OpenSlides/openslides/participant/models.py
Oskar Hahn ecf5248962 Rework of the projector with websocket
* Set a static projector title
* absolute_urls for the activate links
* update the projector when a slide changes (in save())
* insert the absolute_url template filter
* Preview to slides
* renamed is_active to is_active_slide
* The SlideMixin has to come before the PersonMixin
* Update list of speakers
* Render Countdown via JS
* Reconnect projector after connection lost
* Overlays can allways be active and do not appear in the widget
* Rewrote the clock as overlay
2013-09-24 23:35:05 +02:00

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.participant.models
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Models for the participant app.
:copyright: 20112013 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from django.core.urlresolvers import reverse
from django.contrib.auth.models import User as DjangoUser, Group as DjangoGroup, Permission
from django.contrib.contenttypes.models import ContentType
from django.db import models
from django.db.models import signals
from django.dispatch import receiver
from django.utils.translation import ugettext_lazy, ugettext_noop
from openslides.utils.person import PersonMixin, Person
from openslides.utils.person.signals import receive_persons
from openslides.config.api import config
from openslides.projector.models import SlideMixin
class User(SlideMixin, PersonMixin, Person, DjangoUser):
slide_callback_name = 'user'
person_prefix = 'user'
GENDER_CHOICES = (
('male', ugettext_lazy('Male')),
('female', ugettext_lazy('Female')),
)
django_user = models.OneToOneField(DjangoUser, editable=False, parent_link=True)
structure_level = models.CharField(
max_length=255, blank=True, default='', verbose_name=ugettext_lazy("Structure level"),
help_text=ugettext_lazy('Will be shown after the name.'))
title = models.CharField(
max_length=50, blank=True, default='', verbose_name=ugettext_lazy("Title"),
help_text=ugettext_lazy('Will be shown before the name.'))
gender = models.CharField(
max_length=50, choices=GENDER_CHOICES, blank=True,
verbose_name=ugettext_lazy("Gender"), help_text=ugettext_lazy('Only for filtering the participant list.'))
committee = models.CharField(
max_length=255, blank=True, default='', verbose_name=ugettext_lazy("Committee"),
help_text=ugettext_lazy('Only for filtering the participant list.'))
about_me = models.TextField(
blank=True, default='', verbose_name=ugettext_lazy('About me'),
help_text=ugettext_lazy('Your profile text'))
comment = models.TextField(
blank=True, default='', verbose_name=ugettext_lazy('Comment'),
help_text=ugettext_lazy('Only for notes.'))
default_password = models.CharField(
max_length=100, blank=True, default='',
verbose_name=ugettext_lazy("Default password"))
class Meta:
permissions = (
('can_see_participant', ugettext_noop('Can see participants')),
('can_manage_participant', ugettext_noop('Can manage participants')),
)
ordering = ('last_name',)
def __unicode__(self):
if self.name_suffix:
return u"%s (%s)" % (self.clean_name, self.name_suffix)
return u"%s" % self.clean_name
def get_absolute_url(self, link='detail'):
"""
Return the URL to the user.
"""
if link == 'detail' or link == 'view':
return reverse('user_view', args=[str(self.id)])
if link == 'edit':
return reverse('user_edit', args=[str(self.id)])
if link == 'delete':
return reverse('user_delete', args=[str(self.id)])
return super(User, self).get_absolute_url(link)
@property
def clean_name(self):
if self.title:
name = "%s %s" % (self.title, self.get_full_name())
else:
name = self.get_full_name()
return name or self.username
def get_name_suffix(self):
return self.structure_level
def set_name_suffix(self, value):
self.structure_level = value
name_suffix = property(get_name_suffix, set_name_suffix)
def reset_password(self, password=None):
"""
Reset the password for the user to his default-password.
"""
if password is None:
password = self.default_password
self.set_password(password)
self.save()
@property
def sort_name(self):
if config['participant_sort_users_by_first_name']:
return self.first_name.lower()
return self.last_name.lower()
class Group(SlideMixin, PersonMixin, Person, DjangoGroup):
slide_callback_name = 'group'
person_prefix = 'group'
django_group = models.OneToOneField(DjangoGroup, editable=False, parent_link=True)
group_as_person = models.BooleanField(
default=False, verbose_name=ugettext_lazy("Use this group as participant"),
help_text=ugettext_lazy('For example as submitter of a motion.'))
description = models.TextField(blank=True, verbose_name=ugettext_lazy("Description"))
class Meta:
ordering = ('name',)
def __unicode__(self):
return unicode(self.name)
def get_absolute_url(self, link='detail'):
"""
Return the URL to the user group.
"""
if link == 'detail' or link == 'view':
return reverse('user_group_view', args=[str(self.id)])
if link == 'update' or link == 'edit':
return reverse('user_group_edit', args=[str(self.id)])
if link == 'delete':
return reverse('user_group_delete', args=[str(self.id)])
return super(Group, self).get_absolute_url(link)
class UsersAndGroupsToPersons(object):
"""
Object to send all Users and Groups or a special User or Group to
the Person-API via receice_persons()
"""
def __init__(self, person_prefix_filter=None, id_filter=None):
self.person_prefix_filter = person_prefix_filter
self.id_filter = id_filter
if config['participant_sort_users_by_first_name']:
self.users = User.objects.all().order_by('first_name')
else:
self.users = User.objects.all().order_by('last_name')
self.groups = Group.objects.filter(group_as_person=True)
def __iter__(self):
if (not self.person_prefix_filter or
self.person_prefix_filter == User.person_prefix):
if self.id_filter:
try:
yield self.users.get(pk=self.id_filter)
except User.DoesNotExist:
pass
else:
for user in self.users:
yield user
if (not self.person_prefix_filter or
self.person_prefix_filter == Group.person_prefix):
if self.id_filter:
try:
yield self.groups.get(pk=self.id_filter)
except Group.DoesNotExist:
pass
else:
for group in self.groups:
yield group
@receiver(receive_persons, dispatch_uid="participant")
def receive_persons(sender, **kwargs):
"""
Answers to the Person-API
"""
return UsersAndGroupsToPersons(
person_prefix_filter=kwargs['person_prefix_filter'],
id_filter=kwargs['id_filter'])
@receiver(signals.post_save, sender=DjangoUser)
def djangouser_post_save(sender, instance, signal, *args, **kwargs):
try:
instance.user
except User.DoesNotExist:
User(django_user=instance).save_base(raw=True)
@receiver(signals.post_save, sender=DjangoGroup)
def djangogroup_post_save(sender, instance, signal, *args, **kwargs):
try:
instance.group
except Group.DoesNotExist:
Group(django_group=instance).save_base(raw=True)
@receiver(signals.post_save, sender=User)
def user_post_save(sender, instance, *args, **kwargs):
if not kwargs['created']:
return
from openslides.participant.api import get_registered_group # TODO: Test, if global import is possible
registered = get_registered_group()
instance.groups.add(registered)
instance.save()
def get_protected_perm():
"""
Returns the permission to manage participants. This function is a helper
function used to protect manager users from locking out themselves.
"""
return Permission.objects.get(
content_type=ContentType.objects.get(app_label='participant', model='user'),
codename='can_manage_participant')