X-Git-Url: https://git.mdrn.pl/django-pagination.git/blobdiff_plain/86caf150984733eb5a0bb07af26cd8fc0a8d8496..abf535d21fd19b257e5d6fecfd60e470cc12de7f:/fnp_django_pagination/middleware.py?ds=sidebyside diff --git a/fnp_django_pagination/middleware.py b/fnp_django_pagination/middleware.py new file mode 100644 index 0000000..580be43 --- /dev/null +++ b/fnp_django_pagination/middleware.py @@ -0,0 +1,54 @@ +# Copyright (c) 2008, Eric Florenzano +# Copyright (c) 2010, 2011 Linaro Limited +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# * Neither the name of the author nor the names of other +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +def get_page(self, suffix): + """ + A function which will be monkeypatched onto the request to get the current + integer representing the current page. + """ + try: + # REQUEST is deprecated as of Django 1.7. + key = 'page%s' % suffix + value = self.POST.get(key) + if value is None: + value = self.GET.get(key) + return int(value) + except (KeyError, ValueError, TypeError): + return 1 + + +class PaginationMiddleware(object): + """ + Inserts a variable representing the current page onto the request object if + it exists in either **GET** or **POST** portions of the request. + """ + def process_request(self, request): + request.__class__.page = get_page