5, 0))]
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last_seen_query = db.session.query(AircraftBeacon).filter(*timestamp_range_filter).order_by(AircraftBeacon.device_id, AircraftBeacon.timestamp).distinct(AircraftBeacon.device_id)
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lines = list()
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lines.append('<?xml version="1.0" encoding="UTF-8"?>')
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lines.append("<markers>")
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for aircraft_beacon in last_seen_query:
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device = aircraft_beacon.device
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code = encode(device.address)
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if device.info:
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if not device.info.tracked or not device.info.identified:
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continue
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if not device.info.competition:
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competition = device.info.registration[-2:]
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else:
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competition = device.info.competition
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if not device.info.registration:
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registration = "???"
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else:
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registration = device.info.registration
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address = device.address
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else:
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competition = ("_" + code[-2:]).lower()
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registration = code
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address = 0
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elapsed_time = datetime.utcnow() - aircraft_beacon.timestamp
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elapsed_seconds = int(elapsed_time.total_seconds())
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lines.append(
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' <m a="{0:.7f},{1:.7f},{2},{3},{4},{5},{6},{7},{8},{9},{10},{11},{12},{13}"/>'.format(
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aircraft_beacon.location.latitude,
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aircraft_beacon.location.longitude,
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competition,
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registration,
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int(aircraft_beacon.altitude),
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utc_to_local(aircraft_beacon.timestamp).strftime("%H:%M:%S"),
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elapsed_seconds,
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int(aircraft_beacon.track),
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int(aircraft_beacon.ground_speed),
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int(aircraft_beacon.climb_rate * 10) / 10,
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aircraft_beacon.aircraft_type,
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aircraft_beacon.receiver_name,
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address,
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code,
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)
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)
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lines.append("</markers>")
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xml = "\n".join(lines)
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return xml
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