/
views.py
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/
views.py
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""" Opentavern Views"""
from django.utils import timezone
from django.shortcuts import render
from django.contrib.auth.decorators import login_required
from django.core.urlresolvers import reverse
from django.http import HttpResponse, HttpResponseRedirect, \
Http404
from django.contrib.auth.models import User
from django.shortcuts import get_object_or_404, get_list_or_404
from django.views.generic import DetailView
from django.views.generic import CreateView, UpdateView, DeleteView
from django.views.generic.detail import SingleObjectMixin
from guardian.mixins import LoginRequiredMixin, PermissionRequiredMixin
from .models import TavernGroup, Membership, Event, Attendee
from .forms import CreateGroupForm, CreateEventForm, UpdateEventForm, AddOrganizerForm, RemoveOrganizerForm
from .multiform import MultiFormsView
def today_date():
today_object = timezone.now()
today = today_object.isoformat()
return today
def index(request, template='tavern/home.html'):
""" index page """
all_groups = TavernGroup.objects.all()
if request.user.is_authenticated():
joined_groups = request.user.tavern_groups.all()
unjoined_groups = list(set(all_groups) - set(joined_groups))
upcoming_events = Event.visible_events.upcoming()
events = Attendee.objects.filter(user=request.user)
events_rsvped = [event.event for event in events]
context = {'joined_groups': joined_groups,
'unjoined_groups': unjoined_groups,
'upcoming_events': upcoming_events,
'events_rsvped': events_rsvped}
else:
context = {'groups': all_groups}
return render(request, template, context)
@login_required
def rsvp(request, event_id, rsvp_status):
""" View to set RSVP status for an event """
event = get_object_or_404(Event, id=int(event_id))
user = get_object_or_404(User, id=request.user.id)
try:
attendee = Attendee.objects.get(user=user,
event=event)
attendee.rsvp_status = rsvp_status
attendee.rsvped_on = timezone.now()
attendee.save()
except Attendee.DoesNotExist:
attendee = Attendee.objects.create(user=user,
event=event,
rsvp_status=rsvp_status,
rsvped_on=timezone.now())
if rsvp_status == 'yes':
message = "You are attending this event."
elif rsvp_status == 'no':
message = "You are not attending this event."
elif rsvp_status == 'maybe':
message = "You may attend this event."
return HttpResponse(message)
@login_required
def tavern_toggle_member(request):
"""
Adds a member to the group if he's not in the group, or
deletes a member if he's already a member
"""
user = get_object_or_404(User, id=request.POST.get('user_id'))
group = get_object_or_404(TavernGroup, slug=request.POST.get('slug'))
try:
member = Membership.objects.get(user=user, tavern_group=group)
response = "Join Group"
member.delete()
except Membership.DoesNotExist:
member = Membership.objects.create(
user=user,
tavern_group=group,
join_date=today_date())
response = "Unjoin Group"
return HttpResponse(response)
class UpcomingEventsMixin(object):
""" Add upcoming events to the view """
def get_context_data(self, **kwargs):
context = super(UpcomingEventsMixin, self).get_context_data(**kwargs)
context['upcoming_events'] = Event.visible_events.upcoming()
return context
class GroupDetail(UpcomingEventsMixin, DetailView):
""" Group details Page """
template_name = "tavern/group_details.html"
context_object_name = "group"
model = TavernGroup
def get_context_data(self, **kwargs):
context = super(GroupDetail, self).get_context_data(**kwargs)
context['past_events'] = Event.visible_events.past()
tavern_group = context['group']
try:
Membership.objects.get(tavern_group=tavern_group,
user=self.request.user.id)
user_is_member = True
except Membership.DoesNotExist:
user_is_member = False
context['user_is_member'] = user_is_member
recent_group_members = get_list_or_404(Membership, tavern_group=tavern_group)[:5]
context["recent_group_members"] = recent_group_members
return context
class EventDetail(UpcomingEventsMixin, DetailView):
""" Give details about an event and its attendees"""
template_name = "tavern/event_details.html"
context_object_name = "event"
model = Event
def get_queryset(self, **kwargs):
return self.model.visible_events.all()
def get_context_data(self, **kwargs):
context = super(EventDetail, self).get_context_data(**kwargs)
event_name = self.kwargs['slug']
group_name = self.kwargs['group']
group = TavernGroup.objects.get(slug=group_name)
event = group.event_set.get(slug=event_name)
try:
attendee = Attendee.objects.get(user=self.request.user,
event=event)
if attendee.rsvp_status == 'yes':
message = "You are attending this event."
