Module:Authority control

function getCatForId( id ) local title = mw.title.getCurrentTitle local namespace = title.namespace if namespace == 0 then return '' elseif namespace == 2 and not title.isSubpage then return '' else return '' end end

function viafLink( id ) if not string.match( id, '^%d+$' ) then return false end return '[http://viaf.org/viaf/' .. id .. ' ' .. id .. ']' .. getCatForId( 'VIAF' ) end

function lccnLink( id ) local parts = splitLccn( id ) if not parts then return false end id = parts[1] .. parts[2] .. append( parts[3], '0', 6 ) return '[http://id.loc.gov/authorities/names/' .. id .. ' ' .. id .. ']' .. getCatForId( 'LCCN' ) end

function mbLink( id ) -- TODO Implement some sanity checking regex return '[//musicbrainz.org/artist/' .. id .. ' ' .. id .. ']' end

function splitLccn( id ) if id:match( '^%l%l?%l?%d%d%d%d%d%d%d%d%d?%d?$' ) then id = id:gsub( '^(%l+)(%d+)(%d%d%d%d%d%d)$', '%1/%2/%3' ) end if id:match( '^%l%l?%l?/%d%d%d?%d?/%d+$' ) then return mw.text.split( id, '/' ) end return false end

function append(str, c, length) while str:len < length do       str = c .. str end return str end

function isniLink( id ) id = validateIsni( id ) if not id then return false end return '[http://isni-url.oclc.nl/isni/' .. id .. ' ' .. id:sub( 1, 4 ) .. ' ' .. id:sub( 5, 8 ) .. ' ' .. id:sub( 9, 12 ) .. ' ' .. id:sub( 13, 16 ) .. ']' .. getCatForId( 'ISNI' ) end

--Validate ISNI (and ORCID) and retuns it as a 16 characters string or returns false if it's invalid --See http://support.orcid.org/knowledgebase/articles/116780-structure-of-the-orcid-identifier function validateIsni( id ) id = id:gsub( '[ %-]', '' ):upper if not id:match( '^%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d[%dX]$' ) then return false end if getIsniCheckDigit( id ) ~= string.char( id:byte( 16 ) ) then return false end return id end

--Returns the ISNI check digit isni must be a string where the 15 first elements are digits function getIsniCheckDigit( isni ) local total = 0 for i = 1, 15 do       local digit = isni:byte( i ) - 48 --Get integer value total = (total + digit) * 2 end local remainder = total % 11 local result = (12 - remainder) % 11 if result == 10 then return "X" end return tostring( result ) end

function orcidLink( id ) id = validateIsni( id ) if not id then return false end id = id:sub( 1, 4 ) .. '-' .. id:sub( 5, 8 ) .. '-' .. id:sub( 9, 12 ) .. '-' .. id:sub( 13, 16 ) return '[http://orcid.org/' .. id .. ' ' .. id .. ']' .. getCatForId( 'ORCID' ) end

function gndLink( id ) return '[http://d-nb.info/gnd/' .. id .. ' ' .. id .. ']' .. getCatForId( 'GND' ) end

function selibrLink( id ) if not string.match( id, '^%d+$' ) then return false end return '[http://libris.kb.se/auth/' .. id .. ' ' .. id .. ']' .. getCatForId( 'SELIBR' ) end

function bnfLink( id ) --Add cb prefix if it has been removed if not string.match( id, '^cb.+$' ) then id = 'cb' .. id   end

return '[http://catalogue.bnf.fr/ark:/12148/' .. id .. ' ' .. id .. ']' .. getCatForId( 'BNF' ) end

function bpnLink( id ) if not string.match( id, '^%d+$' ) then return false end return '[http://www.biografischportaal.nl/persoon/' .. id .. ' ' .. id .. ']' .. getCatForId( 'BPN' ) end

function ridLink( id ) return '[http://www.researcherid.com/rid/' .. id .. ' ' .. id .. ']' .. getCatForId( 'RID' ) end

function bibsysLink( id ) return '[http://ask.bibsys.no/ask/action/result?cmd=&kilde=biblio&cql=bs.autid+%3D+' .. id .. '&feltselect=bs.autid ' .. id .. ']' .. getCatForId( 'BIBSYS' ) end

