handling end of CFP

cfp/forms.py

@@ -1,18 +1,17 @@
 from django import forms
 from django.forms.models import modelform_factory
 
-from .models import Participant, Talk, TalkCategory
+from .models import Participant, Talk
 
 
 class TalkForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
-        conference = kwargs.pop('conference')
-        staff = kwargs.pop('staff')
+        categories = kwargs.pop('categories')
         super().__init__(*args, **kwargs)
-        if staff:
-            self.fields['category'].queryset = TalkCategory.objects.filter(site=conference.site)
+        if categories.exists():
+            self.fields['category'].queryset = categories
         else:
-            self.fields['category'].queryset = conference.opened_categories
+            del self.fields['category']
 
     class Meta:
         model = Talk

cfp/templates/cfp/closed.html

@@ -0,0 +1,15 @@
+{% extends 'base.html' %}
+{% load i18n %}
+
+{% block proposetab %} class="active"{% endblock %}
+
+{% block content %}
+<div class="page-header">
+  <h1>
+    {% trans "Participate" %}
+  </h1>
+</div>
+
+<h2>{% trans "Sorry, the Call for Participation is closed!" %}</h2>
+
+{% endblock %}

cfp/views.py

@@ -8,7 +8,7 @@ from django.contrib import messages
 
 from cfp.decorators import staff_required
 from .utils import is_staff
-from .models import Participant, Talk, Vote
+from .models import Participant, Talk, TalkCategory, Vote
 from .forms import TalkForm, ParticipantForm
 
 
@@ -22,15 +22,21 @@ def home(request, conference):
 def talk_proposal(request, conference, talk_id=None, participant_id=None):
 
     site = conference.site
+    if is_staff(request, request.user):
+        categories = TalkCategory.objects.filter(site=site)
+    else:
+        categories = conference.opened_categories
     talk = None
     participant = None
 
     if talk_id and participant_id:
         talk = get_object_or_404(Talk, token=talk_id, site=site)
         participant = get_object_or_404(Participant, token=participant_id, site=site)
+    elif not categories.exists():
+        return render(request, 'cfp/closed.html')
 
     participant_form = ParticipantForm(request.POST or None, instance=participant)
-    talk_form = TalkForm(request.POST or None, conference=conference, staff=is_staff(request, request.user), instance=talk)
+    talk_form = TalkForm(request.POST or None, categories=categories, instance=talk)
 
     if request.method == 'POST' and talk_form.is_valid() and participant_form.is_valid():
         talk = talk_form.save(commit=False)