ogn-python/ogn/commands/logbook.py

225 wiersze
12 KiB
Python

# -*- coding: utf-8 -*-
from datetime import timedelta, datetime
from sqlalchemy.sql import func, null
from sqlalchemy import and_, or_
from sqlalchemy.sql.expression import true, false, label
from sqlalchemy.orm import aliased
from ogn.model import Device, TakeoffLanding, Airport
from ogn.commands.dbutils import session
from ogn.collect.logbook import compute_takeoff_and_landing
from manager import Manager
manager = Manager()
@manager.command
def compute():
"""Compute takeoffs and landings."""
print("Compute takeoffs and landings...")
result = compute_takeoff_and_landing.delay()
counter = result.get()
print("New/recalculated takeoffs/landings: {}".format(counter))
@manager.arg('date', help='date (format: yyyy-mm-dd')
@manager.arg('utc_delta_hours', help='delta hours to utc (for local time logs)')
@manager.command
def show(airport_name, utc_delta_hours=0, date=None):
"""Show a logbook for <airport_name>."""
airport = session.query(Airport) \
.filter(Airport.name == airport_name) \
.first()
if (airport is None):
print('Airport "{}" not found.'.format(airport_name))
return
utc_timedelta = timedelta(hours=utc_delta_hours)
or_args = []
if date is not None:
date = datetime.strptime(date, "%Y-%m-%d")
or_args = [and_(TakeoffLanding.timestamp >= date + utc_timedelta,
TakeoffLanding.timestamp < date + timedelta(hours=24) + utc_timedelta)]
# make a query with current, previous and next "takeoff_landing" event, so we can find complete flights
sq = session.query(
TakeoffLanding.device_id,
func.lag(TakeoffLanding.device_id)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('device_id_prev'),
func.lead(TakeoffLanding.device_id)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('device_id_next'),
(TakeoffLanding.timestamp + utc_timedelta).label('timestamp'),
func.lag(TakeoffLanding.timestamp)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('timestamp_prev'),
func.lead(TakeoffLanding.timestamp + utc_timedelta)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('timestamp_next'),
TakeoffLanding.track,
func.lag(TakeoffLanding.track)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('track_prev'),
func.lead(TakeoffLanding.track)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('track_next'),
TakeoffLanding.is_takeoff,
func.lag(TakeoffLanding.is_takeoff)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('is_takeoff_prev'),
func.lead(TakeoffLanding.is_takeoff)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('is_takeoff_next'),
TakeoffLanding.airport_id,
func.lag(TakeoffLanding.airport_id)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('airport_id_prev'),
func.lead(TakeoffLanding.airport_id)
.over(order_by=and_(func.date(TakeoffLanding.timestamp + utc_timedelta),
TakeoffLanding.device_id,
TakeoffLanding.timestamp + utc_timedelta))
.label('airport_id_next')) \
.filter(*or_args) \
.subquery()
# find complete flights (with takeoff and landing on the same day)
complete_flight_query = session.query(sq.c.timestamp.label('reftime'),
sq.c.device_id.label('device_id'),
sq.c.timestamp.label('takeoff'), sq.c.track.label('takeoff_track'), sq.c.airport_id.label('takeoff_airport_id'),
sq.c.timestamp_next.label('landing'), sq.c.track_next.label('landing_track'), sq.c.airport_id_next.label('landing_airport_id'),
label('duration', sq.c.timestamp_next - sq.c.timestamp)) \
.filter(and_(sq.c.is_takeoff == true(), sq.c.is_takeoff_next == false())) \
.filter(sq.c.device_id == sq.c.device_id_next) \
.filter(func.date(sq.c.timestamp_next) == func.date(sq.c.timestamp)) \
.filter(or_(sq.c.airport_id == airport.id,
sq.c.airport_id_next == airport.id))
# split complete flights (with takeoff and landing on different days) into one takeoff and one landing
split_start_query = session.query(sq.c.timestamp.label('reftime'),
sq.c.device_id.label('device_id'),
sq.c.timestamp.label('takeoff'), sq.c.track.label('takeoff_track'), sq.c.airport_id.label('takeoff_airport_id'),
null().label('landing'), null().label('landing_track'), null().label('landing_airport_id'),
null().label('duration')) \
.filter(and_(sq.c.is_takeoff == true(), sq.c.is_takeoff_next == false())) \
.filter(sq.c.device_id == sq.c.device_id_next) \
