214 lines
10 KiB
Python
214 lines
10 KiB
Python
# Python imports
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import pytz
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from datetime import datetime
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# Django imports
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from django.utils.decorators import method_decorator
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from django.views.decorators.cache import cache_page
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# Third party imports
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from rest_framework import status
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from rest_framework.response import Response
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from rest_framework.permissions import AllowAny
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from rest_framework.views import APIView
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# Module imports
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from plane.authentication.rate_limit import AuthenticationThrottle
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class TimezoneEndpoint(APIView):
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permission_classes = [AllowAny]
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throttle_classes = [AuthenticationThrottle]
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@method_decorator(cache_page(60 * 60 * 2))
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def get(self, request):
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timezone_locations = [
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("Midway Island", "Pacific/Midway"), # UTC-11:00
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("American Samoa", "Pacific/Pago_Pago"), # UTC-11:00
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("Hawaii", "Pacific/Honolulu"), # UTC-10:00
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("Aleutian Islands", "America/Adak"), # UTC-10:00 (DST: UTC-09:00)
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("Marquesas Islands", "Pacific/Marquesas"), # UTC-09:30
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("Alaska", "America/Anchorage"), # UTC-09:00 (DST: UTC-08:00)
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("Gambier Islands", "Pacific/Gambier"), # UTC-09:00
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(
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"Pacific Time (US and Canada)",
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"America/Los_Angeles",
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), # UTC-08:00 (DST: UTC-07:00)
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("Baja California", "America/Tijuana"), # UTC-08:00 (DST: UTC-07:00)
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(
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"Mountain Time (US and Canada)",
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"America/Denver",
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), # UTC-07:00 (DST: UTC-06:00)
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("Arizona", "America/Phoenix"), # UTC-07:00
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("Chihuahua, Mazatlan", "America/Chihuahua"), # UTC-07:00 (DST: UTC-06:00)
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(
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"Central Time (US and Canada)",
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"America/Chicago",
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), # UTC-06:00 (DST: UTC-05:00)
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("Saskatchewan", "America/Regina"), # UTC-06:00
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(
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"Guadalajara, Mexico City, Monterrey",
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"America/Mexico_City",
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), # UTC-06:00 (DST: UTC-05:00)
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("Tegucigalpa, Honduras", "America/Tegucigalpa"), # UTC-06:00
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("Costa Rica", "America/Costa_Rica"), # UTC-06:00
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(
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"Eastern Time (US and Canada)",
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"America/New_York",
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), # UTC-05:00 (DST: UTC-04:00)
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("Lima", "America/Lima"), # UTC-05:00
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("Bogota", "America/Bogota"), # UTC-05:00
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("Quito", "America/Guayaquil"), # UTC-05:00
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("Chetumal", "America/Cancun"), # UTC-05:00 (DST: UTC-04:00)
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("Caracas (Old Venezuela Time)", "America/Caracas"), # UTC-04:30
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("Atlantic Time (Canada)", "America/Halifax"), # UTC-04:00 (DST: UTC-03:00)
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("Caracas", "America/Caracas"), # UTC-04:00
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("Santiago", "America/Santiago"), # UTC-04:00 (DST: UTC-03:00)
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("La Paz", "America/La_Paz"), # UTC-04:00
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("Manaus", "America/Manaus"), # UTC-04:00
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("Georgetown", "America/Guyana"), # UTC-04:00
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("Bermuda", "Atlantic/Bermuda"), # UTC-04:00 (DST: UTC-03:00)
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(
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"Newfoundland Time (Canada)",
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"America/St_Johns",
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), # UTC-03:30 (DST: UTC-02:30)
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("Buenos Aires", "America/Argentina/Buenos_Aires"), # UTC-03:00
