OpenSlides/openslides/participant/views.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.participant.views
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Views for the participant app.
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:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
"""
# for python 2.5 support
from __future__ import with_statement
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import csv
from urllib import urlencode
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try:
from urlparse import parse_qs
except ImportError: # python <= 2.5 grab it from cgi
from cgi import parse_qs
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.platypus import (
SimpleDocTemplate, PageBreak, Paragraph, LongTable, Spacer, Table,
TableStyle)
from django.db import transaction
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from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import User, Group
from django.contrib.auth.forms import PasswordChangeForm
from django.contrib.auth.views import login as django_login
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from django.core.urlresolvers import reverse
from django.shortcuts import redirect
from django.utils.translation import ugettext as _, ungettext, ugettext_lazy
from openslides.utils import csv_ext
from openslides.utils.pdf import stylesheet
from openslides.utils.template import Tab
from openslides.utils.utils import (
template, permission_required, gen_confirm_form, ajax_request, decodedict,
encodedict, delete_default_permissions, html_strong)
from openslides.utils.views import (
FormView, PDFView, TemplateView, CreateView, UpdateView, DeleteView,
RedirectView, SingleObjectMixin, ListView)
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from openslides.config.models import config
from openslides.participant.models import OpenSlidesUser, OpenSlidesGroup
from openslides.participant.api import gen_username, gen_password
from openslides.participant.forms import (
UserCreateForm, UserUpdateForm, OpenSlidesUserForm, UsersettingsForm,
UserImportForm, GroupForm, AdminPasswordChangeForm, ConfigForm)
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class Overview(ListView):
"""
Show all participants.
"""
permission_required = 'participant.can_see_participant'
template_name = 'participant/overview.html'
context_object_name = 'users'
def get_queryset(self):
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try:
sortfilter = encodedict(parse_qs(
self.request.COOKIES['participant_sortfilter']))
except KeyError:
sortfilter = {}
for value in [u'gender', u'category', u'type', u'committee', u'status',
u'sort', u'reverse']:
if value in self.request.REQUEST:
if self.request.REQUEST[value] == '---':
try:
del sortfilter[value]
except KeyError:
pass
else:
sortfilter[value] = [self.request.REQUEST[value]]
query = OpenSlidesUser.objects
if 'gender' in sortfilter:
query = query.filter(gender__iexact=sortfilter['gender'][0])
if 'category' in sortfilter:
query = query.filter(category__iexact=sortfilter['category'][0])
if 'type' in sortfilter:
query = query.filter(type__iexact=sortfilter['type'][0])
if 'committee' in sortfilter:
query = query.filter(committee__iexact=sortfilter['committee'][0])
if 'status' in sortfilter:
query = query.filter(is_active=sortfilter['status'][0])
if 'sort' in sortfilter:
if sortfilter['sort'][0] in ['first_name', 'last_name', 'last_login']:
query = query.order_by(sortfilter['sort'][0])
elif (sortfilter['sort'][0] in
['category', 'type', 'committee', 'comment']):
query = query.order_by(
'openslidesuser__%s' % sortfilter['sort'][0])
else:
query = query.order_by('last_name')
if 'reverse' in sortfilter:
query = query.reverse()
self.sortfilter = sortfilter
return query.all()
def get_context_data(self, **kwargs):
context = super(Overview, self).get_context_data(**kwargs)
all_users = User.objects.count()
# quotient of selected users and all users
if all_users > 0:
percent = self.object_list.count() * 100 / float(all_users)
else:
percent = 0
# list of all existing categories
categories = [p['category'] for p in OpenSlidesUser.objects.values('category')
.exclude(category='').distinct()]
# list of all existing committees
committees = [p['committee'] for p in OpenSlidesUser.objects.values('committee')
.exclude(committee='').distinct()]
context.update({
'allusers': all_users,
'percent': round(percent, 1),
'categories': categories,
'committees': committees,
'cookie': ['participant_sortfilter', urlencode(decodedict(self.sortfilter),
doseq=True)],
'sortfilter': self.sortfilter})
return context
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class UserCreateView(CreateView):
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"""
Create a new participant.