function ulanLink( id ) return '[http://www.getty.edu/vow/ULANFullDisplay?find=&role=&nation=&subjectid=' .. id .. ' ' .. id .. ']' .. getCatForId( 'ULAN' ) end

function getIdsFromWikidata( item, property ) local ids = {} if not item.claims[property] then return ids end for _, statement in pairs( item.claims[property] ) do       table.insert( ids, statement.mainsnak.datavalue.value ) end return ids end

function matchesWikidataRequirements( item, reqs ) for _, group in pairs( reqs ) do       local property = 'p' .. group[1] local qid = group[2] if item.claims[property] ~= nil then for _, statement in pairs ( item.claims[property] ) do           	if statement.mainsnak.datavalue ~= nil then if statement.mainsnak.datavalue.value['numeric-id'] == qid then return true end end end end end return false end

function createRow( id, label, rawValue, link, withUid ) if link then if withUid then return '* ' .. label .. ' ' .. link .. ' \n' else return '* ' .. label .. ' ' .. link .. '\n' end else return '* The ' .. id .. ' id ' .. rawValue .. ' is not valid. \n' end end

--In this order: name of the parameter, label, propertyId in Wikidata, formatting function local conf = { { 'VIAF', 'VIAF', 214, viafLink }, { 'LCCN', 'LCCN', 244, lccnLink }, { 'ISNI', 'ISNI', 213, isniLink }, { 'ORCID', 'ORCID', 496, orcidLink }, { 'GND', 'GND', 227, gndLink }, { 'SELIBR', 'LIBRIS', 906, selibrLink }, { 'BNF', 'BNF', 268, bnfLink }, { 'BPN', 'BPN', 651, bpnLink }, { 'RID', 'ResearcherID', 0, ridLink }, { 'BIBSYS', 'BIBSYS', 0, bibsysLink }, { 'ULAN', 'ULAN', 245, ulanLink }, { 'MBA', 'MusicBrainz', 434, mbLink }, }

-- Check that the Wikidata item has this property-->value before adding it local reqs = {} reqs['MBA'] = { { 106, 177220 }, -- occupation -> singer { 106, 13385019 }, -- occupation -> rapper { 106, 639669 }, -- occupation -> musician { 31, 215380 }, -- instance of -> band }

local p = {}

function p.authorityControl( frame ) local parentArgs = frame:getParent.args --Create rows local elements = {}

--redirect PND to GND if (parentArgs.GND == nil or parentArgs.GND == ) and parentArgs.PND ~= nil and parentArgs.PND ~=  then parentArgs.GND = parentArgs.PND end

--Wikidata fallback if requested local item = mw.wikibase.getEntity if item ~= nil and item.claims ~= nil then for _, params in pairs( conf ) do           if params[3] ~= 0 then local val = parentArgs[params[1]] if not val or val == '' then local canUseWikidata = nil if reqs[params[1]] ~= nil then canUseWikidata = matchesWikidataRequirements( item, reqs[params[1]] ) else canUseWikidata = true end if canUseWikidata then local wikidataIds = getIdsFromWikidata( item, 'p' .. params[3] ) if wikidataIds[1] then parentArgs[params[1]] = wikidataIds[1] end end end end end end

--Worldcat if parentArgs['WORLDCATID'] and parentArgs['WORLDCATID'] ~= '' then table.insert( elements, createRow( 'WORLDCATID', '', parentArgs['WORLDCATID'], '[http://www.worldcat.org/identities/' .. parentArgs['WORLDCATID'] .. ' WorldCat]', false ) ) --Validation? elseif parentArgs['LCCN'] and parentArgs['LCCN'] ~= '' then local lccnParts = splitLccn( parentArgs['LCCN'] ) if lccnParts then table.insert( elements, createRow( 'LCCN', '', parentArgs['LCCN'], '[http://www.worldcat.org/identities/lccn-' .. lccnParts[1] .. lccnParts[2] .. '-' .. lccnParts[3] .. ' WorldCat]', false ) ) end end

--Configured rows for k, params in pairs( conf ) do       local val = parentArgs[params[1]] if val and val ~= '' then table.insert( elements, createRow( params[1], params[2] .. ':', val, params[4]( val ), true ) ) end end local Navbox = require('Module:Navbox') return Navbox._navbox( {       name  = 'Authority control',        bodyclass = 'hlist',        group1 = 'Authority control',        list1 = table.concat( elements )    } ) end

return p