Adding the ToS view

I added a view to display the latest version of the ToS. This include a
specific url, its related view and template. I edited the footer as well
to add a link to the ToS.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/allgo/main/urls.py

@@ -76,6 +76,9 @@ urlpatterns = [
     url(r'^profile/password$', views.UserPasswordUpdate.as_view(), name='user_password'),
     url(r'^profile/need_validation$', views.UserNeedValidation.as_view(), name='user_need_validation'),
 
+    # Terms of service urls
+    url(r'^tos$', views.TosDetail.as_view(), name='tos_detail'),
+
     #  url(r'^runners/$', views.RunnerList.as_view(), name='runner_list'),
     #  url(r'^runners/_add$', views.RunnerCreate.as_view(), name='runner_create'),
     #  url(r'^runners/(?P<pk>\d+)/update$', views.RunnerUpdate.as_view(), name='runner_update'),

django/allgo/main/views.py

@@ -82,6 +82,7 @@ from .models import (
     Webapp,
     WebappParameter,
     WebappVersion,
+    Tos,
 )
 from .signals import job_post_save
 from .templatetags.converters import status_icon
@@ -1458,3 +1459,13 @@ def auth(request):
             return HttpResponse(status=200)
 
     return HttpResponse(status=403)
+
+
+class TosDetail(DetailView):
+    template_name = 'tos_detail.html'
+    context_object_name = 'tos'
+
+    def get_object(self):
+        """Returns the object according to its docker name or a 404 error"""
+        last_tos = Tos.objects.order_by('-version').first()
+        return last_tos

django/allgo/templates/partials/_footer.html

@@ -22,8 +22,8 @@
 
         <ul>
           <li><a href="https://wiki.inria.fr/sed_ren/">/SED/</a></li>
+          <li><a href="{% url 'main:tos_detail' %}">Terms</a></li>
           {% comment Will be reintegrated with the RGPD %}
-          <li><a href="#">Terms</a></li>
           <li><a href="#">Privacy</a></li>
           {% endcomment %}
         </ul>

django/allgo/templates/tos_detail.html

+{% extends "base.html" %}
+{% load converters %}
+
+{% block title %}Terms of Service{% endblock %}
+
+{% block breadcrumb %}
+<li class="breadcrumb-item active" aria-current="page">Terms of Service</li>
+{% endblock %}
+
+{% block content %}
+<div class="container">
+  <div class="allgo-page">
+    {{ tos.content | markdown | safe }}
+
+    {% if tos.url %}
+    <p>You can read the Terms of Service as a <a href="{{ tos.url }}">PDF file</a>.</p>
+    {% endif %}
+  </div>
+</div>
+{% endblock %}