CREATE OR REPLACE FUNCTION rlarp.apply_guid(data jsonb) RETURNS jsonb LANGUAGE plv8 AS $function$ function findMostRecentPrice(data) { let mostRecentPrice = null; let mostRecentYear = null; // Iterate through each product data.forEach( data.hist => { // Check if the product matches the customer channel and version if (product.chan === cust && (product.v1ds === prod || product.v0ds === prod)) { // Iterate through the seasons for the product for (let year in product.season) { // Convert year to number for comparison let yearNum = parseInt(year); // Check if this year is more recent than the current most recent year if (mostRecentYear === null || yearNum > mostRecentYear) { mostRecentYear = yearNum; // Update the most recent price mostRecentPrice = product.season[year].price_usd; } } } }); return mostRecentPrice; } // Example usage: const jsonData = data; const cust = 'W'; // or 'D', depending on the customer const prod = 'TUH10000'; // the product version you're interested in const price = findMostRecentPrice(jsonData.data, cust, prod); console.log(`The most recent price for the customer is: ${price}`); return price; $function$;