Module:Protection banner: Difference between revisions

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imported>Mr. Stradivarius
(give up on the OOP approach, lay out the main module structure in more detail, and move the config to Module:Protection banner/config)
imported>Mr. Stradivarius
(Yet Another Rewrite - this time using Module:Middleclass)
Line 3: Line 3:


-- Initialise necessary modules.
-- Initialise necessary modules.
local class = require('Module:Middleclass').class
local mArguments = require('Module:Arguments')
local mArguments = require('Module:Arguments')
local mProtectionLevel = require('Module:Effective protection level')._main
local mFileLink = require('Module:File link')
local mFileLink = require('Module:File link')
local mProtectionLevel = require('Module:Effective protection level')
local yesno = require('Module:Yesno')
local yesno = require('Module:Yesno')
local mMessageBox -- only needs to be loaded if we are outputting a banner, so lazily initialise


-- Load config
--------------------------------------------------------------------------------
local cfg = mw.loadData('Module:Protection banner/config')
-- ProtectionStatus class
--------------------------------------------------------------------------------


local p = {}
local ProtectionStatus = class('ProtectionStatus')


--------------------------------------------------------------------------------
function ProtectionStatus:initialize(args, titleObj)
-- Helper functions
-- Set action
--------------------------------------------------------------------------------
do
local actions = {
create = true,
edit = true,
move = true,
autoreview = true
}
if args.action and actions[args.action] then
self._action = args.action
else
self._action = 'edit'
end
end


local function validateField(tName, t, field, expectType, nilOk)
-- Set level
local val = t[field]
do
local valType = type(val)
local level = mProtectionLevel._main(self._action, titleObj)
if not (valType == expectType or nilOk and valType == 'nil') then
if level == 'accountcreator' then
error(string.format(
-- Lump titleblacklisted pages in with template-protected pages,
"type error in '%s' field '%s' (%s%s expected, got %s)",
-- since templateeditors can do both.
tName,
level = 'templateeditor'
tostring(field),
end
expectType,
self._level = level or '*'
nilOk and ' or nil' or '',
valType
), 2)
end
end
-- Set reason
self._reason = args.reason
-- Set expiry
self._expiry = args.expiry
end
end


local function toTableEnd(t, pos)
function ProtectionStatus:getAction()
-- Sends the value at position pos to the end of array t, and shifts the
return self._action
-- other items down accordingly.
end
return table.insert(t, table.remove(t, pos))
 
function ProtectionStatus:getLevel()
return self._level
end
 
function ProtectionStatus:getReason()
return self._reason
end
 
function ProtectionStatus:getExpiry()
return self._expiry
end
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Main functions
-- Config class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.main(frame)
local Config = class('Config')
local args = mArguments.getArgs(frame)
 
return p._main(args)
function Config:initialize()
self._cfg = mw.loadData('Module:Protection banner/config')
end
end


function p._main(args)
function Config:getBannerConfig(protectionStatusObj)
local protectionLevel = p.getProtectionLevel(args)
local cfg = self._cfg
local isSmall = yesno(args.small) or false
local action = protectionStatusObj:getAction()
local bannerConfig = p.getBannerConfig(protectionLevel, args)
local reason = protectionStatusObj:getReason()
if cfg.banners[action][reason] then
return cfg.banners[action][reason]
else
return cfg.defaultBanners[action]
end
end


local ret = ''
function Config:getConfigTable(key)
if isSmall then
local whitelisted = {
ret = ret .. p.makePadlock(protectionLevel, args, bannerConfig)
images = true,
categories = true,
categoryNamespaces = true,
pagetypeNamespaces = true,
errorCategories = true
}
if whitelisted[key] then
return self._cfg[key]
else
else
ret = ret .. p.makeBanner(protectionLevel, args, bannerConfig)
return nil
end
end
ret = ret .. p.getProtectionCategory(protectionLevel, args)
ret = ret .. p.getTrackingCategories(protectionLevel, args)
return ret
end
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Protection functions
-- Image class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.getProtectionLevel(args)
local Image = class('Image')
local title
if args.page then
title = mw.title.new(args.page)
else
title = mw.title.getCurrentTitle()
end
local protectionData = p.getProtectionData(title)
protectionLevel = protectionData[args.action or 'edit']
return protectionLevel or '*'
end
 
function p.getProtectionData(title)
-- Gets a table containing protection data for the given title. The data
-- is cached using a metatable, and so can be indexed as needed without
-- a performance loss.
local protectionData = {}
local actions = {
create = true,
edit = true,
move = true,
autoreview = true
}
setmetatable(protectionData, {
__index = function (t, key)
local level
if actions[key] then
level = mProtectionLevel(key, title)
if level == 'accountcreator' then
-- Lump titleblacklisted pages in with template-protected pages,
-- since templateeditors can do both.
level = 'templateeditor'
end
end
protectionData[key] = level
return level
end
})
return protectionData
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Banner config functions
-- Blurb class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.getBannerConfig(protectionLevel, args)
local Blurb = class('Blurb')
 
