88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import, print_function, unicode_literals
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import json
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from channels import Group
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from cms.models import CMSPlugin
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from cms.utils.plugins import reorder_plugins
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from djangocms_text_ckeditor.models import AbstractText
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from filer.fields.image import FilerImageField
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from djangocms_blog.models import Post, thumbnail_model
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DATE_FORMAT = "%a %d %b %Y %H:%M"
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class LiveblogInterface(models.Model):
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"""
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Abstract Liveblog plugin model, reusable to customize the liveblogging plugins.
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When implementing this, you **must** call ``self._post_save()`` in the concrete
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plugin model ``save`` method.
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"""
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publish = models.BooleanField(_('publish liveblog entry'), default=False)
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node_order_by = '-changed_date'
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class Meta:
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verbose_name = _('liveblog entry')
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verbose_name_plural = _('liveblog entries')
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abstract = True
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def _post_save(self):
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if self.publish:
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self.send()
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order = CMSPlugin.objects.filter(
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placeholder=self.placeholder
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).order_by('placeholder', 'path').values_list('pk', flat=True)
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reorder_plugins(self.placeholder, None, self.language, order)
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@property
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def liveblog_group(self):
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post = Post.objects.language(self.language).filter(liveblog=self.placeholder).first()
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if post:
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return post.liveblog_group
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def render(self):
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return self.render_plugin()
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def send(self):
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"""
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Render the content and send to the related group
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"""
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if self.liveblog_group:
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notification = {
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'id': self.pk,
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'content': self.render(),
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'creation_date': self.creation_date.strftime(DATE_FORMAT),
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'changed_date': self.changed_date.strftime(DATE_FORMAT),
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}
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Group(self.liveblog_group).send({
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'text': json.dumps(notification),
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})
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class Liveblog(LiveblogInterface, AbstractText):
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"""
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Basic liveblog plugin model
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"""
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title = models.CharField(_('title'), max_length=255)
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image = FilerImageField(
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verbose_name=_('image'), blank=True, null=True, on_delete=models.SET_NULL,
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related_name='djangocms_blog_liveblog_image'
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)
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thumbnail = models.ForeignKey(
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thumbnail_model, verbose_name=_('thumbnail size'), on_delete=models.SET_NULL,
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blank=True, null=True, related_name='djangocms_blog_liveblog_thumbnail'
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)
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class Meta:
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verbose_name = _('liveblog entry')
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verbose_name_plural = _('liveblog entries')
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def save(self, *args, **kwargs):
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super(Liveblog, self).save(*args, **kwargs)
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self._post_save()
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