# Module:Portal

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--[==[ This module is a Lua implementation of the old Template:Portal template. As of August 2013 it is used on nearly 5,000,000 articles. -- Please take care when updating it! It outputs two functions: p.portal, which generates a table of portals, and p.image, which -- produces the image name for an individual portal.

-- The portal image data is kept in submodules of Module:Portal/images, listed below: -- Module:Portal/images/آ - for portal names beginning with "آ". -- Module:Portal/images/ا - for portal names beginning with "ا". -- Module:Portal/images/ب - for portal names beginning with "ب". -- Module:Portal/images/پ - for portal names beginning with "پ". -- Module:Portal/images/ت - for portal names beginning with "ت". -- Module:Portal/images/ث - for portal names beginning with "ث". -- Module:Portal/images/ج - for portal names beginning with "ج". -- Module:Portal/images/چ - for portal names beginning with "چ". -- Module:Portal/images/ح - for portal names beginning with "ح". -- Module:Portal/images/خ - for portal names beginning with "خ". -- Module:Portal/images/د - for portal names beginning with "د". -- Module:Portal/images/ذ - for portal names beginning with "ذ". -- Module:Portal/images/ر - for portal names beginning with "ر". -- Module:Portal/images/ز - for portal names beginning with "ز". -- Module:Portal/images/ژ - for portal names beginning with "ژ". -- Module:Portal/images/س - for portal names beginning with "س". -- Module:Portal/images/ش - for portal names beginning with "ش". -- Module:Portal/images/ص - for portal names beginning with "ص". -- Module:Portal/images/ض - for portal names beginning with "ض". -- Module:Portal/images/ط - for portal names beginning with "ط". -- Module:Portal/images/ظ - for portal names beginning with "ظ". -- Module:Portal/images/ع - for portal names beginning with "ع". -- Module:Portal/images/غ - for portal names beginning with "غ". -- Module:Portal/images/ف - for portal names beginning with "ف". -- Module:Portal/images/ق - for portal names beginning with "ق". -- Module:Portal/images/ک - for portal names beginning with "ک". -- Module:Portal/images/گ - for portal names beginning with "گ". -- Module:Portal/images/ل - for portal names beginning with "ل". -- Module:Portal/images/م - for portal names beginning with "م". -- Module:Portal/images/ن - for portal names beginning with "ن". -- Module:Portal/images/و - for portal names beginning with "و". -- Module:Portal/images/ه - for portal names beginning with "ه". -- Module:Portal/images/ی - for portal names beginning with "ی". -- Module:Portal/images/دیگر - for portal names beginning with any other letters. This includes numbers, -- letters with diacritics, and letters in non-Latin alphabets. -- Module:Portal/images/مستعارها - for adding aliases for existing portal names. Use this page for variations -- in spelling and diacritics, etc., no matter what letter the portal begins with. -- -- The images data pages are separated by the first letter to reduce server load when images are added, changed, or removed. -- Previously all the images were on one data page at Module:Portal/images, but this had the disadvantage that all -- 5,000,000 pages using this module needed to be refreshed every time an image was added or removed. ]==]

local p = {}

local function matchImagePage(s) -- Finds the appropriate image subpage given a lower-case -- portal name plus the first letter of that portal name. if type(s) ~= 'string' or #s < 1 then return end local firstLetter = mw.ustring.sub(s, 1, 1) local imagePage -- برای شناسایی صفحات فارسی رجکس خط زیر تغییر کرده‌است. if mw.ustring.find(firstLetter, '^[اآبپتثجچحخدذرزژسشصضطظعغفقکگلمنوهی]') and mw.title.makeTitle(828, 'Portal/images/' .. firstLetter).exists then imagePage = 'Module:Portal/images/' .. firstLetter else imagePage = 'Module:Portal/images/دیگر' end return mw.loadData(imagePage)[s] end

local function getAlias(s) -- Gets an alias from the image alias data page. local aliasData = mw.loadData('Module:Portal/images/مستعارها') for portal, aliases in pairs(aliasData) do for _, alias in ipairs(aliases) do if alias == s then return portal end end end end

local function getImageName(s) -- Gets the image name for a given string. if type(s) ~= 'string' or #s < 1 then return 'Portal-puzzle.svg' end s = mw.ustring.lower(s) return matchImagePage(s) or matchImagePage(getAlias(s)) or 'Portal-puzzle.svg' end

function p._portal(portals, args) -- This function builds the portal box used by the Template:Portal template. local root = mw.html.create('div') :addClass('noprint portal') :addClass(args.right and 'tright' or 'tleft') :css('border', 'solid #a2a9b1 1px') :css('margin', args.margin or (args.right == 'yes' and '0.5em 0 0.5em 1en') or '0.5em 1em 0.5em 0') :newline()

