solution

taxi/views.py

@@ -1,47 +1,53 @@
 from django.shortcuts import render
 from django.views import generic
-
+from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from .models import Driver, Car, Manufacturer
 
 
+@login_required()
 def index(request):
     """View function for the home page of the site."""
 
     num_drivers = Driver.objects.count()
     num_cars = Car.objects.count()
     num_manufacturers = Manufacturer.objects.count()
 
+    num_visits = request.session.get("num_visits", 0)
+    request.session["num_visits"] = num_visits + 1
+
     context = {
         "num_drivers": num_drivers,
         "num_cars": num_cars,
         "num_manufacturers": num_manufacturers,
+        "num_visits": request.session["num_visits"]
     }
 
     return render(request, "taxi/index.html", context=context)
 
 
-class ManufacturerListView(generic.ListView):
+class ManufacturerListView(LoginRequiredMixin, generic.ListView):
     model = Manufacturer
     context_object_name = "manufacturer_list"
     template_name = "taxi/manufacturer_list.html"
     paginate_by = 5
 
 
-class CarListView(generic.ListView):
+class CarListView(LoginRequiredMixin, generic.ListView):
     model = Car
     paginate_by = 5
     queryset = Car.objects.select_related("manufacturer")
 
 
-class CarDetailView(generic.DetailView):
+class CarDetailView(LoginRequiredMixin, generic.DetailView):
     model = Car
 
 
-class DriverListView(generic.ListView):
+class DriverListView(LoginRequiredMixin, generic.ListView):
     model = Driver
     paginate_by = 5
 
 
-class DriverDetailView(generic.DetailView):
+class DriverDetailView(LoginRequiredMixin, generic.DetailView):
     model = Driver
     queryset = Driver.objects.prefetch_related("cars__manufacturer")

taxi_service/settings.py

@@ -26,6 +26,8 @@
 
 # SECURITY WARNING: don"t run with debug turned on in production!
 DEBUG = True
+LOGIN_REDIRECT_URL = "/"
+LOGIN_URL = "login"
 
 ALLOWED_HOSTS = []
 

taxi_service/urls.py

@@ -17,9 +17,12 @@
 from django.urls import path, include
 from django.conf import settings
 from django.conf.urls.static import static
+from django.contrib.auth import views as auth_views
 
 
 urlpatterns = [
+    path("login/", auth_views.LoginView.as_view(), name="login"),
+    path("logout/", auth_views.LogoutView.as_view(), name="logout"),
     path("admin/", admin.site.urls),
     path("", include("taxi.urls", namespace="taxi")),
 ] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

templates/base.html

@@ -26,11 +26,16 @@
     </div>
     <div class="col-sm-10 ">
 
-      {% block content %}{% endblock %}
-
-      {% block pagination %}
-        {% include "includes/pagination.html" %}
-      {% endblock %}
+      <div class="navbar">
+        <div class="navbar-right">
+          {% if user.is_authenticated %}
+            {% block content %}{% endblock %}
+            {% block pagination %}
+              {% include "includes/pagination.html" %}
+            {% endblock %}
+          {% endif %}
+        </div>
+      </div>
 
     </div>
   </div>

templates/includes/sidebar.html

@@ -1,6 +1,13 @@
 <ul class="sidebar-nav">
+  <li><a href="{% url "taxi:driver-detail" pk=user.id %}"
+  >{{ user.username }}</a></li>
   <li><a href="{% url "taxi:index" %}">Home page</a></li>
   <li><a href="{% url "taxi:manufacturer-list" %}">Manufacturers</a></li>
   <li><a href="{% url "taxi:car-list" %}">Cars</a></li>
   <li><a href="{% url "taxi:driver-list" %}">Drivers</a></li>
+  {% if user.is_authenticated %}
+    <li><a href="{% url 'logout' %}?next={{request.path}}">Logout</a></li>
+  {% else %}
+    <li><a href="{% url 'login' %}?next={{request.path}}">Login</a></li>
+  {% endif %}
 </ul>

templates/registration/logout.html

@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+
+{% block content %}
+  <p>Logged out</p>
+  <a href="{% url 'login' %}">Press to login</a>
+{% endblock %}

templates/taxi/index.html

@@ -10,4 +10,5 @@ <h2>Dynamic content</h2>
     <li><strong>Drivers:</strong> {{ num_drivers }}</li>
     <li><strong>Manufacturers:</strong> {{ num_manufacturers }}</li>
   </ul>
+  <p>You have visited this page {{ num_visits }} times</p>
 {% endblock %}