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authorlxf <sng@luxagraf.net>2022-05-14 16:38:07 -0400
committerlxf <sng@luxagraf.net>2022-05-14 16:38:07 -0400
commitbb3973ffb714c932e9ec6dd6a751228dc71fe1d3 (patch)
tree6fa32f9392ad2ec32271349b86a4c1388fd6ba95 /app/lib/django_comments/views/utils.py
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diff --git a/app/lib/django_comments/views/utils.py b/app/lib/django_comments/views/utils.py
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+"""
+A few bits of helper functions for comment views.
+"""
+
+import textwrap
+
+try:
+ from urllib.parse import urlencode
+except ImportError: # Python 2
+ from urllib import urlencode
+
+from django.http import HttpResponseRedirect
+from django.shortcuts import render, resolve_url
+from django.core.exceptions import ObjectDoesNotExist
+from django.utils.http import is_safe_url
+
+import django_comments
+
+
+def next_redirect(request, fallback, **get_kwargs):
+ """
+ Handle the "where should I go next?" part of comment views.
+
+ The next value could be a
+ ``?next=...`` GET arg or the URL of a given view (``fallback``). See
+ the view modules for examples.
+
+ Returns an ``HttpResponseRedirect``.
+ """
+ next = request.POST.get('next')
+ if not is_safe_url(url=next, allowed_hosts={request.get_host()}):
+ next = resolve_url(fallback)
+
+ if get_kwargs:
+ if '#' in next:
+ tmp = next.rsplit('#', 1)
+ next = tmp[0]
+ anchor = '#' + tmp[1]
+ else:
+ anchor = ''
+
+ joiner = ('?' in next) and '&' or '?'
+ next += joiner + urlencode(get_kwargs) + anchor
+ return HttpResponseRedirect(next)
+
+
+def confirmation_view(template, doc="Display a confirmation view."):
+ """
+ Confirmation view generator for the "comment was
+ posted/flagged/deleted/approved" views.
+ """
+
+ def confirmed(request):
+ comment = None
+ if 'c' in request.GET:
+ try:
+ comment = django_comments.get_model().objects.get(pk=request.GET['c'])
+ except (ObjectDoesNotExist, ValueError):
+ pass
+ return render(request, template, {'comment': comment})
+
+ confirmed.__doc__ = textwrap.dedent("""\
+ %s
+
+ Templates: :template:`%s``
+ Context:
+ comment
+ The posted comment
+ """ % (doc, template)
+ )
+ return confirmed