gistfile1.js

module.getItemNames = function (item_ids, cb) {

		dbItems.find({ 'id': { $in: item_ids } }).toArray(function (err, docs) {
			if (err) {
				log.error("getContracts_items: Error for dbItems.find", { err });
				cb(err);
				return;
			}

			var fullquery = docs.map(d => d.id);
			var newBulkSearch = diffArray(item_ids, fullquery);

			console.log('getContracts_items docs ' + docs.length + ', newBulkSearch (capped) ' + newBulkSearch.length);

			if (newBulkSearch.length == 0) {
				cb(null, docs);
				return;
			}


			try {
				UniverseApi.postUniverseNames(newBulkSearch, {}, callback);
			} catch (e) {
				console.error('postUniverseNames', e);
				cb(e);
			}
			
			function callback(error, data, response) {
				if (error) {
					console.error('getItemNames', error);
					cb(error);
					return;
				}

				dbItems.insertMany(data, function (err, result) {
					if (err) {
						log.error("insertMany: Error for db.insertMany", { err });
						cb(err);
						return;
					}

					let all_data = docs.concat(data);
					cb(null, all_data);
				});
			};
		});
	};