-- Implement {{NUMBEROF}} by extracting statistics from
-- https://commons.wikimedia.org/wiki/Data:Wikipedia_statistics/data.tab
local function trimArg(arg, i)
arg = mw.text.trim(arg or '')
if arg == '' then
if i then
error('Parameter ' .. i .. ' is missing. See [[Template:NUMBEROF]] documentation')
end
return nil
end
return mw.ustring.lower(arg)
end
local function getValue(stats, action, map)
if action == 'depth' then
-- https://meta.wikimedia.org/wiki/Wikipedia_article_depth
-- This gives silly results if, for example, the number of articles is small.
local n = { 'articles', 'edits', 'pages' }
if map then
for i, v in ipairs(n) do
n[i] = map[v]
end
end
for i, v in ipairs(n) do
n[i] = stats[v] or 0
end
local articles, edits, pages = n[1], n[2], n[3]
if pages == 0 or articles == 0 then
return 0
end
return math.floor((edits/pages) * ((pages - articles)/articles)^2)
end
if map then
action = map[action]
end
return stats[action]
end
local function getIfLocal(site, action)
-- If wanted site is the local site where module is running,
-- return numberof result for given action, or nil.
-- This is faster than reading the cached table, and gives the current value.
local localSite = string.match(mw.site.server, '.*//(.*)%.org$') -- examples: 'af.wikipedia', 'commons.wikimedia'
if site == localSite then
if action == 'activeusers' then
action = 'activeUsers'
end
return getValue(mw.site.stats, action)
end
end
local function main(frame)
local args = frame:getParent().args
local action = trimArg(args[1], 1) -- activeusers, admins, articles, edits, files, pages, users, depth
if action:sub(1, 8) == 'numberof' then -- numberofX is an alias for X
action = trimArg(action:sub(9), 1)
end
local site = trimArg(args[2], 2) -- "af" or "af.wikipedia" or "af.wikiquote" etc., including "total"
if not site:find('.', 1, true) then
site = site .. '.wikipedia'
end
local wantComma = trimArg(args[3]) -- nil for no commas in output; "N" or anything nonblank inserts commas
local result = getIfLocal(site, action)
if not result then
local data = mw.loadData('Module:NUMBEROF/data')
local map = data.map
data = data.data
result = data[site]
if result then
result = getValue(result, action, map)
end
end
if result then
if wantComma then
result = mw.getContentLanguage():formatNum(result)
end
return result -- number or formatted string
end
return -1
end
return { main = main }