Solution

taxi/models.py

@@ -21,6 +21,7 @@ class Meta:
         verbose_name_plural = "drivers"
 
     def __str__(self):
+
         return f"{self.username} ({self.first_name} {self.last_name})"
 
 

taxi/urls.py

@@ -1,5 +1,4 @@
 from django.urls import path
-
 from .views import (
     index,
     CarListView,
@@ -8,20 +7,20 @@
     DriverDetailView,
     ManufacturerListView,
 )
+from django.contrib.auth import views as auth_views
 
 urlpatterns = [
     path("", index, name="index"),
-    path(
-        "manufacturers/",
-        ManufacturerListView.as_view(),
-        name="manufacturer-list",
-    ),
+    path("manufacturers/", ManufacturerListView.as_view(),
+         name="manufacturer-list"),
     path("cars/", CarListView.as_view(), name="car-list"),
     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"
-    ),
+    path("drivers/", DriverListView.as_view(),
+         name="driver-list"),
+    path("drivers/<int:pk>/", DriverDetailView.as_view(),
+         name="driver-detail"),
+    path("login/", auth_views.LoginView.as_view(), name="login"),
+    path("logout/", auth_views.LogoutView.as_view(), name="logout"),
 ]
 
 app_name = "taxi"

taxi/views.py

@@ -1,47 +1,56 @@
 from django.shortcuts import render
+from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.views import generic
-
 from .models import Driver, Car, Manufacturer
 
 
+@login_required(login_url="taxi:login")
 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) + 1
+    request.session["num_visits"] = num_visits
+
     context = {
         "num_drivers": num_drivers,
         "num_cars": num_cars,
         "num_manufacturers": num_manufacturers,
+        "num_visits": 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
+    login_url = "taxi:login"
 
 
-class CarListView(generic.ListView):
+class CarListView(LoginRequiredMixin, generic.ListView):
     model = Car
     paginate_by = 5
-    queryset = Car.objects.select_related("manufacturer")
+    queryset = Car.objects.select_related("manufacturer").order_by("id")
+    login_url = "taxi:login"
 
 
-class CarDetailView(generic.DetailView):
+class CarDetailView(LoginRequiredMixin, generic.DetailView):
     model = Car
+    login_url = "taxi:login"
 
 
-class DriverListView(generic.ListView):
+class DriverListView(LoginRequiredMixin, generic.ListView):
     model = Driver
     paginate_by = 5
+    login_url = "taxi:login"
 
 
-class DriverDetailView(generic.DetailView):
+class DriverDetailView(LoginRequiredMixin, generic.DetailView):
     model = Driver
     queryset = Driver.objects.prefetch_related("cars__manufacturer")
+    login_url = "taxi:login"

taxi_service/settings.py

@@ -133,3 +133,6 @@
 # https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+LOGIN_REDIRECT_URL = "/"
+LOGOUT_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 +1,23 @@
 <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 %}
+    <li><strong>Hello, {{ user.username }}!</strong></li>
+  {% 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>
+
+  {% if user.is_authenticated %}
+    <li>
+      <a href="{% url 'taxi:driver-detail' pk=user.pk %}">{{ user.username }}</a> (Me)
+    </li>
+    <li>
+      <a href="{% url 'taxi:logout' %}">Logout</a>
+    </li>
+  {% else %}
+    <li>
+      <a href="{% url 'taxi:login' %}">Login</a>
+    </li>
+  {% endif %}
 </ul>

templates/registration/login.html

@@ -0,0 +1,10 @@
+{% extends "base.html" %}
+
+{% block content %}
+  <h2>Login</h2>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit">Login</button>
+  </form>
+{% endblock %}

templates/taxi/driver_detail.html

@@ -1,18 +1,17 @@
 {% extends "base.html" %}
 
 {% block content %}
- <p><strong>
-    {{ driver.first_name }} {{ driver.last_name }}.</strong>
-    License number: {{ driver.license_number }}
+  <p><strong>
+    {{ object.first_name }} {{ object.last_name }}.</strong>
+    License number: {{ object.license_number }}
   </p>
-  {% for car in driver.cars.all %}
+
+  {% for car in object.cars.all %}
     <hr>
-    <p><strong>Id:</strong>{{ car.id }}
+    <p><strong>Id:</strong> {{ car.id }}
       <strong>Car model:</strong> {{ car.model }}
     </p>
-
   {% empty %}
     <p>No cars!</p>
   {% endfor %}
-
 {% endblock %}

templates/taxi/driver_list.html

@@ -4,14 +4,17 @@
   <h1>Driver list</h1>
   {% if driver_list %}
     <ul>
-      {% for driver in driver_list%}
+      {% 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 }}</a>
           ({{ driver.first_name }} {{ driver.last_name }})
+          {% if driver.is_me %}
+            (Me)
+          {% endif %}
         </li>
       {% endfor %}
     </ul>
   {% else %}
-    <p>There are no drivers in taxi</p>
+    <p>There are no drivers in the taxi service.</p>
   {% endif %}
 {% endblock %}

templates/taxi/index.html

@@ -3,11 +3,15 @@
 {% block content %}
   <h1>Taxi Service Home</h1>
   <p>Welcome to Best Taxi Ever!</p>
+
   <h2>Dynamic content</h2>
   <p>The Taxi service has the following record counts:</p>
   <ul>
     <li><strong>Cars:</strong> {{ num_cars }}</li>
     <li><strong>Drivers:</strong> {{ num_drivers }}</li>
     <li><strong>Manufacturers:</strong> {{ num_manufacturers }}</li>
   </ul>
+
+  <h3>Visit Counter</h3>
+  <p>You have visited this page {{ num_visits }} time{{ num_visits|pluralize }}.</p>
 {% endblock %}