questions/models.py

   1 # -*- coding: utf-8
   2 from datetime import datetime
   3 from django.conf import settings
   4 from django.contrib.sites.models import Site
   5 from django.core.mail import EmailMultiAlternatives
   6 from django.db import models
   7 from django.template import loader, Context
   8 from django.utils.translation import ugettext_lazy as _
   9 from markupfield.fields import MarkupField
  10 from taggit_autosuggest.managers import TaggableManager
  11
  12
  13 class Question(models.Model):
  14     email = models.EmailField(_('contact e-mail'), null=True, blank=True)
  15     question = models.TextField(_('question'), db_index=True)
  16     created_at = models.DateTimeField(_('created at'), auto_now_add=True)
  17     changed_at = models.DateTimeField(_('changed at'), auto_now=True)
  18     approved = models.BooleanField(_('approved'), default=False)
  19     edited_question = models.TextField(_('edited question'), db_index=True, null=True, blank=True,
  20             help_text=_("Leave empty if question doesn't need editing."))
  21     answer = MarkupField(_('answer'), markup_type='textile_pl', blank=True,
  22             help_text=_('Use <a href="http://textile.thresholdstate.com/">Textile</a> syntax.'))
  23     answered = models.BooleanField(_('answered'), db_index=True, default=False,
  24             help_text=_('Check to send the answer to user.'))
  25     answered_at = models.DateTimeField(_('answered at'), null=True, blank=True, db_index=True)
  26     published = models.BooleanField(_('published'), db_index=True, default=False,
  27         help_text=_('Check to display answered question on site.'))
  28     published_at = models.DateTimeField(_('published at'), null=True, blank=True, db_index=True)
  29
  30     tags = TaggableManager()
  31
  32     class Meta:
  33         ordering = ['-created_at']
  34         verbose_name = _('question')
  35         verbose_name_plural = _('questions')
  36
  37     def __unicode__(self):
  38         return self.edited_question or self.question
  39
  40     @models.permalink
  41     def get_absolute_url(self):
  42         return ('questions_question', (self.pk,))
  43
  44     def notify_author(self):
  45         if not self.email:
  46             return
  47         site = Site.objects.get_current()
  48         context = Context({
  49                 'question': self,
  50                 'site': site,
  51             })
  52         text_content = loader.get_template('questions/answered_mail.txt'
  53             ).render(context)
  54         html_content = loader.get_template('questions/answered_mail.html'
  55             ).render(context)
  56         msg = EmailMultiAlternatives(
  57             u'Odpowiedź na Twoje pytanie w serwisie %s.' % site.domain,
  58             text_content, settings.SERVER_EMAIL, [self.email])
  59         msg.attach_alternative(html_content, "text/html")
  60         msg.send()
  61
  62     def ack_author(self):
  63         if not self.email:
  64             return
  65         site = Site.objects.get_current()
  66         context = Context({
  67                 'question': self,
  68                 'site': site,
  69             })
  70         text_content = loader.get_template('questions/ack_mail.txt'
  71             ).render(context)
  72         html_content = loader.get_template('questions/ack_mail.html'
  73             ).render(context)
  74         msg = EmailMultiAlternatives(
  75             u'Twoje pytanie zostało zarejestrowane w serwisie %s.' % site.domain,
  76             text_content, settings.SERVER_EMAIL, [self.email])
  77         msg.attach_alternative(html_content, "text/html")
  78         msg.send()
  79
  80     def save(self, *args, **kwargs):
  81         now = datetime.now()
  82         notify = False
  83         if self.answered and not self.answered_at:
  84             notify = True
  85             self.answered_at = now
  86         if self.published and not self.published_at:
  87             self.published_at = now
  88         ret = super(Question, self).save(*args, **kwargs)
  89         if notify:
  90             self.notify_author()
  91         return ret