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Modul:TwitterSnowflake: Unterschied zwischen den Versionen
K
24 Versionen von wpen:Module:TwitterSnowflake importiert
(apply conventions: tab indents and remove unintended globals) |
K (24 Versionen von wpen:Module:TwitterSnowflake importiert) |
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| (12 dazwischenliegende Versionen von 5 Benutzern werden nicht angezeigt) | |||
| Zeile 4: | Zeile 4: | ||
function p.snowflakeToDate(frame) | function p.snowflakeToDate(frame) | ||
local format = frame.args.format or " | local format = frame.args.format or "%B %e, %Y" | ||
local epoch = tonumber(frame.args.epoch) or 1288834974 | local epoch = tonumber(frame.args.epoch) or 1288834974 | ||
local id_str = frame.args.id_str | local id_str = frame.args.id_str | ||
| Zeile 12: | Zeile 12: | ||
local hi, lo = 0, 0 | local hi, lo = 0, 0 | ||
local hiexp = 1 | local hiexp = 1 | ||
local two32 = 2^32 | |||
for c in id_str:gmatch(".") do | for c in id_str:gmatch(".") do | ||
lo = lo * 10 + | lo = lo * 10 + c | ||
if lo >= | if lo >= two32 then | ||
hi, lo = hi * 10^hiexp + math.floor(lo / | hi, lo = hi * 10^hiexp + math.floor(lo / two32), lo % two32 | ||
hiexp = 1 | hiexp = 1 | ||
else hiexp = hiexp + 1 end | else hiexp = hiexp + 1 end | ||
| Zeile 26: | Zeile 27: | ||
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" | ||
if frame.args.date then | |||
frame.args.date = mw.ustring.gsub(frame.args.date, "(%d%d%d%d)%a", "%1") | |||
end | |||
frame.args.epoch = tonumber(frame.args.epoch) or 1288834974 | frame.args.epoch = tonumber(frame.args.epoch) or 1288834974 | ||
local epochdate = Date(os.date("%B %e, %Y", frame.args.epoch)) | local epochdate = Date(os.date("%B %e, %Y", frame.args.epoch)) | ||
| Zeile 33: | Zeile 40: | ||
return -1 | return -1 | ||
end | end | ||
local date = Date(frame.args.date) or 0 -- if we error here, then an input of no date causes an error, which is contrary to the entire way {{TwitterSnowflake/datecheck}} works | |||
return date - twitterdate | |||
end | |||
local function abs_datediff(x) | |||
if type(x) == 'number' then return math.abs(x) end | |||
return math.abs(x.age_days) | |||
end | |||
function p.datecheck(frame) | |||
local args = frame.args | |||
if not (args.date and args.id_str) then | |||
error('Must define date and id_str, even if they are blank.') | |||
end | |||
local errors = { | |||
args.error1 or 'Date mismatch of two or more days', | |||
args.error2 or 'No date, and posted before November 4, 2010', | |||
args.error3 or 'Invalid id_str' | |||
} | |||
if mw.title.getCurrentTitle():inNamespace(0) and args.error_cat then | |||
for i = 1, 3 do errors[i] = errors[i] .. '[[' .. args.error_cat .. ']]' end | |||
end | |||
if not args.date:match('^%s*$') then -- #if:{{{date|}}} | |||
local testResult = p.getDate{ args = { date = args.date, id_str = args.id_str }} | |||
if testResult == -2 then return errors[3] end | |||
if abs_datediff(testResult) > 1 then return errors[1] end | |||
elseif not args.id_str:match('^%s*$') then | |||
local testResult = p.getDate{ args = { id_str = args.id_str }} | |||
if testResult == -1 then return errors[2] end | |||
if testResult == -2 then return errors[3] end | |||
end | |||
end | end | ||
return p | return p | ||