Creating an Admin Dashboard

Let’s create a page where we can view book sales and perform some aggregate functions using MongoDB.

Publishing sales data

Open the imports/api/bookSales/server/publication.js file. On line 2, the BookSales collection is imported for use. A publication is defined on lines 4–6, which we named bookSales.sales. This publication returns a cursor from the BookSales collection of documents in which the paymentStatus field is equal to success.

Subscribing to the sales cursor

After creating a publication, we’ll want to subscribe to the cursor on the client. Open the imports/ui/Sales.jsx file. On line 3, we import the useTracker function. On line 4, we import the BookSales collection. Inside the useTracker function, we subscribe to the publication named bookSales.sales.

The function returns an object with the loading and sales keys. The value of loading is the state of the subscription handle, ...