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 mFileLink = require('Module:File link') local mProtectionLevel = require('Module:Effective protection level') 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 local data = mw.loadData('Module:Protection banner/config') self._cfg = data.cfg self._msg = data.msg self._bannerConfigTables = {} end

function Config:getBannerConfig(protectionStatusObj) if self._bannerConfigTables[protectionStatusObj] then return self._bannerConfigTables[protectionStatusObj] else local ret = {} local cfg = self._cfg local action = protectionStatusObj:getAction local level = protectionStatusObj:getLevel local reason = protectionStatusObj:getReason local fields = { 'text', 'explanation', 'tooltip', 'alt', 'image', 'categoryOrder', 'categoryReason' }		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 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[protectionStatusObj] = ret return ret end end

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

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

-- ProtectionStatus class

local ProtectionStatus = class('ProtectionStatus')

function ProtectionStatus: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 = 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

-- 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 other params self._reason = args.reason self._protectionDate = validateDate(args.date, 'protection date') 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

function ProtectionStatus:getProtectionDate return self._protectionDate end

-- Blurb class

local Blurb = class('Blurb')

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

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 M, YYYY format. local date = os.date('%e %B %Y', num) -- The %e option replaces leading zeroes with spaces, but we don't want -- spaces. date = date:gsub('^ ', '') return date end

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:_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[1] = self._makeIntroParameter parameterFuncs[2] = self._makeUntilParameter parameterFuncs[3] = self._makeDisputesParameter parameterFuncs[4] = self._makePagetypeParameter parameterFuncs[5] = self._makeProtectionDateParameter parameterFuncs[6] = self._makeVandalTemplateParameter parameterFuncs[7] = self._makeProtectionLevelParameter parameterFuncs[8] = self._makeExpiryParameter parameterFuncs[9] = self._makeDisputeLinkParameter -- A link to the page history or the move log parameterFuncs[10] = self._makeProtectionLogParameter parameterFuncs[11] = self._makeTalkLinkParameter parameterFuncs[12] = self._makeEditRequestParameter parameterFuncs[13] = self._makeRequestUnprotectionParameter parameterFuncs[14] = self._makeSubjectPageLinksParameter -- Adds links to edit requests and the talk page if we are on a subject page parameterFuncs[15] = self._makeDeletionBlurbParameter parameterFuncs[16] = self._makeDeletionDiscussionLinkParameter parameterFuncs[17] = self._makeDeletionLogParameter parameterFuncs[18] = self._makeExplanationTextParameter self._params = params end

local function getParameter(match) match = tonumber(match) return self._params[match] end

msg = msg:gsub('$([1-9][0-9]*)', getParameter) return msg end

function Blurb:_makeIntroParameter -- parameter $1 local key local action = self._protectionStatusObj:getAction local level = self._protectionStatusObj:getLevel if action == 'edit' and level == 'autoconfirmed' then key = 'reason-text-semi' elseif action == 'move' then key = 'reason-text-move' elseif action == 'create' then key = 'reason-text-create' else key = 'reason-text-default' end local msg = self._configObj:getMessage(key) return self:_substituteParameters(msg) end

function Blurb:_makeUntilParameter -- parameter $2 -- "until" or "or until" depending on the expiry local expiry = self._protectionStatusObj:getExpiry if expiry then return 'or until' else return 'until' end end

function Blurb:_makeDisputesParameter -- parameter $3 -- "disputes", with or without a section link local section = self._section local disputes = self.configObj:getMessage('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:_makePagetypeParameter -- parameter $4 local pagetypes = self._configObj:getConfigTable('bannerPagetypes') local namespace = self._titleObj.namespace return pagetypes[namespace] or pagetypes.default or 'page' end

function Blurb:_makeProtectionDateParameter -- parameter $5 local protectionDate = self._protectionStatusObj:getProtectionDate if type(protectionDate) == 'number' then return Blurb.formatDate(protectionDate) else return protectionDate end end

function Blurb:_makeVandalTemplateParameter -- parameter $6 local mVandalM = require('Module:Vandal-m') local username = self._username username = username or self._titleObj.baseText return mVandalM.luaMain{username} end

function Blurb:_makeProtectionLevelParameter -- parameter $7 local action = self._protectionStatusObj:getAction local level = self._protectionStatusObj:getLevel local key if action == 'edit' then if level == 'sysop' then key = 'protection-level-full' elseif level == 'templateeditor' then key = 'protection-level-template' elseif level == 'autoconfirmed' then key = 'protection-level-semi' end elseif action == 'move' then key = 'protection-level-move' elseif action == 'create' then key = 'protection-level-create' else key = 'protection-level-default' end return self._configObj:getMessage(key) end

function Blurb:_makeExpiryParameter -- parameter $8 -- @TODO: Check to see if the expiry is valid. local expiry = self._protectionStatusObj:getExpiry if expiry == 'indef' then return nil elseif type(expiry) == 'number' then local formatted = Blurb.formatDate(expiry) return ' until ' .. formatted elseif expiry then -- Expiry is an error string. return expiry end end

function Blurb:_makeDisputeLinkParameter -- parameter $9 -- A link to the page history or the move log, depending on the kind of -- protection. local action = self._protectionStatusObj:getAction 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._configObj:getMessage('dispute-move-link-display')		) else -- We need the history link. return self.makeFullUrl(			pagename,			{action = 'history'},			self._configObj:getMessage('dispute-edit-link-display')		) end end

function Blurb:_makeProtectionLogParameter -- parameter $10 local action = self._protectionStatusObj:getAction if action == 'autoreview' then -- We need the pending changes log. return self.makeFullUrl(			'Special:Log',			{type = 'stable', page = pagename},			self._configObj:getMessage('more-details-pc-log-display')		) else -- We need the protection log. return self.makeFullUrl(			'Special:Log',			{type = 'protect', page = pagename},			self._configObj:getMessage('more-details-protection-log-display')		) end end

