Django 2 by Example

Recommending products based on previous purchases

Now, we will recommend products to users based on what they have added to the cart. We are going to store a key in Redis for each product bought on our site. The product key will contain a Redis sorted set with scores. We will increment the score by 1 for each product bought together every time a new purchase is completed.

When an order is successfully paid for, we store a key for each product bought, including a sorted set of products that belong to the same order. The sorted set allows us to give scores for products that are bought together.

Remember to install redis-py in your environment using the following command:

pip install redis==2.10.6

Edit the settings.py file of your project and ...