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Software Design

Code Review & Refactoring to a Better Design

It’s code review and design time. Recently, I recorded a video providing my thoughts on some code attempting to illustrate persistence ignorant for queries. I didn’t cover some specific API design decisions I disagreed with, around nullables and throwing exceptions. I’ll show samples of what I’d prefer the API to look like and why. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Code Review This post reviews code that was initially in this code review post, “Clean Architecture” and indirection. No thanks. I that post/video was… Read More »Code Review & Refactoring to a Better Design

HELP! My system is a spaghetti code mess.

If you’re frustrated working in a large spaghetti code system that’s hard to change and easy to introduce bugs, you’ve probably wanted to rewrite everything from scratch. The reality is that’s not likely going to happen. However, here’s how you can think about untangling the spaghetti code mess in smaller chunks one at a time, making it more manageable. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Spaghetti code People often refer to a spaghetti code when It has a lot of concerns intertwined, and because… Read More »HELP! My system is a spaghetti code mess.

Aggregate (DDD) isn’t hierarchy & relationships

How do you design an aggregate in domain-driven design? An aggregate in a cluster of related objects and used to manage the complexity of business rules and data consistency. Designing aggregates often incorrectly because of the focus on the relationship between entities. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Relationships I believe most developers designing aggregates are thinking about data, hierarchy & relationships. As an example, here’s an aggregate diagramed by its relationships. It has an entity that is the Aggregate Root which any consuming… Read More »Aggregate (DDD) isn’t hierarchy & relationships