I find a field or two whose values either depend on other fields or can be generated without user input. These are the exact scenarios where the Computed Field module can be a great choice.

Working with the Drupal Computed Field Module | Urban Insight

Submitted by michael on Thu, 01/01/2015 - 16:19

When setting up content types on a more involved site, a developer could easily end up
with having an enormous list of fields in one single content type. When this happens, I tend
to pause for a second, and think through whether there is any way to consolidate that list.
Chances are, I find a field or two whose values either depend on other fields or can be
generated without user input. These are the exact scenarios where the Computed Field module
can be a great choice.