solution

taxi/urls.py

@@ -1,4 +1,4 @@
-from django.urls import path
+from django.urls import path, include
 
 from .views import (
     index,

taxi/views.py

@@ -1,47 +1,53 @@
+from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.shortcuts import render
 from django.views import generic
 
 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

@@ -133,3 +133,5 @@
 # https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+LOGIN_REDIRECT_URL = "/"

taxi_service/urls.py

@@ -21,5 +21,6 @@
 
 urlpatterns = [
     path("admin/", admin.site.urls),
+    path("accounts/", include("django.contrib.auth.urls")),
     path("", include("taxi.urls", namespace="taxi")),
 ] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

templates/includes/sidebar.html

@@ -1,6 +1,12 @@
 <ul class="sidebar-nav">
-  <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 %}
+        <p>User: {{ user.username }}</p>
+        <a href="{% url 'logout' %}">Logout</a>
+    {% else %}
+        <a href="{% url 'login' %}">Click here to login</a>
+    {% endif %}
+    <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>
 </ul>

templates/registration/logged_out.html

@@ -0,0 +1,5 @@
+{% extends 'base.html' %}
+{% block content %}
+  <h2>You have been logged out</h2>
+  <p><a href="{% url 'login' %}">Log in again</a></p>
+{% endblock %}

templates/registration/login.html

@@ -0,0 +1,9 @@
+{% extends "base.html" %}
+{% block content %}
+    <h1>Login</h1>
+    <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit">Login</button>
+  </form>
+{% 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 visit this page {{ num_visits }} times</p>
 {% endblock %}