User:So9q/wikidata-orcid-scraper-link.js

// Function to fetch data using SPARQL query
function fetchDataUsingSPARQL(entityId, propertyId) {
    // SPARQL query to get the best rank value of a property
    const sparqlQuery = `
        SELECT ?value WHERE {
            wd:${entityId} p:${propertyId} ?statement.
            ?statement a wikibase:BestRank.
            ?statement ps:${propertyId} ?value.
        }
    `;
    console.log(sparqlQuery);
    // SPARQL endpoint URL
    const sparqlEndpointUrl = 'https://query.wikidata.org/sparql';

    // Constructing the query URL
    const queryUrl = sparqlEndpointUrl + '?query=' + encodeURIComponent(sparqlQuery) + '&format=json';

    // Fetching data from the SPARQL endpoint and returning a Promise
    return fetch(queryUrl)
        .then(response => response.json())
        .then(data => {
            // Check if results exist
            if (data.results.bindings.length > 0) {
                // Extracting the value from the response
                const value = data.results.bindings[0].value.value;

                // Log the retrieved value
                //console.log("Best Rank Value:", value);
                return value;
            } else {
                //console.log("No best rank value found for property:", propertyId);
                return null; // Return null if no value found
            }
        })
        .catch(error => {
            console.error('Error fetching data:', error);
            return null; // Return null in case of error
        });
}

(function (mw, $) {
    var entityId = mw.config.get('wbEntityId');
    if (!entityId) {
        return;
    }
    var orcid_length = $('#P496').length;
    //console.log('orcid_length: ' + orcid_length);
    if (orcid_length >= 1) {
        // Fetch best ranked orcid
        fetchDataUsingSPARQL(entityId, "P496")
            .then(orcid => {
                console.log(orcid);
                if (orcid && orcid !== "") {
                    //console.log("got non-empty orcid");
                    // Add portlet link for item
                    mw.util.addPortletLink(
                        'p-tb',
                        'https://orcid-scraper.toolforge.org/results?qid=' + entityId + '&orcid=' + orcid,
                        'Wikidata Orcid Scraper',
                        't-os',
                        'This Wikidata item in Wikidata Orcid Scraper'
                    );
                }
            });
    }
}(mediaWiki, jQuery));