Mô đun:Portal maintenance status

local p = {}function cleanupArgs(argsTable)	local cleanArgs = {}	for key, val in pairs(argsTable) do		if type(val) == 'string' then			val = val:match('^%s*(.-)%s*$')			if val ~= '' then				cleanArgs[key] = val			end		else			cleanArgs[key] = val		end	end	return cleanArgsendlocal content = {}function makeTemplatePattern(template)	local first = string.sub(template, 1, 1)	local rest = string.sub(template, 2)	local pattern = mw.ustring.format('%s[%s%s]%s%s', '%{%{%s*', mw.ustring.upper(first), mw.ustring.lower(first), rest, '%s*|?[^%}]*%}%}')	return patternendfunction makeParameterPattern(parameter)	return mw.ustring.format('%s%s%s%s', '|%s*', parameter, '%s*=%s*', '([^|%}]*)', '%s*[|%}]')endfunction getMatchingTemplateWikitext(content, template, leadOnly)	if leadOnly then		content = mw.ustring.gsub(content, "%c%s*==.*","") -- remove first ==Heading== and everything after it	end	for templateWikitext in mw.ustring.gmatch(content, '%b{}') do		local isCorrectTemplate = mw.ustring.match(templateWikitext, makeTemplatePattern(template))		if isCorrectTemplate then			return templateWikitext		end	end	return falseendfunction getSubjectPageContent(contentNamespaceNumber)	local namespace = mw.site.namespaces[contentNamespaceNumber] ["name"]	local talkTitle = mw.title.getCurrentTitle()	if talkTitle.namespace ~= contentNamespaceNumber + 1 then		return error('Không gian tên sai', 0)	end	local subjectTitle = mw.title.new(namespace .. ":" .. talkTitle.text)	return subjectTitle:getContent()end-- historical function--   Looks for {{Historical}} on a Wikipedia_talk: page's related project page.--   Returns 'yes' if found or '' (empty string) if not found, or an error if used in the wrong namespace.p.historical = function(frame)	local parent = frame.getParent(frame)	local args = cleanupArgs(frame.args)	local demo = args.demo and true or false	local content	if demo then		local demoText = mw.ustring.gsub(args.demo, '%{%{%!%}%}', '|')		content = '{{' .. demoText .. '}}'		if args.demo2 then			local demo2Text = mw.ustring.gsub(args.demo2, '%{%{%!%}%}', '|')			content= portalContent  .. '{{' .. demo2Text .. '}}'		end	else		content = getSubjectPageContent(4)	end	content = mw.ustring.gsub(content, "<!%-%-.-%-%->","") -- remove HTML comments	content = mw.ustring.gsub(content, "%c%s*==.*","") -- remove first ==Heading== and everything after it	content = mw.ustring.gsub(content, "<noinclude>.-</noinclude>", "") -- remove noinclude bits	local isHistorical = mw.ustring.match(content, makeTemplatePattern('Historical')) and true or false	return isHistorical and 'yes' or ''end-- featured function--   Looks for {{Featured portal}} on a Portal_talk: page's related portal page.--   Returns 'yes' if found or '' (empty string) if not found, or an error if used in the wrong namespace.p.featured = function(frame)	local parent = frame.getParent(frame)	local args = cleanupArgs(frame.args)	local demo = args.demo and true or false	local content	if demo then		local demoText = mw.ustring.gsub(args.demo, '%{%{%!%}%}', '|')		content = '{{' .. demoText .. '}}'		if args.demo2 then			local demo2Text = mw.ustring.gsub(args.demo2, '%{%{%!%}%}', '|')			content= portalContent  .. '{{' .. demo2Text .. '}}'		end	else		content = getSubjectPageContent(100)	end	content = mw.ustring.gsub(content, "<!%-%-.-%-%->","") -- remove HTML comments	content = mw.ustring.gsub(content, "<noinclude>.-</noinclude>", "") -- remove noinclude bits	local isFeatured = mw.ustring.match(content, makeTemplatePattern('Featured portal')) and true or false	return isFeatured and 'yes' or ''end-- main function--   Looks for {{Portal maintenance status}} (or earlier deprecated templates) on a Portal_talk: page's related portal page.--   Returns an appropriate message string if found or '' (empty string) if not found, or an error if used in the wrong namespace.p.main = function(frame)	local parent = frame.getParent(frame)	local args = cleanupArgs(frame.args)	local demo = args.demo and true or false	local portalContent	if demo then		local demoText = mw.ustring.gsub(args.demo, '%{%{%!%}%}', '|')		portalContent = '{{' .. demoText .. '}}'		if args.demo2 then			local demo2Text = mw.ustring.gsub(args.demo2, '%{%{%!%}%}', '|')			portalContent = portalContent  .. '{{' .. demo2Text .. '}}'		end	else		portalContent = getSubjectPageContent(100)	end	local status = getMatchingTemplateWikitext(portalContent, 'Portal maintenance status') or getMatchingTemplateWikitext(portalContent, 'Portal flag')	if not status then		return ''	end	local output = mw.ustring.sub(status, 0, -3) .. '|embed=yes}}' 	return frame:preprocess(output)endreturn p