OpenSlides/openslides/agenda/signals.py
Norman Jäckel c5fbe2e9ee Refactored config API.
Removed form_field attributes.
Added extra fields for HTML rendering like label and help text.
Added fields for sorting and grouping. Removed old collection system.
Added config groups to config view via OPTIONS requests.
Regrouped all variables.
Added validation. Changed internal handling.
2015-06-18 21:13:30 +02:00

87 lines
3.1 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.config.api 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.config.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 speach] starts the countdown, [End speach] 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_delete_signal(sender, instance, **kwargs):
"""
Receiver function to change agenda items of a related item that is to
be deleted. It is connected to the signal
django.db.models.signals.pre_delete during app loading.
"""
if hasattr(instance, 'get_agenda_title'):
for item in Item.objects.filter(content_type=ContentType.objects.get_for_model(sender), object_id=instance.pk):
item.title = '< Item for deleted (%s) >' % instance.get_agenda_title()
item.content_type = None
item.object_id = None
item.save()