def test_watch_solution_and_replies(self):
     """User subscribes to solution and replies: page doesn't break"""
     self.client.login(username="rrosario", password="testpass")
     user = User.objects.get(username="rrosario")
     QuestionReplyEvent.notify(user, self.question)
     QuestionSolvedEvent.notify(user, self.question)
     response = get(self.client, "questions.answers", args=[self.question.id])
     eq_(200, response.status_code)

    def test_no_notification_on_update(self):
        """Saving an existing question does not watch it."""

        q = Question.objects.get(pk=1)
        assert not QuestionReplyEvent.is_notifying(q.creator, q)

        q.save()
        assert not QuestionReplyEvent.is_notifying(q.creator, q)

def unsubscribe_watch(request, watch_id, secret):
    """Stop watching a question, for anonymous users."""
    watch = get_object_or_404(Watch, pk=watch_id)
    question = watch.content_object
    success = False
    if watch.secret == secret and isinstance(question, Question):
        user_or_email = watch.user or watch.email
        QuestionReplyEvent.stop_notifying(user_or_email, question)
        QuestionSolvedEvent.stop_notifying(user_or_email, question)
        success = True

    return jingo.render(request, "questions/unsubscribe_watch.html", {"question": question, "success": success})

    def save(self, no_update=False, *args, **kwargs):
        """Override save method to take care of updated."""
        new = not self.id

        if not new and not no_update:
            self.updated = datetime.now()

        super(Question, self).save(*args, **kwargs)

        if new:
            # Avoid circular import, events.py imports Question
            from questions.events import QuestionReplyEvent
            # Authors should automatically watch their own questions.
            QuestionReplyEvent.notify(self.creator, self)

def _answers_data(request, question_id, form=None, watch_form=None,
                  answer_preview=None):
    """Return a map of the minimal info necessary to draw an answers page."""
    question = get_object_or_404(Question, pk=question_id)
    answers_ = question.answers.all()
    if not request.MOBILE:
        answers_ = paginate(request, answers_,
                            per_page=constants.ANSWERS_PER_PAGE)
    feed_urls = ((reverse('questions.answers.feed',
                          kwargs={'question_id': question_id}),
                  AnswersFeed().title(question)),)
    frequencies = dict(FREQUENCY_CHOICES)

    is_watching_question = (
        request.user.is_authenticated() and (
        QuestionReplyEvent.is_notifying(request.user, question) or
        QuestionSolvedEvent.is_notifying(request.user, question)))
    return {'question': question,
            'answers': answers_,
            'form': form or AnswerForm(),
            'answer_preview': answer_preview,
            'watch_form': watch_form or _init_watch_form(request, 'reply'),
            'feeds': feed_urls,
            'frequencies': frequencies,
            'is_watching_question': is_watching_question,
            'can_tag': request.user.has_perm('questions.tag_question'),
            'can_create_tags': request.user.has_perm('taggit.add_tag')}

def _answers_data(request, question_id, form=None, watch_form=None, answer_preview=None):
    """Return a map of the minimal info necessary to draw an answers page."""
    question = get_object_or_404(Question, pk=question_id)
    answers_ = paginate(request, question.answers.all(), per_page=constants.ANSWERS_PER_PAGE)
    vocab = [t.name for t in Tag.objects.all()]  # TODO: Fetch only name.
    feed_urls = (
        (reverse("questions.answers.feed", kwargs={"question_id": question_id}), AnswersFeed().title(question)),
    )
    frequencies = dict(FREQUENCY_CHOICES)

    is_watching_question = request.user.is_authenticated() and (
        QuestionReplyEvent.is_notifying(request.user, question)
        or QuestionSolvedEvent.is_notifying(request.user, question)
    )
    return {
        "question": question,
        "answers": answers_,
        "form": form or AnswerForm(),
        "answer_preview": answer_preview,
        "watch_form": watch_form or _init_watch_form(request, "reply"),
        "feeds": feed_urls,
        "tag_vocab": json.dumps(vocab),
        "frequencies": frequencies,
        "is_watching_question": is_watching_question,
        "can_tag": request.user.has_perm("questions.tag_question"),
        "can_create_tags": request.user.has_perm("taggit.add_tag"),
    }

    def test_notification_created(self):
        """Creating a new question auto-watches it for answers."""

