Automatically get the user's timezone from their browser time (for Django but works elsewhere).
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| {% load tz %} | |
| <html> | |
| <head> | |
| <script> | |
| {% get_current_timezone as TIME_ZONE %} | |
| window.TIME_ZONE = '{{TIME_ZONE}}' // timezone server thinks we're in | |
| function setCookie(name, value, days) { | |
| let expires = "" | |
| if (days) { | |
| const expiry_date = (new Date()).setTime(date.getTime() + (days*24*60*60*1000)) | |
| expires = "; expires=" + expiry_date.toUTCString() | |
| } | |
| document.cookie = name + "=" + (value || "") + expires + "; path=/" | |
| } | |
| function setTimezoneCookie() { | |
| if (window.gmt_offset) return | |
| window.GMT_OFFSET = -(new Date).getTimezoneOffset() | |
| window.setCookie('GMT_OFFSET', window.GMT_OFFSET, 365) | |
| } | |
| setTimezoneCookie() | |
| </script> | |
| </head> | |
| <body> | |
| Current timezone: {{TIME_ZONE}} | |
| </body> | |
| </html> |
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| # settings.py: | |
| MIDDLEWARE = [ | |
| 'yourapp.middleware.AutoBrowserTimezoneMiddleware', | |
| ... | |
| ] | |
| # yourapp/middleware.py: | |
| from django.utils import timezone | |
| def readTimezoneCookie(request, activate: bool=True): | |
| gmt_offset = (self.request.COOKIES.get("GMT_OFFSET") or '').strip() | |
| if gmt_offset.replace('-', '').isdigit(): | |
| tz = timezone.get_fixed_timezone(int(gmt_offset)) | |
| if activate: | |
| timezone.activate(tz) | |
| return tz | |
| return None | |
| def AutoBrowserTimezoneMiddleware(get_response): | |
| def middleware(request): | |
| readTimezoneCookie(request, activate=True) | |
| return get_response(request) | |
| return middleware |
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