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# File 'lib/mongoid/alphadog.rb', line 7
def alphabetize_on(*fields)
return false unless fields.present?
fields.map(&:to_s).each { |f|
symbol = "#{f}_loweralpha".to_sym
field(symbol, type: String)
index({symbol: 1})
meth = "set_#{f}_loweralpha".to_sym
class_eval <<-RUBY
before_save do
self.send("#{symbol}=".to_sym, self.send(f.to_sym).try(:downcase))
end
RUBY
}
instance_eval do
scope :alphabetized_by, lambda { |*alpha_fields|
aorder = alpha_fields.map do |alpha|
[[alpha.to_s, 'loweralpha'].join('_').to_sym, :asc]
end
order_by(aorder)
}
end
end
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