I am trying to fetch listings in single country using mongoose .find(filters) s such:

I am trying to fetch listings in single country using mongoose .find(filters) s such:

I created a ProductSchema which is extended by a CategorizedProductSchema. The difference between them is that the CategorizedProductSchema has an attribute category which is of type CategorySchema. However, when I create and save a categorized product, it does not save the category information, it only saves the fields in the ProductSchema.

productModel.js: