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Module:Sister project links

From Wikiquote

Documentation for this module may be created at Module:Sister project links/doc 

-- Module to create sister project link box
local getArgs = require('Module:Arguments').getArgs
local commonsLink = require('Module:Commons link')
local p = {}

-- Function to canonicalize string
-- search for variants of "yes", and "no", and transform
-- them into a standard form (like [[Template:YesNo]])
-- Argument:
--   s --- input string
-- Result:
--  {x,y} list of length 2
--    x = nil if s is canonicalized, otherwise has trimmed s
--    y = canonical form of s (true if "yes" or other, false if "no", nil if blank)
local function canonicalize(s)
	if s == nil then
		return {nil, nil}
	end
	s = mw.text.trim(tostring(s))
	if s == "" then
		return {nil, nil}
	end
	lowerS = s:lower()
	-- Check for various forms of "yes"
	if lowerS == 'yes' or lowerS == 'y' or lowerS == 't' 
	      or lowerS == '1' or lowerS == 'true' or lowerS == 'on' then
		return {nil, true}
	end
    -- Check for various forms of "no"
	if lowerS == 'no' or lowerS == 'n' or lowerS == 'f' 
	       or lowerS == '0' or lowerS == 'false' or lowerS == 'off'then
		return {nil, false}
	end
    -- Neither yes nor no recognized, leave string trimmed
	return {s, true}
end

-- Merge two or more canonicalized argument lists
-- Arguments:
--  argList = list of canonicalized arguments
--  noAll = if true, return no when all argList is no.
--          otherwise, return blank when all argList is blank
local function mergeArgs(argList,noAll)
	local test = nil -- default, return blank if all blank
	if noAll then
		test = false -- return no if all no
	end
	local allSame = true
	-- Search through string for first non-no or non-blank
	for _, arg in ipairs(argList) do
		if arg[2] then
			return arg -- found non-no and non-blank, return it
		end
		-- test to see if argList is all blank / no
		allSame = allSame and (arg[2] == test)
	end
	-- if all blank / no, return blank / no
	if allSame then
		return {nil, test} -- all match no/blank, return it
	end
	-- otherwise, return no / blank
	if noAll then
		return {nil, nil}
	end
	return {nil, false}
end
		
-- Function to get sitelink for a wiki
-- Arguments:
--   wiki = db name of wiki to lookup
--   qid = QID of entity to search for, current page entity by default
local function getSitelink(wiki,qid)
	qid = qid or mw.wikibase.getEntityIdForCurrentPage()
	qid = qid and qid:upper()
	-- return nil if some sort of lookup failure
	return qid and mw.wikibase.getSitelink(qid,wiki)
end

local wdMismatch = nil
local wdNamespace = nil
local wdHidden = nil
local defaultSearch = nil

-- Function to generate the sister link itself
-- Arguments:
--  args = argument table for function
--     args[1] = canonicalized page to fetch
--     args.default = link when blank
--     args.auto = new auto mode (don't fall back to search)
--     args.sitelink = wikidata sitelink (if available)
--     args.sisterDbName = DB name of sister site (to get sitelink)
--     args.qid = QID of entity
--     args.search = fallback string to search for
--     args.sisterPrefix = wikitext prefix for sister site
--     args.information = type of info sister site contains
--     args.sisterName = friendly human name of sister site
function p._sisterLink(args)
	if args[1][2] == false or (not args.default and args[1][2] == nil) then
		return nil --- either editor specified "no", or "blank" (and default=no), then skip this sister
	end
	local sitelink = args.sitelink or (args.sisterDbName and getSitelink(args.sisterDbName,args.qid))
	if args.auto and not sitelink and args[1][2] == nil then
		return nil --- in auto mode, if link is blank and no sitelink, then skip
	end
	-- fallback order of sister link: first specified page, then wikidata, then search
	local link = args[1][1] or sitelink or (args.search and "Special:"..args.search)
	if not link then
		return nil --- no link found, just skip
	end
	-- update state for tracking categories
	if args[1][1] and sitelink then
		-- transform supplied page name to be in wiki-format
		local page = mw.ustring.gsub(args[1][1],"_"," ")
		page = mw.ustring.sub(page,1,1):upper()..mw.ustring.sub(page,2)
		local pageNS = mw.ustring.match(page,"^([^:]+):")
		local sitelinkNS = mw.ustring.match(sitelink,"^([^:]+):")
		if page == sitelink then
			wdHidden = args.sisterPrefix
		elseif pageNS ~= sitelinkNS then
			wdNamespace = args.sisterPrefix
		else
			wdMismatch = args.sisterPrefix
		end
	-- if no page link, nor a wikidata entry, and search is on, then warn
	elseif not (args[1][2] or sitelink) and args.search then
		defaultSearch = args.sisterPrefix
	end
	return "[["..args.sisterPrefix..":"..link.."|"..args.information .."]] from "..args.sisterName
end