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"""
permission_required = 'participant.can_manage_participant'
template_name = 'participant/edit.html'
model = OpenSlidesUser
context_object_name = 'edit_user'
form_class = UserCreateForm
success_url = 'user_overview'
apply_url = 'participant_edit'
def manipulate_object(self, form):
self.object.username = gen_username(form.cleaned_data['first_name'], form.cleaned_data['last_name'])
if not self.object.firstpassword:
self.object.firstpassword = gen_password()
class UserUpdateView(UpdateView):
"""
Update an existing participant.
"""
permission_required = 'participant.can_manage_participant'
template_name = 'participant/edit.html'
model = OpenSlidesUser
context_object_name = 'edit_user'
form_class = UserUpdateForm
success_url = 'user_overview'
apply_url = 'participant_edit'
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class UserDeleteView(DeleteView):
"""
Delete an participant.
"""
permission_required = 'participant.can_manage_participant'
model = OpenSlidesUser
url = 'user_overview'
class SetUserStatusView(RedirectView, SingleObjectMixin):
"""
Activate or deactivate an user.
"""
permission_required = 'participant.can_manage_participant'
allow_ajax = True
url = 'user_overview'
model = OpenSlidesUser
def pre_redirect(self, request, *args, **kwargs):
self.object = self.get_object()
action = kwargs['action']
if action == 'activate':
self.object.is_active = True
elif action == 'deactivate':
self.object.is_active = False
elif action == 'toggle':
self.object.is_active = not self.object.is_active
self.object.save()
return super(SetUserStatusView, self).pre_redirect(request, *args, **kwargs)
def get_ajax_context(self, **kwargs):
context = super(SetUserStatusView, self).get_ajax_context(**kwargs)
context['active'] = self.object.is_active
return context
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class ParticipantsListPDF(PDFView):
"""
Generate the userliste as PDF.
"""
permission_required = 'participant.can_see_participant'
filename = ugettext_lazy("Participant-list")
document_title = ugettext_lazy('List of Participants')
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def append_to_pdf(self, story):
data = [['#', _('Last Name'), _('First Name'), _('Group'), _('Type'),
_('Committee')]]
sort = 'last_name'
counter = 0
for user in OpenSlidesUser.objects.all().order_by(sort):
counter += 1
data.append([
counter,
Paragraph(user.last_name, stylesheet['Tablecell']),
Paragraph(user.first_name, stylesheet['Tablecell']),
Paragraph(user.category, stylesheet['Tablecell']),
Paragraph(user.type, stylesheet['Tablecell']),
Paragraph(user.committee, stylesheet['Tablecell'])
])
t = LongTable(data,
style=[
('VALIGN', (0, 0), (-1, -1), 'TOP'),
('LINEABOVE', (0, 0), (-1, 0), 2, colors.black),
('LINEABOVE', (0, 1), (-1, 1), 1, colors.black),
('LINEBELOW', (0, -1), (-1, -1), 2, colors.black),
('ROWBACKGROUNDS', (0, 1), (-1, -1),
(colors.white, (.9, .9, .9)))])
t._argW[0] = 0.75 * cm
story.append(t)
class ParticipantsPasswordsPDF(PDFView):
"""
Generate the Welcomepaper for the users.
