iachat/app/helpers/timezone_helper.rb
Gabriel Jablonski 52a55827c3 chore: lint files (#2)
* chore: lint files

* chore: suppress warning

* chore: disable suggest extensions

* chore: do not stage changes in pre-commit

* chore: remove git add from FE lint and `-a` flag from rubocop on husky
2025-04-03 23:28:38 -03:00

20 lines
722 B
Ruby

module TimezoneHelper
# ActiveSupport TimeZone is not aware of the current time, so ActiveSupport::Timezone[offset]
# would return the timezone without considering day light savings. To get the correct timezone,
# this method uses zone.now.utc_offset for comparison as referenced in the issues below
#
# https://github.com/rails/rails/pull/22243
# https://github.com/rails/rails/issues/21501
# https://github.com/rails/rails/issues/7297
def timezone_name_from_offset(offset)
return 'UTC' if offset.blank?
offset_in_seconds = offset.to_f * 3600
matching_zone = ActiveSupport::TimeZone.all.find do |zone|
zone.now.utc_offset == offset_in_seconds
end
matching_zone&.name
end
end