agenda/agenda/stats.py

61 lines
2.1 KiB
Python

"""Trip statistic functions."""
from collections import defaultdict
from typing import Counter, Mapping
from agenda.types import StrDict, Trip
def travel_legs(trip: Trip, stats: StrDict) -> None:
"""Calcuate stats for travel legs."""
for leg in trip.travel:
if leg["type"] == "flight":
stats.setdefault("flight_count", 0)
stats.setdefault("airlines", Counter())
stats["flight_count"] += 1
stats["airlines"][leg["airline_name"]] += 1
if leg["type"] == "train":
stats.setdefault("train_count", 0)
stats["train_count"] += 1
def conferences(trip: Trip, yearly_stats: Mapping[int, StrDict]) -> None:
"""Calculate conference stats."""
for c in trip.conferences:
yearly_stats[c["start"].year].setdefault("conferences", 0)
yearly_stats[c["start"].year]["conferences"] += 1
def calculate_yearly_stats(trips: list[Trip]) -> dict[int, StrDict]:
"""Calculate total distance and distance by transport type grouped by year."""
yearly_stats: defaultdict[int, StrDict] = defaultdict(dict)
for trip in trips:
year = trip.start.year
dist = trip.total_distance()
yearly_stats[year].setdefault("count", 0)
yearly_stats[year]["count"] += 1
conferences(trip, yearly_stats)
if dist:
yearly_stats[year]["total_distance"] = (
yearly_stats[year].get("total_distance", 0) + trip.total_distance()
)
for transport_type, distance in trip.distances_by_transport_type():
yearly_stats[year].setdefault("distances_by_transport_type", {})
yearly_stats[year]["distances_by_transport_type"][transport_type] = (
yearly_stats[year]["distances_by_transport_type"].get(transport_type, 0)
+ distance
)
for country in trip.countries:
if country.alpha_2 == "GB":
continue
yearly_stats[year].setdefault("countries", set())
yearly_stats[year]["countries"].add(country)
travel_legs(trip, yearly_stats[year])
return dict(yearly_stats)