Searching for products with name and category

In MERN Marketplace, visitors will be able to search for specific products by name and also in a specific category. In the following sections, we will discuss how this search functionality can be added by first looking at backend APIs that will retrieve the distinct categories from the Products collection, and perform the search query against the products stored. Then, we will discuss different cases for utilizing these APIs, such as a view to perform the search action and a view for displaying products by categories.

The categories API

To allow users to select a specific category to search in, we will first set up an API that retrieves all the distinct categories present in the...