"""
permission_required = 'participant.can_manage_participant'
filename = ugettext_lazy("Participant-passwords")
top_space = 0
def get_template(self, buffer):
return SimpleDocTemplate(buffer, topMargin=-6, bottomMargin=-6,
leftMargin=0, rightMargin=0, showBoundary=False)
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def build_document(self, pdf_document, story):
pdf_document.build(story)
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def append_to_pdf(self, story):
data = []
participant_pdf_system_url = config["participant_pdf_system_url"]
participant_pdf_welcometext = config["participant_pdf_welcometext"]
for user in OpenSlidesUser.objects.all().order_by('last_name'):
cell = []
cell.append(Spacer(0, 0.8 * cm))
cell.append(Paragraph(_("Account for OpenSlides"),
stylesheet['Ballot_title']))
cell.append(Paragraph(_("for %s") % (user),
stylesheet['Ballot_subtitle']))
cell.append(Spacer(0, 0.5 * cm))
cell.append(Paragraph(_("User: %s") % (user.username),
stylesheet['Monotype']))
cell.append(Paragraph(_("Password: %s")
% (user.firstpassword), stylesheet['Monotype']))
cell.append(Spacer(0, 0.5 * cm))
cell.append(Paragraph(_("URL: %s")
% (participant_pdf_system_url),
stylesheet['Ballot_option']))
cell.append(Spacer(0, 0.5 * cm))
cell2 = []
cell2.append(Spacer(0, 0.8 * cm))
if participant_pdf_welcometext is not None:
cell2.append(Paragraph(
participant_pdf_welcometext.replace('\r\n', '<br/>'),
stylesheet['Ballot_subtitle']))
data.append([cell, cell2])
# add empty table line if no participants available
if not data:
data.append(['', ''])
# build table
t = Table(data, 10.5 * cm, 7.42 * cm)
t.setStyle(TableStyle([
('LINEBELOW', (0, 0), (-1, 0), 0.25, colors.grey),
('LINEBELOW', (0, 1), (-1, 1), 0.25, colors.grey),
('LINEBELOW', (0, 1), (-1, -1), 0.25, colors.grey),
('VALIGN', (0, 0), (-1, -1), 'TOP'),
]))
story.append(t)
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@login_required
@template('participant/settings.html')
def user_settings(request):
"""
Edit own user account.
"""
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if request.method == 'POST':
form_user = UsersettingsForm(request.POST, instance=request.user)
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if form_user.is_valid():
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form_user.save()
messages.success(request, _('User settings successfully saved.'))
else:
messages.error(request, _('Please check the form for errors.'))
else:
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form_user = UsersettingsForm(instance=request.user)
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return {
'form_user': form_user,
'edituser': request.user,
}
@login_required
@template('participant/password_change.html')
def user_settings_password(request):
"""
Edit own password.
"""
if request.method == 'POST':
form = PasswordChangeForm(request.user, request.POST)
if form.is_valid():
form.save()
messages.success(request, _('Password successfully changed.'))
return redirect(reverse('user_settings'))
else:
messages.error(request, _('Please check the form for errors.'))
else:
form = PasswordChangeForm(user=request.user)
return {
'form': form,
}
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@permission_required('participant.can_manage_participant')
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@template('participant/import.html')
def user_import(request):
"""
Import Users via csv.
"""
from openslides.application.models import Application
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try:
request.user.profile
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messages.error(request, _('The import function is available for the admin (without user profile) only.'))
return redirect(reverse('user_overview'))
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except Profile.DoesNotExist:
pass
except AttributeError:
# AnonymousUser
pass
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if request.method == 'POST':
form = UserImportForm(request.POST, request.FILES)
if form.is_valid():
try:
# check for valid encoding (will raise UnicodeDecodeError if not)
request.FILES['csvfile'].read().decode('utf-8')
request.FILES['csvfile'].seek(0)
with transaction.commit_on_success():
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old_users = {}
applications_mapped = 0
applications_review = 0
applications_removed = 0
try:
janitor = User.objects.get(username='__system__.janitor')
except User.DoesNotExist:
janitor = User()
janitor.first_name = ''
janitor.last_name = ''
janitor.username = '__system__.janitor'
janitor.save()
applications = Application.objects.all()
for application in applications:
if form.cleaned_data['application_handling'] == 'DISCARD':
# need to do this explicit since some applications may belong
# to __system__.janitor which is a permanent user
application.delete(force=True)
applications_removed += 1
else:
# collect all applications and map them to their submitters
submitter = application.submitter
skey = '%s_%s' % (submitter.first_name, submitter.last_name)
if not skey in old_users:
old_users[skey] = []
old_users[skey].append(application.id)
application.submitter = janitor
application.save()
if application.supporter.all():
application.writelog(_('Supporters removed after user import.'), user=request.user)
profiles = Profile.objects.all()
for profile in profiles:
profile.user.delete()
profile.delete()
i = -1
dialect = csv.Sniffer().sniff(request.FILES['csvfile'].readline())
