lesson 49

.gitignore

 venv
 db.sqlite3
 .idea
+ap_12/db.sqlite3
\ No newline at end of file

ap_12/core/urls.py

@@ -20,9 +20,10 @@ from webapp import views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('', views.index_view, name='index'),
+    path('', views.IndexRedirectView.as_view(), name='redirect_to_index'),
+    path('articles', views.IndexView.as_view(), name='index'),
     path('articles/add', views.article_create_view, name='articles_add'),
-    path('articles/<int:id>', views.article_detail_view, name='articles_detail'),
+    path('articles/<int:id>', views.ArticleDetailView.as_view(), name='articles_detail'),
     path('articles/<int:id>/update', views.article_update_view, name='articles_update'),
     path('articles/<int:id>/delete', views.article_delete_view, name='articles_delete'),
 ]

ap_12/webapp/migrations/0003_auto_20240122_1347.py

+# Generated by Django 3.2.19 on 2024-01-22 13:47
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('webapp', '0002_auto_20240108_1448'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField(max_length=400, verbose_name='Текст')),
+                ('author', models.CharField(blank=True, default='Аноним', max_length=40, verbose_name='Автор')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
+                ('article', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='webapp.article', verbose_name='Статья')),
+            ],
+        ),
+        migrations.DeleteModel(
+            name='User',
+        ),
+    ]

ap_12/webapp/models.py

@@ -23,6 +23,17 @@ class Article(models.Model):
         return f'{self.id} {self.title}'
 
 
+class Comment(models.Model):
+    article = models.ForeignKey(
+        'webapp.Article',
+        related_name='comments',
+        on_delete=models.CASCADE,
+        verbose_name='Статья'
+    )
+    text = models.TextField(max_length=400, verbose_name='Текст')
+    author = models.CharField(max_length=40, blank=True, default='Аноним', verbose_name='Автор')
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')
+    updated_at = models.DateTimeField(auto_now=True, verbose_name='Дата обновления')
 
-class User(models.Model):
-    name = models.CharField(max_length=200, verbose_name='Имя')
+    def __str__(self):
+        return self.text[:20]

ap_12/webapp/views.py

+from typing import Any
 from django.shortcuts import render, get_object_or_404, redirect
+from django.views import generic
+
 from webapp.forms import ArticleForm
 from webapp.models import Article
 
@@ -6,16 +9,23 @@ from webapp.models import Article
 # CRUD - Create Read Update Delete
 
 
-def index_view(request):
+class IndexRedirectView(generic.RedirectView):
+    pattern_name = 'index'
+
+
+class IndexView(generic.View):
+    def get(self, request):
         context = {'articles': Article.objects.all()}
 
         return render(request, 'index.html', context)    
 
 
-def article_detail_view(request, id):
-    context = {'article': get_object_or_404(Article, id=id)}
+class ArticleDetailView(generic.TemplateView):
+    template_name = 'articles/detail.html'
 
-    return render(request, 'articles/detail.html', context)
+    def get_context_data(self, **kwargs):
+        kwargs['article'] = get_object_or_404(Article, id=kwargs['id'])
+        return super().get_context_data(**kwargs)
 
 
 def article_create_view(request):