-- Start the table. This corresponds to the start of the wikitext table in the old Template:Portal. local tableroot = root:tag('table') :css('background', '#f8f9fa') :css('font-size', '85%') :css('line-height', '110%') :css('max-width', '175px') :css('width', type(args.boxsize) == 'string' and (args.boxsize .. 'px') or nil)

-- If no portals have been specified, display an error and add the page to a tracking category. if not portals[1] then tableroot:wikitext('هیچ درگاهی تعیین نشده‌است: لطفاً دست کم یک درگاه تعیین کنید رده:الگو:درگاه بدون پارامتر') end

-- Display the portals specified in the positional arguments. for _, portal in ipairs(portals) do local image = getImageName(portal)

-- Generate the html for the image and the portal name. tableroot :newline() :tag('tr') :css('vertical-align', 'middle') :tag('td') :css('text-align', 'center') :wikitext(string.format('نشان درگاه', image)) :done() :tag('td') :css('padding', '0 0.2em') :css('vertical-align', 'middle') :css('font-style', 'italic') :css('font-weight', 'bold') :wikitext(string.format('درگاه %s%s', portal, portal, args['break'] and '
' or ' ')) end return tostring(root) end

function p._image(portals)

-- Wrapper function to allow getImageName() to be accessed through #invoke. return getImageName(portals[1]) end

local function getAllImageTables() -- Returns an array containing all image subpages (minus aliases) as loaded by mw.loadData. local images = {} for i, subpage in ipairs{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'other'} do images[i] = mw.loadData('Module:Portal/images/' .. subpage) end return images end

function p._displayAll(portals, args) -- This function displays all portals that have portal images. This function is for maintenance purposes and should not be used in -- articles, for two reasons: 1) there are over 1500 portals with portal images, and 2) the module doesn't record how the portal -- names are capitalized, so the portal links may be broken. local lang = mw.language.getContentLanguage() local count = 1 for _, imageTable in ipairs(getAllImageTables()) do for portal in pairs(imageTable) do portals[count] = lang:ucfirst(portal) count = count + 1 end end return p._portal(portals, args) end

function p._imageDupes() -- This function searches the image subpages to find duplicate images. If duplicate images exist, it is not necessarily a bad thing, -- as different portals might just happen to choose the same image. However, this function is helpful in identifying images that -- should be moved to a portal alias for ease of maintenance. local exists, dupes = {}, {} for _, imageTable in ipairs(getAllImageTables()) do for portal, image in pairs(imageTable) do if not exists[image] then exists[image] = portal else table.insert(dupes, string.format('تصویر «%s» برای دو درگاه «%s» و «%s» استفاده شده است.', image, image, exists[image], portal)) end end end if #dupes < 1 then return 'تصاویر یکسان یافت نشد.' else return 'تصاویر یکسان روبرو یافت شد:\n* ' .. table.concat(dupes, '\n* ') end end

local function processPortalArgs(args) -- This function processes a table of arguments and returns two tables: an array of portal names for processing by ipairs, and a table of -- the named arguments that specify style options, etc. We need to use ipairs because we want to list all the portals in the order -- they were passed to the template, but we also want to be able to deal with positional arguments passed explicitly, for example -- Template:Portal. The behaviour of ipairs is undefined if nil values are present, so we need to make sure they are all removed. args = type(args) == 'table' and args or {} local portals = {} local namedArgs = {} for k, v in pairs(args) do if type(k) == 'number' and type(v) == 'string' then -- Make sure we have no non-string portal names. table.insert(portals, k) elseif type(k) ~= 'number' then namedArgs[k] = v end end table.sort(portals) for i, v in ipairs(portals) do portals[i] = args[v] end return portals, namedArgs end

local function makeWrapper(funcName) -- Processes external arguments and sends them to the other functions. return function (frame) -- If called via #invoke, use the args passed into the invoking -- template, or the args passed to #invoke if any exist. Otherwise -- assume args are being passed directly in from the debug console -- or from another Lua module. local origArgs if type(frame.getParent) == 'function' then origArgs = frame:getParent().args for k, v in pairs(frame.args) do origArgs = frame.args break end else origArgs = frame end -- Trim whitespace and remove blank arguments. local args = {} for k, v in pairs(origArgs) do if type(v) == 'string' then v = mw.text.trim(v) end if v ~= then args[k] = v end end return p[funcName](processPortalArgs(args)) -- passes two tables to func: an array of portal names, and a table of named arguments. end end

for _, funcName in ipairs{'portal', 'image', 'imageDupes', 'displayAll'} do p[funcName] = makeWrapper('_' .. funcName) end

return p

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