Modul:Taxonbar

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require('Modul:No globals')

local conf = require( "Modul:Taxonbar/conf" )

local function getIdsFromWikidata( item, property )
	local ids = {}
	if not item.claims[property] then
		return ids
	end
	for _, statement in pairs( item.claims[property] ) do
		if statement.mainsnak.datavalue then
			table.insert( ids, statement.mainsnak.datavalue.value )
		end
	end
	return ids
end

local function getLink( property, val )
	local link = ""
	if mw.ustring.find( val, '//' ) then
		link = val
	else
		if type(property) == 'number' then
			local entityObject = mw.wikibase.getEntityObject('P'..property)
			local dataType = entityObject.datatype
			if dataType == "external-id" then
				local formatterURL = entityObject:getBestStatements('P1630')[1]
				if formatterURL then link = formatterURL.mainsnak.datavalue.value end
			elseif dataType == "url" then
				local subjectItem = entityObject:getBestStatements('P1629')[1]
				if subjectItem then
					local officialWebsite = mw.wikibase.getEntityObject(subjectItem.mainsnak.datavalue.value.id):getBestStatements('P856')[1]
					if officialWebsite then	link = officialWebsite.mainsnak.datavalue.value end
				end
			elseif dataType == "string" then
				local formatterURL = entityObject:getBestStatements('P1630')[1]
				if formatterURL then
					link = formatterURL.mainsnak.datavalue.value
				else
					local subjectItem = entityObject:getBestStatements('P1629')[1]
					if subjectItem then
						local officialWebsite = mw.wikibase.getEntityObject(subjectItem.mainsnak.datavalue.value.id):getBestStatements('P856')[1]
						if officialWebsite then	link = officialWebsite.mainsnak.datavalue.value end
					end
				end
			end
		elseif type(property) == 'string' then
			link = property
		end
		link = mw.ustring.gsub(link, '$1', val)
	end
	link = mw.ustring.gsub(link, '^[Hh][Tt][Tt][Pp]([Ss]?)://', 'http%1://') -- fix wikidata URL
	val = mw.ustring.match(val, '([^=/]*)/?$') -- get display name from end of URL
	if mw.ustring.find( link, '//' ) then
		return '['..link..' '..val..']'
	elseif link == "" then
		return val
	else
		return '<span class="external">[['..link..'|'..val..']]</span>'
	end
end

local function createRow( id, label, rawValue, link, withUid )
	if link then
		local outStr = '*<span style="white-space:nowrap;">' .. label .. ' <span'
		if withUid then outStr = outStr..' class="uid"' end
		return outStr..'>' .. link .. '</span></span>\n'
	else
		return '* <span class="error">The identifier ' .. id .. ' ' .. rawValue .. ' is not valid.</span>\n'
	end
end

local function copyTable(inTable)
	if type(inTable) ~= 'table' then return inTable end
	local outTable = setmetatable({}, getmetatable(inTable))
	for key, value in pairs (inTable) do outTable[copyTable(key)] = copyTable(value) end
	return outTable
end

local p = {}

function p.authorityControlTaxon( frame )
	local parentArgs = copyTable(frame:getParent().args)
	local stringArgs = false
	local fromForCount, firstRow, rowCount = 1, 0, 0
	--Cleanup args
	for k, v in pairs( frame:getParent().args ) do
		if type(k) == 'string' then
			--make args case insensitive
			local lowerk = mw.ustring.lower(k)
			if not parentArgs[lowerk] or parentArgs[lowerk] == '' then
				parentArgs[lowerk] = v
				parentArgs[k] = nil
			end
			--remap abc to abc1
			if not mw.ustring.find(lowerk,"%d$") then --if no number at end of param
				if not parentArgs[lowerk..'1'] or parentArgs[lowerk..'1'] == '' then
					parentArgs[lowerk..'1'] = v
					parentArgs[lowerk] = nil
				end
			end
			if v and v ~= '' then
				--find highest from param
				if mw.ustring.sub(lowerk,1,4) == "from" then
					local fromNumber = tonumber(mw.ustring.sub(lowerk,5,-1))
					if fromNumber and fromNumber >= fromForCount then fromForCount = fromNumber end
				elseif mw.ustring.sub(lowerk,1,3) == "for" then
					local forNumber = tonumber(mw.ustring.sub(lowerk,4,-1))
					if forNumber and forNumber >= fromForCount then fromForCount = forNumber end
				elseif mw.ustring.lower(v) ~= 'no' and lowerk ~= 'for' then
					stringArgs = true
				end
			end
		end
	end

