mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-12-23 15:33:45 +00:00
64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# -*- mode: python; coding: utf-8 -*-
|
|
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
|
|
# se veut agnostique au réseau considéré, de manière à être installable en
|
|
# quelques clics.
|
|
#
|
|
# Copyright © 2018 Maël Kervella
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
"""Defines the pagination classes used in the API to paginate the results.
|
|
"""
|
|
|
|
from rest_framework import pagination
|
|
|
|
|
|
class PageSizedPagination(pagination.PageNumberPagination):
|
|
"""Provide the possibility to control the page size by using the
|
|
'page_size' parameter. The value 'all' can be used for this parameter
|
|
to retrieve all the results in a single page.
|
|
|
|
Attributes:
|
|
page_size_query_param: The string to look for in the parameters of
|
|
a query to get the page_size requested.
|
|
all_pages_strings: A set of strings that can be used in the query to
|
|
request all results in a single page.
|
|
max_page_size: The maximum number of results a page can output no
|
|
matter what is requested.
|
|
"""
|
|
|
|
page_size_query_param = "page_size"
|
|
all_pages_strings = ("all",)
|
|
max_page_size = 10000
|
|
|
|
def get_page_size(self, request):
|
|
"""Retrieve the size of the page according to the parameters of the
|
|
request.
|
|
|
|
Args:
|
|
request: the request of the user
|
|
|
|
Returns:
|
|
A integer between 0 and `max_page_size` that represent the size
|
|
of the page to use.
|
|
"""
|
|
try:
|
|
page_size_str = request.query_params[self.page_size_query_param]
|
|
if page_size_str in self.all_pages_strings:
|
|
return self.max_page_size
|
|
except KeyError:
|
|
pass
|
|
|
|
return super(PageSizedPagination, self).get_page_size(request)
|