Add of a signup page

I added a simple signup page. It still needs some work on it such as the
place of the password policy and a reset password link.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/allgo/poc/urls.py

@@ -12,4 +12,5 @@ urlpatterns = [
         {'template_name': 'login.html'},
         name='login'),
     url(r'^logout/$', auth_views.logout, name='logout'),
+    url('^signup/$', views.SignUp.as_view(), name='signup'),
 ]

django/allgo/poc/views.py

+from django.contrib.auth.forms import UserCreationForm
 from django.shortcuts import render
+from django.urls import reverse_lazy
+from django.views import generic
 
 from django.contrib.auth.models import User
 from .models import Webapp
@@ -19,9 +22,17 @@ def list_webapps(request):
     return render(request, "webapps.html", locals())
 
 
-def login(request):
-    pass
-
-
-def signup(request):
-    pass
+#  def signup(request):
+#      if request.method == 'POST':
+#          form = UserCreationForm(request.POST)
+#          if form.is_valid():
+#              form.save()
+#              return redirect('poc_home')
+#      else:
+#          form = UserCreationForm()
+#
+#      return render(request, 'signup.html', {'form': form})
+class SignUp(generic.CreateView):
+    form_class = UserCreationForm
+    success_url = reverse_lazy('login')
+    template_name = 'signup.html'

django/allgo/templates/partials/_header.html

@@ -17,6 +17,9 @@
           <li class="nav-item">
             <a class="nav-link" href="{% url 'login' %}"><i class="fas fa-sign-in-alt"></i> Login</a>
           </li>
+          <li class="nav-item">
+            <a class="nav-link" href="{% url 'signup' %}"><i class="fas fa-user-plus"></i> Sign up</a>
+          </li>
           {% else %}
           <li class="nav-item">
             <a class="nav-link" href="{% url 'logout' %}"><i class="fas fa-sign-out-alt"></i> Sign out</a>

django/allgo/templates/signup.html

+{% extends 'base.html' %}
+
+{% block title %}Sign up{% endblock %}
+
+{% block content %}
+<h2>Sign up</h2>
+<form method="post">
+  {% csrf_token %}
+  <div class="form-group">
+    <div class="row">
+      <div class="col">
+      {% for field in form %}
+        <p>{{ field.label_tag }} {{ field }}</p>
+
+        {% for error in field.errors %}
+        <div class="alert alert-danger alert-dismissible fade show" role="alert">
+          {{ error }}
+          <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+            <span aria-hidden="true">&times;</span>
+          </button>
+        </div>
+        {% endfor %}
+      {% endfor %}
+      </div>
+      <div class="col">
+        {% for field in form %}
+          {% if field.help_text %}
+            {{ field.help_text|safe }}
+          {% endif %}
+        {% endfor %}
+      </div>
+  </div>
+  </div>
+  <button class="btn btn-primary" type="submit">Sign up</button>
+</form>
+
+{% endblock %}
+