function Blurb:initialize(bannerConfig)
self._config = bannerConfig
end
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Padlock functions
-- BannerTemplate class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.makePadlock(protectionLevel, args, bannerConfig)
local BannerTemplate = class('BannerTemplate')
local data = p.makePadlockData(protectionLevel, args, bannerConfig)
return p.renderPadlock(data)
end


function p.makePadlockData(protectionLevel, args, bannerConfig)
function BannerTemplate:initialize()
end
end


function p.renderPadlock(data)
function BannerTemplate:render()
data = data or {}
local image = mFileLink.new(data.filename or 'Transparent.gif')
:width(20)
:link(data.link)
:alt(data.alt)
:render()
local root = mw.html.create('div')
root
:addClass('metadata topicon nopopups')
:attr('id', 'protected-icon')
:css{display = 'none', right = data.right or '55px'}
:wikitext(image)
return tostring(root)
end
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Banner functions
-- Banner class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.makeBanner(protectionLevel, args, bannerConfig)
local Banner = BannerTemplate:subclass('Banner')
local data = p.makeBannerData(protectionLevel, args, bannerConfig)
return p.renderBanner(data)
end


function p.makeBannerData(protectionLevel, args, bannerConfig)
--------------------------------------------------------------------------------
end
-- Padlock class
--------------------------------------------------------------------------------


function p.renderBanner(data)
local Padlock = BannerTemplate:subclass('Padlock')
data = data or {}
local image = mFileLink.new(data.filename)
:width(40)
:caption(data.mouseover)
:render()
local mbargs = {
page = data.page,
type = 'protection',
image = image,
text = string.format(
"'''%s'''%s",
data.reasonText,
data.explanationText and '<br />' .. data.explanationText or ''
)
}
return mMessageBox.main('mbox', mbargs)
end


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Protection category functions
-- Category class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.getProtectionCategory(protectionLevel, args)
local Category = class('Category')
 
function Category:initialize()
end
end


function p.getPagetype(ns)
function Category:export()
-- Returns a string with the page's type. Takes a namespace number as input.
if self._categoryName then
local pagetype = pagetypeNamespaces[ns] or pagetypeNamespaces.default
return string.format(
if not pagetype then
'[[%s:%s]]',
error('the page type could not be found; please define a name for the key "default"')
mw.site.namespaces[14].name,
self._categoryName
)
else
return ''
end
end
return pagetype
end
end


function p.matchNamespace(ns)
--------------------------------------------------------------------------------
-- Matches a namespace number to a string that can be passed to the
-- ProtectionCategory class
-- namespace parameter of p.getCategoryName.
--------------------------------------------------------------------------------
if not ns or type(ns) ~= 'number' then
return nil
end
local nskey = cfg.categoryNamespaces[ns]
if not nskey and ns % 2 == 1 then
nskey = 'talk'
end
return nskey
end


function p.getCategoryName(cats, action, level, namespace, reason, expiry)
local ProtectionCategory = Category:subclass('ProtectionCategory')
--[[
-- Gets a category name from the category table, given a combination of
-- the protection type, the protection level, the namespace number, the
-- reason for protection, and the expiry date.
--]]
cats = cats or cfg.categories


--[[
--------------------------------------------------------------------------------
-- Define the properties table. Each property is a table containing the
-- ErrorCategory class
-- canonical order that the property is tested in, the position the
--------------------------------------------------------------------------------
-- property has in the category key strings, and the property value itself.
--]]
local properties = {
expiry = {order = 1, keypos = 5, val = expiry},
namespace = {order = 2, keypos = 3, val = p.matchNamespace(namespace)},
reason = {order = 3, keypos = 4, val = reason},
level = {order = 4, keypos = 2, val = level},
action = {order = 5, keypos = 1, val = action}
}


