OpenSlides/openslides/agenda/signals.py
Oskar Hahn 12a08b9732 New Agenda Item
Changed agenda item, so it can not be manualy created, but is always created
when a custom slide, motion or assignment is created.
2015-10-29 15:44:43 +01:00

96 lines
3.4 KiB
Python

from datetime import datetime
from django.contrib.contenttypes.models import ContentType
from django.core.exceptions import ValidationError as DjangoValidationError
from django.core.validators import MaxLengthValidator, MinValueValidator
from django.utils.translation import ugettext as _
from django.utils.translation import ugettext_lazy
from openslides.core.config import ConfigVariable
from .models import Item
def validate_start_time(value):
try:
datetime.strptime(value, '%d.%m.%Y %H:%M')
except ValueError:
raise DjangoValidationError(_('Invalid input.'))
def setup_agenda_config(sender, **kwargs):
"""
Receiver function to setup all agenda config variables. They are not
grouped. This function connected to the signal
openslides.core.signals.config_signal during app loading.
"""
# TODO: Use an input type with generic datetime support.
yield ConfigVariable(
name='agenda_start_event_date_time',
default_value='',
label=ugettext_lazy('Begin of event'),
help_text=ugettext_lazy('Input format: DD.MM.YYYY HH:MM'),
weight=210,
group=ugettext_lazy('Agenda'),
validators=(validate_start_time,))
yield ConfigVariable(
name='agenda_show_last_speakers',
default_value=1,
input_type='integer',
label=ugettext_lazy('Number of last speakers to be shown on the projector'),
weight=220,
group=ugettext_lazy('Agenda'),
validators=(MinValueValidator(0),))
yield ConfigVariable(
name='agenda_couple_countdown_and_speakers',
default_value=False,
input_type='boolean',
label=ugettext_lazy('Couple countdown with the list of speakers'),
help_text=ugettext_lazy('[Begin speech] starts the countdown, [End speech] stops the countdown.'),
weight=230,
group=ugettext_lazy('Agenda'))
yield ConfigVariable(
name='agenda_number_prefix',
default_value='',
label=ugettext_lazy('Numbering prefix for agenda items'),
weight=240,
group=ugettext_lazy('Agenda'),
validators=(MaxLengthValidator(20),))
yield ConfigVariable(
name='agenda_numeral_system',
default_value='arabic',
input_type='choice',
label=ugettext_lazy('Numeral system for agenda items'),
choices=(
{'value': 'arabic', 'display_name': ugettext_lazy('Arabic')},
{'value': 'roman', 'display_name': ugettext_lazy('Roman')}),
weight=250,
group=ugettext_lazy('Agenda'))
def listen_to_related_object_post_save(sender, instance, created, **kwargs):
"""
Receiver function to create agenda items. It is connected to the signal
django.db.models.signals.post_save during app loading.
"""
if created and hasattr(instance, 'get_agenda_title'):
Item.objects.create(content_object=instance)
def listen_to_related_object_post_delete(sender, instance, **kwargs):
"""
Receiver function to delete agenda items. It is connected to the signal
django.db.models.signals.post_delete during app loading.
"""
if hasattr(instance, 'get_agenda_title'):
content_type = ContentType.objects.get_for_model(instance)
try:
Item.objects.get(object_id=instance.pk, content_type=content_type).delete()
except Item.DoesNotExist:
# Item does not exist so we do not have to delete it.
pass