![RailsCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/920/small/railscasts.jpg)
Summary: If you need to calculate an average user's rating or sum up a number of votes, consider using the activerecord-reputation-system gem. Here I will cover the basics and also briefly present a from-scratch solution.
Summary: If you need to calculate an average user's rating or sum up a number of votes, consider using the activerecord-reputation-system gem. Here I will cover the basics and also briefly present a from-scratch solution.