Module:Protection banner

-- This module implements and its daughter templates such as --,  and.

-- Initialise necessary modules. require('Module:No globals') local class = require('Module:Middleclass').class local newFileLink = require('Module:File link').new local effectiveProtectionLevel = require('Module:Effective protection level')._main local yesno = require('Module:Yesno')

-- Lazily initialise modules and objects we don't always need. local mArguments, mMessageBox, lang

-- Config class

local Config = class('Config')

function Config:initialize(data) data = data or mw.loadData('Module:Protection banner/config') self._cfg = data.cfg self._msg = data.msg self._bannerConfigTables = {} end

function Config:getBannerConfig(protectionObj) if self._bannerConfigTables[protectionObj] then return self._bannerConfigTables[protectionObj] else local ret = {} local cfg = self._cfg local action = protectionObj.action local level = protectionObj.level local reason = protectionObj.reason local fields = { 'text', 'explanation', 'tooltip', 'alt', 'link', 'image' }		local configTables = {} if cfg.banners[action] then configTables[#configTables + 1] = cfg.banners[action][reason] end if cfg.defaultBanners[action] then configTables[#configTables + 1] = cfg.defaultBanners[action][level] configTables[#configTables + 1] = cfg.defaultBanners[action].default end configTables[#configTables + 1] = cfg.masterBanner for i, field in ipairs(fields) do			for j, t in ipairs(configTables) do				if t[field] then ret[field] = t[field] break end end end self._bannerConfigTables[protectionObj] = ret return ret end end

function Config:getConfigTable(key) local blacklist = { banners = true, defaultBanners = true, masterBanner = true }	if not blacklist[key] then return self._cfg[key] else return nil end end

function Config:getMessage(key) return self._msg[key] end

-- Protection class

local Protection = class('Protection')

function Protection:initialize(args, configObj, 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 = effectiveProtectionLevel(self.action, titleObj) if level == 'accountcreator' then -- Lump titleblacklisted pages in with template-protected pages, -- since templateeditors can do both. level = 'templateeditor' end if self.action == 'move' and level == 'autoconfirmed' then -- Users need to be autoconfirmed to move pages anyway, so treat -- semi-move-protected pages as unprotected. level = '*' end self.level = level or '*' end

-- Validation function for the expiry and the protection date local function validateDate(date, dateType) lang = lang or mw.language.getContentLanguage local success, expiry = pcall(lang.formatDate, lang, 'U', args.expiry) expiry = tonumber(expiry) if success and expiry then return expiry else return string.format(				' Error: invalid %s ("%s") ',				dateType,				tostring(args.expiry)			) end end

-- Set expiry if args.expiry then local indefStrings = configObj:getConfigTable('indefStrings') if indefStrings[args.expiry] then self.expiry = 'indef' elseif type(args.expiry) == 'number' then self.expiry = args.expiry else self.expiry = validateDate(args.expiry, 'expiry date') end end

-- Set reason do local reason = args.reason or args[1] if reason then self.reason = reason:lower end end

-- Set protection date self.protectionDate = validateDate(args.date, 'protection date') end

function Protection:isProtected return self._level ~= '*' end

-- Blurb class

local Blurb = class('Blurb')

function Blurb:initialize(configObj, protectionObj, titleObj) self._configObj = configObj self._protectionObj = protectionObj self._bannerConfig = configObj:getBannerConfig(protectionObj) self._titleObj = titleObj end

-- Static methods --

function Blurb.makeFullUrl(page, query, display) local url = mw.uri.fullUrl(page, query) url = tostring(url) return string.format('[%s %s]', url, display) end

function Blurb.formatDate(num) -- Formats a Unix timestamp into dd Month, YYYY format. lang = lang or mw.language.getContentLanguage local success, date = pcall(		lang.formatDate,		lang,		'j F Y',		'@' .. tostring(num)	) if success then return date end end