.filter(func.date(sq.c.timestamp_next) != func.date(sq.c.timestamp)) \
.filter(and_(sq.c.airport_id == airport.id,
sq.c.airport_id_next == airport.id))
split_landing_query = session.query(sq.c.timestamp_next.label('reftime'),
sq.c.device_id.label('device_id'),
null().label('takeoff'), null().label('takeoff_track'), null().label('takeoff_airport_id'),
sq.c.timestamp_next.label('landing'), sq.c.track_next.label('landing_track'), sq.c.airport_id_next.label('landing_airport_id'),
null().label('duration')) \
.filter(and_(sq.c.is_takeoff == true(), sq.c.is_takeoff_next == false())) \
.filter(sq.c.device_id == sq.c.device_id_next) \
.filter(func.date(sq.c.timestamp_next) != func.date(sq.c.timestamp)) \
.filter(and_(sq.c.airport_id == airport.id,
sq.c.airport_id_next == airport.id))
# find landings without start
only_landings_query = session.query(sq.c.timestamp.label('reftime'),
sq.c.device_id.label('device_id'),
null().label('takeoff'), null().label('takeoff_track'), null().label('takeoff_airport_id'),
sq.c.timestamp.label('landing'), sq.c.track_next.label('landing_track'), sq.c.airport_id_next.label('landing_airport_id'),
null().label('duration')) \
.filter(sq.c.is_takeoff == false()) \
.filter(or_(sq.c.device_id != sq.c.device_id_prev,
sq.c.is_takeoff_prev == false())) \
.filter(sq.c.airport_id_next == airport.id)
# find starts without landing
only_starts_query = session.query(sq.c.timestamp.label('reftime'),
sq.c.device_id.label('device_id'),
sq.c.timestamp.label('takeoff'), sq.c.track.label('takeoff_track'), sq.c.airport_id.label('takeoff_airport_id'),
null().label('landing'), null().label('landing_track'), null().label('landing_airport_id'),
null().label('duration')) \
.filter(sq.c.is_takeoff == true()) \
.filter(or_(sq.c.device_id != sq.c.device_id_next,
sq.c.is_takeoff_next == true())) \
.filter(sq.c.airport_id == airport.id)
# unite all
union_query = complete_flight_query.union(split_start_query,
split_landing_query,
only_landings_query,
only_starts_query) \
.subquery()
# get aircraft and airport informations and sort all entries by the reference time
takeoff_airport = aliased(Airport, name='takeoff_airport')
landing_airport = aliased(Airport, name='landing_airport')
logbook_query = session.query(union_query.c.reftime,
union_query.c.takeoff,
union_query.c.takeoff_track,
takeoff_airport,
union_query.c.landing,
union_query.c.landing_track,
landing_airport,
union_query.c.duration,
Device) \
.outerjoin(Device, union_query.c.device_id == Device.id) \
.outerjoin(takeoff_airport, union_query.c.takeoff_airport_id == takeoff_airport.id) \
.outerjoin(landing_airport, union_query.c.landing_airport_id == landing_airport.id) \
.order_by(union_query.c.reftime)
print('--- Logbook ({}) ---'.format(airport_name))
def none_datetime_replacer(datetime_object):
return '--:--:--' if datetime_object is None else datetime_object.time()
def none_track_replacer(track_object):
return '--' if track_object is None else round(track_object / 10.0)
def none_timedelta_replacer(timedelta_object):
return '--:--:--' if timedelta_object is None else timedelta_object
def none_registration_replacer(device_object):
return '[' + device_object.address + ']' if device_object.registration is None else device_object.registration
def none_aircraft_replacer(device_object):
return '(unknown)' if device_object.aircraft is None else device_object.aircraft
def airport_marker(takeoff_airport_object, landing_airport_object):
if takeoff_airport_object is not None and takeoff_airport_object.name is not airport.name:
return ('FROM: {}'.format(takeoff_airport_object.name))
elif landing_airport_object is not None and landing_airport_object.name is not airport.name:
return ('TO: {}'.format(landing_airport_object.name))
else:
return ('')
for [reftime, takeoff, takeoff_track, takeoff_airport, landing, landing_track, landing_airport, duration, device] in logbook_query.all():
print('%10s %8s (%2s) %8s (%2s) %8s %8s %17s %20s' % (
reftime.date(),
none_datetime_replacer(takeoff),
none_track_replacer(takeoff_track),
none_datetime_replacer(landing),
none_track_replacer(landing_track),
none_timedelta_replacer(duration),
none_registration_replacer(device),
none_aircraft_replacer(device),
airport_marker(takeoff_airport, landing_airport)))