elif attendee.rsvp_status == 'no':
message = "You are not attending this event."
elif attendee.rsvp_status == 'maybe':
message = "You may attend this event."
context['attendee'] = attendee
except Attendee.DoesNotExist:
message = "You have not rsvped yet"
context['attendee_rsvp'] = message
context['event_attendees'] = Attendee.objects.filter(event=event,
rsvp_status="yes")
context['editable'] = event.starts_at > timezone.now()
return context
def get_object(self, **kwargs):
group_name = self.kwargs['group']
event_name = self.kwargs['slug']
try:
group = TavernGroup.objects.get(slug=group_name)
event = group.event_set.get(slug=event_name)
except Event.DoesNotExist:
raise Http404
class GroupCreate(LoginRequiredMixin, CreateView):
""" Create new group """
form_class = CreateGroupForm
model = TavernGroup
template_name = "tavern/group_form.html"
def form_valid(self, form):
form.instance.creator = self.request.user
return super(GroupCreate, self).form_valid(form)
class GroupUpdate(LoginRequiredMixin, PermissionRequiredMixin, UpdateView):
""" Updates a group """
model = TavernGroup
form_class = CreateGroupForm
template_name = 'tavern/group_form.html'
permission_required = 'tavern.change_taverngroup'
render_403 = True
return_403 = True
class GroupDelete(LoginRequiredMixin, PermissionRequiredMixin, DeleteView):
model = TavernGroup
permission_required = 'tavern.delete_taverngroup'
render_403 = True
return_403 = True
def get_success_url(self, **kwargs):
return reverse("index")
class EditOrganizers(LoginRequiredMixin, PermissionRequiredMixin, SingleObjectMixin, MultiFormsView):
template_name = "tavern/edit_organizers.html"
form_classes = {'add': AddOrganizerForm,
'remove': RemoveOrganizerForm
}
model = TavernGroup
permission_required = 'tavern.delete_taverngroup'
render_403 = True
return_403 = True
def get(self, request, *args, **kwargs):
self.object = self.get_object()
return super(EditOrganizers, self).get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
self.object = self.get_object()
return super(EditOrganizers, self).post(request, *args, **kwargs)
def get_remove_initial(self):
return {'group': self.object.pk}
def add_form_valid(self, form):
for user in form.cleaned_data['users']:
self.object.organizers.add(user)
return HttpResponseRedirect(self.get_success_url())
def remove_form_valid(self, form):
for user in form.cleaned_data['users']:
self.object.organizers.remove(user)
return HttpResponseRedirect(self.get_success_url())
def get_success_url(self, **kwargs):
return reverse('tavern_group_details', kwargs={'slug': self.object.slug})
class EventCreate(LoginRequiredMixin, CreateView):
""" Creates new Event """
form_class = CreateEventForm
model = Event
template_name = "tavern/event_form.html"
def get_form_kwargs(self):
kwargs = super(EventCreate, self).get_form_kwargs()
kwargs['current_user'] = self.request.user
return kwargs
def form_valid(self, form):
form.instance.creator = self.request.user
return super(EventCreate, self).form_valid(form)
class EventUpdate(LoginRequiredMixin, PermissionRequiredMixin, UpdateView):
""" Update an Event """
model = Event
form_class = UpdateEventForm
template_name = 'tavern/event_form.html'
permission_required = 'tavern.change_event'
render_403 = True
return_403 = True
class EventDelete(LoginRequiredMixin, PermissionRequiredMixin, DeleteView):
model = Event
permission_required = 'tavern.delete_event'
render_403 = True
return_403 = True
def get_success_url(self, **kwargs):
return reverse("tavern_group_details", kwargs={"slug": self.object.group.slug})
class RsvpDelete(LoginRequiredMixin, DeleteView):
""" Remove a RSVP"""
model = Attendee
def get_success_url(self, **kwargs):
return reverse("tavern_event_details", kwargs={"slug": self.object.event.slug,
"group": self.object.event.group.slug})
tavern_group_update = GroupUpdate.as_view()
tavern_event_update = EventUpdate.as_view()
create_group = GroupCreate.as_view()
create_event = EventCreate.as_view()
event_details = EventDetail.as_view()
group_details = GroupDetail.as_view()
group_delete = GroupDelete.as_view()
event_delete = EventDelete.as_view()
delete_rsvp = RsvpDelete.as_view()
edit_organizers = EditOrganizers.as_view()