        u = User.objects.get(pk=118533)
        q = Question(creator=u, title='foo', content='bar')
        q.save()

        assert QuestionReplyEvent.is_notifying(u, q)

 def test_watch_replies_logged_in(self):
     """Watch a question for replies (logged in)."""
     self.client.login(username='rrosario', password='testpass')
     user = User.objects.get(username='rrosario')
     post(self.client, 'questions.watch',
          {'event_type': 'reply'},
          args=[self.question.id])
     assert QuestionReplyEvent.is_notifying(user, self.question), (
            'Watch was not created')

 def test_unwatch(self):
     """Unwatch a question."""
     # First watch question.
     self.test_watch_replies_logged_in()
     # Then unwatch it.
     self.client.login(username="rrosario", password="testpass")
     user = User.objects.get(username="rrosario")
     post(self.client, "questions.unwatch", args=[self.question.id])
     assert not QuestionReplyEvent.is_notifying(user, self.question), "Watch was not destroyed"

    def test_watch_replies_smtp_error(self, emailmessage_send):
        """Watch a question for replies and fail to send email."""
        emailmessage_send.side_effect = emailmessage_raise_smtp
        self.client.logout()

        r = post(
            self.client, "questions.watch", {"email": "[email protected]", "event_type": "reply"}, args=[self.question.id]
        )
        assert not QuestionReplyEvent.is_notifying("[email protected]", self.question), "Watch was created"
        self.assertContains(r, "Could not send a message to that email")

    def test_answer_notification(self, get_current):
        """Assert that hitting the watch toggle toggles and that proper mails
        are sent to anonymous users, registered users, and the question
        asker."""
        # TODO: This test is way too monolithic, and the fixtures encode
        # assumptions that aren't obvious here. Split this test into about 5,
        # each of which tests just 1 thing. Consider using instantiation
        # helpers.
        get_current.return_value.domain = 'testserver'

        # An arbitrary registered user (pcraciunoiu) watches:
        question = self._toggle_watch_question('reply', turn_on=True)
        # An anonymous user watches:
        QuestionReplyEvent.notify('[email protected]', question)
        # The question asker (jsocol) watches:
        QuestionReplyEvent.notify(question.creator, question)

        # Post a reply
        self.client.login(username='rrosario', password='testpass')
        post(self.client, 'questions.reply', {'content': 'an answer'},
             args=[question.id])

        answer = Answer.uncached.filter().order_by('-id')[0]

        # Order of emails is not important.
        attrs_eq(mail.outbox[0], to=['[email protected]'],
                 subject='%s commented on a Firefox question '
                         "you're watching" % answer.creator.username)
        starts_with(mail.outbox[0].body, ANSWER_EMAIL.format(answer=answer.id))

        attrs_eq(mail.outbox[1], to=[question.creator.email],
                 subject='%s posted an answer to your question "%s"' %
                         (answer.creator.username, question.title))
        starts_with(mail.outbox[1].body, ANSWER_EMAIL_TO_ASKER.format(
            answer=answer.id))

        attrs_eq(mail.outbox[2], to=['[email protected]'],
                 subject="%s commented on a Firefox question you're watching" %
                         answer.creator.username)
        starts_with(mail.outbox[2].body, ANSWER_EMAIL_TO_ANONYMOUS.format(
            answer=answer.id))

        self._toggle_watch_question('reply', turn_on=False)

    def test_autowatch_reply(self, get_current):
        get_current.return_value.domain = 'testserver'

        user = User.objects.get(username='timw')
        t1, t2 = Question.objects.filter(is_locked=False)[0:2]
        assert not QuestionReplyEvent.is_notifying(user, t1)
        assert not QuestionReplyEvent.is_notifying(user, t2)

