Source code for

import uuid
from functools import cached_property

from django.db import models
from django.utils.translation import gettext_lazy as _
from i18nfield.fields import I18nCharField

from pretalx.common.models.mixins import OrderedModel, PretalxModel
from pretalx.common.models.settings import GlobalSettings
from pretalx.common.urls import EventUrls

[docs] class Room(OrderedModel, PretalxModel): """A Room is an actual place where talks will be scheduled. The Room object stores some meta information. Most, like capacity, are not in use right now. """ event = models.ForeignKey( to="event.Event", on_delete=models.PROTECT, related_name="rooms" ) name = I18nCharField(max_length=100, verbose_name=_("Name")) guid = models.UUIDField( null=True, blank=True, verbose_name=_("GUID"), help_text=_( "Unique identifier (UUID) to help external tools identify the room." ), ) description = I18nCharField( max_length=1000, null=True, blank=True, verbose_name=_("Description"), help_text=_("A description for attendees, for example directions."), ) speaker_info = I18nCharField( max_length=1000, null=True, blank=True, verbose_name=_("Speaker Information"), help_text=_( "Information relevant for speakers scheduled in this room, for example room size, special directions, available adaptors for video input …" ), ) capacity = models.PositiveIntegerField( null=True, blank=True, verbose_name=_("Capacity"), help_text=_("How many people can fit in the room?"), ) position = models.PositiveIntegerField(null=True, blank=True) class Meta: ordering = ("position",) unique_together = ("event", "guid") class urls(EventUrls): settings_base = edit = "{self.event.orga_urls.room_settings}{}/" delete = "{settings_base}delete" up = "{settings_base}up" down = "{settings_base}down" def __str__(self) -> str: return str( @staticmethod def get_order_queryset(event): return event.rooms.all() @cached_property def uuid(self): """Either a UUID5 calculated from the submission code and the instance identifier; or GUID value of the room, if it was imported or set manually.""" if self.guid: return self.guid if not return "" return uuid.uuid5(GlobalSettings().get_instance_identifier(), f"room:{}")