Solution

taxi/forms.py

@@ -0,0 +1,44 @@
+# import re
+
+from django.contrib.auth.forms import UserCreationForm
+# from django.core.exceptions import ValidationError
+from django.forms import ModelForm, CheckboxSelectMultiple
+
+from taxi.models import Driver, Car
+
+
+class DriverCreationForm(UserCreationForm):
+    class Meta(UserCreationForm.Meta):
+        model = Driver
+        fields = UserCreationForm.Meta.fields + (
+            "first_name", "last_name", "license_number"
+        )
+
+    # def clean_license_number(self):
+    #     data = self.cleaned_data["license_number"]
+    #
+    #     if not re.fullmatch(r"^[A-Z]{3}[0-9]{5}$", data):
+    #         raise ValidationError("The license number is incorrect.")
+    #
+    #     return data
+
+
+class DriverLicenseUpdateForm(ModelForm):
+    class Meta:
+        model = Driver
+        fields = ("first_name", "last_name", "license_number")
+
+    # def clean_license_number(self):
+    #     data = self.cleaned_data["license_number"]
+    #
+    #     if not re.fullmatch(r"^[A-Z]{3}[0-9]{5}$", data):
+    #         raise ValidationError("The license number is incorrect.")
+    #
+    #     return data
+
+
+class CarCreateForm(ModelForm):
+    class Meta:
+        model = Car
+        fields = "__all__"
+        widgets = {"drivers": CheckboxSelectMultiple}

taxi/models.py

@@ -1,3 +1,6 @@
+import re
+
+from django.core.exceptions import ValidationError
 from django.db import models
 from django.contrib.auth.models import AbstractUser
 from django.urls import reverse
@@ -27,6 +30,14 @@ def __str__(self):
     def get_absolute_url(self):
         return reverse("taxi:driver-detail", kwargs={"pk": self.pk})
 
+    def clean_license_number(self):
+        if not re.fullmatch(r"^[A-Z]{3}[0-9]{5}$", self.license_number):
+            raise ValidationError("The license number is incorrect.")
+
+    def clean(self):
+        super().clean()
+        self.clean_license_number()
+
 
 class Car(models.Model):
     model = models.CharField(max_length=255)

taxi/urls.py

@@ -13,6 +13,9 @@
     ManufacturerCreateView,
     ManufacturerUpdateView,
     ManufacturerDeleteView,
+    DriverCreateView,
+    DriverDeleteView,
+    DriverUpdateView,
 )
 
 urlpatterns = [
@@ -46,6 +49,17 @@
     path(
         "drivers/<int:pk>/", DriverDetailView.as_view(), name="driver-detail"
     ),
+    path("drivers/create/", DriverCreateView.as_view(), name="driver-create"),
+    path(
+        "drivers/<int:pk>/delete/",
+        DriverDeleteView.as_view(),
+        name="driver-delete"
+    ),
+    path(
+        "drivers/<int:pk>/update/",
+        DriverUpdateView.as_view(),
+        name="driver-update"
+    )
 ]
 
 app_name = "taxi"

taxi/views.py

@@ -1,9 +1,10 @@
 from django.contrib.auth.decorators import login_required
-from django.shortcuts import render
-from django.urls import reverse_lazy
+from django.shortcuts import render, redirect
+from django.urls import reverse_lazy, reverse
 from django.views import generic
 from django.contrib.auth.mixins import LoginRequiredMixin
 
+from .forms import DriverCreationForm, DriverLicenseUpdateForm, CarCreateForm
 from .models import Driver, Car, Manufacturer
 
 
@@ -61,10 +62,24 @@ class CarListView(LoginRequiredMixin, generic.ListView):
 class CarDetailView(LoginRequiredMixin, generic.DetailView):
     model = Car
 
+    def post(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        user = request.user
+        print(user)
+        if "add_driver" in request.POST:
+            self.object.drivers.add(user)
+
+        if "remove_driver" in request.POST:
+            self.object.drivers.remove(user)
+
+        return redirect(reverse(
+            "taxi:car-detail", kwargs={"pk": self.object.pk}
+        ))
+
 
 class CarCreateView(LoginRequiredMixin, generic.CreateView):
     model = Car
-    fields = "__all__"
+    form_class = CarCreateForm
     success_url = reverse_lazy("taxi:car-list")
 
