Posts Tagged Tutorial

Write your own custom DataMapper adapter

If you read this blog, you probably know that Merb‘s best ORM friend is DataMapper.

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Merb works very well with ActiveRecord and Sequel but most of the Merbivores get excited about DataMapper.

DataMapper has a lot of cool stuff going for it. I’m planning on writingi few articles about what I particularily like with DM and some of the misconceptions.

I’m going to give a talk about DataMapper during MerbCamp and something I want to cover is the fact that you can write DM adapters for virtually anything. From an adapter for couchdb (available in dm-more) to an adapter for SalesForce API. That’s the kind of stuff that gets me excited, a bit like what Ambition does but built-in in DM.

So, I decided to take some advise from Yehuda and dkubb and wrote my own adapter for Google Video. I had just finished a gem to retrieve google videos for a given google user and thought it would be a perfect exercise to mix a http-scraper with a DM adapter.

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