Modul:TwitterSnowflake: Unterschied zwischen den Versionen
K (Protected "Module:TwitterSnowflake": High-risk template or module (more info) ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))) |
(apply conventions: tab indents and remove unintended globals) |
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local p = {} | local p = {} | ||
local Date = require('Module:Date')._Date | local Date = require('Module:Date')._Date | ||
p.snowflakeToDate | function p.snowflakeToDate(frame) | ||
local format = frame.args.format or "!%c" | |||
local epoch = tonumber(frame.args.epoch) or 1288834974 | |||
local id_str = frame.args.id_str | |||
if type(id_str) ~= "string" then error("bad argument #1 (expected string, got " .. type(id_str) .. ")", 2) end | |||
if type(format) ~= "string" then error("bad argument #2 (expected string, got " .. type(format) .. ")", 2) end | |||
if type(epoch) ~= "number" then error("bad argument #3 (expected number, got " .. type(epoch) .. ")", 2) end | |||
local hi, lo = 0, 0 | |||
local hiexp = 1 | |||
for c in id_str:gmatch(".") do | |||
lo = lo * 10 + tostring(c) | |||
if lo >= 2^32 then | |||
hi, lo = hi * 10^hiexp + math.floor(lo / 2^32), lo % 2^32 | |||
hiexp = 1 | |||
else hiexp = hiexp + 1 end | |||
end | |||
hi = hi * 10^(hiexp-1) | |||
local timestamp = math.floor((hi * 1024 + math.floor(lo / 4194304)) / 1000) + epoch | |||
return os.date(format, timestamp) | |||
end | end | ||
p.getDate | function p.getDate(frame) | ||
-- just pass frame directly to snowflakeToDate, this wraps it but the args are the same plus | |||
frame.args.format = "%B %e, %Y" | |||
frame.args.epoch = tonumber(frame.args.epoch) or 1288834974 | |||
local epochdate = Date(os.date("%B %e, %Y", frame.args.epoch)) | |||
local twitterdate = Date(p.snowflakeToDate(frame)) | |||
if twitterdate == epochdate then -- created before epoch, so can't determine the date | |||
return -1 | |||
end | |||
return Date(frame.args.date) - twitterdate | |||
end | end | ||
return p | return p |