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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2008 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# This program can be distributed under the terms of the GNU GPL.
# See the file COPYING.
from random import choice as random_choice
import string
import time
from django.shortcuts import render_to_response
from django.http import HttpResponseRedirect
from papillon.polls.models import Poll, PollUser, Choice, Vote
def getBaseResponse(request):
url = "/".join([request.META['HTTP_HOST'],
request.path.split('/')[1], ''])
return {'root_url':url}
def index(request):
response_dct = getBaseResponse(request)
error = ''
if 'bad_poll' in request.GET:
response_dct['error'] = "The poll requested don't exist (anymore?)"
return render_to_response('main.html', response_dct)
def createOrEdit(request, admin_url):
def genRandomURL():
chars = string.letters + string.digits
url = ''
for i in range(6):
url += random_choice(chars)
url += str(int(time.time()))
return url
response_dct = getBaseResponse(request)
response_dct['TYPES'] = Poll.TYPE
error = None
poll = None
if 'new' in request.POST:
mandatory_fields = (('author_name', "Author name"),
('poll_name', "Poll name"),
('poll_desc', "Poll description"),
('poll_type', "Poll type"),
)
for key, label in mandatory_fields:
if key not in request.POST or not request.POST[key]:
if not error:
error = "%s is a mandatory field" % label
else:
response_dct[key] = request.POST[key]
if error:
response_dct['new'] = True
response_dct['error'] = error
response_dct['admin_url'] = \
"/".join(request.path.split('/')[:-2]) + '/0/'
else:
author = PollUser(name=request.POST['author_name'])
author.save()
base_url = 'b' + genRandomURL()
admin_url = 'a' + genRandomURL()
poll = Poll(name=request.POST['poll_name'],
description=request.POST['poll_desc'], author=author, base_url=base_url,
admin_url=admin_url, status = 'D', type=request.POST['poll_type'])
poll.save()
url = "/".join(request.path.split('/')[:-2]) \
+ '/%s/' % poll.admin_url
return HttpResponseRedirect(url)
elif admin_url == '0':
response_dct['new'] = True
response_dct['admin_url'] = \
"/".join(request.path.split('/')[:-2]) + '/0/'
else:
try:
poll = Poll.objects.filter(admin_url=admin_url)[0]
except IndexError:
url = "/".join(request.path.split('/')[:-2]) + '/0/'
return HttpResponseRedirect(url)
response_dct['choices'] = Choice.objects.filter(poll=poll).order_by('order')
response_dct['author_name'] = poll.author.name
response_dct['poll_name'] = poll.name
response_dct['poll_desc'] = poll.description
idx = [type[0] for type in poll.TYPE].index(poll.type)
response_dct['type_name'] = Poll.TYPE[idx][1]
response_dct['poll_status'] = poll.status
response_dct['admin_url'] = \
"/".join(request.path.split('/')[:-2]) + '/%s/' % poll.admin_url
base_path = request.META['HTTP_HOST'] + \
"/".join(request.path.split('/')[:-3])
response_dct['full_admin_url'] = base_path + "/edit/" \
+ admin_url + "/"
response_dct['base_url'] = poll.base_url
response_dct['full_base_url'] = base_path + "/poll/" \
+ poll.base_url + "/"
response_dct['choiceform'] = "<input type='text' name='new_choice'/>"
if 'new_choice' in request.POST and request.POST['new_choice']:
try:
order = Choice.objects.order_by('-order')[0].order
order += 1
except IndexError:
order = 0
choice = Choice(poll=poll, name=request.POST['new_choice'],
order=order)
choice.save()
for key in request.POST:
if key.startswith('delete_') and request.POST[key]:
choice = Choice.objects.get(id=int(key[len('delete_'):]))
Vote.objects.filter(choice=choice).delete()
choice.delete()
return render_to_response('createOrEdit.html', response_dct)
def poll(request, poll_url):
response_dct = getBaseResponse(request)
error = None
try:
poll = Poll.objects.filter(base_url=poll_url)[0]
except IndexError:
poll = None
choices = Choice.objects.filter(poll=poll).order_by('order')
if not choices or not poll:
url = "/".join(request.path.split('/')[:-3])
url += "?bad_poll=1"
return HttpResponseRedirect(url)
response_dct['base_url'] = \
"/".join(request.path.split('/')[:-2]) + '/%s/' % poll.base_url
response_dct['choices'] = choices
if 'author_name' in request.POST:
if 'voter' in request.POST:
try:
author = PollUser.objects.filter(id=int(request.POST['voter']))[0]
except (ValueError, IndexError):
author = None
if author:
author.name = request.POST['author_name']
author.save()
selected_choices = []
for key in request.POST:
if key.startswith('vote_') and request.POST[key]:
try:
id = int(key.split('_')[1])
vote = Vote.objects.filter(id=id)[0]
if vote.choice not in choices:
raise ValueError
vote.vote = 1
vote.save()
except (ValueError, IndexError):
url = "/".join(request.path.split('/')[:-3])
url += "?bad_poll=1"
return HttpResponseRedirect(url)
selected_choices.append(vote.choice)
for choice in choices:
if choice not in selected_choices:
try:
v = Vote.objects.filter(voter=author, choice=choice)[0]
v.vote = 0
except IndexError:
v = Vote(voter=author, choice=choice, vote=0)
v.save()
else:
author = PollUser(name=request.POST['author_name'])
author.save()
selected_choices = []
for key in request.POST:
if key.startswith('choice_') and request.POST[key]:
try:
id = int(key.split('_')[1])
choice = Choice.objects.filter(id=id)[0]
if choice not in choices:
raise ValueError
except (ValueError, IndexError):
url = "/".join(request.path.split('/')[:-3])
url += "?bad_poll=1"
return HttpResponseRedirect(url)
v = Vote(voter=author, choice=choice, vote=1)
selected_choices.append(choice)
v.save()
for choice in choices:
if choice not in selected_choices:
v = Vote(voter=author, choice=choice, vote=0)
v.save()
votes = []
votes = Vote.objects.extra(where=['choice_id IN (%s)' \
% ",".join([str(choice.id) for choice in choices])])
voters = []
choices_sum = [0 for choice in choices]
choices_ids = [choice.id for choice in choices]
for vote in votes:
if vote.voter not in voters:
vote.voter.votes = [None for choice in choices]
voters.append(vote.voter)
voter = vote.voter
else:
voter = voters[voters.index(vote.voter)]
idx = choices_ids.index(vote.choice.id)
voter.votes[idx] = vote
choices_sum[idx] += vote.vote
response_dct['voters'] = voters
if 'voter' in request.GET:
try:
response_dct['current_voter_id'] = int(request.GET['voter'])
except ValueError:
pass
response_dct['voter'] = voters
response_dct['choices_sum'] = [str(sum) for sum in choices_sum]
response_dct['poll_type_name'] = poll.getTypeLabel()
response_dct['poll_name'] = poll.name
response_dct['poll_desc'] = poll.description
return render_to_response('vote.html', response_dct)
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