OpenSlides/server/openslides/topics/models.py

47 lines
1.3 KiB
Python
Raw Normal View History

from django.db import models
from openslides.utils.manager import BaseManager
from ..agenda.mixins import AgendaItemWithListOfSpeakersMixin
from ..mediafiles.models import Mediafile
from ..utils.models import RESTModelMixin
class TopicManager(BaseManager):
2016-09-30 20:42:58 +02:00
"""
Customized model manager to support our get_prefetched_queryset method.
2016-09-30 20:42:58 +02:00
"""
2019-01-06 16:22:33 +01:00
def get_prefetched_queryset(self, *args, **kwargs):
2016-09-30 20:42:58 +02:00
"""
Returns the normal queryset with all topics. In the background all
attachments and the related agenda item are prefetched from the
database.
"""
return (
super()
.get_prefetched_queryset(*args, **kwargs)
.prefetch_related("attachments", "lists_of_speakers", "agenda_items")
)
class Topic(RESTModelMixin, AgendaItemWithListOfSpeakersMixin, models.Model):
"""
Model for slides with custom content. Used to be called custom slide.
"""
2019-01-06 16:22:33 +01:00
objects = TopicManager()
title = models.CharField(max_length=256)
text = models.TextField(blank=True)
attachments = models.ManyToManyField(Mediafile, blank=True)
class Meta:
default_permissions = ()
def __str__(self):
return self.title
def get_title_information(self):
2019-02-15 12:17:08 +01:00
return {"title": self.title}