Suivi des contenus par mail (#4036)

* Ajoute le suivi par courriel aux reactions des contenus.

* Add test

templates/email/notification/content_reaction_answer_subscription.html

@@ -0,0 +1,17 @@
+{% extends "email/base_from_staff.html" %}
+
+{% load i18n %}
+
+{% block content_from_staff %}
+    <p>
+        {% blocktrans %}
+        <strong>{{ author }}</strong> a réagi au contenu « {{ title }} » que vous suivez sur {{ site_name }}.
+        {% endblocktrans %}
+    </p>
+
+    <p>
+        {% blocktrans %}
+        Pour le lire, <a href="{{ url }}">cliquez ici</a>.
+        {% endblocktrans %}
+    </p>
+{% endblock %}

templates/email/notification/content_reaction_answer_subscription.txt

@@ -0,0 +1,12 @@
+{% extends "email/base_from_staff.txt" %}
+{% load i18n %}
+
+{% block content_from_staff %}
+{% blocktrans %}
+{{ author }} a réagi au contenu « {{ title }} » que vous suivez sur {{ site_name }}.
+{% endblocktrans %}
+
+{% blocktrans %}
+Pour le lire, cliquez ou recopiez l'url suivante : {{ url }}
+{% endblocktrans %}
+{% endblock %}

templates/tutorialv2/view/content_online.html

@@ -121,6 +121,19 @@ <h2 class="subtitle" itemprop="description">
         {% include 'notification/follow_template.html' with link=link_follow is_followed=content_is_followed data_onclick=data_onclick button_text=button_text subscriber_count=subscriber_count %}
     {% endwith %}
     </li>
+    <li>
+    {% with content_is_followed=object|is_content_email_followed %}
+        {% url 'content:follow-reactions' object.pk as link_follow %}
+        {% if content_is_followed %}
+            {% trans "Être notifié par courriel" as data_onclick %}
+            {% trans "Ne plus être notifié par courriel" as button_text %}
+        {% else %}
+            {% trans "Être notifié par courriel" as button_text %}
+            {% trans "Ne plus être notifié par courriel" as data_onclick %}
+        {% endif %}
+        {% include 'notification/follow_by_email_template.html' with link=link_follow is_followed=content_is_followed data_onclick=data_onclick button_text=button_text %}
+    {% endwith %}
+    </li>
     {% if not user in content.authors.all %}
     <li>
         <a href="{{ pm_link }}" class="ico-after cite blue">

zds/tutorialv2/tests/tests_views.py

@@ -8,6 +8,7 @@
 from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.models import Group
+from django.core import mail
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
@@ -4920,6 +4921,36 @@ def test_last_reactions(self):
         result = self.client.get(reverse('pages-index'))  # go to whatever page
         self.assertEqual(result.status_code, 200)
 
+    def test_reaction_follow_email(self):
+        settings.EMAIL_BACKEND = 'django.core.mail.backends.locmem.EmailBackend'
+        self.assertEquals(0, len(mail.outbox))
+
+        profile = ProfileFactory()
+        self.assertTrue(self.client.login(username=profile.user.username, password='hostel77'))
+        response = self.client.post(reverse('content:follow-reactions', args=[self.tuto.pk]), {"email": "1"})
+        self.assertEquals(302, response.status_code)
+
+        self.assertIsNotNone(ContentReactionAnswerSubscription.objects.get_existing(
+            profile.user, self.tuto, is_active=True, by_email=True))
+
+        self.client.logout()
+
+        self.assertEqual(
+            self.client.login(
+                username=self.user_author.username,
+                password='hostel77'),
+            True)
+
+        # post another reaction
+        self.client.post(
+            reverse("content:add-reaction") + u'?pk={}'.format(self.tuto.pk),
+            {
+                'text': u'message',
+                'last_note': '0'
+            }, follow=True)
+
+        self.assertEquals(1, len(mail.outbox))
+
     def test_note_with_bad_param(self):
         self.assertEqual(
             self.client.login(

zds/tutorialv2/views/views_published.py

@@ -656,6 +656,9 @@ def post(self, request, *args, **kwargs):
                 .toggle_follow(self.get_object(), self.request.user).is_active
             response['subscriberCount'] = ContentReactionAnswerSubscription\
                 .objects.get_subscriptions(self.get_object()).count()
+        elif 'email' in request.POST:
+            response['follow'] = ContentReactionAnswerSubscription.objects\
+                .toggle_follow(self.get_object(), self.request.user, True).is_active
         if self.request.is_ajax():
             return HttpResponse(json_writer.dumps(response), content_type='application/json')
         return redirect(self.get_object().get_absolute_url())

zds/utils/templatetags/interventions.py

@@ -54,6 +54,13 @@ def is_content_followed(content):
         user, content, is_active=True)
 
 
+@register.filter('is_content_email_followed')
+def is_content_email_followed(content):
+    user = get_current_user()
+    return user.is_authenticated() and ContentReactionAnswerSubscription.objects.does_exist(
+        user, content, is_active=True, by_email=True)
+
+
 @register.filter('is_new_publication_followed')
 def is_new_publication_followed(user_to_follow):
     user = get_current_user()