@financial-times/n-es-client/lib/concept.js

const search = require('./search');
const pluckProperties = require('./helpers/pluck-properties');

// property => alias (optional)
const PROPS = new Map([
	['id'],
	['prefLabel'],
	['apiUrl'],
	['attributes'],
	['types'],
	['type'],
	['directType'],
	['url']
]);

function handleData(data, uuid) {
	if (data.length) {
		const concept = data[0].annotations.find((concept) => concept.id === uuid);
		return pluckProperties(PROPS, concept);
	}
}

function concept(uuid, timeout = 3000) {
	const params = {
		query: {
			// avoid scoring to increase caching
			constant_score: {
				filter: {
					term: {
						'annotations.id': uuid
					}
				}
			}
		},
		size: 1,
		_source: ['annotations']
	};

	return search(params, timeout).then((data) => handleData(data, uuid));
}

module.exports = concept;