Module:Authority control: Difference between revisions

Latest revision as of 12:42, 2 September 2024

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This Lua module is used on approximately 1,990,000 pages, or roughly 8365% of all pages.
To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing.

This module depends on the following other modules:

This module contains the code of the {{Authority control}} template. See its documentation.

Parameters, Wikidata properties, and tracking categories

Script error: The function "docConfTable" does not exist.

Additional tracking categories

This module also implements the following hidden tracking categories:

Category:Pages with red-linked authority control categories (1) – error category to identify missing categories
Category:Articles with deprecated authority control identifiers (0) – fix/migrate/remove deprecated IDs
Category:Articles with suppressed authority control identifiers (0) – tracking only (no error)
Category:Articles with multiple identifiers (0) – tracking only (no error)
Category:Pages using authority control with parameters (0) – migrate IDs to Wikidata, if possible (no error)
Category:Pages using authority control with parameters different on Wikidata (0) – determine/remove incorrect IDs & migrate to Wikidata
Category:Pages using authority control with parameters all matching Wikidata (0) – template parameters may safely be removed

Number of identifiers

State parameter

-- require('strict')
local p = {}
local frame = mw.getCurrentFrame()
local config_file = frame.args.config and frame.args.config~='' and ('/' .. frame.args.config) or ''
local config = mw.loadData('Module:Authority control/config' .. config_file)
local title = mw.title.getCurrentTitle()
local namespace = title.namespace
local testcases = title.subpageText == config.i18n.testcases

local wikilink = function(target, label)
	return label and '[[' .. target .. '|' .. label .. ']]' or '[[' .. target .. ']]'
end

local needsAttention = function(sortkey)
	return wikilink(config.i18n.category .. ':' .. config.i18n.attentioncat, sortkey .. title.text)
end

local addCat = function(cat, sortkey)
	if cat and cat~='' and (namespace==0 or namespace==14 or testcases) then
		local redlinkcat = ''
		if testcases==false then
			local success, exists = pcall(function() return mw.title.new(cat, 14).exists end)
			if success and not exists then 
				redlinkcat = needsAttention('N')
			end
		end
		return wikilink(config.i18n.category..':'..cat, sortkey and sortkey..title.text) .. redlinkcat
	else
		return ''
	end
end

local tooltip = function(text, label)
	if label and label~='' then
		return frame:expandTemplate{
			title = 'Tooltip',
			args = {text, label}
		}
	else
		return text
	end
end

local getstatement = function(id, propid)
	local statement = mw.wikibase.getBestStatements('P' .. id, 'P' .. propid)
	local value
	if statement and statement[1] and statement[1].mainsnak.datavalue.value.id then
		value = statement[1].mainsnak.datavalue.value.id
		return value
	end
end
p.getname = function(property) -- function to lookup the name of a property and provide a link if one exists
	local item
	for _, propnameqid in ipairs(config.property_items) do
		item = getstatement(property, propnameqid)
		if item then break end
	end
	if item then
		local link = frame:expandTemplate{
			title = 'Wikidata fallback link',
			args = {item}
		}
		local raw = mw.wikibase.getLabel(item)
		return link, raw
	else
		return ''
	end
end

