#29680: Paginate start with last Page
-------------------------------------+-------------------------------------
Reporter: Dario Navin | Owner: Dario
Type: | Navin
Cleanup/optimization | Status: assigned
Component: Generic views | Version: 2.1
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Dario Navin):
Replying to [comment:1 Tim Graham]:
> What's the use case for starting pagination on the last page? Couldn't
you just reverse the order of whatever you're paginating?
Forums use the same schema as well as displaying messages.
Let's say I have a simple Message model.
I want to display my messages with the latest message being on the bottom:
1. First Message
2. Second Message
3. ....
4. Latest Message
In the current state I would have to order the queryset decending by id in
my view to get the last message on the first page.
{{{
class SingleMessageDetailView(ListView):
model = Message
template_name = 'message.html'
paginate_by = 10
context_object_name = "messages"
ordering = "-id"
}}}
But now I am facing the problem that the last message is the first object
in my queryset.
I could solve it by reversing the queryset in the template but in my
opinion that is not a beautiful code since we have to make two adjustments
at two different ends.
{{{
{% for obj in messages reversed %}
}}}
Having the option to start at the last page would make it easier &
friendlier for development.
The other current option is to use a function based view or to change the
url:
{{{
# Normally I would move the 'page last part' to the absolute url but for
demonstration purpose I have put it in the html code.
<a href="{{ message.get_absolute_url }}?page=last">{{ message.subject
}}</a>
}}}
Also, jumping to the last page is quite common in forums and follows the
"book-style".
--
Ticket URL: <https://code.djangoproject.com/ticket/29680#comment:2>
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