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