'Solution'

taxi/migrations/0001_initial.py

@@ -9,55 +9,169 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
     dependencies = [
-        ('auth', '0012_alter_user_first_name_max_length'),
+        ("auth", "0012_alter_user_first_name_max_length"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Driver',
+            name="Driver",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('password', models.CharField(max_length=128, verbose_name='password')),
-                ('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')),
-                ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
-                ('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')),
-                ('first_name', models.CharField(blank=True, max_length=150, verbose_name='first name')),
-                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')),
-                ('email', models.EmailField(blank=True, max_length=254, verbose_name='email address')),
-                ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
-                ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),
-                ('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')),
-                ('license_number', models.CharField(max_length=255)),
-                ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.Group', verbose_name='groups')),
-                ('user_permissions', models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.Permission', verbose_name='user permissions')),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("password", models.CharField(max_length=128, verbose_name="password")),
+                (
+                    "last_login",
+                    models.DateTimeField(
+                        blank=True, null=True, verbose_name="last login"
+                    ),
+                ),
+                (
+                    "is_superuser",
+                    models.BooleanField(
+                        default=False,
+                        help_text="Designates that this user has all permissions without explicitly assigning them.",
+                        verbose_name="superuser status",
+                    ),
+                ),
+                (
+                    "username",
+                    models.CharField(
+                        error_messages={
+                            "unique": "A user with that username already exists."
+                        },
+                        help_text="Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.",
+                        max_length=150,
+                        unique=True,
+                        validators=[
+                            django.contrib.auth.validators.UnicodeUsernameValidator()
+                        ],
+                        verbose_name="username",
+                    ),
+                ),
+                (
+                    "first_name",
+                    models.CharField(
+                        blank=True, max_length=150, verbose_name="first name"
+                    ),
+                ),
+                (
+                    "last_name",
+                    models.CharField(
+                        blank=True, max_length=150, verbose_name="last name"
+                    ),
+                ),
+                (
+                    "email",
+                    models.EmailField(
+                        blank=True, max_length=254, verbose_name="email address"
+                    ),
+                ),
+                (
+                    "is_staff",
+                    models.BooleanField(
+                        default=False,
+                        help_text="Designates whether the user can log into this admin site.",
+                        verbose_name="staff status",
+                    ),
+                ),
+                (
+                    "is_active",
+                    models.BooleanField(
+                        default=True,
+                        help_text="Designates whether this user should be treated as active. Unselect this instead of deleting accounts.",
+                        verbose_name="active",
+                    ),
+                ),
+                (
+                    "date_joined",
+                    models.DateTimeField(
+                        default=django.utils.timezone.now, verbose_name="date joined"
+                    ),
+                ),
+                ("license_number", models.CharField(max_length=255)),
+                (
+                    "groups",
+                    models.ManyToManyField(
+                        blank=True,
+                        help_text="The groups this user belongs to. A user will get all permissions granted to each of their groups.",
+                        related_name="user_set",
+                        related_query_name="user",
+                        to="auth.Group",
+                        verbose_name="groups",
+                    ),
+                ),
+                (
+                    "user_permissions",
+                    models.ManyToManyField(
+                        blank=True,
+                        help_text="Specific permissions for this user.",
+                        related_name="user_set",
+                        related_query_name="user",
+                        to="auth.Permission",
+                        verbose_name="user permissions",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'driver',
-                'verbose_name_plural': 'drivers',
+                "verbose_name": "driver",
+                "verbose_name_plural": "drivers",
             },
             managers=[
-                ('objects', django.contrib.auth.models.UserManager()),
+                ("objects", django.contrib.auth.models.UserManager()),
             ],
         ),
         migrations.CreateModel(
-            name='Manufacturer',
+            name="Manufacturer",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name', models.CharField(max_length=255)),
-                ('country', models.CharField(max_length=255)),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=255)),
+                ("country", models.CharField(max_length=255)),
             ],
         ),
         migrations.CreateModel(
-            name='Car',
+            name="Car",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('model', models.CharField(max_length=255)),
-                ('drivers', models.ManyToManyField(related_name='cars', to=settings.AUTH_USER_MODEL)),
-                ('manufacturer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='taxi.manufacturer')),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("model", models.CharField(max_length=255)),
+                (
+                    "drivers",
+                    models.ManyToManyField(
+                        related_name="cars", to=settings.AUTH_USER_MODEL
+                    ),
+                ),
+                (
+                    "manufacturer",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="taxi.manufacturer",
+                    ),
+                ),
             ],
         ),
     ]

taxi/migrations/0002_alter_manufacturer_options_and_more.py

@@ -4,19 +4,18 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('taxi', '0001_initial'),
+        ("taxi", "0001_initial"),
     ]
 
     operations = [
         migrations.AlterModelOptions(
-            name='manufacturer',
-            options={'ordering': ['name']},
+            name="manufacturer",
+            options={"ordering": ["name"]},
         ),
         migrations.AlterField(
-            model_name='driver',
-            name='license_number',
+            model_name="driver",
+            name="license_number",
             field=models.CharField(max_length=255, unique=True),
         ),
     ]

taxi/migrations/0003_alter_manufacturer_name.py

@@ -4,15 +4,14 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('taxi', '0002_alter_manufacturer_options_and_more'),
+        ("taxi", "0002_alter_manufacturer_options_and_more"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='manufacturer',
-            name='name',
+            model_name="manufacturer",
+            name="name",
             field=models.CharField(max_length=255, unique=True),
         ),
     ]

taxi/urls.py

@@ -20,7 +20,9 @@
     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"
     ),
 ]
 

taxi/views.py

@@ -1,47 +1,56 @@
+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()
 
+    if "num_visits" not in request.session:
+        request.session["num_visits"] = 0
+    request.session["num_visits"] += 1
+    num_visits = request.session["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
 
 
-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

@@ -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

@@ -1,4 +1,18 @@
+
+
 <ul class="sidebar-nav">
+  {% if user.is_authenticated %}
+    User:
+    <a href="{% url 'taxi:driver-detail' user.id %}">
+      {{ user.first_name }} {{ user.last_name }}
+    </a>
+    <br>
+    <a href="{% url 'logout' %}">Logout</a>
+    <hr>
+  {% else %}
+    <a href="{% url 'login' %}">Login</a>
+    <hr>
+  {% 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>

templates/registration/logged_out.html

@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+
+{% block content %}
+  <h3>You are now logged out</h3>
+  <a href="{% url 'login' %}">Click here to log in</a>
+{% endblock %}

templates/registration/login.html

@@ -0,0 +1,19 @@
+{% 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 %}
+    <label for="id_username">Username:</label>
+    <input type="text" id="id_username" name="username">
+    <br>
+    <label for="id_password">Password:</label>
+    <input type="password" id="id_password" name="password">
+    <br>
+    <input type="submit" value="Log In">
+  </form>
+{% endblock %}

templates/taxi/driver_list.html

@@ -7,7 +7,9 @@ <h1>Driver list</h1>
       {% 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.username == user.username %}
+            <span>(Me)</span>
+          {% endif %}
         </li>
       {% endfor %}
     </ul>

templates/taxi/index.html

@@ -10,4 +10,6 @@ <h2>Dynamic content</h2>
     <li><strong>Drivers:</strong> {{ num_drivers }}</li>
     <li><strong>Manufacturers:</strong> {{ num_manufacturers }}</li>
   </ul>
+  <p>The page has been visited: {{ num_visits }} time{{ num_visits|pluralize }}</p>
 {% endblock %}
+