-- This is used to get the QIDs of all of the values of a property, as a comma separated list if multiple values exist
-- Usage: {{#invoke:Sandbox/Rexxs/PropIDs |getPropertyIDs |<PropertyID> |FETCH_WIKIDATA}}
-- Usage: {{#invoke:Sandbox/Rexxs/PropIDs |getPropertyIDs |<PropertyID> |<InputParameter> |qid=<QID>}}
local p = {}
p.getPropertyIDs = function(frame)
local propertyID = mw.text.trim(frame.args[1] or "")
local input_parm = mw.text.trim(frame.args[2] or "")
-- can take a named parameter |qid which is the Wikidata ID for the article. This will not normally be used.
local qid = frame.args.qid
if qid and (#qid == 0) then qid = nil end
if input_parm == "FETCH_WIKIDATA" then
local entity = mw.wikibase.getEntityObject(qid)
local propclaims
if entity and entity.claims then
propclaims = entity.claims[propertyID]
end
if propclaims then
-- if wiki-linked value collect the QID in a table
if (propclaims[1] and propclaims[1].mainsnak.snaktype == "value" and propclaims[1].mainsnak.datavalue.type == "wikibase-entityid") then
local out = {}
for k, v in pairs(propclaims) do
out[#out + 1] = "Q" .. v.mainsnak.datavalue.value["numeric-id"]
end
return table.concat(out, ", ")
else
-- not a wikibase-entityid, so return empty
return ""
end
else
-- no claim, so return empty
return ""
end
else
return input_parm
end
end
return p