	--Setup navbox
	local navboxParams = {
		name  = 'Taxonbar',
		bodyclass = 'hlist',
		listclass = '',
		groupstyle = 'text-align: left;',
	}

	for f = 1,fromForCount,1
	do
		local elements, title = {}, {}
		--cleanup parameters
		if parentArgs['from'..f] == '' then parentArgs['from'..f] = nil end
		if parentArgs['for'..f] == '' then parentArgs['for'..f] = nil end
		--remap aliases
		for _, a in pairs( conf.aliases ) do
			local alias, name = mw.ustring.lower(a[1]), mw.ustring.lower(a[2])
			if parentArgs[alias..f] and not parentArgs[name..f] then
				parentArgs[name..f] = parentArgs[alias..f]
				parentArgs[alias..f] = nil
			end
		end
		--Fetch Wikidata item
		local item = mw.wikibase.getEntity(parentArgs['from'..f])
		local label = item and item:getLabel()
		if label and label ~= '' then
			title = mw.title.new(label)
			if not title then title = mw.title.getCurrentTitle() end
		else
			title = mw.title.getCurrentTitle()
		end
		
		if (not parentArgs['wikidata'..f] or parentArgs['wikidata'..f] == '') and (title.namespace == 0) then
			if parentArgs['from'..f] then parentArgs['wikidata'..f] = parentArgs['from'..f] elseif item then parentArgs['wikidata'..f] = item.id end
		end
		if title.namespace == 0 or stringArgs then --Only in the main namespace or if there are manual overrides
			local sourcesFound = false
			for _, params in pairs( conf.databases ) do
				params[1] = mw.ustring.lower(params[1])
				--Wikidata fallback if requested
				if (item ~= nil and item.claims ~= nil) and params[3] ~= 0 and (not parentArgs[params[1]..f] or parentArgs[params[1]..f] == '') then
					local wikidataIds = getIdsFromWikidata( item, 'P' .. params[3] )
					if wikidataIds[1] then
						parentArgs[params[1]..f] = wikidataIds[1]
					end
				end
				local val = parentArgs[params[1]..f]
				if val and val ~= '' and mw.ustring.lower(val) ~= 'no' and params[3] ~= 0 then
					table.insert( elements, createRow( params[1], params[2] .. ':', val, getLink( params[3], val ), true ) )
					if params[1] ~= 'wikidata' then sourcesFound = true end
				end
			end
			
			--Generate navbox title
			
			if sourcesFound then
				rowCount = rowCount + 1
				if firstRow == 0 then firstRow = f end
				if parentArgs['for'..f] and parentArgs['for'..f] ~= '' then
					navboxParams['group'..f] = "''" .. parentArgs['for'..f] .. "''"
				else
					navboxParams['group'..f] = ""
				end
				navboxParams['list'..f] = table.concat( elements )
			end
		end
	end
	
	if rowCount > 0 then
		local Navbox = require('Module:Navbox')
		if rowCount > 1 then
			navboxParams['title'] = "[[:wikidata:Wikidata:WikiProject Taxonomy|Pengidentifikasi takson]]"
			--add missing names
			for f = 1,fromForCount,1
			do
				if navboxParams['group'..f] == "" then
					navboxParams['group'..f] = "''" .. mw.wikibase.getEntity(parentArgs['wikidata'..f]):getLabel().."''"
				end
			end
			if rowCount > 2 then
				navboxParams['navbar'] = 'plain'
			else
				navboxParams['state'] = 'off'
				navboxParams['navbar'] = 'off'
			end
		else
			navboxParams['group'..firstRow] = '[[:wikidata:Wikidata:WikiProject Taxonomy|Pengidentifikasi takson]]<br />' .. navboxParams['group'..firstRow]
		end
		return Navbox._navbox(navboxParams)
	else
		return ""
	end
end

return p