        self.client.login(username='timw', password='testpass')
        s = Setting.objects.create(user=user, name='questions_watch_after_reply',
                                   value='True')
        data = {'content': 'some content'}
        post(self.client, 'questions.reply', data, args=[t1.id])
        assert QuestionReplyEvent.is_notifying(user, t1)

        s.value = 'False'
        s.save()
        post(self.client, 'questions.reply', data, args=[t2.id])
        assert not QuestionReplyEvent.is_notifying(user, t2)

    def save(self, no_update=False, *args, **kwargs):
        """Override save method to take care of updated."""
        new = not self.id

        if not new and not no_update:
            self.updated = datetime.now()

        # Generate a confirmation_id if necessary
        if new and not self.confirmation_id:
            chars = [random.choice(string.ascii_letters) for x in xrange(10)]
            self.confirmation_id = "".join(chars)

        super(Question, self).save(*args, **kwargs)

        if new:
            # Avoid circular import, events.py imports Question
            from questions.events import QuestionReplyEvent
            # Authors should automatically watch their own questions.
            QuestionReplyEvent.notify(self.creator, self)

def reply(request, question_id):
    """Post a new answer to a question."""
    question = get_object_or_404(Question, pk=question_id)
    answer_preview = None
    if question.is_locked:
        raise PermissionDenied

    form = AnswerForm(request.POST)

    # NOJS: delete images
    if 'delete_images' in request.POST:
        for image_id in request.POST.getlist('delete_image'):
            ImageAttachment.objects.get(pk=image_id).delete()

        return answers(request, question_id=question_id, form=form)

    # NOJS: upload image
    if 'upload_image' in request.POST:
        upload_imageattachment(request, question)
        return answers(request, question_id=question_id, form=form)

    if form.is_valid():
        answer = Answer(question=question, creator=request.user,
                        content=form.cleaned_data['content'])
        if 'preview' in request.POST:
            answer_preview = answer
        else:
            answer.save()
            ct = ContentType.objects.get_for_model(answer)
            # Move over to the answer all of the images I added to the
            # reply form
            up_images = question.images.filter(creator=request.user)
            up_images.update(content_type=ct, object_id=answer.id)
            statsd.incr('questions.answer')

            if Setting.get_for_user(request.user,
                                    'questions_watch_after_reply'):
                QuestionReplyEvent.notify(request.user, question)

            return HttpResponseRedirect(answer.get_absolute_url())

    return answers(request, question_id=question_id, form=form,
                   answer_preview=answer_preview)

def watch_question(request, question_id):
    """Start watching a question for replies or solution."""
    question = get_object_or_404(Question, pk=question_id)
    form = WatchQuestionForm(request.user, request.POST)

    # Process the form
    msg = None
    if form.is_valid():
        user_or_email = (request.user if request.user.is_authenticated()
                                      else form.cleaned_data['email'])
        try:
            if form.cleaned_data['event_type'] == 'reply':
                QuestionReplyEvent.notify(user_or_email, question)
            else:
                QuestionSolvedEvent.notify(user_or_email, question)
        except ActivationRequestFailed:
            msg = _('Could not send message to that email address.')

    # Respond to ajax request
    if request.is_ajax():
        if form.is_valid():
            if not msg:
                msg = (_('You will be notified of updates by email.') if
                       request.user.is_authenticated() else
                       _('You should receive an email shortly '
                         'to confirm your subscription.'))
            return HttpResponse(json.dumps({'message': msg}))

        if request.POST.get('from_vote'):
            tmpl = 'questions/includes/question_vote_thanks.html'
        else:
            tmpl = 'questions/includes/email_subscribe.html'

        html = jingo.render_to_string(request, tmpl, {'question': question,
                                                      'watch_form': form})
        return HttpResponse(json.dumps({'html': html}))

