squirreldex: lambda handler

handler.js

exports.handler = async function (event, context) {
  // parse the event, get the squirrel, save the world.
  //  (this is javascript, read from the bottom to the top!)

  const { action } = event || {};
  if (action === 'update-squirrel') {
    // route c: invoked by an admin looking to update an entry on a squirrel.
    const { id, entry } = event;
    await db.update(id, entry);
    return { status: 'super effective' };
  } else if (action === 'next-sotd') {
    // route b: invoked by cloudwatch every night to update set a new squirrel
    //  of the day.
    await config.updateSotd();
    return { status: 'ok' };
  }
 
  // route a: either return the squirrel with the requested id,
  //  or return the squirrel of the day (SOTD).
  const { id = process.env.SD_SOTD } = event || {};
  const squirrel = db.get(id);
  return res;
}