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Testing Waschag
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Aug 6, 2017
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from django.contrib import admin | ||
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# Register your models here. |
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from django.apps import AppConfig | ||
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class EnteapiConfig(AppConfig): | ||
name = 'enteapi' |
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from django.db import models | ||
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# Create your models here. |
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from django.test import TestCase | ||
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# Create your tests here. |
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from django.conf.urls import url, include | ||
from rest_framework import routers | ||
from . import views | ||
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router = routers.DefaultRouter() | ||
router.register(r'appointment', views.AppointmentViewSet, base_name='appointment') | ||
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urlpatterns = [ | ||
url(r'^v1/', include(router.urls)), | ||
] |
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import json | ||
import datetime | ||
import traceback | ||
from django.shortcuts import render | ||
from django.http import HttpResponse | ||
# from django.views.decorators.csrf import csrf_exempt | ||
from rest_framework import viewsets | ||
from rest_framework.decorators import detail_route, list_route | ||
from rest_framework.parsers import JSONParser | ||
from rest_framework.renderers import JSONRenderer | ||
from rest_framework.response import Response | ||
from wasch.models import Appointment, ref_checksum | ||
from wasch.serializers import AppointmentSerializer | ||
from legacymodels import Termine, DoesNotExist, Waschmaschinen | ||
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def machine_ready(machineId): | ||
'''can throw DoesNotExist if machineId wrong | ||
''' | ||
state = Waschmaschinen.get(Waschmaschinen.id == machineId).status | ||
return state == 1 | ||
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LEGACY_EPOCH = datetime.date(1980, 1, 1) | ||
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def time_from_legacy_zeit(zeit): | ||
hour = (zeit * 3) // 2 | ||
minute = 30 * (zeit % 2) | ||
return datetime.time(hour, minute) | ||
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def appointment_from_legacy(Termine): | ||
time = datetime.datetime.combine( | ||
Termine.datum, time_from_legacy_zeit(Termine.zeit)) | ||
# time = datetime.datetime( | ||
# Termine.year, Termine.month, Termine.day, hour, minute) | ||
print('Termin found at {}'.format(time)) | ||
reference = ( | ||
((Termine.datum - LEGACY_EPOCH).days)*32+Termine.zeit | ||
)*4+Termine.maschine | ||
reference = (reference << 3) + ref_checksum(reference) | ||
return Appointment( | ||
time=time, user=None, machine=None, reference=reference) | ||
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def _legacy_use(reference): | ||
''' | ||
:param int bookingId: | ||
''' | ||
tmp = reference | ||
checksum = tmp % 8 | ||
tmp >>= 3 | ||
machine = tmp % 4 | ||
tmp >>= 2 | ||
time = tmp % 32 | ||
tmp >>= 5 | ||
if 256*64 <= tmp: | ||
return 'LEGACY_DATE_OUT_OF_RANGE' | ||
try: | ||
date = LEGACY_EPOCH + datetime.timedelta(days=tmp) | ||
except ValueError: | ||
print('machine: {}, time: {}, ord: {}'.format(machine, time, tmp)) | ||
traceback.print_exc() | ||
return 'INVALID_LEGACY_ID' | ||
try: | ||
item = Termine.get( | ||
Termine.maschine == machine, | ||
Termine.zeit == time, | ||
Termine.datum == date, | ||
) | ||
except DoesNotExist: | ||
return 'UNKNOWN_APPOINTMENT' | ||
if item.wochentag >= 8: | ||
return 'ALREADY_USED' | ||
try: | ||
if not machine_ready(item.maschine): | ||
return 'MACHINE_UNAVAILABLE' | ||
except DoesNotExist: | ||
return 'UNKNOWN_MACHINE' | ||
query = Termine.update(wochentag=8).where( | ||
Termine.maschine == machine, | ||
Termine.zeit == time, | ||
Termine.datum == date, | ||
Termine.wochentag < 8, | ||
) # marks as used | ||
n = query.execute() | ||
if n != 1: | ||
print('query: {}'.format(n)) | ||
return 'UNEXPECTED' | ||
return 'OK' | ||
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def _use(reference, enteId): | ||
enten = [ | ||
1, | ||
] | ||
try: | ||
r = int(reference, base=16) | ||
e = int(enteId, base=16) | ||
if e not in enten: | ||
return 'UNKNOWN_ENTE' | ||
except ValueError: | ||
return 'INVALID_ID' | ||
# for legacy appointment reference | ||
return _legacy_use(r) | ||
return 'OK' | ||
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ACTIVATE_PERIOD = datetime.timedelta(seconds=15*60) | ||
# ACTIVATE_PERIOD = datetime.timedelta(days=27) # XXX easy testing! | ||
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class AppointmentViewSet(viewsets.ReadOnlyModelViewSet): | ||
serializer_class = AppointmentSerializer | ||
parser_classes = (JSONParser,) | ||
renderer_classes = (JSONRenderer, ) | ||
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@detail_route(methods=['POST']) | ||
def activate(self, request, pk=None): | ||
allowed_remotes = [ | ||
'127.0.0.1', | ||
] | ||
remote = request.META['REMOTE_ADDR'] | ||
if remote not in allowed_remotes: | ||
return Response({ | ||
'error': 'remote {} not allowed'.format(remote) | ||
}, status=403) | ||
action = 'activate' | ||
reqdata = request.data # JSON | ||
enteId = reqdata['enteId'] | ||
reference = pk | ||
error = _use(reference, enteId) | ||
print('activated appointment {} from ente {}@{} --> {}'.format( | ||
bookingId, enteId, request.META['REMOTE_ADDR'], error)) | ||
return Response({ | ||
'reference': reference, | ||
'ente-id': enteId, | ||
'action': action, | ||
'error': error, | ||
}, status=200 if error=='OK' else 400) | ||
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@list_route() | ||
def legacy_list(self, request): | ||
end = datetime.datetime.now() | ||
start = end - ACTIVATE_PERIOD | ||
# endzeit = (end.hour * 2 + start.minute // 30) // 3 | ||
# startzeit = (start.hour * 2 + start.minute // 30) // 3 | ||
# aday = datetime.timedelta(days=1) | ||
termine = Termine.select().where( | ||
Termine.datum.between(start.date(), end.date())).execute() | ||
# | ( | ||
# Termine.datum.between(start.date(), end.date() - aday) | ||
# & Termine.zeit > startzeit | ||
# ) | ( | ||
# Termine.datum.between(start.date() + aday, end.date()) | ||
# & Termine.zeit < endzeit | ||
# ) | ( | ||
# Termine.datum.between(start.date(), end.date()) | ||
# & Termine.zeit.between(startzeit, endzeit) | ||
# )).execute() | ||
appomts = [appointment_from_legacy(a) for a in termine if ( | ||
(datetime.datetime.combine( | ||
a.datum, time_from_legacy_zeit(a.zeit)) < end) | ||
and (datetime.datetime.combine(a | ||
.datum, time_from_legacy_zeit(a.zeit)) > start))] | ||
return Response(self.get_serializer(appomts, many=True).data) | ||
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def get_queryset(self): | ||
end = datetime.datetime.now() | ||
start = end - ACTIVATE_PERIOD | ||
return Appointment.objects.filter(time__range=(start, end)) |
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bdd8db0
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you can list the usable (ente can activate now) appointments at http://waschag.tvk.rwth-aachen.de:8000/enteapi/v1/appointment/legacy_list/