Weekly Dev Tips

Abstraction Levels and Authorization Working at too low of an abstraction level is a common source of duplication and technical debt. A very common culprit in this area is authorization. Sponsor - DevIQ Thanks to DevIQ for sponsoring this episode! Check out their list of available courses and how-to videos. Show Notes / Transcript Let's take a quick break from the more commonplace design patterns and talk a little bit about abstraction levels and how they impact duplication and technical debt in our software designs. You can think of high levels of abstraction as being at the level of the real world concept your software is modeling. For an ecommerce application, it might be buying something, or adding an item to a cart. The whole notion of a cart or basket is a metaphor explicitly pulled into ecommerce applications from the real world. There's certainly no literal cart or basket involved in most online shopping experiences. Low levels of abstraction refer to implementation details used by the actual software