-- Function to generate HTML for one sister link
-- Arguments:
--  container = parent HTML object
--  args = argument table for function
--     args[1] = canonicalized page to fetch
--     args.default = link when blank
--     args.auto = new auto mode (don't fall back to search)
--     args.sitelink = wikidata sitelink (if available)
--     args.sisterDbName = DB name of sister site (to get sitelink)
--     args.qid = QID of entity (for debugging)
--     args.search = fallback string to search for
--     args.logo = filename of sister logo (no namespace)
--     args.sisterPrefix = wikitext prefix for sister site
--     args.information = type of info sister site contains
--     args.sisterName = friendly human name of sister site
local function oneSister(container,args)
	local link = p._sisterLink(args)
	if not link then
		return nil
	end
	local li = container and container:tag('li') or mw.html.create('li')
	li:css("min-height","31px")
	-- html element for 27px-high logo
	local logo = li:tag('span')
	logo:css("display","inline-block")
	logo:css("width","31px")
	logo:css("line-height","31px")
	logo:css("vertical-align","middle")
	logo:css("text-align","center")
	logo:wikitext("[[File:"..args.logo.."|27x27px|middle|link=|alt=]]")
	-- html element for link
	local linkspan = li:tag('span')
	linkspan:css("display","inline-block")
	linkspan:css("margin-left","4px")
	linkspan:css("width","182px")
	linkspan:css("vertical-align","middle")
	linkspan:wikitext(link)
	return li
end

-- Function to create html containers for sister project link list
-- Arguments:
--   args = table of arguments
--      args.position: if 'left', position links to left
--      args.collapsible: if non-empty, make box collapsible. If 'collapse', start box hidden
--      args.style: CSS style string appended to end of default CSS
--      args.display: boldface name to display
local function createContainer(args)
	-- Outermost div (css from previous version of [[Template:Project sister links]])
	local container = mw.html.create('div')
	container:attr("role","navigation")
	container:attr("aria-labelledby","sister-projects")
	container:addClass("metadata")
	container:addClass("plainlinks")
	container:addClass("sistersitebox")
	container:addClass("plainlist")
	if args.position and args.position:lower() == "left" then
		container:addClass("mbox-small-left")
		container:css("clear: left; float: left; margin: 4px 0 4px 1em; box-sizing: border-box; width: 238px; font-size: 88%; line-height", "1.25em")
	else
		container:addClass("mbox-small")
		container:css("clear: right; float: right; margin: 4px 0 4px 1em; box-sizing: border-box; width: 238px; font-size: 88%; line-height", "1.25em")
	end
	if args.collapsible then
		container:addClass("mw-collapsible")
		if args.collapsible == "collapsed" then
			container:addClass("mw-collapsed")
		end
	end
	container:css("border","1px solid #aaa")
	container:css("padding",0)
	container:css("background","#f9f9f9")
	container:cssText(args.style)
	-- Div for text header
	local header = container:tag('div')
	header:css("clear",args.collapsible and "both")
	header:css("padding","0.75em 0")
	header:css("text-align","center")
	-- pagename in bold as part of header
	local pagename = header:tag('b')
	pagename:css("display","block")
	pagename:wikitext(args.display or args[1])
	local headerText = "at Wikiquotes's [[Wikipedia:Wikimedia sister projects|"
	headerText = headerText..'<span id="sister-projects">sister projects</span>]]'
	header:wikitext(headerText)
	-- start the unordered list element here
	local ul = container:tag('ul')
	ul:addClass(args.collapsible and "mw-collapsible-content")
	ul:css("border-top","1px solid #aaa")
	ul:css("padding","0.75em 0")
	ul:css("width","217px")
	ul:css("margin","0 auto")
	-- pass ul element back to main, so sister links can be added
	return ul
end

