Difference between revisions of "Module:Protection banner"

Revision as of 02:55, 6 March 2014

-- This module implements {{pp-meta}} and its daughter templates such as
-- {{pp-dispute}}, {{pp-vandalism}} and {{pp-sock}}.

local categories = {
	['edit-autoconfirmed-user-all-all'] = 'Wikipedia semi-protected user and user talk pages',
	['edit-autoconfirmed-project-all-all'] = 'Semi-protected project pages',
	['edit-autoconfirmed-file-all-all'] = 'Semi-protected images',
	['edit-autoconfirmed-template-all-all'] = 'Wikipedia semi-protected templates',
	['edit-autoconfirmed-portal-all-all'] = 'Semi-protected portals',
	['edit-autoconfirmed-talk-all-all'] = 'Semi-protected talk pages',
	['edit-autoconfirmed-all-vandalism-all'] = 'Wikipedia pages semi-protected against vandalism',
	['edit-sysop-user-all-all'] = 'Wikipedia protected user and user talk pages',
	['edit-sysop-file-all-all'] = 'Protected images',
	['edit-sysop-project-all-all'] = 'Protected project pages',
	['edit-sysop-template-all-all'] = 'Wikipedia protected templates',
	['edit-sysop-talk-all-all'] = 'Protected talk pages',
	['edit-sysop-all-vandalism-all'] = 'Wikipedia pages protected against vandalism',
	['edit-autoconfirmed-all-dispute-all'] = 'Wikipedia pages semi-protected due to dispute',
	['edit-sysop-all-dispute-all'] = 'Wikipedia pages protected due to dispute',
	['move-sysop-all-dispute-all'] = 'Wikipedia pages move-protected due to dispute',
	['move-sysop-user-all-all'] = 'Wikipedia move-protected user and user talk pages',
	['move-sysop-project-all-all'] = 'Wikipedia move-protected project pages',
	['move-sysop-portal-all-all'] = 'Wikipedia move-protected portals',
	['move-sysop-all-vandalism-all'] = 'Wikipedia pages move-protected due to vandalism',
	['edit-autoconfirmed-template-all-all'] = 'Wikipedia semi-protected templates',
	['move-sysop-template-all-all'] = 'Wikipedia move-protected templates',
	['edit-all-template-all-all'] = 'Wikipedia protected templates',
	['move-sysop-portal-all-all'] = 'Wikipedia move-protected portals',
	['edit-autoconfirmed-all-sock-all'] = 'Wikipedia pages semi-protected from banned users',
	['edit-sysop-all-sock-all'] = 'Wikipedia pages protected from banned users',
	['edit-autoconfirmed-all-blp-temp'] = 'Wikipedia temporarily semi-protected biographies of living people',
	['edit-sysop-all-blp-temp'] = 'Wikipedia temporarily protected biographies of living people',
	['edit-autoconfirmed-all-blp-all'] = 'Wikipedia indefinitely semi-protected biographies of living people',
	['edit-sysop-all-blp-all'] = 'Wikipedia indefinitely protected biographies of living people',
	['edit-autoconfirmed-all-all-indef'] = 'Wikipedia indefinitely semi-protected pages',
	['edit-autoconfirmed-category-all-all'] = 'Wikipedia semi-protected categories',
	['edit-sysop-category-all-all'] = 'Wikipedia protected categories',
	['move-sysop-talk-all-all'] = 'Wikipedia move-protected talk pages',
	['move-sysop-all-all-indef'] = 'Wikipedia indefinitely move-protected pages',
	['edit-autoconfirmed-all-all-all'] = 'Wikipedia semi-protected pages',
	['move-sysop-all-all-all'] = 'Wikipedia move-protected pages',
	['pc-autoconfirmed-all-all-all'] = 'Wikipedia pending changes protected pages (level 1)',
	['pc-reviewer-all-all-all'] = 'Wikipedia pending changes protected pages (level 2)',
	['all-all-all-all-all'] = 'Wikipedia protected pages',
	['office'] = 'Wikipedia Office-protected pages',
}

local nskeys = {
	[2] = 'user',
	[3] = 'user',
	[4] = 'project',
	[6] = 'file',
	[10] = 'template',
	[12] = 'project',
	[14] = 'category',
	[100] = 'portal',
}

local error_categories = {
	incorrect = 'Wikipedia pages with incorrect protection templates',
	no_expiry = 'Wikipedia protected pages without expiry',
	create = 'Wikipedia pages tagged as create-protected',
	template = 'Wikipedia template-protected pages other than templates and modules'
}

local template_types = {
	vandalism = {
		namespaces = false, -- defaults to all namespaces
		editLevels = false, -- all edit protection levels
		moveLevels = false, -- all move protection levels
		createLevels = false, -- all create protection levels
		header = false,
		reason = 'due to [[Wikipedia:Vandalism|vandalism]]',
		icon_reason = 'due to vandalism',
	}
}

