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from django.db import models
from datetime import date
from pgweb.core.models import Organisation, OrganisationEmail
from pgweb.core.text import ORGANISATION_HINT_TEXT
from pgweb.util.moderation import TristateModerateModel, ModerationState, TwoModeratorsMixin
from django.template.defaultfilters import slugify
from .util import send_news_email, render_news_template, embed_images_in_html
class NewsTag(models.Model):
urlname = models.CharField(max_length=20, null=False, blank=False, unique=True)
name = models.CharField(max_length=32, null=False, blank=False)
description = models.CharField(max_length=200, null=False, blank=False)
allowed_orgs = models.ManyToManyField(Organisation, blank=True,
help_text="Organisations allowed to use this tag")
sortkey = models.IntegerField(null=False, blank=False, default=100)
def purge_urls(self):
yield '/about/news/taglist.json/'
def __str__(self):
return self.name
class Meta:
ordering = ('sortkey', 'urlname', )
class NewsArticle(TwoModeratorsMixin, TristateModerateModel):
org = models.ForeignKey(Organisation, null=False, blank=False, verbose_name="Organisation", help_text=ORGANISATION_HINT_TEXT, on_delete=models.CASCADE)
email = models.ForeignKey(OrganisationEmail, null=True, blank=True, verbose_name="Reply email", on_delete=models.PROTECT)
date = models.DateField(null=False, blank=False, default=date.today, db_index=True)
title = models.CharField(max_length=200, null=False, blank=False)
content = models.TextField(null=False, blank=False)
tweeted = models.BooleanField(null=False, blank=False, default=False)
tags = models.ManyToManyField(NewsTag, blank=False, help_text="Select the tags appropriate for this post")
account_edit_suburl = 'news'
markdown_fields = ('content',)
moderation_fields = ('permanenturl', 'org', 'sentfrom', 'email', 'date', 'title', 'content', 'taglist')
preview_fields = ('title', 'sentfrom', 'email', 'content', 'taglist')
notify_fields = ('org', 'email', 'date', 'title', 'content', 'tags')
rendered_preview_fields = ('content', )
extramodnotice = "In particular, note that news articles will be sent by email to subscribers, and therefor cannot be recalled in any way once sent."
def purge_urls(self):
yield '/about/news/%s/' % self.pk
yield '/about/news/.*-%s/' % self.pk
yield '/about/newsarchive/'
yield '/news.rss'
yield '/news/.*.rss'
# FIXME: when to expire the front page?
yield '/$'
def __str__(self):
return "%s: %s" % (self.date, self.title)
@property
def permanenturl(self):
return '/about/news/{}-{}/'.format(slugify(self.title), self.id)
def verify_submitter(self, user):
return (len(self.org.managers.filter(pk=user.pk)) == 1)
def is_migrated(self):
if self.org.pk == 0:
return True
return False
@property
def taglist(self):
return ", ".join([t.name for t in self.tags.all()])
@property
def sentfrom(self):
return self.org.fromnameoverride if self.org.fromnameoverride else '{} via PostgreSQL Announce'.format(self.org.name)
@property
def displaydate(self):
return self.date.strftime("%Y-%m-%d")
class Meta:
ordering = ('-date',)
@classmethod
def get_formclass(self):
from pgweb.news.forms import NewsArticleForm
return NewsArticleForm
@property
def block_edit(self):
# Don't allow editing of news articles that have been published
return self.modstate in (ModerationState.PENDING, ModerationState.APPROVED)
def on_approval(self, request):
send_news_email(self)
def render_preview_field(self, fieldname, val):
if fieldname == 'content':
html, attachments = render_news_template(self)
return embed_images_in_html(html, attachments)
def get_field_description(self, f):
if f == 'title':
return 'Title/subject'
elif f == 'sentfrom':
return 'Sent from'
elif f == 'email':
return 'Direct replies to'
elif f == 'taglist':
return 'List of tags'
elif f == 'content':
return 'Content preview'
elif f == 'permanenturl':
return 'Permanent URL'
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