-- Private methods --

function Blurb:_getExpandedMessage(msg) local msg = self._configObj:getMessage(msg) return self:_substituteParameters(msg) end

function Blurb:_substituteParameters(msg) if not self._params then local params, parameterFuncs = {}, {} setmetatable(params, {			__index = function (t, k)				local param				if parameterFuncs[k] then					param = parameterFuncs[k](self)				end				param = param or ''				params[k] = param				return param			end		})

parameterFuncs.CURRENTVERSION    = self._makeCurrentVersionParameter parameterFuncs.DELETIONDISCUSSION = self._makeDeletionDiscussionParameter parameterFuncs.DISPUTEBLURB      = self._makeDisputeBlurbParameter parameterFuncs.DISPUTESECTION    = self._makeDisputeSectionParameter parameterFuncs.EDITREQUEST       = self._makeEditRequestParameter parameterFuncs.EXPIRY            = self._makeExpiryParameter parameterFuncs.EXPLANATIONBLURB  = self._makeExplanationBlurbParameter parameterFuncs.IMAGELINK         = self._makeImageLinkParameter parameterFuncs.INTROBLURB        = self._makeIntroBlurbParameter parameterFuncs.OFFICEBLURB       = self._makeOfficeBlurbParameter parameterFuncs.PAGETYPE          = self._makePagetypeParameter parameterFuncs.PROTECTIONBLURB   = self._makeProtectionBlurbParameter parameterFuncs.PROTECTIONDATE    = self._makeProtectionDateParameter parameterFuncs.PROTECTIONLEVEL   = self._makeProtectionLevelParameter parameterFuncs.PROTECTIONLOG     = self._makeProtectionLogParameter parameterFuncs.RESETBLURB        = self._makeResetBlurbParameter parameterFuncs.TALKPAGE          = self._makeTalkPageParameter parameterFuncs.TOOLTIPBLURB      = self._makeTooltipBlurbParameter parameterFuncs.VANDAL            = self._makeVandalTemplateParameter self._params = params end msg = msg:gsub('${(%u+)}', self._params) return msg end

function Blurb:_makeCurrentVersionParameter -- A link to the page history or the move log, depending on the kind of -- protection. local action = self._protectionObj.action local pagename = self._titleObj.prefixedText if action == 'move' then -- We need the move log link. return self.makeFullUrl(			'Special:Log',			{type = 'move', page = pagename},			self:_getExpandedMessage('current-version-move-display')		) else -- We need the history link. return self.makeFullUrl(			pagename,			{action = 'history'},			self:_getExpandedMessage('current-version-edit-display')		) end end

function Blurb:_makeDeletionDiscussionLinkParameter local deletionDiscussionPage = self._deletionDiscussionPage if deletionDiscussionPage then local display = self:_getExpandedMessage('deletion-discussion-link-display') return string.format('%s', deletionDiscussionPage, display) end end

function Blurb:_makeDisputeBlurbParameter local expiry = self._protectionObj.expiry if type(expiry) == 'number' then return self:_getExpandedMessage('dispute-blurb-expiry') else return self:_getExpandedMessage('dispute-blurb-noexpiry') end end

function Blurb:_makeDisputeSectionParameter -- "disputes", with or without a section link local section = self._section local disputes = self:_getExpandedMessage('dispute-section-link-display') if section then return string.format(			'%s',			mw.site.namespaces[self._titleObj.namespace].talk.name,			self._titleObj.text,			section,			disputes		) else return disputes end end

function Blurb:_makeEditRequestParameter local mEditRequest = require('Module:Submit an edit request') local action = self._protectionObj.action local level = self._protectionObj.level -- Get the display message key. local key if action == 'edit' and level == 'autoconfirmed' then key = 'edit-request-semi-display' else key = 'edit-request-full-display' end local display = self:_getExpandedMessage(key) -- Get the edit request type. local requestType if action == 'edit' then if level == 'autoconfirmed' then requestType = 'semi' elseif level == 'templateeditor' then requestType = 'template' end end requestType = requestType or 'full' return mEditRequest.exportLinkToLua{type = requestType, display = display} end

function Blurb:_makeExpiryParameter local expiry = self._protectionObj.expiry if expiry == 'indef' then return nil elseif type(expiry) == 'number' then return Blurb.formatDate(expiry) elseif expiry then -- Expiry is an error string. return expiry end end

function Blurb:_makeExplanationBlurbParameter local action = self._protectionObj.action local level = self._protectionObj.level local namespace = self._titleObj.namespace local isTalk = self._titleObj.isTalkPage

