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# 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
return [ associated_table.join_foreign_key => values ] if values.empty?
type_to_ids_mapping.map do |type, ids|
query = {}
query[associated_table.join_foreign_type] = type if type
query[associated_table.join_foreign_key] = ids
query
end
end
private
attr_reader :associated_table, :values
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.join_primary_key(klass(value))
end
def klass(value)
if value.is_a?(Base)
value.class
elsif value.is_a?(Relation)
value.model
end
end
def convert_to_id(value)
if value.is_a?(Base)
primary_key = primary_key(value)
if primary_key.is_a?(Array)
primary_key.map { |column| value._read_attribute(column) }
else
value._read_attribute(primary_key)
end
elsif value.is_a?(Relation)
value.select(primary_key(value))
else
value
end
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems