apprise-api/apprise_api/core/middleware/theme.py
2023-10-20 05:43:15 -04:00

85 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2023 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
from django.conf import settings
from core.themes import SiteTheme, SITE_THEMES
import datetime
class AutoThemeMiddleware:
"""
Using the `theme=` variable, allow one to fix the language to either
'dark' or 'light'
"""
def __init__(self, get_response):
"""
Prepare our initialization
"""
self.get_response = get_response
def __call__(self, request):
"""
Define our middleware hook
"""
# Our current theme
current_theme = \
request.COOKIES.get('t', request.COOKIES.get(
'theme', settings.APPRISE_DEFAULT_THEME))
# Extract our theme (fall back to our default if not set)
theme = request.GET.get("theme", current_theme).strip().lower()
theme = next((entry for entry in SITE_THEMES
if entry.startswith(theme)), None) \
if theme else None
if theme not in SITE_THEMES:
# Fallback to default theme
theme = SiteTheme.LIGHT
# Set our theme to a cookie
request.theme = theme
# Set our next theme
request.next_theme = SiteTheme.LIGHT \
if theme == SiteTheme.DARK \
else SiteTheme.DARK
# Get our response object
response = self.get_response(request)
# Set our cookie
max_age = 365 * 24 * 60 * 60 # 1 year
expires = datetime.datetime.utcnow() + \
datetime.timedelta(seconds=max_age)
# Set our cookie
response.set_cookie('theme', theme, expires=expires)
# return our response
return response