module Mongoid::Criteria::Translator
This is a helper module for translating atomic and composite Ruby values into corresponding query and option components. Originally implemented as patches to core classes, that approach has generally fallen into disfavor, as it bleeds too much into the public namespace.
@api private
Public Instance Methods
to_direction(value)
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Converts the given value to a direction specification for use in sorting.
@example Convert the value to a direction.
Translator.to_direction(:desc) Translator.to_direction("1") Translator.to_direction(-1) Translator.to_direction(score: { "$meta": "textScore" })
@param [ Hash | Numeric | String | Symbol ] value The value to convert.
@return [ Hash | Numeric ] The direction.
# File lib/mongoid/criteria/translator.rb, line 29 def to_direction(value) case value when Hash then value when Numeric then value when String then value =~ /desc/i ? -1 : 1 when Symbol then to_direction(value.to_s) else raise ArgumentError, "cannot translate #{value.inspect} (#{value.class}) to a direction specification" end end