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37 lines
1.4 KiB
37 lines
1.4 KiB
# Copyright © 2017 Tom Hacohen
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, version 3.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from rest_framework import pagination
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from rest_framework.response import Response
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class LinkHeaderPagination(pagination.LimitOffsetPagination):
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def get_paginated_response(self, data):
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next_url = self.get_next_link()
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previous_url = self.get_previous_link()
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if next_url is not None and previous_url is not None:
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link = '<{next_url}>; rel="next", <{previous_url}>; rel="prev"'
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elif next_url is not None:
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link = '<{next_url}>; rel="next"'
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elif previous_url is not None:
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link = '<{previous_url}>; rel="prev"'
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else:
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link = ''
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link = link.format(next_url=next_url, previous_url=previous_url)
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headers = {'Link': link} if link else {}
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return Response(data, headers=headers)
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