Updating a CG listing

editlisting.js

const editListing = async ({ config, user, options = {} }) => {
  const configRef = config._id;
  const listingRef = options._id;

  const item = await Item.findOne({ configRef, "listings._id": listingRef }).exec();
  if (!item) throw new Error("Item not found");

  const listing = item.listings.find(l => l._id.equals(listingRef));
  if (!listing.id) listing.id = new Date().getTime();

  if (options.prices && options.prices.sale !== undefined) {
    listing.prices = options.prices;
    let changeStr = "";
    if (options.prices.sale !== listing.prices.sale) changeStr += `Sale price: ${options.prices.sale} `;
    if (options.prices.cost !== listing.prices.cost) changeStr += `Cost price: ${options.prices.cost} `;
    if (options.prices.compare !== listing.prices.compare) changeStr += `Compare price: ${options.prices.compare} `;
    if (changeStr)
      listing.logs.unshift({
        user: { ref: user, name: `${user.getName()}` },
        description: `Price update - ${changeStr}`,
        action: "update",
        date: new Date()
      });
  }

  if (options.options !== undefined) listing.options = options.options;
  if (options.categories !== undefined) listing.categories = options.categories;
  if (options.comments !== undefined) listing.comments = options.comments;
  if (options.privateComments !== undefined) listing.privateComments = options.privateComments;
  if (options.available !== undefined) listing.available = options.available; // check date validity
  if (options.location !== undefined) listing.location = options.location;
  if (options.status !== undefined) listing.status = options.status;
  if (options.posted !== undefined) listing.posted = options.posted;
  if (options.preventDiscogsListing !== undefined) listing.preventDiscogsListing = options.preventDiscogsListing;
  if (options.supplierCode !== undefined) listing.supplierCode = options.supplierCode;
  if (options.onePerCustomer !== undefined) listing.onePerCustomer = options.onePerCustomer;
  if (options.taxDefinition !== undefined) listing.taxDefinition = options.taxDefinition;

  if (options.stock && options.stock.quantity !== listing.stock.quantity) {
    await new Promise((res, rej) => {
      listing.updateStockQuantity({ item, config, quantity: options.stock.quantity, user }, (err, results) => {
        if (err) rej(err);
        else res(results);
      });
    });
  }

  let message;
  if (listing.discogsId)
    try {
      await editDiscogsListing({ listing, item, config });
      message = `Listing updated. Discogs update: Ok`;
    } catch (e) {
      `Listing updated. Discogs update: ${e.toString()}`;
    }

  item.markModified("listings");
  await item.save();
  return { listings: item.listings, item: item.getDataForApi(config), listing, message };
};