[Django]-Adding a next/previous button in blog posts

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I think you try to do too much yourself. Django has support for this, it even has a lot of support when rendering lists, and enforcing that the user is logged in.

We can use a class-based view for this: a ListView:

from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import ListView

class PostListView(LoginRequiredMixin, ListView):
    model = Post
    template_name = 'dashboard/postlist.html'
    paginate_by = 5
    queryset = Post.objects.order_by('-date')

In your dashboard/postlist.html template, then you can add logic to render the buttons. Like for example:

<!-- render the list -->

{% if is_paginated %}
    {% if page_obj.has_previous %}
        <a href="?page={{ page_obj.previous_page_number }}">previous</a>
    {% endif %}
    {% if page_obj.has_next %}
        <a href="?page={{ page_obj.next_page_number }}">next</a>
    {% endif %}
{% endif %}

In the urls.py you can then use the PostListView.as_view() instead of the PostLists. So the ListView will here handle authentication check, slicing, pagination, etc.

👤willeM_ Van Onsem

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