view contests/views.py @ 989:2908859c2fe4

Smilies now use relative links. This is for upcoming switch to SSL. Currently we do not need absolute URLs for smilies. If this changes we can add it later.
author Brian Neal <bgneal@gmail.com>
date Thu, 29 Oct 2015 20:54:34 -0500
parents 89b240fe9297
children 16e190fa6ef8
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"""
Views for the contests application.

"""
import json

from django.http import (HttpResponse, HttpResponseForbidden,
        HttpResponseBadRequest)
from django.shortcuts import get_object_or_404
from django.views.decorators.http import require_POST

from contests.models import Contest


@require_POST
def enter(request):
    """
    This view is an AJAX view that is used to enter or withdraw a user from a
    given contest. This function toggles the user's entered state in the
    contest.

    """
    if not request.user.is_authenticated():
        return HttpResponseForbidden("Please login first")

    contest_id = request.POST.get('contest_id')
    if not contest_id:
        return HttpResponseBadRequest("Missing contest_id")

    contest = get_object_or_404(Contest, pk=contest_id)
    if not contest.can_enter():
        return HttpResponseForbidden("Contest is over")

    # Toggle the user's state in the contest

    result = {}
    if request.user in contest.contestants.all():
        contest.contestants.remove(request.user)
        result['entered'] = False
        result['msg'] = 'You have been withdrawn from this contest.'
    else:
        contest.contestants.add(request.user)
        result['entered'] = True
        result['msg'] = 'You have been entered into this contest!'

    json_result = json.dumps(result)
    return HttpResponse(json_result, content_type='application/json')