Фреймворк: Django. Переделываем приложение с использованием классов

видео:

Исходный код

#views.py

from django.shortcuts import render,redirect

from .models import Articles
from django.views.generic import ListView, DetailView,CreateView, UpdateView,DeleteView
from .forms import ArticleForm
from django.urls import reverse, reverse_lazy
from django.contrib import messages

class HomeListView(ListView):
    model = Articles
    template_name = 'index.html'
    context_object_name = 'list_articles'


class HomeDetailView(DetailView):
    model = Articles
    template_name = 'detail.html'
    context_object_name = 'get_article'

class CustomSuccessMessageMixin:
    @property
    def success_msg(self):
        return False
        
    def form_valid(self,form):
        messages.success(self.request, self.success_msg)
        return super().form_valid(form)
    def get_success_url(self):
        return '%s?id=%s' % (self.success_url, self.object.id)



class ArticleCreateView(CustomSuccessMessageMixin, CreateView):
    model = Articles
    template_name = 'edit_page.html'
    form_class = ArticleForm
    success_url = reverse_lazy('edit_page')
    success_msg = 'Запись создана'
    def get_context_data(self,**kwargs):
        kwargs['list_articles'] = Articles.objects.all().order_by('-id')
        return super().get_context_data(**kwargs)
        

class ArticleUpdateView(CustomSuccessMessageMixin,UpdateView):
    model = Articles
    template_name = 'edit_page.html'
    form_class = ArticleForm
    success_url = reverse_lazy('edit_page')
    success_msg = 'Запись успешно обновлена'
    def get_context_data(self,**kwargs):
        kwargs['update'] = True
        return super().get_context_data(**kwargs)


class ArticleDeleteView(DeleteView):
    model = Articles
    template_name = 'edit_page.html'
    success_url = reverse_lazy('edit_page')
    success_msg = 'Запись удалена'
    
    def post(self,request,*args,**kwargs):
        messages.success(self.request, self.success_msg)
        return super().post(request)

#urls.py
from django.contrib import admin
from django.urls import path
from core import views

urlpatterns = [
    path('', views.HomeListView.as_view(), name='home'),
    path('detail/', views.HomeDetailView.as_view(), name='detail_page'),
    path('edit-page', views.ArticleCreateView.as_view(), name='edit_page'),
    path('update-page/', views.ArticleUpdateView.as_view(), name='update_page'),
    path('delete-page/', views.ArticleDeleteView.as_view(), name='delete_page'),

]