-- @TODO: add semi-protection and pending changes blurbs local key if namespace == 8 then -- MediaWiki namespace key = 'explanation-blurb-full-nounprotect' elseif action == 'edit' and level == 'sysop' and not isTalk then key = 'explanation-blurb-full-subject' elseif action == 'move' then if isTalk then key = 'explanation-blurb-move-talk' else key = 'explanation-blurb-move-subject' end elseif action == 'create' then local xfd = self._deletionDiscussion if xfd then key = 'explanation-blurb-create-xfd' else key = 'explanation-blurb-create-noxfd' end else key = 'explanation-blurb-default' end return self:_getExpandedMessage(key) end

function Blurb:_makeImageLinkParameter local imageLinks = self._configObj:getConfigTable('imageLinks') local action = self._protectionObj.action local level = self._protectionObj.level local msg if imageLinks[action][level] then msg = imageLinks[action][level] elseif imageLinks[action].default then msg = imageLinks[action].default else msg = imageLinks.edit.default end return self:_substituteParameters(msg) end

function Blurb:_makeIntroBlurbParameter local expiry = self._protectionObj.expiry if type(expiry) == 'number' then return self:_getExpandedMessage('intro-blurb-expiry') else return self:_getExpandedMessage('intro-blurb-noexpiry') end end

function Blurb:_makeOfficeBlurbParameter local protectionDate = self._protectionObj.protectionDate if protectionDate then return self:_getExpandedMessage('office-blurb-protectiondate') else return self:_getExpandedMessage('office-blurb-noprotectiondate') end end

function Blurb:_makePagetypeParameter local pagetypes = self._configObj:getConfigTable('pagetypes') local namespace = self._titleObj.namespace return pagetypes[namespace] or pagetypes.default or error('no default pagetype defined') end

function Blurb:_makeProtectionBlurbParameter local protectionBlurbs = self._configObj:getConfigTable('protectionBlurbs') local action = self._protectionObj.action local level = self._protectionObj.level local msg if protectionBlurbs[action][level] then msg = protectionBlurbs[action][level] elseif protectionBlurbs[action].default then msg = protectionBlurbs[action].default elseif protectionBlurbs.edit.default then msg = protectionBlurbs.edit.default else error('no protection blurb defined for cfg.protectionBlurbs.edit.default') end return self:_substituteParameters(msg) end

function Blurb:_makeProtectionDateParameter local protectionDate = self._protectionObj.protectionDate if type(protectionDate) == 'number' then return Blurb.formatDate(protectionDate) else return protectionDate end end

function Blurb:_makeProtectionLevelParameter local protectionLevels = self._configObj:getConfigTable('protectionLevels') local action = self._protectionObj.action local level = self._protectionObj.level local msg if protectionLevels[action][level] then msg = protectionLevels[action][level] elseif protectionLevels[action].default then msg = protectionLevels[action].default elseif protectionLevels.edit.default then msg = protectionLevels.edit.default else error('no protection level defined for cfg.protectionLevels.edit.default') end return self:_substituteParameters(msg) end

function Blurb:_makeProtectionLogParameter local action = self._protectionObj.action local pagename = self._titleObj.prefixedText if action == 'autoreview' then -- We need the pending changes log. return self.makeFullUrl(			'Special:Log',			{type = 'stable', page = pagename},			self:_getExpandedMessage('pc-log-display')		) else -- We need the protection log. return self.makeFullUrl(			'Special:Log',			{type = 'protect', page = pagename},			self:_getExpandedMessage('protection-log-display')		) end end