dialect = csv_ext.patchup(dialect)
request.FILES['csvfile'].seek(0)
for (lno, line) in enumerate(csv.reader(request.FILES['csvfile'], dialect=dialect)):
i += 1
if i > 0:
try:
(first_name, last_name, gender, group, type, committee, comment) = line[:7]
except ValueError:
messages.error(request, _('Ignoring malformed line %d in import file.') % (lno + 1))
i -= 1
continue
user = User()
user.last_name = last_name
user.first_name = first_name
user.username = gen_username(first_name, last_name)
#user.email = email
user.save()
profile = Profile()
profile.user = user
profile.gender = gender
profile.group = group
profile.type = type
profile.committee = committee
profile.comment = comment
profile.firstpassword = gen_password()
profile.user.set_password(profile.firstpassword)
profile.user.save()
profile.save()
if type == 'delegate':
delegate = Group.objects.get(name='Delegierter')
user.groups.add(delegate)
else:
observer = Group.objects.get(name='Beobachter')
user.groups.add(observer)
if form.cleaned_data['application_handling'] == 'REASSIGN':
# live remap
skey = '%s_%s' % (user.first_name, user.last_name)
if skey in old_users:
for appid in old_users[skey]:
try:
application = Application.objects.get(id=appid)
application.submitter = user
application.save()
application.writelog(_('Reassigned to "%s" after (re)importing users.') % ("%s %s" % (user.first_name, user.last_name)), user=request.user)
applications_mapped += 1
except Application.DoesNotExist:
messages.error(request, _('Could not reassing application %d - object not found!') % appid)
del old_users[skey]
if old_users:
# mark all applications without a valid user as 'needs review'
# this will account for *all* applications if application_mode == 'INREVIEW'
for skey in old_users:
for appid in old_users[skey]:
try:
application = Application.objects.get(id=appid)
if application.status != 'rev':
application.set_status(user=request.user, status='rev', force=True)
applications_review += 1
except Application.DoesNotExist:
messages.error(request, _('Could not reassing application %d - object not found!') % appid)
if applications_review:
messages.warning(request, ungettext('%d application could not be reassigned and needs a review!',
'%d applications could not be reassigned and need a review!', applications_review) % applications_review)
if applications_mapped:
messages.success(request, ungettext('%d application was successfully reassigned.',
'%d applications were successfully reassigned.', applications_mapped) % applications_mapped)
if applications_removed:
messages.warning(request, ungettext('%d application was discarded.',
'%d applications were discarded.', applications_removed) % applications_removed)
if i > 0:
messages.success(request, _('%d new participants were successfully imported.') % i)
return redirect(reverse('user_overview'))
except csv.Error:
message.error(request, _('Import aborted because of severe errors in the input file.'))
except UnicodeDecodeError:
messages.error(request, _('Import file has wrong character encoding, only UTF-8 is supported!'))
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else:
messages.error(request, _('Please check the form for errors.'))
else:
messages.warning(request, _("Attention: All existing participants will be removed if you import new participants."))
if Application.objects.all():
messages.warning(request, _("Attention: Supporters from all existing applications will be removed."))
messages.warning(request, _("Attention: Applications which can't be mapped to new users will be set to 'Needs Review'."))
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form = UserImportForm()
return {
'form': form,
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}
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@permission_required('participant.can_manage_participant')
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def reset_password(request, user_id):
"""
Reset the Password.
"""
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user = User.objects.get(pk=user_id)
if request.method == 'POST':
user.profile.reset_password()
messages.success(request,
_('The Password for <b>%s</b> was successfully reset.') % user)
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else:
gen_confirm_form(request,
_('Do you really want to reset the password for <b>%s</b>?') % user,
reverse('user_reset_password', args=[user_id]))
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return redirect(reverse('user_edit', args=[user_id]))
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def login(request):
extra_content = {}
try:
admin = User.objects.get(pk=1)
if admin.check_password(config['admin_password']):
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extra_content['first_time_message'] = _(
"Installation was successfully! Use %(user)s "
"(password: %(password)s) for first login.<br>"
"<strong>Important:</strong> Please change the password after "
"first login! Otherwise this message still appears for everyone "
"and could be a security risk.") % {
'user': html_strong(admin.username),
'password': html_strong(config['admin_password'])}
extra_content['next'] = reverse('password_change')
except User.DoesNotExist:
pass
return django_login(request, template_name='participant/login.html', extra_context=extra_content)
@permission_required('participant.can_manage_participant')
@template('participant/group_overview.html')
def get_group_overview(request):
"""
Show all groups.
