Modul:TwitterSnowflake: Unterschied zwischen den Versionen
(use %B %e, %Y by default) |
(copy from sandbox (all testcases match)) |
||
Zeile 13: | Zeile 13: | ||
local hiexp = 1 | local hiexp = 1 | ||
for c in id_str:gmatch(".") do | for c in id_str:gmatch(".") do | ||
lo = lo * 10 + | lo = lo * 10 + c | ||
if lo >= 2^32 then | if lo >= 2^32 then | ||
hi, lo = hi * 10^hiexp + math.floor(lo / 2^32), lo % 2^32 | hi, lo = hi * 10^hiexp + math.floor(lo / 2^32), lo % 2^32 | ||
Zeile 26: | Zeile 26: | ||
function p.getDate(frame) | function p.getDate(frame) | ||
-- just pass frame directly to snowflakeToDate, this wraps it but the args are the same plus | -- just pass frame directly to snowflakeToDate, this wraps it but the args are the same plus | ||
if (frame.args.id_str):match("%D") then -- not a number, so return -2 | |||
return -2 | |||
end | |||
frame.args.format = "%B %e, %Y" | frame.args.format = "%B %e, %Y" | ||
frame.args.epoch = tonumber(frame.args.epoch) or 1288834974 | frame.args.epoch = tonumber(frame.args.epoch) or 1288834974 | ||
Zeile 33: | Zeile 36: | ||
return -1 | return -1 | ||
end | end | ||
local date = Date(frame.args.date) or error("cite tweet: invalid date", 0) | |||
return date - twitterdate | |||
end | end | ||
return p | return p |
Version vom 18. Januar 2021, 17:52 Uhr
Die Dokumentation für dieses Modul kann unter Modul:TwitterSnowflake/doc erstellt werden
local p = {} local Date = require('Module:Date')._Date function p.snowflakeToDate(frame) local format = frame.args.format or "%B %e, %Y" 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 + 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 function p.getDate(frame) -- just pass frame directly to snowflakeToDate, this wraps it but the args are the same plus if (frame.args.id_str):match("%D") then -- not a number, so return -2 return -2 end 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 local date = Date(frame.args.date) or error("cite tweet: invalid date", 0) return date - twitterdate end return p