function p._main(args)
	local titleObject = mw.title.getCurrentTitle()
	-- Default title/search string is PAGENAME
	args[1] = args[1] or titleObject.text
	-- Canonicalize all sister links (handle yes/no/empty)
	for _, k in pairs({"wikt","c","w","commons","n","q","s","b","voy",
		                "v","d","species","species_author","m","mw"}) do
		args[k] = canonicalize(args[k])
    end
    -- Canonicalize general parameters
    for _,k in pairs({"auto","commonscat","author"}) do
    	args[k] = canonicalize(args[k])[2]
    end
    -- Fill in args.qid with current qid (if available)
    args.qid = args.qid or mw.wikibase.getEntityIdForCurrentPage()
	args.qid = args.qid and args.qid:upper()
	-- Initialize tracking categories to "no track"
    wdMismatch = nil
    wdNamespace = nil
    wdHidden = nil
    defaultSearch = nil
	local ul = createContainer(args)
	-- WIKIPEDIA
	oneSister(ul,{args.w,auto=args.auto,qid=args.qid,default=true,
					 logo="Wikipedia-logo.svg",sisterPrefix="w",search="Search/"..args[1],
					 information="Information",sisterName="Wikipedia",sisterDbName="enwikipedia"})
	-- WIKTIONARY
	oneSister(ul,{args.wikt,auto=args.auto,qid=args.qid,default=true,
		             logo="Wiktionary-logo-v2.svg",sisterPrefix="wikt",
		             search="Search/"..args[1],information="Definitions",
		             sisterName="Wiktionary",sisterDbName="enwiktionary"})
    -- COMMONS
    --     use [[Module:Commons link]] to determine best commons link
	local cLink = (not args.commonscat) and commonsLink._hasGallery(args.qid)
	                 or commonsLink._hasCategory(args.qid)
	local commonsPage = mergeArgs({args.c,args.commons})
	if commonsPage[1] and not mw.ustring.match(commonsPage[1]:lower(),"^category:") then
		commonsPage[1] = (args.commonscat and "Category:" or "")..commonsPage[1]
	end
	local commonsSearch = "Search/"..(args.commonscat and "Category:" or "")..args[1]
	oneSister(ul,{commonsPage,auto=args.auto,qid=args.qid,
					 default=true,sitelink=cLink,logo="Commons-logo.svg",
					 sisterPrefix="c",search=commonsSearch,information="Media",
					 sisterName="Wikimedia Commons"})
	-- WIKINEWS
	oneSister(ul,{args.n,auto=args.auto,qid=args.qid,default=true,
					 logo="Wikinews-logo.svg",sisterPrefix="n",search="Search/"..args[1],
					 information="News",sisterName="Wikinews",sisterDbName="enwikinews"})
	-- WIKISOURCE
	if args.author and args.s[1] then
		args.s[1] = "Author:"..args.s[1]
	end
	oneSister(ul,{args.s,auto=args.auto,qid=args.qid,default=true,
					 logo="Wikisource-logo.svg",sisterPrefix="s",search="Search/"..args[1],
					 information="Texts",sisterName="Wikisource",sisterDbName="enwikisource"})
	-- WIKIBOOKS
	oneSister(ul,{args.b,auto=args.auto,qid=args.qid,default=true,
		             logo="Wikibooks-logo.svg",sisterPrefix="b",search="Search/"..args[1],
		             information="Textbooks",sisterName="Wikibooks",sisterDbName="enwikibooks"})
    -- WIKIVOYAGE
    -- Information="guide" when we can be assured that search cannot be called
    local voyInfo = (args.voy[1] or args.voy[2] == nil) and "guide" or "information"
    oneSister(ul,{args.voy,auto=args.auto,qid=args.qid,default=args.auto,
    	             logo="Wikivoyage-Logo-v3-icon.svg",sisterPrefix="voy",search="Search/"..args[1],
