diff options
Diffstat (limited to 'docs/api-guide/pagination.md')
| -rw-r--r-- | docs/api-guide/pagination.md | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/docs/api-guide/pagination.md b/docs/api-guide/pagination.md index 9fbeb22a..8ab2edd5 100644 --- a/docs/api-guide/pagination.md +++ b/docs/api-guide/pagination.md @@ -63,7 +63,7 @@ Or apply the style globally, using the `DEFAULT_PAGINATION_CLASS` settings key. # Custom pagination styles -To create a custom pagination serializer class you should subclass `pagination.BasePagination` and override the `paginate_queryset(self, queryset, request, view)` and `get_paginated_response(self, data)` methods: +To create a custom pagination serializer class you should subclass `pagination.BasePagination` and override the `paginate_queryset(self, queryset, request, view=None)` and `get_paginated_response(self, data)` methods: * The `paginate_queryset` method is passed the initial queryset and should return an iterable object that contains only the data in the requested page. * The `get_paginated_response` method is passed the serialized page data and should return a `Response` instance. @@ -74,7 +74,7 @@ Note that the `paginate_queryset` method may set state on the pagination instanc 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(PageNumberPagination) + class LinkHeaderPagination(pagination.PageNumberPagination): def get_paginated_response(self, data): next_url = self.get_next_link()
previous_url = self.get_previous_link() @@ -82,7 +82,7 @@ Let's modify the built-in `PageNumberPagination` style, so that instead of inclu link = '<{next_url}; rel="next">, <{previous_url}; rel="prev">' elif next_url is not None: link = '<{next_url}; rel="next">' - elif prev_url is not None: + elif previous_url is not None: link = '<{previous_url}; rel="prev">' else: link = '' @@ -97,10 +97,20 @@ Let's modify the built-in `PageNumberPagination` style, so that instead of inclu To have your custom pagination class be used by default, use the `DEFAULT_PAGINATION_CLASS` setting: REST_FRAMEWORK = { - 'DEFAULT_PAGINATION_CLASS': - 'my_project.apps.core.pagination.LinkHeaderPagination', + 'DEFAULT_PAGINATION_CLASS': 'my_project.apps.core.pagination.LinkHeaderPagination', + 'PAGINATE_BY': 10 } +API responses for list endpoints will now include a `Link` header, instead of including the pagination links as part of the body of the response, for example: + +--- + +![Link Header][link-header] + +*A custom pagination style, using the 'Link' header'* + +--- + # Third party packages The following third party packages are also available. @@ -111,5 +121,6 @@ The [`DRF-extensions` package][drf-extensions] includes a [`PaginateByMaxMixin` [cite]: https://docs.djangoproject.com/en/dev/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 |