function Blurb:_makeResetBlurbParameter local protectionDate = self._protectionObj.protectionDate if protectionDate then return self:_getExpandedMessage('reset-blurb-protectiondate') else return self:_getExpandedMessage('reset-blurb-noprotectiondate') end end

function Blurb:_makeTalkPageParameter local section = self._section local display = self:_getExpandedMessage('talk-page-link-display') return string.format(		'%s',		mw.site.namespaces[self._titleObj.namespace].talk.name,		self._titleObj.text,		section or 'top',		display	) end

function Blurb:_makeTooltipBlurbParameter local expiry = self._protectionObj.expiry if type(expiry) == 'number' then return self:_getExpandedMessage('tooltip-blurb-expiry') else return self:_getExpandedMessage('tooltip-blurb-noexpiry') end end

function Blurb:_makeVandalTemplateParameter local mVandalM = require('Module:Vandal-m') local username = self._username username = username or self._titleObj.baseText return mVandalM._main{username} end

-- Public methods --

function Blurb:setDeletionDiscussionPage(page) self._deletionDiscussionPage = page end

function Blurb:setUsername(username) self._username = username end

function Blurb:setSection(section) self._section = section end

function Blurb:makeReasonText local msg = self._bannerConfig.text if msg then return self:_substituteParameters(msg) end end

function Blurb:makeExplanationText local msg = self._bannerConfig.explanation return self:_substituteParameters(msg) end

function Blurb:makeTooltipText local msg = self._bannerConfig.tooltip return self:_substituteParameters(msg) end

function Blurb:makeAltText local msg = self._bannerConfig.alt return self:_substituteParameters(msg) end

function Blurb:makeLinkText local msg = self._bannerConfig.link return self:_substituteParameters(msg) end

-- BannerTemplate class

local BannerTemplate = class('BannerTemplate')

function BannerTemplate:initialize(configObj) self._configObj = configObj end

function BannerTemplate:setImageFilename(filename, protectionObj, titleObj) if filename then self._imageFilename = filename return nil end

local action = protectionObj.action local level = protectionObj.level local expiry = protectionObj.expiry local namespace = titleObj.namespace -- Deal with special cases first. if (namespace == 10 or namespace == 828) -- Maybe we don't need the namespace check? and action == 'edit' and level == 'sysop' and not expiry then -- Fully protected modules and templates get the special red "indef" -- padlock. self._imageFilename = self._configObj:getMessage('image-filename-indef') return nil end

-- Deal with regular protection types. local images = self._configObj:getConfigTable('images') if images[action] then if images[action][level] then self._imageFilename = images[action][level] return nil elseif images[action].default then self._imageFilename = images[action].default return nil end end

return nil end

function BannerTemplate:setImageWidth(width) self._imageWidth = width end

function BannerTemplate:setImageTooltip(tooltip) self._imageCaption = tooltip end

function BannerTemplate:renderImage local filename = self._imageFilename or self._configObj:getMessage('image-filename-default') or 'Transparent.gif' return newFileLink(filename) :width(self._imageWidth or 20) :alt(self._imageAlt) :link(self._imageLink) :caption(self._imageCaption) :render end

function BannerTemplate:render -- Dummy method, to be implemented by the subclasses. return '' end

-- Banner class

local Banner = BannerTemplate:subclass('Banner')

function Banner:initialize(configObj) BannerTemplate.initialize(self, configObj) self:setImageWidth(40) end

function Banner:setReasonText(s) self._reasonText = s end

function Banner:setExplanationText(s) self._explanationText = s end

function Banner:render(page) -- Renders the banner. -- The page parameter specifies the page to generate the banner for, for -- testing purposes. mMessageBox = mMessageBox or require('Module:Message box') local reasonText = self._reasonText or error('no reason text set') local explanationText = self._explanationText local mbargs = { page = page, type = 'protection', image = self:renderImage, text = string.format(			"%s%s",			reasonText,			explanationText and ' ' .. explanationText or ''		) }	return mMessageBox.main('mbox', mbargs) end

