Module:Sister project links

From Safer nicotine wiki

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

require('Module:No globals')

-- Module to create sister project link box
local getArgs = require('Module:Arguments').getArgs
local commonsLink = require('Module:Commons link')
local sideBox = require('Module:Side box')._main
local generateWarning = require('Module:If preview')._warning
local p = {}

local logo = {
	wikt="Wiktionary-logo-v2.svg",
	c="Commons-logo.svg",
	n="Wikinews-logo.svg",
	q="Wikiquote-logo.svg",
	s="Wikisource-logo.svg",
	b="Wikibooks-logo.svg",
	voy="Wikivoyage-Logo-v3-icon.svg",
	v="Wikiversity logo 2017.svg",
	d="Wikidata-logo.svg",
	species="Wikispecies-logo.svg",
	m="Wikimedia Community Logo.svg",
	mw="MediaWiki-2020-icon.svg"}

local prefixList = {'wikt', 'c', 'n', 'q', 's', 'b', 'voy', 'v', 'd',
	'species', 'species_author', 'm', 'mw'}

local sisterName = {
	wikt="Wiktionary",
	c="Commons",
	n="Wikinews",
	q="Wikiquote",
	s="Wikisource",
	b="Wikibooks",
	voy="Wikivoyage",
	v="Wikiversity",
	d="Wikidata",
	species="Wikispecies",
	m="Meta-Wiki",
	mw="MediaWiki"}

local sisterInfo = {
	wikt="Definitions",
	c="Media",
	n="News",
	q="Quotations",
	s="Texts",
	b="Textbooks",
	voy="Travel guides",
	v="Resources",
	d="Data",
	species="Taxa",
	species_author="Authorship",
	m="Discussions",
	mw="Documentation"
}

local defaultSisters = {
	wikt=true,
	c=true,
	n=true,
	q=true,
	s=true,
	b=true,
	voy='auto',
	v=true,
	d=false,
	species='auto',
	species_author=false,
	m=false,
	mw=false
}

local sisterDb = {	
	wikt="enwiktionary",
	n="enwikinews",
	q="enwikiquote",
	s="enwikisource",
	b="enwikibooks",
	voy="enwikivoyage",
	v="enwikiversity",
	species="specieswiki"}

local trackingType = {
	wdMismatch="Pages using Sister project links with wikidata mismatch",
	wdNamespace="Pages using Sister project links with wikidata namespace mismatch",
	wdHidden="Pages using Sister project links with hidden wikidata",
	defaultSearch="Pages using Sister project links with default search"}

-- Function to add "-sand" to classes when called from sandbox
local function sandbox(args, s)
	return args.sandbox and s.."-sand" or s
end

-- 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
	-- if s is table/list, then assume already canonicalized and return unchanged
	if tostring(type(s)) == "table" then
		return s
	end
	s = mw.text.trim(tostring(s))
	if s == "" then
		return {nil, nil}
	end
	local 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)
	-- return nil if some sort of lookup failure
	return qid and mw.wikibase.getSitelink(qid,wiki)
end


-- Function to generate the sister link itself
-- Arguments:
--  args = argument table for function
--     args[1] = 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.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
--  tracking = tracking table
local function genSisterLink(args, tracking)
	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 sisterDbName = sisterDb[args.sisterPrefix]
	local sitelink = args.sitelink or (sisterDbName and getSitelink(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
	if tracking then
		-- 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
				tracking.wdHidden = args.sisterPrefix
			elseif pageNS ~= sitelinkNS then
				tracking.wdNamespace = args.sisterPrefix
			else
				tracking.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
			tracking.defaultSearch = args.sisterPrefix
		end
	end
	return {prefix=args.sisterPrefix, link=link, information=args.information}
end

local function commonsLinks(args, commonsPage)
	-- use [[Module:Commons link]] to determine best commons link
	local cLink = (not args.commonscat) and commonsLink._hasGallery(args.qid)
	                 or commonsLink._hasCategory(args.qid)
	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]
	return {link=cLink, search=commonsSearch}
end