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("Brasilia", "America/Sao_Paulo"), # UTC-03:00
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("Greenland", "America/Godthab"), # UTC-03:00 (DST: UTC-02:00)
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("Montevideo", "America/Montevideo"), # UTC-03:00
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("Falkland Islands", "Atlantic/Stanley"), # UTC-03:00
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(
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"South Georgia and the South Sandwich Islands",
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"Atlantic/South_Georgia",
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), # UTC-02:00
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("Azores", "Atlantic/Azores"), # UTC-01:00 (DST: UTC+00:00)
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("Cape Verde Islands", "Atlantic/Cape_Verde"), # UTC-01:00
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("Dublin", "Europe/Dublin"), # UTC+00:00 (DST: UTC+01:00)
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("Reykjavik", "Atlantic/Reykjavik"), # UTC+00:00
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("Lisbon", "Europe/Lisbon"), # UTC+00:00 (DST: UTC+01:00)
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("Monrovia", "Africa/Monrovia"), # UTC+00:00
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("Casablanca", "Africa/Casablanca"), # UTC+00:00 (DST: UTC+01:00)
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(
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"Central European Time (Berlin, Rome, Paris)",
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"Europe/Paris",
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), # UTC+01:00 (DST: UTC+02:00)
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("West Central Africa", "Africa/Lagos"), # UTC+01:00
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("Algiers", "Africa/Algiers"), # UTC+01:00
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("Lagos", "Africa/Lagos"), # UTC+01:00
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("Tunis", "Africa/Tunis"), # UTC+01:00
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(
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"Eastern European Time (Cairo, Helsinki, Kyiv)",
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"Europe/Kiev",
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), # UTC+02:00 (DST: UTC+03:00)
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("Athens", "Europe/Athens"), # UTC+02:00 (DST: UTC+03:00)
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("Jerusalem", "Asia/Jerusalem"), # UTC+02:00 (DST: UTC+03:00)
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("Johannesburg", "Africa/Johannesburg"), # UTC+02:00
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("Harare, Pretoria", "Africa/Harare"), # UTC+02:00
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("Moscow Time", "Europe/Moscow"), # UTC+03:00
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("Baghdad", "Asia/Baghdad"), # UTC+03:00
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("Nairobi", "Africa/Nairobi"), # UTC+03:00
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("Kuwait, Riyadh", "Asia/Riyadh"), # UTC+03:00
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("Tehran", "Asia/Tehran"), # UTC+03:30 (DST: UTC+04:30)
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("Abu Dhabi", "Asia/Dubai"), # UTC+04:00
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("Baku", "Asia/Baku"), # UTC+04:00 (DST: UTC+05:00)
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("Yerevan", "Asia/Yerevan"), # UTC+04:00 (DST: UTC+05:00)
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("Astrakhan", "Europe/Astrakhan"), # UTC+04:00
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("Tbilisi", "Asia/Tbilisi"), # UTC+04:00
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("Mauritius", "Indian/Mauritius"), # UTC+04:00
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("Kabul", "Asia/Kabul"), # UTC+04:30
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("Islamabad", "Asia/Karachi"), # UTC+05:00
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("Karachi", "Asia/Karachi"), # UTC+05:00
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("Tashkent", "Asia/Tashkent"), # UTC+05:00
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("Yekaterinburg", "Asia/Yekaterinburg"), # UTC+05:00
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("Maldives", "Indian/Maldives"), # UTC+05:00
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("Chagos", "Indian/Chagos"), # UTC+05:00
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("Chennai", "Asia/Kolkata"), # UTC+05:30
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("Kolkata", "Asia/Kolkata"), # UTC+05:30
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("Mumbai", "Asia/Kolkata"), # UTC+05:30
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("New Delhi", "Asia/Kolkata"), # UTC+05:30
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("Sri Jayawardenepura", "Asia/Colombo"), # UTC+05:30
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("Kathmandu", "Asia/Kathmandu"), # UTC+05:45
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("Dhaka", "Asia/Dhaka"), # UTC+06:00
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("Almaty", "Asia/Almaty"), # UTC+06:00
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("Bishkek", "Asia/Bishkek"), # UTC+06:00
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("Thimphu", "Asia/Thimphu"), # UTC+06:00
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("Yangon (Rangoon)", "Asia/Yangon"), # UTC+06:30
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("Cocos Islands", "Indian/Cocos"), # UTC+06:30
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("Bangkok", "Asia/Bangkok"), # UTC+07:00
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("Hanoi", "Asia/Ho_Chi_Minh"), # UTC+07:00
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("Jakarta", "Asia/Jakarta"), # UTC+07:00
