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comparison contests/views.py @ 581:ee87ea74d46b

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For Django 1.4, rearranged project structure for new manage.py.
author Brian Neal <bgneal@gmail.com>
date Sat, 05 May 2012 17:10:48 -0500
parents gpp/contests/views.py@51fa1e0ca218
children 89b240fe9297
comparison
equal deleted inserted replaced
580:c525f3e0b5d0 581:ee87ea74d46b
1 """
2 Views for the contests application.
3
4 """
5 from django.http import (HttpResponse, HttpResponseForbidden,
6 HttpResponseBadRequest)
7 from django.shortcuts import get_object_or_404
8 from django.utils import simplejson
9 from django.views.decorators.http import require_POST
10
11 from contests.models import Contest
12
13
14 @require_POST
15 def enter(request):
16 """
17 This view is an AJAX view that is used to enter or withdraw a user from a
18 given contest. This function toggles the user's entered state in the
19 contest.
20
21 """
22 if not request.user.is_authenticated():
23 return HttpResponseForbidden("Please login first")
24
25 contest_id = request.POST.get('contest_id')
26 if not contest_id:
27 return HttpResponseBadRequest("Missing contest_id")
28
29 contest = get_object_or_404(Contest, pk=contest_id)
30 if not contest.can_enter():
31 return HttpResponseForbidden("Contest is over")
32
33 # Toggle the user's state in the contest
34
35 result = {}
36 if request.user in contest.contestants.all():
37 contest.contestants.remove(request.user)
38 result['entered'] = False
39 result['msg'] = 'You have been withdrawn from this contest.'
40 else:
41 contest.contestants.add(request.user)
42 result['entered'] = True
43 result['msg'] = 'You have been entered into this contest!'
44
45 json = simplejson.dumps(result)
46 return HttpResponse(json, content_type='application/json')