I'm a Django/Catalyst user that's evaluating Rails ... I need a Ruby
framework, and I'm trying to see if learning Rails is worth it or I
should just go for Sinatra + various libs available.
Django has a couple of things I like ...
1) the Forms API
In Django I like that it's being decoupled from models ... form
objects have fields with validation rules that also can contain html
rendering logic ... you can use them just to validate a request and
that validation can contain business rules that don't make sense to
have in the actual models. But the forms API can also infer those
validation rules straight from models, so you have DRY.
Looking at Rails tutorials I can't find this decoupling. Validation
rules are placed straight into models ... like
So I was wondering about Rails3 ... seeing there's a new ActiveModel
abstraction of the ActiveRecord interface, can I use that to have the
Also, where can I find some good and up to date tutorials on Rails3 ?
2) ORM lazyness
I like that Django's ORM and in DBIx::Class, the resultsets
constructed are lazy. I see that in Rails 3 there's a new Query
API ... http://m.onkey.org/2010/1/22/active-record-query-interface
Is that ready for use, is it development?
Or should I just use something like Sequel ... can that be plugged-in