51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
"""
|
|
Views
|
|
=====
|
|
Views reacting to Http Requests by interfacing between backend and frontend.
|
|
|
|
Functions
|
|
---------
|
|
index(request)
|
|
Home page
|
|
"""
|
|
from django.shortcuts import render
|
|
from django.http import HttpResponse
|
|
from .models import *
|
|
from .forms import *
|
|
import json
|
|
|
|
def print_r(r, s):
|
|
if not len(r):
|
|
print(s)
|
|
return r
|
|
|
|
def index(request):
|
|
stops = [{name: getattr(s, name) for name in ['stop_id', 'stop_name', 'stop_lat', 'stop_lon']} for s in Stop.objects.all()]
|
|
route_name = lambda r : r.route_short_name if r.route_short_name else r.route_long_name
|
|
routes = [{"route_id": r.route_id, "route_type": r.route_type, "route_name": route_name(r), "agency_id": r.agency_id.agency_id} for r in Route.objects.all()]
|
|
trips = {r["route_id"]: [t for t in Trip.objects.filter(route_id_id=r["route_id"])] for r in routes}
|
|
stop_sequences = {}
|
|
for r in routes:
|
|
seq = []
|
|
t = trips[r["route_id"]]
|
|
for s in StopTime.objects.filter(trip_id_id__exact=t[0].trip_id):
|
|
seq.append(s)
|
|
stop_sequences[r["route_id"]] = sorted(seq, key=lambda st : st.stop_sequence)
|
|
timetables = {}
|
|
for r in routes:
|
|
timetable = {"stop_sequence": stop_sequences[r["route_id"]]}
|
|
sts = {}
|
|
for stop in stop_sequences[r["route_id"]]:
|
|
times = []
|
|
for t in trips[r["route_id"]]:
|
|
for st in StopTime.objects.filter(trip_id=t.trip_id):
|
|
times.append(st.departure_time)
|
|
sts[stop.stop_id] = times
|
|
timetable["stop_times"] = sts
|
|
print(timetable)
|
|
timetables[r["route_id"]] = timetable
|
|
|
|
context = {"data": json.dumps({"stops": stops, "routes": routes, "timetables": timetables})}
|
|
return render(request,"map.html", context)
|
|
|