Module:Editnotice load

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local p = {}
local getArgs = require('Module:Arguments').getArgs
local cfg = mw.loadData("Module:Editnotice load/config")
local pseudoNs = mw.title.new(cfg.pseudo_ns_name)
local enTypes = cfg.editnotice_types
local enNames = cfg.editnotice_names

local function getNoticeContent(frame, title, args)
	local success, result = pcall(frame.expandTemplate, frame, { title = title, args = args })
	if success then
		result = mw.text.trim(result)
		if result ~= '' and result ~= '-' then
			return result
		end
		return ''
	end
end

local function makeLink(builder, links, target, text, exists)
	if not exists then
		builder = links
		builder = builder
			:tag('li')
	else
		builder = builder:tag('span')
	end
	builder = builder
		:addClass('editnotice-link')
		:css('clear', 'both')
		:css('float', 'right')
		:css('margin', '0px 0.8em')
		:css('padding', 0)
		:css('line-height', '1em')
		:css('font-size', '90%')
	if not exists then
		builder = builder:addClass('editnotice-redlink')
	end
	builder:wikitext(string.format('[[%s|%s]] ', target, text))
end

local function displayEditnotice(builder, class, content)
	if content then
		return builder:tag('div')
			:addClass(class)
			:css('clear', 'both')
			:css('width', '100%')
			:wikitext(content)
	end
end

function getEditnoticeType(title)
	if title.baseText == title.rootText then
		return title.subpageText
	else
		return getEditnoticeType(title.basePageTitle)
	end
end

function getEditnoticeMainPage(currPage, editNoticeType)
	return mw.ustring.gsub(currPage.text, pseudoNs.text .. "/" .. editNoticeType .. "/", "")
end

p.getEditnoticeMainPage = getEditnoticeMainPage

function p.editnotice(frame)
	local args = getArgs(frame)
	local currPage = args['title'] and mw.title.new(args['title']) or mw.title.getCurrentTitle()
	if currPage.rootText == pseudoNs.text and currPage.nsText == pseudoNs.nsText then
		local editNoticeType = getEditnoticeType(currPage)
		if editNoticeType == pseudoNs.text then
			return pseudoNs.text
		elseif editNoticeType == enTypes["protection"] then
			return "protection"
		elseif editNoticeType == enTypes["protection_id"] then
			local title = pcall(function() 
				return mw.title.new(tonumber(getEditnoticeMainPage(currPage, editNoticeType))).text
			end) or nil
			return title ~= nil and "protection_id" or nil
		elseif editNoticeType == enTypes["title"] then
			return "title"
		elseif editNoticeType == enTypes["page"] then
			local title = pcall(function() 
				return mw.title.new(tonumber(getEditnoticeMainPage(currPage, editNoticeType))).text
			end) or nil
			return title ~= nil and "page" or nil
		elseif editNoticeType == enTypes["group"] then
			return "group"
		elseif editNoticeType == enTypes["category"] then
			return "category"
		else
			return nil
		end
	end
end

function p.main(frame)
	local args = getArgs(frame, {wrappers = 'Template:Editnotice load'})
	local noticeAction = args['notice action']
	local noticeArgs = {['notice action'] = noticeAction}
	local currentTitle = args['title'] and mw.title.new(args['title']) or mw.title.getCurrentTitle()
	local builder = mw.html.create('div')
		:attr('id', 'editnotice-area')
		:addClass('editnotice-area')
		:css('clear', 'both')
		:css('width', '100%')
	
	local links = builder:tag("div"):addClass('editnotice-links'):addClass(cfg.editnotice_classes):tag("ul")
		:attr("id", "editnotice-links")
		:css("display", "block")
		:addClass('mw-collapsible mw-collapsed')
		:attr("data-expandtext", cfg.show_editnotice_redlinks)
		:attr("data-collapsetext", cfg.hide_editnotice_redlinks)

	if noticeAction ~= 'view' then
		local namespace = currentTitle.nsText
		if namespace == '' then namespace = 'Main' end
		local nsNoticeName = pseudoNs.prefixedText .. "/" .. enTypes["namespace"] .. "/" .. currentTitle.rootPageTitle.prefixedText
		local nsNoticeContent = getNoticeContent(frame, nsNoticeName, noticeArgs)
		makeLink(builder, links, nsNoticeName, enNames["namespace"], nsNoticeContent)
		displayEditnotice(builder, 'editnotice-ns', nsNoticeContent)
	end

	if mw.site.namespaces[currentTitle.namespace].hasSubpages then
		local groupNoticeName = pseudoNs.prefixedText .. "/" .. enTypes["group"] .. "/" ..  currentTitle.rootPageTitle.prefixedText
		local groupNoticeContent = getNoticeContent(frame, groupNoticeName, noticeArgs)
		makeLink(builder, links, groupNoticeName, enNames["group"], groupNoticeContent)
		displayEditnotice(builder, 'editnotice-group', groupNoticeContent)
	end
	
	if user_editnotice ~= nil and ((currentTitle:hasSubjectNamespace(2) or currentTitle:hasSubjectNamespace(3)) and not currentTitle.isSubpage) then
		-- display user page notice
		local userPageNoticeName = currentTitle.prefixedText .. '/' .. cfg.user_editnotice
		local userPageNoticeContent = getNoticeContent(frame, userPageNoticeName, noticeArgs)
		makeLink(builder, links, userPageNoticeName, enNames["user"], userPageNoticeContent)
		displayEditnotice(builder, 'usernotice-page', userPageNoticeContent)
	end
	
	local titleNoticeName = pseudoNs.prefixedText .. "/" .. enTypes["title"] .. "/" ..  currentTitle.rootPageTitle.prefixedText
	local titleNoticeContent = getNoticeContent(frame, titleNoticeName, noticeArgs)
	makeLink(builder, links, titleNoticeName, enNames["title"], titleNoticeContent)
	displayEditnotice(builder, 'editnotice-title', titleNoticeContent)
	
	local pageNoticeName = pseudoNs.prefixedText .. "/" .. enTypes["page"] .. "/" .. currentTitle.id
	local pageNoticeContent = getNoticeContent(frame, pageNoticeName, noticeArgs)
	makeLink(builder, links, pageNoticeName, enNames["page"], pageNoticeContent)
	displayEditnotice(builder, 'editnotice-page', pageNoticeContent)
	
	local categories = mw.title.getCurrentTitle().categories
	mw.logObject(categories)
	for k,v in ipairs(categories) do
		local categoryNoticeName = pseudoNs.prefixedText .. "/" .. enTypes["category"] .. "/" .. v
		local categoryNoticeContent = getNoticeContent(frame, categoryNoticeName, noticeArgs)
		makeLink(builder, links, categoryNoticeName, enNames["category"] .. ' (' .. v .. ')', categoryNoticeContent)
		displayEditnotice(builder, 'editnotice-category', categoryNoticeContent)
	end
	builder:tag('div')
		:css('clear', 'both')
	return builder
end

return p