c15432d3192507a4698ff8982b064b7c6186c883
[prawokultury.git] / 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 datetime import datetime
6 from django.conf import settings
7 from django.contrib.sites.models import Site
8 from django.core.exceptions import ValidationError
9 from django.core.mail import send_mail
10 from django.db import models
11 from django.template import loader, Context
12 from django.utils.translation import get_language, ugettext_lazy as _, ugettext
13 from django_comments_xtd.models import XtdComment
14 from markupfield.fields import MarkupField
15 from migdal import app_settings
16 from migdal.helpers import add_translatable
17 from migdal.fields import SlugNullField
18
19 class Category(models.Model):
20     taxonomy = models.CharField(_('taxonomy'), max_length=32,
21                     choices=app_settings.TAXONOMIES)
22
23     class Meta:
24         verbose_name = _('category')
25         verbose_name_plural = _('categories')
26
27     def __unicode__(self):
28         return self.title
29
30     @models.permalink
31     def get_absolute_url(self):
32         return ('migdal_category', [self.slug])
33
34
35 add_translatable(Category, {
36     'title': models.CharField(max_length=64, unique=True, db_index=True),
37     'slug': models.SlugField(unique=True, db_index=True),
38 })
39
40
41 class Entry(models.Model):
42     type = models.CharField(max_length=16,
43             choices=((t.db, t.slug) for t in app_settings.TYPES),
44             db_index=True)
45     date = models.DateTimeField(_('created at'), auto_now_add=True, db_index=True)
46     changed_at = models.DateTimeField(_('changed at'), auto_now=True, db_index=True)
47     author = models.CharField(_('author'), max_length=128)
48     author_email = models.EmailField(_('author email'), max_length=128, null=True, blank=True,
49             help_text=_('Used only to display gravatar and send notifications.'))
50     image = models.ImageField(_('image'), upload_to='entry/image/', null=True, blank=True)
51     promo = models.BooleanField(_('promoted'), default=False)
52     categories = models.ManyToManyField(Category, null=True, blank=True, verbose_name=_('categories'))
53
54     class Meta:
55         verbose_name = _('entry')
56         verbose_name_plural = _('entries')
57         ordering = ['-date']
58
59     def __unicode__(self):
60         return self.title
61
62     def save(self, *args, **kwargs):
63         published_now = False
64         for lc, ln in settings.LANGUAGES:
65             if (getattr(self, "published_%s" % lc)
66                     and getattr(self, "published_at_%s" % lc) is None):
67                 setattr(self, "published_at_%s" % lc, datetime.now())
68                 published_now = True
69         super(Entry, self).save(*args, **kwargs)
70         if published_now:
71             self.notify_author_published()
72
73     def clean(self):
74         for lc, ln in settings.LANGUAGES:
75             if (getattr(self, "published_%s" % lc) and
76                     not getattr(self, "slug_%s" % lc)):
77                 raise ValidationError(
78                     ugettext("Published entry should have a slug in relevant language (%s).") % lc)
79
80     @models.permalink
81     def get_absolute_url(self):
82         return ('migdal_entry_%s' % self.type, [self.slug])
83
84     def get_type(self):
85         return dict(app_settings.TYPES_DICT)[self.type]
86
87     def notify_author_published(self):
88         if not self.author_email:
89             return
90         site = Site.objects.get_current()
91         mail_text = loader.get_template('migdal/mail/published.txt').render(
92             Context({
93                 'entry': self,
94                 'site': site,
95             }))
96         send_mail(
97             ugettext(u'Your story has been published at %s.') % site.domain,
98             mail_text, settings.SERVER_EMAIL, [self.author_email]
99         )
100
101
102 add_translatable(Entry, languages=app_settings.OPTIONAL_LANGUAGES, fields={
103     'needed': models.CharField(_('needed'), max_length=1, db_index=True, choices=(
104                 ('n', _('Unneeded')), ('w', _('Needed')), ('y', _('Done'))),
105                 default='n'),
106 })
107
108 add_translatable(Entry, {
109     'slug': SlugNullField(unique=True, db_index=True, null=True, blank=True),
110     'title': models.CharField(_('title'), max_length=255, null=True, blank=True),
111     'lead': MarkupField(_('lead'), markup_type='textile_pl', null=True, blank=True,
112                 help_text=_('Use <a href="http://textile.thresholdstate.com/">Textile</a> syntax.')),
113     'body': MarkupField(_('body'), markup_type='textile_pl', null=True, blank=True,
114                 help_text=_('Use <a href="http://textile.thresholdstate.com/">Textile</a> syntax.')),
115     'published': models.BooleanField(_('published'), default=False),
116     'published_at': models.DateTimeField(_('published at'), null=True, blank=True),
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)