local _makelink = function(id, val, n, qid) --validate values and create a link
	local link = mw.html.create('span'):addClass('uid')
	if n==1 and id.prefix then --show prefix on primary value
		link:wikitext(id.prefix .. ': ')
	end
	local valid_value = false
	if id.customlink then -- use function to validate and generate link
		local label = n>1 and n
		local newlink = require(config.auxiliary)[id.customlink](val.id, label)
		if newlink then
			link:wikitext(newlink)
			valid_value = true
		end
	else
		if id.pattern then -- check pattern to determine validity
			valid_value = string.match(val.id, '^' .. id.pattern .. '$')
		elseif id.patterns then -- check multiple patterns to determine validity
			for _, pattern in ipairs(id.patterns) do
				valid_value = val.id:match('^' .. pattern .. '$')
				if valid_value then break end
			end
		elseif id.valid then -- use function to determine validity
			valid_value = require(config.auxiliary)[id.valid](val.id)
		else -- no validation possible
			valid_value = val.id
		end
		if valid_value then
			local label = id.label
			if not label or n>1 then
				label = tostring(n)
			end
			local newlink
			if id.link then
				valid_value = valid_value:gsub('%%', '%%%%')
				newlink = '[' .. mw.ustring.gsub(id.link, '%$1', valid_value) .. ' ' .. label .. ']'
			else
				newlink = valid_value
			end
			link:wikitext(tooltip(newlink, val.name))
		end
	end
	if valid_value then
		local cat =  id.category and string.format(config.i18n.cat, id.category)
		link:wikitext(addCat(cat))
	else
		local wdlink = qid and wikilink(':wikidata:' .. qid .. '#P' .. id.property) or ''
		local _, name = p.getname(id.property)
		local tooltip = string.format(
			config.i18n.idnotvalid,
			name,
			val.id
		)
		local cat = id.category and string.format(
			config.i18n.cat,
			config.i18n.faulty .. ' ' .. id.category
		)
		link:wikitext(wikilink('File:' .. config.i18n.warningicon .. '|20px|frameless|link=' .. wdlink, tooltip .. '.'))
			:wikitext(addCat(cat))
			:wikitext(addCat(config.i18n.allfaultycat, name))
	end
	return link
end

local _makelinks = function(id, qid)
	local getquals = function(statement, qualid)
		if statement.qualifiers and statement.qualifiers['P'..qualid] then
			return mw.wikibase.renderSnak(statement.qualifiers['P'..qualid][1])
		end
	end
	local ids = {}
	if qid then
		for _, statement in ipairs(mw.wikibase.getBestStatements(qid, 'P'..id.property)) do
			if statement.mainsnak.datavalue then
				local val = statement.mainsnak.datavalue.value
				if val then
					local namedas = getquals(statement, 1810) or getquals(statement, 742) or ''
					table.insert(ids, {id=val, name=namedas})
	end end end end
	local links
	if ids[1] then
		links = mw.html.create('li'):node(_makelink(id, ids[1], 1, qid))
		if ids[2] then
			local sublinks = mw.html.create('ul')
			for n = 2, #ids do
				sublinks:tag('li'):node(_makelink(id, ids[n], n, qid)):done()
			end
			links:node(sublinks)
		end
	end
	return links
end

--[[==================================]]
--[[               Main               ]]
--[[==================================]]
p.authorityControl = function(frame)
	local resolveQID = function(qid)
		if qid then
			qid = 'Q' .. mw.ustring.gsub(qid, '^[Qq]', '')
			if mw.wikibase.isValidEntityId(qid) and mw.wikibase.entityExists(qid) then
				local sitelink = mw.wikibase.getSitelink(qid)
				if sitelink then
					return mw.wikibase.getEntityIdForTitle(sitelink) or mw.wikibase.getEntity(qid).id
				end
				return mw.wikibase.getEntity(qid).id
	end end end
	local conf = config.config
	local parentArgs = frame:getParent().args
	local auxCats = ''
	local rct = false -- boolean to track if there are any links to be returned
	local qid, topic
	if namespace==0 then
		qid = mw.wikibase.getEntityIdForCurrentPage()
	end
	if qid then -- article is connected to a Wikidata item
		if parentArgs.qid and (resolveQID(parentArgs.qid) ~= qid) then -- non-matching qid parameter
			auxCats = auxCats .. needsAttention('D')
		end
	else -- page is not connected to any Wikidata item
		qid = resolveQID(parentArgs.qid) -- check qid parameter if no wikidata item is connected
		if qid then -- qid parameter is valid, set topic to display
			topic = mw.wikibase.getLabel(qid)
			if topic then
				if mw.ustring.lower(title.subpageText)==mw.ustring.lower(topic) then -- suppress topic display if subpagename equals topic up to case change
					topic = nil
				end
				if topic and mw.wikibase.getSitelink(qid) then -- make wikilink to article
					topic = wikilink(mw.wikibase.getSitelink(qid), topic)
				end
			else
				auxCats = auxCats .. needsAttention('L')
			end
		elseif parentArgs.qid and parentArgs.qid~='' then -- invalid qid has been supplied, add to tracking cat
			auxCats = auxCats .. needsAttention('Q')
		end
	end
	local qids = {} -- setup any additional QIDs
	if parentArgs.additional=='auto' and qid then  -- check P527 for parts to add additional qids
		local checkparts = function(property)
			local parts = mw.wikibase.getBestStatements(qid, property)
			if parts then
				for _, part in ipairs(parts) do
					if part.mainsnak.datavalue and part.mainsnak.datavalue.value.id then
						local resolvedqid = resolveQID(part.mainsnak.datavalue.value.id)
						if resolvedqid then
							table.insert(qids,resolvedqid)
		end end end end end
		for _, part in ipairs(config.auto_additional) do
			checkparts('P' .. part)
		end
	elseif parentArgs.additional and parentArgs.additional~='' then
		for _, v in ipairs(mw.text.split(parentArgs.additional, '%s*,%s*')) do
			v = resolveQID(v)
			if v then
				if v==qid then -- duplicate of qid parameter
					auxCats = auxCats .. needsAttention('R')
				end
				table.insert(qids, v)
			else -- invalid QID specified
				auxCats = auxCats .. needsAttention('A')
			end
		end
	end

