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Fix email header date (zone offset)

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This commit is contained in:
Alfredo Cardigliano 2024-01-29 09:42:40 +01:00
parent bc2f2a3577
commit 5b0af53702
2 changed files with 36 additions and 2 deletions
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35
scripts/lua/modules/format_utils.lua
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@ -255,6 +255,41 @@ function format_utils.formatEpochISO8601(epoch)
return os.date("!%Y-%m-%dT%TZ", epoch)
end
-- format an epoch according to RFC 2822 format (email)
-- E.g. "Tue, 3 Apr 2018 14:58:00 +0100"
function format_utils.formatEpochRFC2822(epoch)
if epoch == nil then
epoch = os.time()
end
-- Compute local time diff
local now_ts = os.time()
local d1 = os.date("*t", now_ts)
local d2 = os.date("!*t", now_ts)
d1.isdst = false
local diff = -os.difftime(os.time(d1), os.time(d2))
-- Format zone offset E.g. "+0100"
local sign
local hours
local minutes
if diff > 0 then
sign = '-'
hours = diff / (60*60)
minutes = diff % (60*60)
else
sign = '+'
hours = -diff / (60*60)
minutes = -diff % (60*60)
end
-- Format date
local d = os.date("%a, %d %b %Y %X", epoch) -- E.g. "Tue, 3 Apr 2018 14:58:00"
-- Format final date with zone offset
return string.format("%s %s%02d%02d", d, sign, hours, minutes) -- E.g. "Tue, 3 Apr 2018 14:58:00 +0100"
end
-- format an epoch
function format_utils.formatEpoch(epoch, full_time)
if epoch == nil then