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We’ve been really busy working on the mapper part of DataMapper 2 for the last few months. This gives us more clarity about what is still missing. The mapper currently supports two different engines, Veritas and Arel. By introducing engines API we managed to create a nice database abstraction layer along with model and attribute mapping layers. The entire system works like a multi-level pipe so th
UPDATE: DataMapper 2 was renamed to Ruby Object Mapper (ROM). For more info check out rom-rb.org We have a lot of different Object-Relational Mapper implementations in Ruby (and a ton and a half of Mongo mappers ;)) and it’s probably a good thing. It seems like the only ORM that really matters right now is ActiveRecord although in “the background” we still have DataMapper and Sequel with growing c
“Skinny Controller, Fat Model” is a well known best practice in Ruby community. Everybody seems to agree with it and follows it. It’s pretty clear what a skinny controller is. The question is what is a fat model and what should we do if it gets too fat? Even better, what should we do to avoid too fat model? I think many people still confuse Domain Model with ActiveRecord. It’s something more and i
RSpec is one of my favorite tools. I have literally fallen in love with this fantastic BDD library, especially with its second version. While using RSpec I realized it teaches me how to write tests. Yes, exactly - learning RSpec DSL, its syntax and structure of spec examples you actually learn the best practices in writing tests. RSpec, despite many built-in matchers, comes with a DSL for defining
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