Modul:TwitterSnowflake: Unterschied zwischen den Versionen
(fix weird edge case with 574608900537761792 returning a date of April 11, 2011) |
(add function to determine if date matches) |
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Zeile 1: | Zeile 1: | ||
local p = {}; | local p = {}; | ||
local Date = require('Module:Date')._Date | |||
p.snowflakeToDate = function (frame) | p.snowflakeToDate = function (frame) | ||
Zeile 20: | Zeile 22: | ||
local timestamp = math.floor((hi * 1024 + math.floor(lo / 4194304)) / 1000) + epoch | local timestamp = math.floor((hi * 1024 + math.floor(lo / 4194304)) / 1000) + epoch | ||
return os.date(format, timestamp) | return os.date(format, timestamp) | ||
end | |||
p.getDate = function (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 | |||
epochdate = Date(os.date("%B %e, %Y", frame.args["epoch"])) | |||
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 |
Version vom 13. Januar 2021, 07:44 Uhr
Die Dokumentation für dieses Modul kann unter Modul:TwitterSnowflake/doc erstellt werden
local p = {}; local Date = require('Module:Date')._Date p.snowflakeToDate = function (frame) format = frame.args["format"] or "!%c" epoch = tonumber(frame.args["epoch"]) or 1288834974 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 p.getDate = function (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 epochdate = Date(os.date("%B %e, %Y", frame.args["epoch"])) 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 return p