--[[
local ErrorCategory = Category:subclass('ErrorCategory')
-- Load the category order configuration for the reason specified.
-- The configuration is stored in the categoryOrder field of each reason
-- subtable of cfg.reasons. If the value is a table, then the order is the
-- values specified in the table. If the value is a string, then the
-- property corresponding to that string is tested last (i.e. it is the most
-- important, because it keeps its specified value the longest) and the
-- other properties are tested in the canonical order. If the value is of
-- any other type then the canonical order is used.
--]]
local reasonTable = reason and cfg.reasons[reason]
local categoryOrder = reasonTable and reasonTable.categoryOrder
local categoryOrderType = type(categoryOrder)
local configOrder = {}
if categoryOrderType == 'table' then
local dupes = {}
for i = 1, 5 do
local propertiesKey = categoryOrder[i]
if not propertiesKey then
local msg = 'no entry found for key '
.. i
.. ' in the cfg.reasons.'
.. reason
.. '.categoryOrder table'
error(msg)
end
local property = properties[propertiesKey]
if not property then
local msg = 'invalid value "'
.. propertiesKey
.. '" detected in the cfg.reasons.'
.. reason
.. '.categoryOrder table'
error(msg)
end
if dupes[propertiesKey] then
local msg = 'duplicate values "'
.. propertiesKey
.. '" detected in the cfg.reasons.'
.. reason
.. '.categoryOrder table'
error(msg)
else
dupes[propertiesKey] = true
end
configOrder[i] = property
end
else
for propertiesKey, t in pairs(properties) do
configOrder[t.order] = t
end
if categoryOrderType == 'string' then
local property = properties[categoryOrder]
if not property then
local msg = '"'
.. categoryOrder
.. '" is not a valid value of cfg.reasons.'
.. reason
.. '.categoryOrder'
error(msg)
end
toTableEnd(configOrder, property.order)
end
end


--[[
--------------------------------------------------------------------------------
-- Define the attempt order. Properties with no value defined are moved
-- ExpiryCategory class
-- to the end, where they will later be given the value "all". This is
--------------------------------------------------------------------------------
-- to cut down on the number of table lookups in the cats table, which
-- grows exponentially with the number of properties with valid values.
-- We keep track of the number of active properties with the noActive
-- parameter.
--]]
local active, inactive = {}, {}
for i, t in ipairs(configOrder) do
if t.val then
active[#active + 1] = t
else
inactive[#inactive + 1] = t
end
end
local noActive = #active
local attemptOrder = active
for i, t in ipairs(inactive) do
attemptOrder[#attemptOrder + 1] = t
end


--[[
local ExpiryCategory = Category:subclass('ExpiryCategory')
-- Check increasingly generic key combinations until we find a match.
-- If a specific category exists for the combination of properties
-- we are given, that match will be found first. If not, we keep
-- trying different key combinations until we match using the key
-- "all-all-all-all-all".
--
-- To generate the keys, we index the property subtables using a
-- binary matrix with indexes i and j. j is only calculated up to
-- the number of active properties. For example, if there were three
-- active properties, the matrix would look like this, with 0
-- corresponding to the string "all", and 1 corresponding to the
-- val field in the property table:
--
--  j 1  2  3
-- i 
-- 1  1  1  1
-- 2  0  1  1
-- 3  1  0  1
-- 4  0  0  1
-- 5  1  1  0
-- 6  0  1  0
-- 7  1  0  0
-- 8  0  0  0
--
-- Values of j higher than the number of active properties are set
-- to the string "all".
--
-- A key for the category table is constructed for each value of i.
-- The correct position of the value in the key is determined by the
-- pos field in the property table.
--]]
for i = 1, 2^noActive do
local key = {}
for j, t in ipairs(attemptOrder) do
if j > noActive then
key[t.keypos] = 'all'
else
local quotient = i / 2 ^ (j - 1)
quotient = math.ceil(quotient)
if quotient % 2 == 1 then
key[t.keypos] = t.val
else
key[t.keypos] = 'all'
end
end
end
key = table.concat(key, '-')
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


--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Tracking category functions
-- ProtectionBanner class
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


function p.getTrackingCategories(protectionLevel, args)
local ProtectionBanner = {}
 
function ProtectionBanner._newBannerTemplate(args)
-- Makes a new banner template object. This will be a new instance of
-- the most suitable subclass of BannerTemplate, e.g. Banner or Padlock.
if yesno(args.small) then
return Padlock:new(args)
else
return Banner:new(args)
end
end
end


--[[
function ProtectionBanner.exportToWiki(frame, titleObj)
When to add "Category:Wikipedia pages with incorrect protection templates":
local args = mArguments.getArgs(frame)
* If it uses a type which is incompatible with the actual protection level of a page, or
return ProtectionBanner.exportToLua(args, titleObj)
* If an expiry date is set and is in the past
end


When to add "Category:Wikipedia protected pages without expiry":
function ProtectionBanner.exportToLua(args, title)
* No expiry is set, and
title = title or mw.title.getCurrentTitle()
* Expiry can be set, and
end
* The protection type is not "move" (could change this?), and
* The reason doesn't have "indefinitely protected" categories (pp-blp, pp-semi-indef and pp-move-indef have these), and
* The reason is not the generic pp-protected (could change this?)
(This leaves reasons "dispute", "vandalism", "usertalk", and "sock")
]]


return p
return ProtectionBanner

Revision as of 15:26, 8 June 2014

Documentation for this module may be created at Module:Protection banner/doc

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

-- Initialise necessary modules.
local class = require('Module:Middleclass').class
local mArguments = require('Module:Arguments')
local mFileLink = require('Module:File link')
local mProtectionLevel = require('Module:Effective protection level')
local yesno = require('Module:Yesno')