	local numsections = 0
	for _, _ in ipairs(config.sections) do -- count number of regular sections
		numsections = numsections + 1
	end
	local sections = {}
	for _ = 1, #qids+numsections do
		table.insert(sections, {})
	end

	-- check which identifiers to show/suppress in template
	local show, show_all_unsuppressed = {}, true
	local stripP = function(pid) --strip P from property number
		if pid:match('^[Pp]%d+$') then
			pid = mw.ustring.gsub(pid, '[Pp]', '')
		end
		if pid:match('^%d+$') then
			return tonumber(pid)
		end
	end
	local addshowlist = function(list)
		if list and list~='' then
			for _, v in ipairs(mw.text.split(string.lower(list), '%s*,%s*')) do
				local vprop = stripP(v)
				if vprop then -- e.g. show=P214 to show one particular property
					show[vprop] = true
				else -- e.g. show=arts to use whitelist
					if config.whitelists[v] then
						for _, w in ipairs(config.whitelists[v].properties) do
							show[w] = true
			end end end end
			show_all_unsuppressed = false
	end end
	addshowlist(frame.args.show) -- check show= parameter on wrapper template
	addshowlist(parentArgs.show) -- check show parameter on article
	addshowlist(parentArgs.country) -- check country parameter on article
	if parentArgs.suppress then
		local suppresslist = mw.text.split(parentArgs.suppress, '%s*,%s*') -- split parameter by comma
		for _, v in ipairs(suppresslist) do
			v = stripP(v)
			if v then
				show[v] = false
				auxCats = auxCats .. wikilink(config.i18n.category .. ':' .. config.i18n.suppressedcat)
			else
				auxCats = auxCats .. needsAttention('P')
			end
		end
	end
	
	local makeSections = function(qid, addit)
		for _, id in ipairs(conf) do
			if id.suppressedbyproperty then
				for _, property in ipairs(id.suppressedbyproperty) do
					if show[property]=='used' then -- property is in use
						show[id.property] = false -- suppressed by another property
					end
				end
			end
			if show[id.property]==nil then
				show[id.property] = show_all_unsuppressed
			end
			if show[id.property] then
				local links = _makelinks(id, qid)
				if links then
					table.insert(
						sections[addit or id.section],
						links
					)
					show[id.property] = 'used'
					rct = true
	end end end end
	local pencil = function(qid)
		if qid then
			return require('Module:EditAtWikidata')._showMessage{
				pid = 'identifiers',
				qid = qid
			}
		else
			return ''
		end
	end

	makeSections(qid, false)
	for c = 1, #qids do
		makeSections(qids[c], numsections+c)
	end

