Add link to third-party package for LinkHeaderPagination. (#5270)

This commit is contained in:
Tommy Beadle 2017-07-12 11:45:41 -04:00 committed by Tom Christie
parent 8a8389bd4b
commit 2a1fd3b45a

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@ -242,29 +242,6 @@ We'd then need to setup the custom class in our configuration:
Note that if you care about how the ordering of keys is displayed in responses in the browsable API you might choose to use an `OrderedDict` when constructing the body of paginated responses, but this is optional.
## Header based pagination
Let's modify the built-in `PageNumberPagination` style, so that instead of include the pagination links in the body of the response, we'll instead include a `Link` header, in a [similar style to the GitHub API][github-link-pagination].
class LinkHeaderPagination(pagination.PageNumberPagination):
def get_paginated_response(self, data):
next_url = self.get_next_link()
previous_url = self.get_previous_link()
if next_url is not None and previous_url is not None:
link = '<{next_url}>; rel="next", <{previous_url}>; rel="prev"'
elif next_url is not None:
link = '<{next_url}>; rel="next"'
elif previous_url is not None:
link = '<{previous_url}>; rel="prev"'
else:
link = ''
link = link.format(next_url=next_url, previous_url=previous_url)
headers = {'Link': link} if link else {}
return Response(data, headers=headers)
## Using your custom pagination class
To have your custom pagination class be used by default, use the `DEFAULT_PAGINATION_CLASS` setting:
@ -328,10 +305,15 @@ The [`DRF-extensions` package][drf-extensions] includes a [`PaginateByMaxMixin`
The [`drf-proxy-pagination` package][drf-proxy-pagination] includes a `ProxyPagination` class which allows to choose pagination class with a query parameter.
## link-header-pagination
The [`django-rest-framework-link-header-pagination` package][drf-link-header-pagination] includes a `LinkHeaderPagination` class which provides pagination via an HTTP `Link` header as desribed in [Github's developer documentation](github-link-pagination).
[cite]: https://docs.djangoproject.com/en/stable/topics/pagination/
[github-link-pagination]: https://developer.github.com/guides/traversing-with-pagination/
[link-header]: ../img/link-header-pagination.png
[drf-extensions]: http://chibisov.github.io/drf-extensions/docs/
[paginate-by-max-mixin]: http://chibisov.github.io/drf-extensions/docs/#paginatebymaxmixin
[drf-proxy-pagination]: https://github.com/tuffnatty/drf-proxy-pagination
[drf-link-header-pagination]: https://github.com/tbeadle/django-rest-framework-link-header-pagination
[disqus-cursor-api]: http://cramer.io/2011/03/08/building-cursors-for-the-disqus-api