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Tagged "Rails"

  • Complex Default Values with Rails 3

    #ruby #Rails

    I needed an extensible way to default values for new models in Rails 3.0.5 so I went Googling. I ended up finding a great question on StackOverflow. (of course) So I got started with the help of the answers on that question. I first tried the before_create callback but soon realized that it only fires when you save a new record. I needed the model (A) to auto-generate associated models (B) when a new instance of the model (A) is created. So the correct filter for that is after_initialize. I called my callback method set_default_values() and used it on my abstract super class (A) and the classes (C,etc) that inherit from it.