Module:Wiktionary logo statistics

Module documentation
This module keeps the table at Wiktionary/logo#Logo use statistics up to date based on the statistics at Wiktionary/Table, so we know the relative prominence of each of Wiktionary's logos.
-- For [[Wiktionary/logo#Logo use statistics]]
local p = {}
local projectStats = require("Module:Project statistics")
local dataByWiki = require("Module:Project portal/wikis")

-- A breakdown of wikis by logo usage.
p.knownLogos = {
	tiles = {
		desc = "Tile design by Smurrayinchester",
		file = "Wiktionary-logo.svg",
		wikis = {},
	},
	text = {
		desc = "Textual design by Brion Vibber",
		file = "Wiktionary-logo-en.svg",
		wikis = {},
	},
	book = {
		desc = "Book design by AAEngelman",
		file = "Wiktionary book logo.png",
		wikis = {},
	},
	galicia = {
		desc = "Galician coat of arms",
		file = "Wiktionary-logo-gl.png",
		wikis = {},
	},
}

-- Default logo for new wikis.
local defaultLogo = "tiles"

-- Date of the last comprehensive survey of logo usage.
local logoDate = "2015-07-22"

local lang = mw.getContentLanguage()

function p.getStatistics()
	local statistics = projectStats.getStatistics("wiktionary")
	local statsByWiki = statistics.wikis
	
	local totalWikis = 0
	local totalEntries = 0
	local totalActiveUsers = 0
	for wiki, stats in pairs(statsByWiki) do
		local data = dataByWiki[wiki] and dataByWiki[wiki].wiktionary
		local logo = p.knownLogos[(data and data.logo) or defaultLogo]
		table.insert(logo.wikis, wiki)
		logo.numEntries = (logo.numEntries or 0) + stats.articles
		logo.numActiveUsers = (logo.numActiveUsers or 0) + stats.activeUsers
		
		totalEntries = totalEntries + stats.articles
		totalActiveUsers = totalActiveUsers + stats.activeUsers
		totalWikis = totalWikis + 1
	end
	
	for name, logo in pairs(p.knownLogos) do
		table.sort(logo.wikis)
	end
	
	return table.concat(statistics.date, "-"), {
		wikis = totalWikis,
		entries = totalEntries,
		activeUsers = totalActiveUsers,
	}
end

function p.main(frame)
	local updatedDate, totals = p.getStatistics()
	local logos = {}
	for name, logo in pairs(p.knownLogos) do
		table.insert(logos, logo)
	end
	table.sort(logos, function (left, right)
		return #left.wikis > #right.wikis
	end)
	
	local items = {}
	for i, logo in ipairs(logos) do
		local wikis = {}
		for i, wiki in ipairs(logo.wikis) do
			table.insert(wikis, string.format("[[wikt:%s:|%s:]]", wiki, wiki))
		end
		wikis = table.concat(wikis, ", ")
		local item = mw.ustring.format("; [[:File:%s|%s]] — %s %s (%.2f%%), %s %s (%.2f%%), %s %s (%.2f%%)\n: %s",
			logo.file, logo.desc, lang:formatNum(#logo.wikis), lang:plural(#logo.wikis, "wiki", "wikis"),
			#logo.wikis / totals.wikis * 100, lang:formatNum(logo.numEntries),
			lang:plural(logo.numEntries, "entry", "entries"), logo.numEntries / totals.entries * 100,
			lang:formatNum(logo.numActiveUsers), lang:plural(logo.numActiveUsers, "active user", "active users"),
			logo.numActiveUsers / totals.activeUsers * 100, wikis)
		table.insert(items, item)
	end
	
	local statsTitle = projectStats.statsTitleForProject("wiktionary")
	return mw.ustring.format("[[Module:Wiktionary logo statistics|Logo usage]] data is current as of %s. Wiki statistics are based on [[%s]] (current as of %s).\n\n%s",
		logoDate, statsTitle.fullText, updatedDate,
		table.concat(items, "\n\n"))
end

return p