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Contents
# frozen_string_literal: true
module ActiveRecord
class PredicateBuilder
class PolymorphicArrayValue # :nodoc:
def initialize(associated_table, values)
@associated_table = associated_table
@values = values
end
def queries
type_to_ids_mapping.map do |type, ids|
{
associated_table.association_foreign_type.to_s => type,
associated_table.association_foreign_key.to_s => ids
}
end
end
# TODO Change this to private once we've dropped Ruby 2.2 support.
# Workaround for Ruby 2.2 "private attribute?" warning.
protected
attr_reader :associated_table, :values
private
def type_to_ids_mapping
default_hash = Hash.new { |hsh, key| hsh[key] = [] }
values.each_with_object(default_hash) do |value, hash|
hash[klass(value).polymorphic_name] << convert_to_id(value)
end
end
def primary_key(value)
associated_table.association_join_primary_key(klass(value))
end
def klass(value)
case value
when Base
value.class
when Relation
value.klass
end
end
def convert_to_id(value)
case value
when Base
value._read_attribute(primary_key(value))
when Relation
value.select(primary_key(value))
end
end
end
end
end
Version data entries
30 entries across 30 versions & 3 rubygems