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("Novosibirsk", "Asia/Novosibirsk"), # UTC+07:00
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("Krasnoyarsk", "Asia/Krasnoyarsk"), # UTC+07:00
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("Beijing", "Asia/Shanghai"), # UTC+08:00
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("Singapore", "Asia/Singapore"), # UTC+08:00
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("Perth", "Australia/Perth"), # UTC+08:00
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("Hong Kong", "Asia/Hong_Kong"), # UTC+08:00
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("Ulaanbaatar", "Asia/Ulaanbaatar"), # UTC+08:00
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("Palau", "Pacific/Palau"), # UTC+08:00
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("Eucla", "Australia/Eucla"), # UTC+08:45
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("Tokyo", "Asia/Tokyo"), # UTC+09:00
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("Seoul", "Asia/Seoul"), # UTC+09:00
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("Yakutsk", "Asia/Yakutsk"), # UTC+09:00
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("Adelaide", "Australia/Adelaide"), # UTC+09:30 (DST: UTC+10:30)
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("Darwin", "Australia/Darwin"), # UTC+09:30
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("Sydney", "Australia/Sydney"), # UTC+10:00 (DST: UTC+11:00)
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("Brisbane", "Australia/Brisbane"), # UTC+10:00
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("Guam", "Pacific/Guam"), # UTC+10:00
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("Vladivostok", "Asia/Vladivostok"), # UTC+10:00
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("Tahiti", "Pacific/Tahiti"), # UTC+10:00
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("Lord Howe Island", "Australia/Lord_Howe"), # UTC+10:30 (DST: UTC+11:00)
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("Solomon Islands", "Pacific/Guadalcanal"), # UTC+11:00
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("Magadan", "Asia/Magadan"), # UTC+11:00
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("Norfolk Island", "Pacific/Norfolk"), # UTC+11:00
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("Bougainville Island", "Pacific/Bougainville"), # UTC+11:00
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("Chokurdakh", "Asia/Srednekolymsk"), # UTC+11:00
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("Auckland", "Pacific/Auckland"), # UTC+12:00 (DST: UTC+13:00)
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("Wellington", "Pacific/Auckland"), # UTC+12:00 (DST: UTC+13:00)
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("Fiji Islands", "Pacific/Fiji"), # UTC+12:00 (DST: UTC+13:00)
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("Anadyr", "Asia/Anadyr"), # UTC+12:00
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("Chatham Islands", "Pacific/Chatham"), # UTC+12:45 (DST: UTC+13:45)
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("Nuku'alofa", "Pacific/Tongatapu"), # UTC+13:00
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("Samoa", "Pacific/Apia"), # UTC+13:00 (DST: UTC+14:00)
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("Kiritimati Island", "Pacific/Kiritimati"), # UTC+14:00
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]
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timezone_list = []
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now = datetime.now()
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# Process timezone mapping
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for friendly_name, tz_identifier in timezone_locations:
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try:
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tz = pytz.timezone(tz_identifier)
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current_offset = now.astimezone(tz).strftime("%z")
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# converting and formatting UTC offset to GMT offset
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current_utc_offset = now.astimezone(tz).utcoffset()
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total_seconds = int(current_utc_offset.total_seconds())
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hours_offset = total_seconds // 3600
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minutes_offset = abs(total_seconds % 3600) // 60
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offset = (
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f"{'+' if hours_offset >= 0 else '-'}"
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f"{abs(hours_offset):02}:{minutes_offset:02}"
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)
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timezone_value = {
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"offset": int(current_offset),
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"utc_offset": f"UTC{offset}",
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"gmt_offset": f"GMT{offset}",
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"value": tz_identifier,
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"label": f"{friendly_name}",
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}
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timezone_list.append(timezone_value)
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except pytz.exceptions.UnknownTimeZoneError:
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continue
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# Sort by offset and then by label
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timezone_list.sort(key=lambda x: (x["offset"], x["label"]))
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# Remove offset from final output
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for tz in timezone_list:
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del tz["offset"]
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return Response({"timezones": timezone_list}, status=status.HTTP_200_OK)
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