migdal/models.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of PrawoKultury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from django.conf import settings
   6 from django.contrib.sites.models import Site
   7 from django.core.exceptions import ValidationError
   8 from django.core.mail import send_mail
   9 from django.db import models
  10 from django.template import loader, Context
  11 from django.utils.translation import get_language, ugettext_lazy as _, ugettext
  12 from django_comments_xtd.models import XtdComment
  13 from markupfield.fields import MarkupField
  14 from migdal import app_settings
  15 from migdal.helpers import add_translatable
  16 from migdal.fields import SlugNullField
  17
  18 class Category(models.Model):
  19     taxonomy = models.CharField(_('taxonomy'), max_length=32,
  20                     choices=app_settings.TAXONOMIES)
  21
  22     class Meta:
  23         verbose_name = _('category')
  24         verbose_name_plural = _('categories')
  25
  26     def __unicode__(self):
  27         return self.title
  28
  29     @models.permalink
  30     def get_absolute_url(self):
  31         return ('migdal_category', [self.slug])
  32
  33
  34 add_translatable(Category, {
  35     'title': models.CharField(max_length=64, unique=True, db_index=True),
  36     'slug': models.SlugField(unique=True, db_index=True),
  37 })
  38
  39
  40 class Entry(models.Model):
  41     type = models.CharField(max_length=16,
  42             choices=((t.db, t.slug) for t in app_settings.TYPES),
  43             db_index=True)
  44     date = models.DateTimeField(auto_now_add=True, db_index=True, editable=True)
  45     author = models.CharField(_('author'), max_length=128)
  46     author_email = models.EmailField(_('author email'), max_length=128, null=True, blank=True,
  47             help_text=_('Used only to display gravatar and send notifications.'))
  48     image = models.ImageField(_('image'), upload_to='entry/image/', null=True, blank=True)
  49     promo = models.BooleanField(_('promoted'), default=False)
  50     categories = models.ManyToManyField(Category, null=True, blank=True, verbose_name=_('categories'))
  51
  52     class Meta:
  53         verbose_name = _('entry')
  54         verbose_name_plural = _('entries')
  55         ordering = ['-date']
  56
  57     def __unicode__(self):
  58         return self.title
  59
  60     def save(self, *args, **kwargs):
  61         if self.pk is not None:
  62             orig = type(self).objects.get(pk=self.pk)
  63             published_now = False
  64             for lc, ln in settings.LANGUAGES:
  65                 if (not getattr(orig, "published_%s" % lc) and
  66                         getattr(self, "published_%s" % lc)):
  67                     published_now = True
  68             if published_now:
  69                 self.notify_author_published()
  70         super(Entry, self).save(*args, **kwargs)
  71
  72     def clean(self):
  73         for lc, ln in settings.LANGUAGES:
  74             if (getattr(self, "published_%s" % lc) and
  75                     not getattr(self, "slug_%s" % lc)):
  76                 raise ValidationError(
  77                     ugettext("Published entry should have a slug in relevant language (%s).") % lc)
  78
  79     @models.permalink
  80     def get_absolute_url(self):
  81         return ('migdal_entry_%s' % self.type, [self.slug])
  82
  83     def get_type(self):
  84         return dict(app_settings.TYPES_DICT)[self.type]
  85
  86     def notify_author_published(self):
  87         if not self.author_email:
  88             return
  89         site = Site.objects.get_current()
  90         mail_text = loader.get_template('migdal/mail/published.txt').render(
  91             Context({
  92                 'entry': self,
  93                 'site': site,
  94             }))
  95         send_mail(
  96             ugettext(u'Your story has been published at %s.') % site.domain,
  97             mail_text, settings.SERVER_EMAIL, [self.author_email]
  98         )
  99
 100
 101
 102
 103 add_translatable(Entry, languages=app_settings.OPTIONAL_LANGUAGES, fields={
 104     'needed': models.CharField(_('needed'), max_length=1, db_index=True, choices=(
 105                 ('n', _('Unneeded')), ('w', _('Needed')), ('y', _('Done'))),
 106                 default='n'),
 107 })
 108
 109 add_translatable(Entry, {
 110     'slug': SlugNullField(unique=True, db_index=True, null=True, blank=True),
 111     'title': models.CharField(_('title'), max_length=255, null=True, blank=True),
 112     'lead': MarkupField(_('lead'), markup_type='textile_pl', null=True, blank=True,
 113                 help_text=_('Use <a href="http://textile.thresholdstate.com/">Textile</a> syntax.')),
 114     'body': MarkupField(_('body'), markup_type='textile_pl', null=True, blank=True,
 115                 help_text=_('Use <a href="http://textile.thresholdstate.com/">Textile</a> syntax.')),
 116     'published': models.BooleanField(_('published'), default=False),
 117 })
 118
 119
 120 class Attachment(models.Model):
 121     file = models.FileField(_('file'), upload_to='entry/attach/')
 122     entry = models.ForeignKey(Entry)
 123
 124     def url(self):
 125         return self.file.url if self.file else ''
 126
 127
 128
 129 def notify_new_comment(sender, instance, created, **kwargs):
 130     if (created and isinstance(instance.content_object, Entry) and
 131                 instance.content_object.author_email):
 132         site = Site.objects.get_current()
 133         mail_text = loader.get_template('migdal/mail/new_comment.txt').render(
 134             Context({
 135                 'comment': instance,
 136                 'site': site,
 137             }))
 138         send_mail(
 139             ugettext(u'New comment under your story at %s.') % site.domain,
 140             mail_text, settings.SERVER_EMAIL,
 141             [instance.content_object.author_email]
 142         )
 143 models.signals.post_save.connect(notify_new_comment, sender=XtdComment)