local p = {}
function p.query(frame)
-- Define the endpoint and query
local endpointUrl = "https://query.wikidata.org/sparql"
local sparqlQuery = [[
SELECT ?id ?idLabel ?head
(SAMPLE(?pop) AS ?populasi)
(SAMPLE(?ison) AS ?iso)
(SAMPLE(?glotton) AS ?glotto)
(SAMPLE(?img) AS ?img_)
(SAMPLE(?gmbr) AS ?gmbr_)
(MIN(?partyId) AS ?geo)
WHERE {
?id wdt:P31 wd:Q34770 .
?id wdt:P279 ?head .
?id wdt:P625 ?geo .
SERVICE wikibase:label { bd:serviceParam wikibase:language "id" . ?head rdfs:label ?headLabel . ?id rdfs:label ?idLabel . }
OPTIONAL { ?id wdt:P220 ?ison . }
OPTIONAL { ?id wdt:P1394 ?glotton . }
OPTIONAL { ?id wdt:P18 ?img . }
OPTIONAL { ?id wdt:P1098 ?pop . }
OPTIONAL { ?id wdt:P1846 ?gmbr . }
}
GROUP BY ?id ?idLabel ?head ?headLabel
]]
-- Prepare the HTTP request
local http = require("mw.http")
local json = require("mw.text.json")
local res = http.request {
url = endpointUrl,
method = "POST",
headers = { ["Accept"] = "application/sparql-results+json" },
body = "query=" .. mw.uri.encode(sparqlQuery),
}
-- Parse and process the response
if res and res.status == 200 then
local data = json.decode(res.body)
local result = ""
for i, binding in ipairs(data.results.bindings) do
result = result .. binding.idLabel.value .. " (Population: " .. (binding.populasi and binding.populasi.value or "Unknown") .. ")<br/>"
end
return result
else
return "Error retrieving data from SPARQL endpoint."
end
end
return p