function Blurb:_makeTalkLinkParameter -- parameter $11 local section = self._section local display = self._configObj:getMessage('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:_makeEditRequestParameter -- parameter $12 local mEditRequest = require('Module:Submit an edit request') local action = self._protectionStatusObj:getAction local level = self._protectionStatusObj:getLevel -- 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._configObj:getMessage(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:_makeRequestUnprotectionParameter -- parameter $13 if self._titleObj.namespace ~= 8 then -- MediaWiki pages can't be unprotected. return self._configObj:getMessage('request-unprotection-blurb') end end

function Blurb:_makeSubjectPageLinksParameter -- parameter $14 -- Don't display these links if we are on a talk page. if not self._titleObj.isTalkPage then local msg = self._config:getMessage('semi-subject-page-links') return self._substituteParameters(msg) end end

function Blurb:_makeDeletionBlurbParameter -- parameter $15 local deletionDiscussionPage = self._deletionDiscussionPage local key if deletionDiscussionPage then key = 'deletion-discussion-blurb-xfd' else key = 'deletion-discussion-blurb-noxfd' end local msg = self._configObj:getMessage(msg) return self._substituteParameters(msg) end

function Blurb:_makeDeletionDiscussionLinkParameter -- parameter $16 local deletionDiscussionPage = self._deletionDiscussionPage if deletionDiscussionPage then local display = self._configObj:getMessage('deletion-discussion-link-display') return string.format('%s', deletionDiscussionPage, display) end end

function Blurb:_makeDeletionLogParameter -- parameter $17 return Blurb.makeFullUrl(		'Special:Log',		{type = 'delete', page = self._titleObj.prefixedText},		self._configObj:getMessage('deletion-log-link-display')	) end

function Blurb:_makeExplanationTextParameter -- parameter $18 local action = self._protectionStatusObj:getAction local level = self._protectionStatusObj:getLevel local key if action == 'edit' and level == 'autoconfirmed' then key = 'explanation-text-semi' elseif action == 'move' then key = 'explanation-text-move' elseif action == 'create' then key = 'explanation-text-create' else key = 'explanation-text-default' end local msg = self._configObj:getMessage(key) return self:_substituteParameters(msg) end

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

-- BannerTemplate class

local BannerTemplate = class('BannerTemplate')

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

function BannerTemplate:setImageFilename(filename, action, level, namespace, expiry) if filename then self._imageFilename = filename return nil end if not action or not level then -- If the filename is not specified, we need the action and the level -- to find the image name. The namespace and the expiry are optional, -- however. return nil end -- 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:setImageAlt(alt) self._imageAlt = alt end

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

function BannerTemplate:setImageCaption(caption) self._imageCaption = caption end

function BannerTemplate:renderImage local filename = self._filename or self._configObj:getMessage('image-filename-default') or 'Transparent.gif' return mFileLink.new(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 self:setImageWidth(40) end

-- Padlock class

local Padlock = BannerTemplate:subclass('Padlock')

function Padlock:initialize self:setImageWidth(20) end

-- Category class

local Category = class('Category')

function Category:initialize end

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

function ProtectionCategory:setName(		name,		configObj,		protectionStatusObj,		namespace	) --	-- Sets the protection category. If a category name is not provided, this	-- method gets a category name from the module config, given a combination	-- of the protection type, the protection level, the namespace number, the	-- reason for protection, and the expiry date.	-- -- If a name was provided, use that. if name then Category.setName(self, name) end -- Get the namespace category key from the namespace number. local nskey do local categoryNamespaces = configObj:getConfigTable('categoryNamespaces') if not namespace or type(namespace) ~= 'number' then nskey = nil else nskey = categoryNamespaces[ns] if not nskey and ns % 2 == 1 then nskey = 'talk' end end end --	-- 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, keypos = 5, val = protectionStatusObj:getExpiry}, namespace = {order = 2, keypos = 3, val = nskey}, reason = {order = 3, keypos = 4, val = protectionStatusObj:getReason}, level = {order = 4, keypos = 2, val = protectionStatusObj:getLevel}, action = {order = 5, keypos = 1, val = protectionStatusObj:getAction} }	--	-- 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 bannerConfig = configObj:getBannerConfig(protectionStatusObj) local categoryOrder = bannerConfig.categoryOrder for propertiesKey, t in pairs(properties) do			configOrder[t.order] = t		end if categoryOrder 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 table.insert(configOrder, table.remove(configOrder, property.order)) 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('categories') local cat 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 cat = attempt break end end if cat then Category.setName(self, cat) else error(			'No category match found;'			.. ' please define the category for key "all-all-all-all-all"'		) end end

-- ExpiryCategory class

local ExpiryCategory = Category:subclass('ExpiryCategory')

-- ErrorCategory class

local ErrorCategory = Category:subclass('ErrorCategory')

-- ProtectionBanner class

local ProtectionBanner = {}

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

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

-- Get data objects local theConfig = Config:new local theProtectionStatus = ProtectionStatus:new(args, theConfig, title)

local ret = {}

-- Render the banner local theBanner if yesno(args.small) then theBanner = Padlock.new(theConfig, theProtectionStatus, title) else theBanner = Banner.new(theConfig, theProtectionStatus, title) end theBanner = Padlock.new(theConfig, theProtectionStatus, title) theBanner:setDeletionDiscussionPage(args.xfd) theBanner:setUsername(args.user) theBanner:setSection(args.section) ret[#ret + 1] = theBanner:render -- Render the categories

return table.concat(ret) end

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

return ProtectionBanner