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Size: 1.32 KB
Versions: 25
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Stored size: 1.32 KB
Contents
# frozen_string_literal: true
module ActiveRecord
class PredicateBuilder
class ArrayHandler # :nodoc:
def initialize(predicate_builder)
@predicate_builder = predicate_builder
end
def call(attribute, value)
return attribute.in([]) if value.empty?
values = value.map { |x| x.is_a?(Base) ? x.id : x }
nils, values = values.partition(&:nil?)
ranges, values = values.partition { |v| v.is_a?(Range) }
values_predicate =
case values.length
when 0 then NullPredicate
when 1 then predicate_builder.build(attribute, values.first)
else
values.map! do |v|
predicate_builder.build_bind_attribute(attribute.name, v)
end
values.empty? ? NullPredicate : attribute.in(values)
end
unless nils.empty?
values_predicate = values_predicate.or(predicate_builder.build(attribute, nil))
end
array_predicates = ranges.map { |range| predicate_builder.build(attribute, range) }
array_predicates.unshift(values_predicate)
array_predicates.inject(&:or)
end
protected
attr_reader :predicate_builder
module NullPredicate # :nodoc:
def self.or(other)
other
end
end
end
end
end
Version data entries
25 entries across 25 versions & 3 rubygems