'Solution'

taxi/urls.py

@@ -1,27 +1,23 @@
 from django.urls import path
 
 from .views import (
-    index,
-    CarListView,
-    CarDetailView,
-    DriverListView,
-    DriverDetailView,
-    ManufacturerListView,
-)
+    index, CarListView, CarDetailView,
+    DriverListView, DriverDetailView, ManufacturerListView)
 
 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/<int:pk>/",
+         DriverDetailView.as_view(),
+         name="driver-detail"
+         ),
 ]
 
 app_name = "taxi"

taxi/views.py

@@ -1,47 +1,59 @@
+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 django.contrib.auth import logout as auth_logout
 
 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": num_visits + 1,
     }
 
     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")
+
+
+def logout(request):
+    auth_logout(request)
+    return render(request, "registration/logout.html")

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

@@ -14,12 +14,14 @@
     2. Add a URL to urlpatterns:  path("blog/", include("blog.urls"))
 """
 from django.contrib import admin
-from django.urls import path, include
+from django.urls import path, include, re_path
 from django.conf import settings
 from django.conf.urls.static import static
-
+from taxi.views import logout
 
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("", include("taxi.urls", namespace="taxi")),
+    path("accounts/", include("django.contrib.auth.urls")),
+    re_path(r"^logout/$", logout, name="logout")
 ] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

templates/base.html

@@ -9,32 +9,33 @@
       href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
       integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2"
       crossorigin="anonymous">
-  <!-- Add additional CSS in static file -->
+
   {% load static %}
   <link rel="stylesheet" href="{% static 'css/styles.css' %}">
 </head>
 
 <body>
-<div class="container-fluid">
-  <div class="row">
-    <div class="col-sm-2">
+  <div class="container-fluid">
+    <div class="row">
+      <div class="col-sm-2">
 
       {% block sidebar %}
         {% include "includes/sidebar.html" %}
       {% endblock %}
 
-    </div>
-    <div class="col-sm-10 ">
+      </div>
+      <div class="col-sm-10 ">
 
       {% block content %}{% endblock %}
 
       {% block pagination %}
         {% include "includes/pagination.html" %}
+        <p>You have visited this page {{ num_visits }} time{{ num_visits|pluralize }}</p>
       {% endblock %}
 
+      </div>
     </div>
   </div>
-</div>
 </body>
 
 </html>

templates/includes/pagination.html

@@ -15,3 +15,4 @@
     {% endif %}
   </ul>
 {% endif %}
+

templates/includes/sidebar.html

@@ -1,4 +1,11 @@
 <ul class="sidebar-nav">
+  {% if user.is_authenticated %}
+    <li> User: <a href="{% url "taxi:driver-detail" pk=user.id %}"> {{ user.username }}</a></li>
+    <li><a href="{% url "logout" %}">Logout</a></li>
+  {% else %}
+    <li><a href="{% url "login" %}">Login</a></li>
+  {% endif %}
+  <br>
   <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>

templates/registration/login.html

@@ -0,0 +1,12 @@
+{% extends "base.html" %}
+{% block content %}
+  <h1>Login</h1>
+  {% if form.errors %}
+    <p style="color: red">Invalid credentials</p>
+  {% endif %}
+  <form method="post" action="{% url 'login' %}">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <input type="submit" value="Submit">
+  </form>
+{% endblock %}

templates/registration/logout.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+{% block content %}
+  <p>Logged out!</p>
+  <a href="{% url 'login'%}">Click here to login again.</a>
+{% endblock %}

templates/taxi/driver_list.html

@@ -4,10 +4,13 @@
   <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>
           ({{ driver.first_name }} {{ driver.last_name }})
+        {% if driver.id == user.id %}
+            (Me)
+          {% endif %}
         </li>
       {% endfor %}
     </ul>