-- Padlock class

local Padlock = BannerTemplate:subclass('Padlock')

function Padlock:initialize(configObj) BannerTemplate.initialize(self, configObj) self:setImageWidth(20) end

function Padlock:setImageAlt(alt) self._imageAlt = alt end

function Padlock:setImageLink(link) self._imageLink = link end

function Padlock:setRight(px) self._right = px end

function Padlock:render local root = mw.html.create('div') root :addClass('metadata topicon nopopups') :attr('id', 'protected-icon') :css{display = 'none', right = self._right or '55px'} :wikitext(self:renderImage) return tostring(root) end

-- Category class

local Category = class('Category')

function Category:initialize(configObj, protectionObj) self._configObj = configObj self._protectionObj = protectionObj end

function Category:setName(name) self._name = name end

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

-- ProtectionCategory class

local ProtectionCategory = Category:subclass('ProtectionCategory')

function ProtectionCategory:initialize(configObj, protectionObj, titleObj) Category.initialize(self, configObj, protectionObj) self._titleObj = titleObj end

function ProtectionCategory:render local configObj = self._configObj local protectionObj = self._protectionObj local titleObj = self._titleObj -- Get the level and exit if the page is not protected. if not protectionObj:isProtected then return '' end -- Get the expiry. local expiry = protectionObj.expiry if type(expiry) == 'number' then expiry = 'temp' elseif expiry ~= 'indef' then expiry = nil end

-- Get the namespace category key. local nskey do local namespace = titleObj.namespace local categoryNamespaces = configObj:getConfigTable('categoryNamespaceKeys') nskey = categoryNamespaces[namespace] if not nskey and namespace % 2 == 1 then nskey = 'talk' end end

-- Get the other inputs. local reason = protectionObj.reason local action = protectionObj.action local level = protectionObj.level --	-- Define the properties table. Each property is a table containing the	-- 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, val = expiry}, namespace = {order = 2, val = nskey}, reason   = {order = 3, val = reason}, level    = {order = 4, val = level}, action   = {order = 5, val = action} }	--	-- Apply the category order configuration, if any. The configuration value	-- will be a property string, e.g. 'reason', 'namespace', etc. 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 no configuration	-- value is specified then the canonical order is used.	-- local configOrder = {} do local reasonsWithNamespacePriority = configObj:getConfigTable('reasonsWithNamespacePriority') local namespaceFirst = reason and reasonsWithNamespacePriority[reason] or false for propertiesKey, t in pairs(properties) do			configOrder[t.order] = t		end if namespaceFirst then -- Swap namespace and reason around. local namespaceTable = table.remove(configOrder, 2) table.insert(configOrder, 3, namespaceTable) end end --	-- Define the attempt order. Properties with no value defined are moved	-- 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 noActive, attemptOrder do 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 noActive = #active attemptOrder = active for i, t in ipairs(inactive) do			attemptOrder[#attemptOrder + 1] = t		end end --	-- 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.	-- local cats = configObj:getConfigTable('protectionCategories') local cat for i = 1, 2^noActive do		local key = {} for j, t in ipairs(attemptOrder) do			if j > noActive then key[t.order] = 'all' else local quotient = i / 2 ^ (j - 1) quotient = math.ceil(quotient) if quotient % 2 == 1 then key[t.order] = t.val else key[t.order] = 'all' end end end key = table.concat(key, '-') local attempt = cats[key] if attempt then cat = attempt break end end if cat then self:setName(cat) end return Category.render(self) end

