From 23fa1ca38682e94906583d79a0cef9883d84298b Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Tue, 8 Dec 2020 00:03:52 +0100
Subject: [PATCH] Add support for generating random prefixes

---
 ipv6ula/models.py                         |  1 -
 ipv6ula/templates/ipv6ula/base.html       | 16 +++++++++++-----
 ipv6ula/templates/ipv6ula/random_ula.html | 15 +++++++++++++++
 ipv6ula/templates/ipv6ula/ula_list.html   |  3 ++-
 ipv6ula/urls.py                           |  1 +
 ipv6ula/views.py                          | 16 ++++++++++++++++
 6 files changed, 45 insertions(+), 7 deletions(-)
 create mode 100644 ipv6ula/templates/ipv6ula/random_ula.html

diff --git a/ipv6ula/models.py b/ipv6ula/models.py
index 7a005ff..d7232ed 100644
--- a/ipv6ula/models.py
+++ b/ipv6ula/models.py
@@ -32,7 +32,6 @@ def validate_ula_prefix(prefix):
         )
 
 
-
 class User(AbstractUser):
     pass
 
diff --git a/ipv6ula/templates/ipv6ula/base.html b/ipv6ula/templates/ipv6ula/base.html
index 8f50a7a..a005058 100644
--- a/ipv6ula/templates/ipv6ula/base.html
+++ b/ipv6ula/templates/ipv6ula/base.html
@@ -22,11 +22,17 @@
       <div class="collapse navbar-collapse"
            id="navbarSupportedContent">
         <ul class="navbar-nav mr-auto">
-          <li class="nav-item"> <a class="nav-link"
-          href="/generate">Generate new prefix</a></li>
-          <li class="nav-item"> <a class="nav-link"
-          href="/submit">Submit existing prefix</a></li>
-
+          <li class="nav-item">
+            <a class="nav-link" href="/random/">Generate random prefix</a>
+          </li>
+          <li class="nav-item">
+            <a class="nav-link" href="/generate/">Register random
+              prefix</a>
+          </li>
+          <li class="nav-item">
+            <a class="nav-link" href="/submit/">Submit existing
+              prefix</a>
+          </li>
           {% if user.is_authenticated %}
           <span class="navbar-text">Logged in as {{ user }}.</span>
           <li class="nav-item">
diff --git a/ipv6ula/templates/ipv6ula/random_ula.html b/ipv6ula/templates/ipv6ula/random_ula.html
new file mode 100644
index 0000000..9fbe3d3
--- /dev/null
+++ b/ipv6ula/templates/ipv6ula/random_ula.html
@@ -0,0 +1,15 @@
+{% extends 'ipv6ula/base.html' %}
+
+{% block content %}
+<div class="container">
+  <div class="row">
+    <div class="col">
+      <h1>Your random ULA prefix</h1>
+      <p>Your randomly generated prefix is:
+        <strong>{{ prefix }}/48</strong>
+      </p>.
+      <p>If you prefer another prefix, just reload this page.</p>
+  </div>
+</div>
+
+{% endblock %}
diff --git a/ipv6ula/templates/ipv6ula/ula_list.html b/ipv6ula/templates/ipv6ula/ula_list.html
index 003b20d..3607ba5 100644
--- a/ipv6ula/templates/ipv6ula/ula_list.html
+++ b/ipv6ula/templates/ipv6ula/ula_list.html
@@ -31,7 +31,8 @@
 
     <p>
       To login and submit prefixes you need to create an
-      <a href="https://account.ungleich.ch">ungleich account</a>.
+      <a href="https://account.ungleich.ch">ungleich account</a>. A
+      total of {{ count }} prefixes have been registered.
     </p>
   </div>
   {% if messages %}
diff --git a/ipv6ula/urls.py b/ipv6ula/urls.py
index e814994..eebc776 100644
--- a/ipv6ula/urls.py
+++ b/ipv6ula/urls.py
@@ -24,6 +24,7 @@ urlpatterns = [
     path('', views.IndexView.as_view(), name='index'),
     path('submit/', views.SubmitView.as_view(), name='submit'),
     path('generate/', views.GenerateView.as_view(), name='generate'),
+    path('random/', views.RandowULAView.as_view(), name='random'),
     path('login/', views.LoginView.as_view(), name='login'),
     path('logout/', views.logout_view, name='logout'),
     path('admin/', admin.site.urls),
diff --git a/ipv6ula/views.py b/ipv6ula/views.py
index 8e14454..14cbdee 100644
--- a/ipv6ula/views.py
+++ b/ipv6ula/views.py
@@ -1,5 +1,7 @@
 from django.views.generic.list import ListView
 from django.views.generic.edit import CreateView
+from django.views.generic.base import TemplateView
+
 from django.contrib.auth import views as auth_views
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.messages.views import SuccessMessageMixin
@@ -19,6 +21,20 @@ class IndexView(ListView):
     model = ULA
     queryset = ULA.objects.order_by('prefix')
 
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['count'] = self.get_queryset().count()
+        return context
+
+class RandowULAView(TemplateView):
+    model = ULA
+    template_name = "ipv6ula/random_ula.html"
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['prefix'] = str(random_ula_net())
+        return context
+
 class GenerateSubmitView(LoginRequiredMixin, SuccessMessageMixin, CreateView):
     model = ULA