iamkonstantin/blog/middleware.py

29 lines
1 KiB
Python

from django.http import Http404, HttpResponseRedirect
from django.urls import resolve
class BlogRedirectMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
# Code to be executed for each request before
# the view (and later middleware) are called.
response = self.get_response(request)
# Check if the response is 404 and not a request for /blog/
if (response.status_code == 404 and
not (request.path.startswith('/blog/') or request.path.startswith('/media/'))):
new_path = f'/blog{request.path}'
new_path = new_path.replace('/posts/', '/')
try:
# Check if the new URL with /blog/ exists
resolve(new_path)
# Redirect to the new URL if it exists
return HttpResponseRedirect(new_path)
except Http404:
# If the new URL doesn't exist, return the original 404 response
pass
return response