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method

call

Importance_0
Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: ArrayHandler
call(attribute, value) public

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# File activerecord/lib/active_record/relation/predicate_builder/array_handler.rb, line 12
      def call(attribute, value)
        return attribute.in([]) if value.empty?

        values = value.map { |x| x.is_a?(Base) ? x.id : x }
        nils = values.extract!(&:nil?)
        ranges = values.extract! { |v| v.is_a?(Range) }

        values_predicate =
          case values.length
          when 0 then NullPredicate
          when 1 then predicate_builder.build(attribute, values.first)
          else Arel::Nodes::HomogeneousIn.new(values, attribute, :in)
          end

        unless nils.empty?
          values_predicate = values_predicate.or(attribute.eq(nil))
        end

        if ranges.empty?
          values_predicate
        else
          array_predicates = ranges.map! { |range| predicate_builder.build(attribute, range) }
          array_predicates.inject(values_predicate, &:or)
        end
      end
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