	--configure Navbox
	local outString = ''
	if rct then -- there is at least one link to display
		local Navbox = require('Module:Navbox')
		local sect, lastsect = 0, 0
		local navboxArgs = {
			name  = 'Authority control',
			navboxclass = 'authority-control',
			bodyclass = 'hlist',
			state = parentArgs.state or config.i18n.autocollapse,
			navbar = 'off'
		}
		for c = 1, numsections+#qids do
			if #sections[c]>0 then -- section is non-empty
				sect = sect + 1
				lastsect = c
				local sectname
				if c<=numsections then -- regular section
					sectname = config.sections[c].name
				else -- section from additional qid
					local qid = qids[c-numsections]
					local label, sitelink = mw.wikibase.getLabel(qid), mw.wikibase.getSitelink(qid)
					if label then
						if sitelink then
							local target = mw.title.new(sitelink)
							if target==title or (target.isRedirect and target.redirectTarget==title) then -- do not link
								sectname = label
							else -- make wikilink to article
								sectname = wikilink(sitelink, label)
							end
						else
							sectname = label
						end
					else
						auxCats = auxCats .. needsAttention('L')
						sectname = qid
					end
					sectname = sectname .. pencil(qid)
				end
				navboxArgs['group' .. c] = sectname
				local list = mw.html.create('ul')
				for _, link in ipairs(sections[c]) do
					list:node(link)
				end
				navboxArgs['list' .. c] = tostring(list)
			end
		end
		if topic then -- display in expanded form with topic
			navboxArgs.title = config.i18n.aclink .. ' &ndash; ' .. topic .. pencil(qid)
		elseif sect==1 then -- special display when only one section
			if lastsect<=numsections then
				if config.sections[lastsect].hidelabelwhenalone then -- no special label when only general or other IDs are present
					navboxArgs['group' .. lastsect] = config.i18n.aclink .. pencil(qid)
				else -- other regular section
					navboxArgs['group' .. lastsect] = config.i18n.aclink .. ': ' .. navboxArgs['group' .. lastsect] .. pencil(qid)
				end
			else -- section from additional qid
				navboxArgs['group' .. lastsect] = config.i18n.aclink .. ': ' .. navboxArgs['group' .. lastsect]
			end
		else -- add title to navbox
			navboxArgs.title = config.i18n.aclink .. pencil(qid)
		end
		outString = Navbox._navbox(navboxArgs)
	end

	if parentArgs.state
		and parentArgs.state~=''
		and parentArgs.state~=config.i18n.collapsed
		and parentArgs.state~=config.i18n.expanded
		and parentArgs.state~=config.i18n.autocollapse then --invalid state parameter
		auxCats = auxCats .. needsAttention('S')
	end
	if testcases then
		auxCats = mw.ustring.gsub(auxCats, '(%[%[)(' .. config.i18n.category .. ')', '%1:%2') --for easier checking
	end

	--out
	outString = outString .. auxCats
	if namespace~=0 then
		outString = mw.ustring.gsub(outString, '(%[%[)(' .. config.i18n.category .. ':' .. config.i18n.Articles .. ')([^%|%]]+)%|?[^%|%]]*(%]%])','%1:%2%3%4')
		outString = mw.ustring.gsub(outString, '(%[%[)(' .. config.i18n.category .. ':' .. config.i18n.All_articles .. ')([^%|%]]+)%|?[^%|%]]*(%]%])','%1:%2%3%4')
	end
	local check = require('Module:Check for unknown parameters')._check
	local sortkey
	if namespace==0 then
		sortkey = '*' .. title.text
	else
		sortkey = title.fullText
	end
	outString = outString .. check({
		['unknown'] = wikilink(config.i18n.category .. ':' .. config.i18n.pageswithparams, sortkey),
		['preview'] = config.i18n.previewwarning, 'show', 'country', 'suppress', 'additional', 'qid', 'state'
		}, parentArgs)
	return outString
end

p.makelink = function(id, qid)
	return _makelinks(id, qid)
end

return p

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