-- Function to create a sister link, by prefix
-- Arguments:
--   prefix = sister prefix (e.g., "c" for commons)
--   args = arguments for this sister (see p._sisterLink above)
--   tracking = tracking table
local function sisterLink(prefix, args, tracking)
	-- determine arguments to genSisterLink according to prefix
	if prefix == 'species_author' and not args.species[1] and args.species[2] and not args.species_author[1] and args.species_author[2] then
		return nil
	end
	local default = defaultSisters[prefix]
	if default == 'auto' then
		default = args.auto
	end
	-- Handle exceptions by prefix
	local search = ((prefix == 'd' and "ItemByTitle/enwiki/") or "Search/")..args[1]
	local sitelink = prefix == 'd' and args.qid
    local page = args[prefix]
    if prefix == 's' and args.author and page[1] then
		page[1] = "Author:"..page[1]
	end
    local info = sisterInfo[prefix]
    if prefix == 'voy' and not args.bar and not page[1] and page[2] ~= nil then
    	info = "Travel information"
    end
    info = args.information or info
    if prefix == 'c' then
    	local commons = commonsLinks(args, page)
    	search = commons.search
    	sitelink = commons.link
    end
    prefix = (prefix == 'species_author' and 'species') or prefix
    return genSisterLink({
    	page,
    	auto=args.auto,
    	qid=args.qid,
    	sitelink=sitelink,
    	default=default,
    	sisterPrefix = prefix,
    	search=search,
    	information=info}, tracking)
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")
	container:addClass(sandbox(args,"sister-box"))
	if args.position and args.position:lower() == "left" then
		container:addClass("mbox-small-left")
	else
		container:addClass("mbox-small")
	end
	if args.collapsible then
		container:addClass("mw-collapsible")
		if args.collapsible == "collapsed" then
			container:addClass("mw-collapsed")
		end
	end
	container:cssText(args.style)
	-- Div for text header
	local header = container:tag('div')
	header:css("clear",args.collapsible and "both")
	-- pagename in bold as part of header
	local pagename = header:tag('b')
	pagename:wikitext(args.display or args[1])
	local headerText = "at Wikipedia'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")
	-- pass ul element back to main, so sister links can be added
	return ul
end

local function createSisterBox(sisterList,args)
	local container = createContainer(args)
    for i, link in ipairs(sisterList) do
	  local li = container:tag('li')
	  -- html element for 27px-high logo
	  local logoSpan = li:tag('span')
	  logoSpan:addClass(sandbox(args,"sister-logo"))
	  logoSpan:wikitext("[[File:"..logo[link.prefix].."|27x27px|middle|link=|alt=]]")
	  -- html element for link
	  local linkspan = li:tag('span')
	  linkspan:addClass(sandbox(args,"sister-link"))
	  local linkText = "[["..link.prefix..":"..link.link.."|"..link.information .."]] from "..sisterName[link.prefix]
	  linkspan:wikitext(linkText)
    end
    return container:allDone()
end

local function createSisterBar(sisterList,args)
	local nav = mw.html.create( 'div' )
	nav:addClass( 'noprint')
	nav:addClass( 'metadata')
	nav:addClass( sandbox(args,'sister-bar'))
	nav:attr( 'role', 'navigation' )
	nav:attr( 'aria-label' , 'sister-projects' )
	local header = nav:tag('div')
	header:addClass(sandbox(args,'sister-bar-header'))
	local pagename = header:tag('b')
	pagename:wikitext(args.display or args[1])
	local headerText = " at Wikipedia's [[Wikipedia:Wikimedia sister projects|"
	headerText = headerText..'<span id="sister-projects" style="white-space:nowrap;">sister projects</span>]]:'
	header:wikitext(headerText)
	local container = nav:tag('div')
	container:addClass(sandbox(args,'sister-bar-content'))
	for _, link in ipairs(sisterList) do
		local item = container:tag('div')
		item:addClass(sandbox(args,'sister-bar-item'))
		local logoSpan = item:tag('span')
		logoSpan:addClass(sandbox(args,'sister-bar-logo'))
		logoSpan:wikitext("[[File:"..logo[link.prefix].."|21x19px|link=|alt=]]")
		local linkSpan = item:tag('span')
		linkSpan:addClass(sandbox(args,'sister-bar-link'))
		linkSpan:wikitext("<b>[["..link.prefix..":"..link.link.."|"..link.information .."]]</b> from "..sisterName[link.prefix])
	end
	return nav
end

