78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
from programmer.mixins import MenuContextMixin
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from django.views.generic import ListView, DetailView, CreateView
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from django.urls import reverse_lazy
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from django.contrib import messages
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from django.utils.decorators import method_decorator
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from django.views.decorators.cache import cache_page
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from .models import Article, Category
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from .services import (
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get_published_articles, get_article_by_slug,
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increment_article_views, add_comment_to_article
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)
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from .forms import CommentForm
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from django.http import Http404
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from django.shortcuts import redirect
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class ArticleListView(MenuContextMixin, ListView):
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"""Список статей"""
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model = Article
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template_name = 'blog/article_list.html'
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context_object_name = 'articles'
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paginate_by = 10
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def get_queryset(self):
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category_slug = self.kwargs.get('category_slug')
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return get_published_articles(category_slug)
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['categories'] = Category.objects.all()
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if 'category_slug' in self.kwargs:
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context['current_category'] = Category.objects.filter(
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slug=self.kwargs['category_slug']
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).first()
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return context
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@method_decorator(cache_page(60 * 5)) # кэширование страницы на 5 минут
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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class ArticleDetailView(MenuContextMixin, DetailView, CreateView):
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"""Детальная страница статьи + форма комментария"""
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model = Article
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template_name = 'blog/article_detail.html'
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context_object_name = 'article'
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form_class = CommentForm
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def get_object(self, queryset=None):
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article = get_article_by_slug(self.kwargs['slug'])
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if article is None:
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raise Http404("Статья не найдена")
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return article
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def get(self, request, *args, **kwargs):
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# Увеличиваем счётчик просмотров при GET запросе
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self.object = self.get_object()
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increment_article_views(self.object)
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return super().get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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self.object = self.get_object()
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form = self.get_form()
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if form.is_valid():
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return self.form_valid(form)
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else:
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return self.form_invalid(form)
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def form_valid(self, form):
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comment = add_comment_to_article(
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article=self.object,
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data=form.cleaned_data
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)
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messages.success(self.request, "Ваш комментарий отправлен на модерацию.")
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return redirect(self.object.get_absolute_url())
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