November 3, 2014Rails Disco: Get Down with Event Sourcing “You Should Be Dancing” by the Bee Gees right now. Once it’s going in the background, read on… Here are some questions for you: What did your data look like last year? Last week? How many different client applications are using your single data store? How much data transformation are they doing to use the data? Have you ever changed your mo
Presented at Conferencia Rails 2010 You probably follow the motto “skinny controller, fat model”, which is a good thing. Skinny controllers are definitely the way to go but, as your domain logic grows, it’s very easy to end up with a model overweight problem, which is not so good. The issue is that your ActiveRecord objects have to deal with too many different responsibilities: validation, busines
Domain model is an effective tool for software development. It can be used to express really complex business logic, and to verify and validate the understanding of the domain among stakeholders. Building rich domain models in Rails is hard. Primarily, because of Active Record, which doesn’t play well with the domain model approach. One way to deal with this problem is to use an ORM implementing t
There are many kinds of complexity that you have to deal with developing software and different kinds of applications will have very different sets of problems you need to solve. If you are building the next Twitter, scalability and fault-tolerance are the problems you are probably fighting. On the other hand, these problems are almost never an issue when working on enterprise applications. The co
You know that Domain Driven Design, Hexagonal Architecture, and the Single Responsibility Principle are important but it’s hard to know how to best apply them to Rails applications. Following the path of least-resistance will get you in trouble. In this session you will learn a way out of the “fat model, skinny controller” hell. You will leave with a roadmap to guide your design based on concepts
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