-- ExpiryCategory class

local ExpiryCategory = Category:subclass('ExpiryCategory')

function ExpiryCategory:render local reasonsWithoutExpiryCheck = self._configObj:getConfigTable('reasonsWithoutExpiryCheck') local expiryCheckActions = self._configObj:getConfigTable('expiryCheckActions') local expiry = self._protectionObj.expiry local action = self._protectionObj.action local reason = self._protectionObj.reason if not expiry and expiryCheckActions[action] and reason -- the old didn't check for expiry and not reasonsWithoutExpiryCheck[reason] then self:setName(configObj:getMessage('tracking-category-expiry')) end return Category.render(self) end

-- ErrorCategory class

local ErrorCategory = Category:subclass('ErrorCategory')

function ErrorCategory:render local configObj = self._configObj local protectionObj = self._protectionObj local expiry = protectionObj.expiry local action = protectionObj.action local level = protectionObj.level

if not protectionObj:isProtected or type(expiry) == 'number' and expiry < os.time then self:setName(configObj:getMessage('tracking-category-incorrect')) end return Category.render(self) end

-- TemplateCategory class

local TemplateCategory = Category:subclass('TemplateCategory')

function TemplateCategory:initialize(configObj, protectionObj, titleObj) Category.initialize(self, configObj, protectionObj) self._titleObj = titleObj end

function TemplateCategory:render local configObj = self._configObj local action = self._protectionObj.action local level = self._protectionObj.level local namespace = self._titleObj.namespace if level == 'templateeditor' and (			(action ~= 'edit' and action ~= 'move')			or (namespace ~= 10 and namespace ~= 828)		) then self:setName(configObj:getMessage('tracking-category-template')) end return Category.render(self) end

-- ProtectionBanner class

local ProtectionBanner = {}

function ProtectionBanner.exportToWiki(frame, titleObj) mArguments = mArguments or require('Module:Arguments') local args = mArguments.getArgs(frame) return ProtectionBanner.exportToLua(args, titleObj) end

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

-- Get data objects local configObj = Config:new local protectionObj = Protection:new(args, configObj, titleObj)

-- Initialise the blurb object local blurbObj = Blurb:new(configObj, protectionObj, titleObj) blurbObj:setDeletionDiscussionPage(args.xfd) blurbObj:setUsername(args.user) blurbObj:setSection(args.section)

local ret = {}

-- Render the banner if protectionObj:isProtected then -- Get the banner object local isPadlock = yesno(args.small) local bannerObj if isPadlock then bannerObj = Padlock:new(configObj) else bannerObj = Banner:new(configObj) end

-- Set the image fields local bannerConfig = configObj:getBannerConfig(protectionObj) bannerObj:setImageFilename(bannerConfig.image, protectionObj, titleObj) if isPadlock then bannerObj:setImageTooltip(blurbObj:makeTooltipText) bannerObj:setImageAlt(blurbObj:makeAltText) bannerObj:setImageLink(blurbObj:makeLinkText) else -- Large banners use the alt text for the tooltip. bannerObj:setImageTooltip(blurbObj:makeAltText) end

-- Set the text fields if not isPadlock then bannerObj:setReasonText(blurbObj:makeReasonText) bannerObj:setExplanationText(blurbObj:makeExplanationText) end

ret[#ret + 1] = bannerObj:render end -- Render the categories if yesno(args.category) ~= false then local objects = { ProtectionCategory:new(configObj, protectionObj, titleObj), ExpiryCategory:new(configObj, protectionObj), ErrorCategory:new(configObj, protectionObj), TemplateCategory:new(configObj, protectionObj, titleObj) }		for _, obj in ipairs(objects) do			ret[#ret + 1] = obj:render end end return table.concat(ret) end

function ProtectionBanner._exportClasses -- This is used to export the classes for testing purposes. return { Protection = Protection, Config = Config, Blurb = Blurb, BannerTemplate = BannerTemplate, Banner = Banner, Padlock = Padlock, Category = Category, ProtectionCategory = ProtectionCategory, ErrorCategory = ErrorCategory, ExpiryCategory = ExpiryCategory, } end

return ProtectionBanner