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database-less models in your controllers/views

View model.rb
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# sometimes you want a non-db backed model in rails. you can put this in
# lib/model.rb and then:
#
# file: app/models/signup.rb
#
# class Signup < Model
# validates_presence_of :email
# end
#
 
class Model
include ActiveModel::Validations
include ActiveModel::Conversion
extend ActiveModel::Naming
 
def model_name
self < Model ? self.name.gsub('Model::', '') : super
end
 
def initialize(attributes = {})
unless attributes.blank?
attributes.each{|name, value| send("#{ name }=", value)}
end
end
 
def persisted?
false
end
end
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