Hello all! I'm new in Django and have some problems understanding how I
made this DetaiView work.
I started changing my FBV to GCBV. This one, that the only thing it does is
group articles by a tag:
def tag(request, tag_name):
> tag = get_object_or_404(Tag, tag_name=tag_name)
> articles = tag.article_set.all().order_by('-created_at')
> context = {
> 'tag': tag,
> 'articles': articles,
> }
> return render(request, 'default/index.html', context)
>
I somehow made it work like this:
class TagDetailView(DetailView):
> model = Tag
> template_name = 'default/index.html'
> slug_field = 'tag_name' # get the tag name for the url
>
> def get_context_data(self, **kwargs):
> tag_ = self.kwargs.get('slug') # get the tag_name (slug)
> context = super().get_context_data(**kwargs)
> context['tag'] = get_object_or_404(Tag, tag_name=tag_)
> context['articles'] = context['tag'] \
> .article_set.all().order_by('-created_at')
> return context
>
This made sense to me, but I continued playing with it and still worked
after I removed tag_ and context['tag']
class TagDetailView(DetailView):
> model = Tag
> template_name = 'default/index.html'
> slug_field = 'tag_name' # get the tag name for the url
>
> def get_context_data(self, **kwargs):
> context = super().get_context_data(**kwargs)
> context['articles'] = context['tag'] \
> .article_set.all().order_by('-created_at')
> return context
>
How can both, {{ tag }} and {{ articles }} be rendering in the template? I
really want to understand that before I continue. I have read the
documentation, some articles and don get it. Thank you.
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