    # Respond to normal request
    # TODO: show failure here if email fails to send.
    if form.is_valid():
        return HttpResponseRedirect(question.get_absolute_url())

    return answers(request, question.id, watch_form=form)

    def test_watch_replies_smtp_error(self, emailmessage_send):
        """Watch a question for replies and fail to send email."""
        emailmessage_send.side_effect = emailmessage_raise_smtp
        self.client.logout()

        r = post(self.client, 'questions.watch',
                 {'email': '[email protected]', 'event_type': 'reply'},
                 args=[self.question.id])
        assert not QuestionReplyEvent.is_notifying(
            '[email protected]', self.question), 'Watch was created'
        self.assertContains(r, 'Could not send a message to that email')

def watch_question(request, question_id):
    """Start watching a question for replies or solution."""

    question = get_object_or_404(Question, pk=question_id)
    form = WatchQuestionForm(request.user, request.POST)

    # Process the form
    msg = None
    if form.is_valid():
        user_or_email = request.user if request.user.is_authenticated() else form.cleaned_data["email"]
        try:
            if form.cleaned_data["event_type"] == "reply":
                QuestionReplyEvent.notify(user_or_email, question)
            else:
                QuestionSolvedEvent.notify(user_or_email, question)
            statsd.incr("questions.watches.new")
        except ActivationRequestFailed:
            msg = _("Could not send a message to that email address.")

    # Respond to ajax request
    if request.is_ajax():
        if form.is_valid():
            msg = msg or (
                _("You will be notified of updates by email.")
                if request.user.is_authenticated()
                else _("You should receive an email shortly " "to confirm your subscription.")
            )
            return HttpResponse(json.dumps({"message": msg}))

        if request.POST.get("from_vote"):
            tmpl = "questions/includes/question_vote_thanks.html"
        else:
            tmpl = "questions/includes/email_subscribe.html"

        html = jingo.render_to_string(request, tmpl, {"question": question, "watch_form": form})
        return HttpResponse(json.dumps({"html": html}))

    if msg:
        messages.add_message(request, messages.ERROR, msg)

    return HttpResponseRedirect(question.get_absolute_url())

    def test_watch_replies(self, get_current):
        """Watch a question for replies."""
        get_current.return_value.domain = "testserver"
        self.client.logout()

        post(self.client, "questions.watch", {"email": "[email protected]", "event_type": "reply"}, args=[self.question.id])
        assert QuestionReplyEvent.is_notifying("[email protected]", self.question), "Watch was not created"

        attrs_eq(mail.outbox[0], to=["[email protected]"], subject="Please confirm your email address")
        assert "questions/confirm/" in mail.outbox[0].body
        assert "New answers" in mail.outbox[0].body

        # Now activate the watch.
        w = Watch.objects.get()
        get(self.client, "questions.activate_watch", args=[w.id, w.secret])
        assert Watch.objects.get().is_active

    def test_watch_replies(self, get_current):
        """Watch a question for replies."""
        get_current.return_value.domain = 'testserver'
        self.client.logout()

        post(self.client, 'questions.watch',
             {'email': '[email protected]', 'event_type': 'reply'},
             args=[self.question.id])
        assert QuestionReplyEvent.is_notifying('[email protected]', self.question), (
               'Watch was not created')

        attrs_eq(mail.outbox[0], to=['[email protected]'],
                 subject='Please confirm your email address')
        assert 'questions/confirm/' in mail.outbox[0].body
        assert 'New answers' in mail.outbox[0].body

        # Now activate the watch.
        w = Watch.objects.get()
        get(self.client, 'questions.activate_watch', args=[w.id, w.secret])
        assert Watch.objects.get().is_active

def unwatch_question(request, question_id):
    """Stop watching a question."""
    question = get_object_or_404(Question, pk=question_id)
    QuestionReplyEvent.stop_notifying(request.user, question)
    QuestionSolvedEvent.stop_notifying(request.user, question)
    return HttpResponseRedirect(question.get_absolute_url())