"""
if config['system_enable_anonymous']:
groups = Group.objects.all()
else:
groups = Group.objects.exclude(name='Anonymous')
return {
'groups': groups,
}
@permission_required('participant.can_manage_participant')
@template('participant/group_edit.html')
def group_edit(request, group_id=None):
"""
Edit a group.
"""
if group_id is not None:
try:
group = Group.objects.get(id=group_id)
except Group.DoesNotExist:
# TODO: return a 404 Object
raise NameError("There is no group %d" % group_id)
else:
group = None
delete_default_permissions()
if request.method == 'POST':
form = GroupForm(request.POST, instance=group)
if form.is_valid():
# TODO: This can be done inside the form
group_name = form.cleaned_data['name'].lower()
# TODO: Why is this code called on any request and not only, if the
# anonymous_group is edited?
try:
anonymous_group = Group.objects.get(name='Anonymous')
except Group.DoesNotExist:
anonymous_group = None
# special handling for anonymous auth
# TODO: This code should be a form validator.
if group is None and group_name.strip().lower() == 'anonymous':
# don't allow to create this group
messages.error(request,
_('Group name "%s" is reserved for internal use.')
% group_name)
return {
'form': form,
'group': group
}
group = form.save()
try:
openslides_group = OpenSlidesGroup.objects.get(group=group)
except OpenSlidesGroup.DoesNotExist:
django_group = None
if form.cleaned_data['as_user'] and django_group is None:
OpenSlidesGroup(group=group).save()
elif not form.cleaned_data['as_user'] and django_group:
django_group.delete()
if anonymous_group is not None and \
anonymous_group.id == group.id:
# prevent name changes -
# XXX: I'm sure this could be done as *one* group.save()
group.name = 'Anonymous'
group.save()
if group_id is None:
messages.success(request,
_('New group was successfully created.'))
else:
messages.success(request, _('Group was successfully modified.'))
if not 'apply' in request.POST:
return redirect(reverse('user_group_overview'))
if group_id is None:
return redirect(reverse('user_group_edit', args=[group.id]))
else:
messages.error(request, _('Please check the form for errors.'))
else:
if group and OpenSlidesGroup.objects.filter(group=group).exists():
initial = {'as_user': True}
else:
initial = {'as_user': False}
form = GroupForm(instance=group, initial=initial)
return {
'form': form,
'group': group,
}
@permission_required('participant.can_manage_participant')
def group_delete(request, group_id):
"""
Delete a group.
"""
group = Group.objects.get(pk=group_id)
if request.method == 'POST':
group.delete()
messages.success(request,
_('Group <b>%s</b> was successfully deleted.') % group)
else:
gen_confirm_form(request,
_('Do you really want to delete <b>%s</b>?') % group,
reverse('user_group_delete', args=[group_id]))
return redirect(reverse('user_group_overview'))
class Config(FormView):
"""
Config page for the participant app.
"""
permission_required = 'config.can_manage_config'
form_class = ConfigForm
template_name = 'participant/config.html'
def get_initial(self):
return {
'participant_pdf_system_url': config['participant_pdf_system_url'],
'participant_pdf_welcometext': config['participant_pdf_welcometext']
}
def form_valid(self, form):
config['participant_pdf_system_url'] = \
form.cleaned_data['participant_pdf_system_url']
config['participant_pdf_welcometext'] = \
form.cleaned_data['participant_pdf_welcometext']
messages.success(self.request,
_('Participants settings successfully saved.'))
return super(Config, self).form_valid(form)
def register_tab(request):
"""
Register the participant tab.
"""
selected = request.path.startswith('/participant/')
return Tab(
title=_('Participants'),
url=reverse('user_overview'),
permission=request.user.has_perm('participant.can_see_participant')
or request.user.has_perm('participant.can_manage_participant'),
selected=selected,
)