bb-plane-fork/apiserver/plane/app/views/timezone/base.py

187 lines
9.8 KiB
Python

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