module ActiverecordUnitwise::ClassMethods
Public Instance Methods
__define_unitwise_getter(attribute)
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# File lib/activerecord_unitwise.rb, line 19 def __define_unitwise_getter(attribute) method = "def #{attribute} #{attribute}_scalar && #{attribute}_units ? Unitwise(#{attribute}_scalar, #{attribute}_units) : nil end " class_eval method end
__define_unitwise_setter(attribute, convert_to:, default_unit:)
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# File lib/activerecord_unitwise.rb, line 28 def __define_unitwise_setter(attribute, convert_to:, default_unit:) method = "def #{attribute}=(value, unit=nil) if value.blank? self.#{attribute}_scalar = nil self.#{attribute}_units = nil return end unless value.kind_of?(Unitwise::Measurement) unless unit || #{default_unit.present?} raise 'must provide unit or default unit' end value = Unitwise(value.to_f, (unit || '#{default_unit}')) end " if convert_to.present? method += " value = value.convert_to('#{convert_to}') " end method += " self.#{attribute}_scalar = value.magnitude self.#{attribute}_units = value.unit.expression " method += "end" class_eval method end
unitwise(*attributes, convert_to: nil, default_unit: nil)
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# File lib/activerecord_unitwise.rb, line 10 def unitwise(*attributes, convert_to: nil, default_unit: nil) attributes.each do |attribute| __define_unitwise_setter attribute, convert_to: convert_to, default_unit: default_unit __define_unitwise_getter attribute end end