50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
from django.db import models
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from openslides.utils.manager import BaseManager
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from ..agenda.mixins import AgendaItemWithListOfSpeakersMixin
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from ..mediafiles.models import Mediafile
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from ..utils.models import RESTModelMixin
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from .access_permissions import TopicAccessPermissions
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class TopicManager(BaseManager):
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"""
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Customized model manager to support our get_prefetched_queryset method.
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"""
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def get_prefetched_queryset(self, *args, **kwargs):
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"""
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Returns the normal queryset with all topics. In the background all
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attachments and the related agenda item are prefetched from the
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database.
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"""
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return (
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super()
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.get_prefetched_queryset(*args, **kwargs)
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.prefetch_related("attachments", "lists_of_speakers", "agenda_items")
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)
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class Topic(RESTModelMixin, AgendaItemWithListOfSpeakersMixin, models.Model):
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"""
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Model for slides with custom content. Used to be called custom slide.
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"""
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access_permissions = TopicAccessPermissions()
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objects = TopicManager()
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title = models.CharField(max_length=256)
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text = models.TextField(blank=True)
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attachments = models.ManyToManyField(Mediafile, blank=True)
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class Meta:
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default_permissions = ()
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def __str__(self):
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return self.title
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def get_title_information(self):
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return {"title": self.title}
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