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Module:Official website
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local makeUrl = require('Module:URL')._url local p = {} -- Wrapper for pcall which returns nil on failure. local function quickPcall(func) local success, result = pcall(func) if success then return result end end -- Gets the rank for a Wikidata property table. Returns 1, 0 or -1, in -- order of rank. local function getRank(prop) local rank = prop.rank if rank == 'preferred' then return 1 elseif rank == 'normal' then return 0 elseif rank == 'deprecated' then return -1 else -- No rank or undefined rank is treated as "normal". return 0 end end -- Finds whether a Wikidata property is qualified as being in English. local function isEnglish(prop) local ret = quickPcall(function () for i, lang in ipairs(prop.qualifiers.P407) do if lang.datavalue.value['numeric-id'] == 1860 then return true end end return false end) return ret == true end -- Fetches the official website URL from Wikidata. local fetchWikidataUrl fetchWikidataUrl = function() -- Get objects for all official sites on Wikidata. local websites = quickPcall(function () return mw.wikibase.getAllStatements(mw.wikibase.getEntityIdForCurrentPage(), 'P856') end) -- Clone the objects in case other code needs them in their original order. websites = websites and mw.clone(websites) or {} -- Add the table index to the objects in case it is needed in the sort. for i, website in ipairs(websites) do website._index = i end -- Sort the websites, first by highest rank, and then by websites in the -- English language, then by the website's original position in the -- property list. When we are done, get the URL from the highest-sorted -- object. table.sort(websites, function(ws1, ws2) local r1 = getRank(ws1) local r2 = getRank(ws2) if r1 ~= r2 then return r1 > r2 end local e1 = isEnglish(ws1) local e2 = isEnglish(ws2) if e1 ~= e2 then return e1 end return ws1._index < ws2._index end) local url = quickPcall(function () return websites[1].mainsnak.datavalue.value end) -- Cache the result so that we only do the heavy lifting once per #invoke. fetchWikidataUrl = function () return url end return url end -- Render the URL link, plus other visible output. local function renderUrl(options) if not options.url and not options.wikidataurl then local qid = mw.wikibase.getEntityIdForCurrentPage() local result = '<strong class="error">' .. 'No URL found. Please specify a URL here or add one to Wikidata.' .. '</strong>' if qid then result = result.. ' [[File:OOjs UI icon edit-ltr-progressive.svg |frameless |text-top |10px |alt=Edit this at Wikidata |link=https://www.wikidata.org/wiki/' .. qid .. '#P856|Edit this at Wikidata]]' end return result end local ret = {} ret[#ret + 1] = string.format( '<span class="official-website">%s</span>', makeUrl(options.url or options.wikidataurl, options.display) ) if options.wikidataurl and not options.url then local qid = mw.wikibase.getEntityIdForCurrentPage() if qid then ret[#ret + 1] = '[[File:OOjs UI icon edit-ltr-progressive.svg |frameless |text-top |10px |alt=Edit this at Wikidata |link=https://www.wikidata.org/wiki/' .. qid .. '#P856|Edit this at Wikidata]]' end end if options.format == 'flash' then ret[#ret + 1] = mw.getCurrentFrame():expandTemplate{ title = 'Color', args = {'#505050', '(Requires [[Adobe Flash Player]])'} } end if options.mobile then ret[#ret + 1] = '(' .. makeUrl(options.mobile, 'Mobile') .. ')' end return table.concat(ret, ' ') end -- Render the tracking category. local function renderTrackingCategory(url, wikidataurl) if mw.title.getCurrentTitle().namespace ~= 0 then return '' end local category if not url and not wikidataurl then category = 'Official website missing URL' elseif not url and wikidataurl then return '' elseif url and wikidataurl then if url:gsub('/%s*$', '') ~= wikidataurl:gsub('/%s*$', '') then category = 'Official website different in Wikidata and Wikipedia' end else category = 'Official website not in Wikidata' end return category and string.format('[[Category:%s]]', category) or '' end function p._main(args) local url = args[1] or args.URL or args.url local wikidataurl = fetchWikidataUrl() local formattedUrl = renderUrl{ url = url, wikidataurl = wikidataurl, display = args[2] or args.name or 'Official website', format = args.format, mobile = args.mobile } return formattedUrl .. renderTrackingCategory(url, wikidataurl) end function p.main(frame) local args = require('Module:Arguments').getArgs(frame, { wrappers = 'Template:Official website' }) return p._main(args) end return p
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