class IndexView(ListView):
"""
Представление для просмотра списка статей. Представление реализовано с
использованием generic-представления ListView.
В представлении активирована пагинация и реализован поиск
"""
template_name = 'articles/index.html'
model = Article
context_object_name = 'articles'
ordering = ('title', '-created_at')
paginate_by = 5
paginate_orphans = 1
def get(self, request, **kwargs):
self.form = SearchForm(request.GET)
self.search_data = self.get_search_data()
return super(IndexView, self).get(request, **kwargs)
def get_queryset(self):
queryset = super().get_queryset()
if self.search_data:
queryset = queryset.filter(
Q(title__icontains=self.search_data) |
Q(author__icontains=self.search_data) |
Q(content__icontains=self.search_data)
)
return queryset
def get_search_data(self):
if self.form.is_valid():
return self.form.cleaned_data['search_value']
return None
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['search_form'] = self.form
user = self.request.user
i = []
for i in ArticleLike.objects.filter(id=self.kwargs.get('id')):
i.append(i.article.id)
context['like_id'] = i
liked_articles = []
if self.request.user.is_authenticated:
ddd = ArticleLike.objects.filter(author=self.request.user)
for d in ddd:
liked_articles.append(d.article.pk)
context['liked_articles'] = liked_articles
if self.search_data:
context['query'] = urlencode({'search_value': self.search_data})
return context
def get(self, request, **kwargs):
self.form = SearchForm(request.GET)
self.search_data = self.get_search_data()
return super(IndexView, self).get(request, **kwargs)