 
@@ -87,3 +102,20 @@ class DriverListView(LoginRequiredMixin, generic.ListView):
 class DriverDetailView(LoginRequiredMixin, generic.DetailView):
     model = Driver
     queryset = Driver.objects.all().prefetch_related("cars__manufacturer")
+
+
+class DriverCreateView(LoginRequiredMixin, generic.CreateView):
+    model = Driver
+    form_class = DriverCreationForm
+    success_url = reverse_lazy("taxi:driver-list")
+
+
+class DriverDeleteView(LoginRequiredMixin, generic.DeleteView):
+    model = Driver
+    success_url = reverse_lazy("taxi:driver-list")
+
+
+class DriverUpdateView(LoginRequiredMixin, generic.UpdateView):
+    model = Driver
+    form_class = DriverLicenseUpdateForm
+    success_url = reverse_lazy("taxi:driver-list")

templates/taxi/car_detail.html

@@ -3,20 +3,35 @@
 {% block content %}
   <h1>
     {{ car.model }}
-    <a href="{% url 'taxi:car-delete' pk=car.id %}" class="btn btn-danger link-to-page">
-      Delete
-    </a>
-
-    <a href="{% url 'taxi:car-update' pk=car.id %}" class="btn btn-secondary link-to-page">
-      Update
-    </a>
   </h1>
   <p>Manufacturer: ({{ car.manufacturer.name }}, {{ car.manufacturer.country }})</p>
-  <h1>Drivers</h1>
+  <h1>
+    Drivers
+    {% if user.is_authenticated %}
+      <form style="display: inline" action="" method="post">
+        {% csrf_token %}
+        {% if user in car.drivers.all %}
+          <button class="btn btn-danger link-to-page" type="submit" name="remove_driver" value="{{ user.id }}">
+            Delete me from this car
+          </button>
+        {% else %}
+          <button class="btn btn-success link-to-page" type="submit" name="add_driver" value="{{ user.id }}">
+            Assign me to this car
+          </button>
+        {% endif %}  
+      </form>
+    {% endif %}
+  </h1>
   <hr>
   <ul>
     {% for driver in car.drivers.all %}
       <li>{{ driver.username }} ({{ driver.first_name }} {{ driver.last_name }})</li>
     {% endfor %}
   </ul>
+  <a href="{% url 'taxi:car-update' pk=car.id %}" class="btn btn-secondary">
+    Update
+  </a>
+  <a href="{% url 'taxi:car-delete' pk=car.id %}" class="btn btn-danger">
+    Delete
+  </a>
 {% endblock %}

templates/taxi/driver_confirm_delete.html

@@ -0,0 +1,10 @@
+{% extends "base.html" %}
+
+{% block content %}
+  <h1>Delete driver?</h1>
+  <form action="" method="post">
+    {% csrf_token %}
+
+    <input type="submit" value="Yes" class="btn btn-danger">
+  </form>
+{% endblock %}

templates/taxi/driver_detail.html

@@ -23,4 +23,10 @@ <h4>Cars</h4>
       <p>No cars!</p>
     {% endfor %}
   </div>
+  <a href="{% url 'taxi:driver-update' pk=driver.id %}" class="btn btn-secondary">
+      Update
+    </a>
+  <a href="{% url 'taxi:driver-delete' pk=driver.id %}" class="btn btn-danger">
+      Delete
+    </a>
 {% endblock %}

templates/taxi/driver_form.html

@@ -0,0 +1,12 @@
+{% extends "base.html" %}
+{% load crispy_forms_filters %}
+
+{% block content %}
+  <h1>Create driver:</h1>
+  <form action="" method="post" novalidate>
+    {% csrf_token %}
+    {{ form|crispy }}
+
+    <input type="submit" value="Submit" class="btn btn-primary">
+  </form>
+{% endblock %}

templates/taxi/driver_list.html

@@ -1,7 +1,11 @@
 {% extends "base.html" %}
 
 {% block content %}
-    <h1>Driver List
+    <h1>
+      Driver List
+      <a href="{% url 'taxi:driver-create' %}" class="btn btn-primary link-to-page">
+        Create
+      </a>
     </h1>
 
     {% if driver_list %}