Module:ItemGroupAsCategory

Module documentation[View] [edit] [history] [Purge]

Usage

{{ItemGroupAsCategory}} or {{#invoke:ItemGroupAsCategory|main}}

Tests

ItemGroupAsCategory/testcases

Y All tests passed.

	Name	Expected	Actual
Y	tests

ItemGroupAsCategory/sandbox/testcases

N 1 test failed.

	Name	Expected	Actual
N	tests	[[Category:References|3dmr]]	[[Category:references|3dmr]]

The above documentation is transcluded from Module:ItemGroupAsCategory/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (edit | run) pages.
Add categories to the /doc subpage. Subpages of this module.

require("strict")

local languages = require("Module:Languages")
local wb = require("Module:Wb")

local p = {}

--[[
Debug:
=p.gen()
=p.gen("Q23326")
=p.gen(mw.wikibase.getEntity("Q23326"))
]]
function p.gen(entity)
	if not entity then
		entity = wb.get_item()
	elseif type(entity) == "string" then
		entity = mw.wikibase.getEntity(entity)
	elseif type(entity) == "table" then
		-- already an entity
	else
		return "[[Category:ItemGroupAsCategory error]]"
	end

	if not entity then
		return "[[Category:ItemGroupAsCategory data item missing]]"
	end

	local groups = entity:getAllStatements("group")
	if #groups == 0 then
		return "[[Category:ItemGroupAsCategory groups missing]]"
	end

	local title = mw.title.getCurrentTitle()
	local lang =languages.languageFromTitle(title)
	local ns = languages.pseudoNamespaceFromTitle(title)
	if not ns and lang ~= "en" then
		ns = string.upper(lang)
	end

	local tag = entity:getLabel()

	local categories = {}
	for i, statement in ipairs(groups) do
		local qid = statement.mainsnak.datavalue.value.id

		local label = mw.wikibase.getLabelByLang(qid, lang)
		if ns and label then
			label = ns .. ":" .. languages.translationPageName("en",  mw.title.new(label))
		end

		if not label then
			label = mw.wikibase.getLabel(qid)
		end
		if not label then
			label = "ItemGroupAsCategory group label missing"
		end

		categories[i] = "[[Category:" .. label .. "|" .. tag .. "]]"
	end

	return table.concat(categories, "\n")
end

function p.main(frame)
	return p.gen()
end

return p