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Create a model

  • To create a model (lets call it User) by running:
$ rails g model User
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which will generate the file app/models/user.rb:

class User
  include Mongoid::Document

end
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  • This is all we need to have a model (albeit nothing but an id field). Unlike ActiveRecord, there is no migration files. All the database information for the model is contained in the model file.
  • Timestamps are not automatically included in your model when we generate it. To add created_at and updated_at to our model, add
include Mongoid::Timestamps
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Our model underneath include Mongoid::Document like:

include Mongoid::Timestamps
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