function p._main(args)
	local titleObject = mw.title.getCurrentTitle()
	-- find qid, either supplied with args, from search string, or from current page
	args.qid = args.qid or mw.wikibase.getEntityIdForTitle(args[1] or "") or mw.wikibase.getEntityIdForCurrentPage()
	args.qid = args.qid and args.qid:upper()
	-- search string defaults to PAGENAME
    args[1] = args[1] or titleObject.text
    -- handle redundant "commons"/"c" prefix
    args.c = args.c or args.commons
	-- Canonicalize all sister links (handle yes/no/empty)
	for _, k in ipairs(prefixList) do
		args[k] = canonicalize(args[k])
	end
    -- Canonicalize general parameters
    for _,k in pairs({"auto","commonscat","author","bar","tracking","sandbox"}) do
    	args[k] = canonicalize(args[k])[2]
    end
	-- Initialize tracking categories if main namespace
	local tracking = (args.tracking or titleObject.namespace == 0) and {}
    local sisterList = {}
    local prefix
    -- Loop through all sister projects, generate possible links
    for _, prefix in ipairs(prefixList) do
    	local link = sisterLink(prefix, args, tracking)
    	if link then
			table.insert(sisterList, link)
		end
	end
    local box = mw.html.create('div')
    if args.bar and #sisterList > 0 then
    	box = createSisterBar(sisterList,args)
    elseif #sisterList == 1 then
    	-- Use  single sister box instead of multi-sister box
    	local sister = sisterList[1]
    	local frame = mw.getCurrentFrame()
    	local link =  "[["..sister.prefix..":"..sister.link.."|<b><i>"..(args.display or args[1]).."</i></b>]]"
    	box:wikitext(sideBox({position=args.position,
    		image="[[File:"..logo[sister.prefix].."|40x40px|class=noviewer|alt=|link=]]",
    		metadata='no', textclass='plainlist', class='plainlinks sistersitebox',
    	    text=sisterName[sister.prefix].." has "..mw.ustring.lower(sister.information).." related to "..link}))
    elseif #sisterList > 0 then
    	-- else use sister box if non-empty
    	box = createSisterBox(sisterList,args)
    end
    if #sisterList == 0 and args.auto then
    	box:wikitext(generateWarning({"No sister project links found in Wikidata. Try auto=0"}))
    end
	-- Append tracking categories to container div
	-- Alpha ordering is by sister prefix
	if tracking then
		for k, v in pairs(tracking) do
			box:wikitext("[[Category:"..trackingType[k].."|"..v.."]]")
		end
    	if #sisterList == 0 then
    		box:wikitext("[[Category:Pages with empty sister project links]]")
    	end
	end
	local styleFile = 'Module:Sister project links/'
	styleFile = styleFile..(args.sandbox and 'sandbox/' or '')
	styleFile = styleFile..'styles.css'
	return mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = styleFile }
	} .. tostring(box)

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 p._main(args)
end

-- Lua entry point for generate one sister link
function p._sisterlink(args)
    local prefix = args.prefix
	-- Canonicalize all sister links (handle yes/no/empty)
	for _, k in ipairs(prefixList) 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
    args[1] = args[1] or mw.title.getCurrentTitle().text
	args.qid = args.qid or mw.wikibase.getEntityIdForCurrentPage()
	args.qid = args.qid and args.qid:upper()
	local link = sisterLink(prefix, args,nil)
	if not link then
		return ""
	end
	return "[["..link.prefix..":"..link.link.."|"..link.information .."]] from "..sisterName[link.prefix]
end

-- Template entry point for generating one sister link
function p.link(frame)
	local args = getArgs(frame,{frameOnly=false,parentOnly=false,parentFirst=false})
	return p._sisterlink(args)
end

return p
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