--------------------------------------------------------------------------------
-- Main functions
--------------------------------------------------------------------------------

local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')

local p = {}

function p.main(frame)
	-- Get data
	local args = getArgs(frame)
	local title = p.getTitle(args.page)
	local protType, protLevel = p.getProtectionStatus(title)
	local namespace = p.getNamespace(title)
	local expiry = p.getExpiry(args.expiry)
	local reason = p.getReason(args.reason)

	-- Sort categories and build a category link with the best match
	categories = p.sortCategories(categories, protType, protLevel, namespace, expiry, reason)
	local category = categories[1].name
	category = string.format('[[Category:%s]]', category)

	-- Find whether we are small or not and output a padlock or a banner as appropriate
	local isSmall = yesno(args.small, true)
	if isSmall then
		return p.exportPadlock()
	else
		return p.exportBanner()
	end
end

function p.parseNamespace(ns)
	-- The ns variable is the namespace number.
	if not ns or type(ns) ~= 'number' then
		return 'all'
	end
	local nskey = nskeys[ns]
	if not nskey and ns % 2 == 1 then
		nskey = 'talk'
	elseif not nskey then
		nskey = 'all'
	end
	return nskey
end

function p.getCategoryName(cats, protType, protLevel, namespace, reason, expiry)
	-- Preprocess parameters
	cats = cats or categories
	protType = protType or 'all'
	protLevel = protLevel or 'all'
	namespace = p.parseNamespace(namespace)
	reason = reason or 'all'
	if not expiry then
		expiry = 'all'
	elseif expiry ~= 'indef' then
		expiry = 'temp'
	end
	
	-- Define the key table and the order to test it in.
	-- This part is a little like playing regex golf - we have to make up a new
	-- rule for every idiosyncracy that was in the old template system.
	local keyTable = {protType, protLevel, namespace, reason, expiry}
	local attemptOrder = {
		-- type, level, ns, reason, expiry
		{true, true, true, true, true},     -- 1
		{true, true, true, true, false},    -- 2
		{true, true, false, true, true},    -- 3
		{true, true, true, false, true},    -- 4
		{true, true, false, true, false},   -- 5
		{true, true, true, false, false},   -- 6
		{true, true, false, false, true},   -- 7
		{true, false, true, true, true},    -- 8
		{true, false, true, true, false},   -- 9
		{true, false, false, true, true},   -- 10
		{true, false, true, false, true},   -- 11
		{true, false, false, true, false},  -- 12
		{true, false, true, false, false},  -- 13
		{true, false, false, false, true},  -- 14
		{true, false, false, false, false}, -- 15
		{false, false, false, false, false} -- 16
	}
	
	local reasonBehaviors = {
		vandalism = 'namespaceFirst',
		dispute = 'reasonFirst',
		blp = 'reasonFirst',
		sock = 'reasonFirst',
		office = 'reasonOnly',
	}

	local reasonBehavior = reasonBehaviors[reason]
	if reasonBehavior == 'reasonOnly' then
		local attempt = cats[reason]
		if attempt then
			return attempt
		else
			error('the category for key "' .. reason .. '" is undefined')
		end
	elseif reasonBehavior == 'namespaceFirst' then
		-- Sort the order so that namespace keys are checked before reason matches.
		attemptOrder[3], attemptOrder[4] = attemptOrder[4], attemptOrder[3] 
		attemptOrder[5], attemptOrder[6] = attemptOrder[6], attemptOrder[5]
	elseif reasonBehavior ~= 'reasonFirst' and reason ~= 'all' then
		error(reason .. ' is not a valid reason')
	end
	
	-- Try successively generic matches until we run out of key combinations
	for i, t in ipairs(attemptOrder) do
		local key = {}
		for j, useKeyTable in ipairs(t) do
			if useKeyTable then
				key[j] = keyTable[j]
			else
				key[j] = 'all'
			end
		end
		key = table.concat(key, '-')
		mw.log(key) -- for debugging
		local attempt = cats[key]
		if attempt then
			return attempt
		end
	end
	error('No category match found; please define the category for key "all-all-all-all-all"')
end			

return p