# Module:Lua banner

-- This module implements the template.
local yesno = require('Module:Yesno')
local mList = require('Module:List')
local mTableTools = require('Module:TableTools')
local mMessageBox = require('Module:Message box')  
local p = {}  
function p.main
local origArgs = :getParent.args
local args = {}
for k, v in pairs(origArgs) do
v = v:match('^%s*(.-)%s*$')
if v ~= '' then
args[k] = v
end
end
return p._main(args)
end  
function p._main(args)
local modules = mTableTools.compressSparseArray(args)
local box = p.renderBox(modules)
local trackingCategories = p.renderTrackingCategories(args, modules)
return box .. trackingCategories
end  
function p.renderBox(modules)
local boxArgs = {}
if #modules < 1 then
boxArgs.text = '<strong>Error: no modules specified</strong>'
else
local moduleLinks = {}
for i, module in ipairs(modules) do
moduleLinks[i] = string.format(':%s', module)
local maybeSandbox = mw.title.new(module .. '/sandbox')
if maybeSandbox.exists then
moduleLinks[i] = moduleLinks[i] .. string.format(' (sandbox)', maybeSandbox.fullText)
end
end
local moduleList = mList.makeList('bulleted', moduleLinks)
local title = mw.title.getCurrentTitle
if title.subpageText == "doc" then
title = title.basePageTitle
end
if title.contentModel == "Scribunto" then
boxArgs.text = 'This module depends on the following other modules:' .. moduleList
else
boxArgs.text = 'This template uses :\n' .. moduleList
end
end
boxArgs.type = 'notice'
boxArgs.small = true
boxArgs.image = ''
return mMessageBox.main('mbox', boxArgs)
end  
function p.renderTrackingCategories(args, modules, titleObj)
if yesno(args.nocat) then
return ''
end  
local cats = {}  
-- Error category
if #modules < 1 then
cats[#cats + 1] = 'Lua templates with errors'
end  
-- Lua templates category
titleObj = titleObj or mw.title.getCurrentTitle
local subpageBlacklist = {
doc = true,
sandbox = true,
sandbox2 = true,
testcases = true
}
if not subpageBlacklist[titleObj.subpageText] then
local protCatName
if titleObj.namespace == 10 then
local category = args.category
if not category then
local categories = {
['Module:String'] = 'Templates based on the String Lua module',
['Module:Math'] = 'Templates based on the Math Lua module',
['Module:BaseConvert'] = 'Templates based on the BaseConvert Lua module',
['Module:Citation/CS1'] = 'Templates based on the Citation/CS1 Lua module'
}
category = modules[1] and categories[modules[1]]
category = category or 'Lua-based templates'
end
cats[#cats + 1] = category
protCatName = "Templates using under-protected Lua modules"
elseif titleObj.namespace == 828 then
protCatName = "Modules depending on under-protected modules"
end
if not args.noprotcat and protCatName then
local protLevels = {
autoconfirmed = 1,
extendedconfirmed = 2,
templateeditor = 3,
sysop = 4
}
local currentProt
if titleObj.id ~= 0 then
-- id is 0 (page does not exist) if am previewing before creating a template.
currentProt = titleObj.protectionLevels["edit"][1]
end
if currentProt == nil then currentProt = 0 else currentProt = protLevels[currentProt] end
for i, module in ipairs(modules) do
if module ~= "WP:libraryUtil" then
local moduleProt = mw.title.new(module).protectionLevels["edit"][1]
if moduleProt == nil then moduleProt = 0 else moduleProt = protLevels[moduleProt] end
if moduleProt < currentProt then
cats[#cats + 1] = protCatName
break
end
end
end
end
end
for i, cat in ipairs(cats) do
cats[i] = string.format('', cat)
end
return table.concat(cats)
end  
return p