def handle_GET(self, request, context, slug, entities):
if len(context['entities']) < 2:
# Need at least 2 entities to be a tour
return self.bad_request(request)
# Now attempt to order entities optimally
if len(context['entities']) > 2 and len(context['entities']) <= 10:
context['entities'] = optimise_points(
[(entity, entity.routing_point().location)
for entity in context['entities']])
context['optimised_entities'] = True
# Come up with a name for this tour
name = _('%(type)s; visiting %(number)d places (created on %(creation)s)') % {
'type': _(context['tour_type']['name']),
'number': len(context['entities']),
'creation': datetime.now().strftime('%c')
}
# Save back to database
tour = Tour.objects.create(name=name, type=context['tour_type']['slug'])
for i, entity in enumerate(context['entities']):
StopOnTour.objects.create(entity=entity, tour=tour, order=i)
# Add any suggested "passing-by" entities to the context to be presented
# back to the user. We can only do this query if the database backend
# supports distance operations on geographies (i.e., things more complex
# than points)
if 'suggested_entities' in context['tour_type'] \
and connection.ops.geography and request.GET.get('nosuggestions') is None:
route = generate_route([e.location for e in context['entities']], 'foot')
suggestion_filter = Q()
for sv in context['tour_type']['suggested_entities']:
scheme, value = sv.split(':')
suggestion_filter |= Q(_identifiers__scheme=scheme,
_identifiers__value=value)
context['suggestions'] = Entity.objects.filter(
suggestion_filter,
location__distance_lt=(route['path'],
D(m=getattr(self.conf, 'suggestion_distance', 100)))
).exclude(id__in=[e.pk for e in context['entities']])
context.update({
'tour': tour,
'short_url': get_shortened_url(tour.get_absolute_url(), request),
})
if 'generic_web_browser' in device_parents[request.browser.devid]:
# Desktop
return self.render(request, context, 'tours/save_desktop')
else:
# Redirect if no suggestions, otherwise show suggestions page
if len(context.get('suggestions', [])) > 0:
return self.render(request, context, 'tours/save')
else:
return self.redirect(
context['tour'].get_absolute_url() + '?created', request)
def handle_GET(self, request, context):
try:
path = request.GET['path']
except (KeyError):
raise Http404()
if IndexView in getattr(context['view'], '__mro__', ()):
return self.redirect(path, request, 'perm')
context['url'] = get_shortened_url(path, request, context['complex_shorten'])
return self.render(request, context, 'url_shortener/index',
expires=timedelta(days=365))