from django.contrib.auth.models import Group as DjangoGroup from django.contrib.auth.models import User as DjangoUser from django.contrib.auth.models import Permission from django.contrib.contenttypes.models import ContentType from django.core.urlresolvers import reverse 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.config.api import config from openslides.projector.models import SlideMixin from openslides.utils.models import AbsoluteUrlMixin from openslides.utils.person import Person, PersonMixin from openslides.utils.person.signals import receive_persons class User(SlideMixin, PersonMixin, Person, AbsoluteUrlMixin, 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 __str__(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': url = reverse('user_view', args=[str(self.pk)]) elif link == 'update': url = reverse('user_edit', args=[str(self.pk)]) elif link == 'delete': url = reverse('user_delete', args=[str(self.pk)]) else: url = super(User, self).get_absolute_url(link) return url def get_slide_context(self, **context): # Does not call super. In this case the context would override the name # 'user'. return {'shown_user': self} @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, AbsoluteUrlMixin, 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 __str__(self): return str(self.name) def get_absolute_url(self, link='detail'): """ Return the URL to the user group. """ if link == 'detail': url = reverse('user_group_view', args=[str(self.pk)]) elif link == 'update': url = reverse('user_group_edit', args=[str(self.pk)]) elif link == 'delete': url = reverse('user_group_delete', args=[str(self.pk)]) else: url = super(Group, self).get_absolute_url(link) return url 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')