Django CreateView

from django.views.generic import CreateView
from django.urls import reverse_lazy
from .models import Task
from .forms import TaskForm

class TaskCreateView(CreateView):
    model = Task
    form_class = TaskForm
    template_name = 'tasks/task_form.html'
    success_url = reverse_lazy('task-list')

path('tasks/new/', views.TaskCreateView.as_view(), name='task-create'),

<form method="post">
  {% csrf_token %}
  {{ form.as_p }}
  <button type="submit">Создать</button>
</form>

class TaskCreateView(LoginRequiredMixin, CreateView):
    model = Task
    fields = ['title', 'description', 'priority', 'project']

    def form_valid(self, form):
        form.instance.owner = self.request.user
        return super().form_valid(form)

    def get_success_url(self):
        return reverse('task-detail', kwargs={'pk': self.object.pk})

# Простой вариант — перечислить поля
fields = ['title', 'description', 'priority']

# Расширенный — использовать форму с кастомной валидацией
form_class = TaskForm

def get_initial(self):
    initial = super().get_initial()
    initial['project'] = self.request.GET.get('project')
    return initial