Solution

taxi/urls.py

@@ -1,4 +1,5 @@
 from django.urls import path
+from django.contrib.auth import views as auth_views
 
 from .views import (
     index,
@@ -20,7 +21,19 @@
     path("cars/<int:pk>/", CarDetailView.as_view(), name="car-detail"),
     path("drivers/", DriverListView.as_view(), name="driver-list"),
     path(
-        "drivers/<int:pk>/", DriverDetailView.as_view(), name="driver-detail"
+        "drivers/<int:pk>/", DriverDetailView.as_view(), name="driver-detail",
+    ),
+    path(
+        "login/",
+        auth_views.LoginView.as_view(template_name="registration/login.html"),
+        name="login"
+    ),
+    path(
+        "logout/",
+        auth_views.LogoutView.as_view(
+            template_name="registration/logout.html"
+        ),
+        name="logout"
     ),
 ]
 

taxi/views.py

@@ -1,11 +1,16 @@
+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_visits = request.session.get("num_visits", 0) + 1
+    request.session["num_visits"] = num_visits
 
     num_drivers = Driver.objects.count()
     num_cars = Car.objects.count()
@@ -15,33 +20,39 @@ def index(request):
         "num_drivers": num_drivers,
         "num_cars": num_cars,
         "num_manufacturers": num_manufacturers,
+        "num_visits": request.session.get("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
 
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["current_user"] = self.request.user
+        return context
 
-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

@@ -22,4 +22,5 @@
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("", include("taxi.urls", namespace="taxi")),
+    path("accounts/", include("django.contrib.auth.urls")),
 ] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

templates/includes/sidebar.html

@@ -1,6 +1,19 @@
-<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>
-</ul>
+<div class="sidebar">
+    {% if user.is_authenticated %}
+        <p>Welcome, 
+            <a href="{% url 'taxi:driver-detail' user.id %}">
+                {{ user.username }}
+            </a>!
+        </p>
+        <a href="{% url "taxi:logout" %}">Logout</a>
+    {% else %}
+        <a href="{% url "taxi:login" %}">Login</a>
+    {% endif %}
+    <br>
+    <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>
+    </ul>
+</div>

templates/registration/login.html

@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h1>Login</h1>
+    {% if form.errors %}
+    <p style="color: red;">Invalid username or password</p>
+    {% endif %}
+<form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit">Login</button>
+</form>
+{% endblock %}

templates/registration/logout.html

@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h1>Logged out</h1>
+<p>You have been logged out. <a href="{% url "taxi:login" %}">Login again?</a></p>
+{% endblock %}

templates/taxi/driver_list.html

@@ -6,7 +6,9 @@ <h1>Driver list</h1>
     <ul>
       {% for driver in driver_list%}
         <li>
-          <a href="{% url "taxi:driver-detail" pk=driver.id %}">{{ driver.username }}</a>
+          <a href="{% url "taxi:driver-detail" pk=driver.id %}">
+              {{ driver.username }} {% if driver == current_user %}(Me){% endif %}
+          </a>
           ({{ driver.first_name }} {{ driver.last_name }})
         </li>
       {% endfor %}

templates/taxi/index.html

@@ -3,6 +3,8 @@
 {% block content %}
   <h1>Taxi Service Home</h1>
   <p>Welcome to Best Taxi Ever!</p>
+    <p>You have visited this page {{ num_visits }} times.</p>
+
   <h2>Dynamic content</h2>
   <p>The Taxi service has the following record counts:</p>
   <ul>