    	             information="Travel "..voyInfo,sisterName="Wikivoyage",sisterDbName="enwikivoyage"})
    -- WIKIVERSITY
    oneSister(ul,{args.v,auto=args.auto,qid=args.qid,default=true,
    	             logo="Wikiversity logo 2017.svg",sisterPrefix="v",search="Search/"..args[1],
    	             information="Resources",sisterName="Wikiversity",sisterDbName="enwikiversity"})
    -- WIKIDATA
    oneSister(ul,{args.d,qid=args.qid,default=false,logo="Wikidata-logo.svg",sisterPrefix="d",
    	             sitelink=args.qid,search="ItemByTitle/enwiki/"..args[1],information="Data",sisterName="Wikidata"})
    -- WIKISPECIES
    oneSister(ul,{mergeArgs({args.species,args.species_author},1),auto=args.auto,
    	             qid=args.qid,default=args.auto,logo="Wikispecies-logo.svg",
    	             sisterPrefix="species",search="Search/"..args[1],
    	             information=(args.species[2] and "Taxonomy")
    	                          or (args.species_author[2] and "Species author") 
    	                          or "Taxonomy",
    	             sisterName="Wikispecies",sisterDbName="specieswiki"})
    if args.species[2] and args.species_author[1] then 
    	-- If species_author is explicitly defined, and species is used, then make second row
    	oneSister(ul,{args.species_author,auto=args.auto,qid=args.qid,
    		             default=args.auto,logo="Wikispecies-logo.svg",
    	                 sisterPrefix="species",search="Search/"..args[1],
    	                 information="Species author",sisterName="Wikispecies"})
    end
    -- META
    oneSister(ul,{args.m,qid=args.qid,default=false,logo="Wikimedia Community Logo.svg",
    	             sisterPrefix="m",search="Search/"..args[1],information="Discussion",sisterName="Meta-Wiki"})
    -- MEDIAWIKI
    oneSister(ul,{args.mw,qid=args.qid,default=false,logo="MediaWiki-logo.svg",
    	             sisterPrefix="mw",search="Search/"..args[1],information="Documentation",sisterName="MediaWiki"})
	local container = ul:allDone()
	-- Append tracking categories to container div
	-- Alpha ordering is by sister prefix
	if titleObject.namespace == 0 then
		local trackingCats = wdMismatch and "[[Category:Pages using Sister project links with wikidata mismatch|"..wdMismatch.."]]" or ""
		trackingCats = trackingCats..(wdNamespace and "[[Category:Pages using Sister project links with wikidata namespace mismatch|"..wdNamespace.."]]" or "")
		trackingCats = trackingCats..(wdHidden and "[[Category:Pages using Sister project links with hidden wikidata|"..wdHidden.."]]" or "")
		trackingCats = trackingCats..(defaultSearch and "[[Category:Pages using Sister project links with default search|"..defaultSearch.."]]" or "")
	    container:wikitext(trackingCats)
	end
	return container
end

-- Main entry point for generating sister project links box
function p.main(frame)
	local args = getArgs(frame,{frameOnly=false,parentOnly=false,parentFirst=false})
	return tostring(p._main(args))
end

-- Entry point for generating one sister link
function p.link(frame)
	local args = getArgs(frame,{frameOnly=false,parentOnly=false,parentFirst=false})
	args[1] = canonicalize(args[1])
	args.auto = canonicalize(args.auto)[2]
	return p._sisterLink(args)
end

return p
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