Hi all,
I have a "vote" view and "detail" template in the Polls application that I
am writing. The idea is that the user will see a "vote" page where they can
select one of two radio buttons for a choice to the poll, and click "vote".
This takes them to a "results" page where they can view the poll and its
choices. That works fine. However, if a choice is not selected, the user
should be sent to the "detail" page, where an error message will be shown
stating that no choice was selected. This is not happening - when I haven't
selected a choice, the "vote" page is reloaded upon submitting the form.
Please see the vote view and detail template code below:
*VOTE VIEW*
def vote(request, poll_id):
p = get_object_or_404(Poll, pk=poll_id)
try:
selected_choice = p.choice_set.get(pk=request.POST['choice'])
except (KeyError, Choice.DoesNotExist):
# Redisplay the poll voting form.
*return render_to_response('polls/detail.html', {'poll': p,
'error_message': "You didn't select a choice.",
}, context_instance=RequestContext(request))*
else:
selected_choice.votes += 1
selected_choice.save()
# Always return an HttpResponseRedirect after successfully dealing
# with POST data. This prevents data from being posted twice if a
# user hits the Back button.
return HttpResponseRedirect(reverse('myproject.polls.views.results',
args=(p.id,)))
*DETAIL TEMPLATE*
<h1>{{ poll.question }}</h1>
*{% if error_message %}<p><strong>{{ error_messsage }}</strong></p>{% endif
%}
*
<form action="/polls/{{ poll.id }}/vote/" method="post">
{% csrf_token %}
{% for choice in poll.choice_set.all %}
<input type="radio" name="choice" id="choice{{ forloop.counter }}"
value="{{ choice.id }}" />
<label for="choice{{ forloop.counter }}">{{ choice.choice
}}</label><br />
{% endfor %}
<input type="submit" value="Vote" />
</form>
Any anomalies here?
Thanks.
--
Regards,
Sithembewena Lloyd Dube
http://www.lloyddube.com
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