--------------------------------------------------------------------------------
-- ProtectionStatus class
--------------------------------------------------------------------------------

local ProtectionStatus = class('ProtectionStatus')

function ProtectionStatus:initialize(args, titleObj)
	-- Set action
	do
		local actions = {
			create = true,
			edit = true,
			move = true,
			autoreview = true
		}
		if args.action and actions[args.action] then
			self._action = args.action
		else
			self._action = 'edit'
		end
	end

	-- Set level
	do
		local level = mProtectionLevel._main(self._action, titleObj)
		if level == 'accountcreator' then
			-- Lump titleblacklisted pages in with template-protected pages,
			-- since templateeditors can do both.
			level = 'templateeditor'
		end
		self._level = level or '*'
	end

	-- Set reason
	self._reason = args.reason

	-- Set expiry
	self._expiry = args.expiry
end

function ProtectionStatus:getAction()
	return self._action
end

function ProtectionStatus:getLevel()
	return self._level
end

function ProtectionStatus:getReason()
	return self._reason
end

function ProtectionStatus:getExpiry()
	return self._expiry
end

--------------------------------------------------------------------------------
-- Config class
--------------------------------------------------------------------------------

local Config = class('Config')

function Config:initialize()
	self._cfg = mw.loadData('Module:Protection banner/config')
end

function Config:getBannerConfig(protectionStatusObj)
	local cfg = self._cfg
	local action = protectionStatusObj:getAction()
	local reason = protectionStatusObj:getReason()
	if cfg.banners[action][reason] then
		return cfg.banners[action][reason]
	else
		return cfg.defaultBanners[action]
	end
end

function Config:getConfigTable(key)
	local whitelisted = {
		images = true,
		categories = true,
		categoryNamespaces = true,
		pagetypeNamespaces = true,
		errorCategories = true
	}
	if whitelisted[key] then
		return self._cfg[key]
	else
		return nil
	end
end

--------------------------------------------------------------------------------
-- Image class
--------------------------------------------------------------------------------

local Image = class('Image')

--------------------------------------------------------------------------------
-- Blurb class
--------------------------------------------------------------------------------

local Blurb = class('Blurb')

function Blurb:initialize(bannerConfig)
	self._config = bannerConfig
end

--------------------------------------------------------------------------------
-- BannerTemplate class
--------------------------------------------------------------------------------

local BannerTemplate = class('BannerTemplate')

function BannerTemplate:initialize()
end

function BannerTemplate:render()
end

--------------------------------------------------------------------------------
-- Banner class
--------------------------------------------------------------------------------

local Banner = BannerTemplate:subclass('Banner')

--------------------------------------------------------------------------------
-- Padlock class
--------------------------------------------------------------------------------

local Padlock = BannerTemplate:subclass('Padlock')

--------------------------------------------------------------------------------
-- Category class
--------------------------------------------------------------------------------

local Category = class('Category')

function Category:initialize()
end

function Category:export()
	if self._categoryName then
		return string.format(
			'[[%s:%s]]',
			mw.site.namespaces[14].name,
			self._categoryName
		)
	else
		return ''
	end
end

--------------------------------------------------------------------------------
-- ProtectionCategory class
--------------------------------------------------------------------------------

local ProtectionCategory = Category:subclass('ProtectionCategory')

--------------------------------------------------------------------------------
-- ErrorCategory class
--------------------------------------------------------------------------------

local ErrorCategory = Category:subclass('ErrorCategory')

--------------------------------------------------------------------------------
-- ExpiryCategory class
--------------------------------------------------------------------------------

local ExpiryCategory = Category:subclass('ExpiryCategory')

--------------------------------------------------------------------------------
-- ProtectionBanner class
--------------------------------------------------------------------------------

local ProtectionBanner = {}

function ProtectionBanner._newBannerTemplate(args)
	-- Makes a new banner template object. This will be a new instance of
	-- the most suitable subclass of BannerTemplate, e.g. Banner or Padlock.
	if yesno(args.small) then
		return Padlock:new(args)
	else
		return Banner:new(args)
	end
end

function ProtectionBanner.exportToWiki(frame, titleObj)
	local args = mArguments.getArgs(frame)
	return ProtectionBanner.exportToLua(args, titleObj)
end

function ProtectionBanner.exportToLua(args, title)
	title = title or mw.title.getCurrentTitle()
end

return ProtectionBanner