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module ActiveRecord
class AttributeSet # :nodoc:
delegate :[], :[]=, :fetch, :include?, :keys, :each_with_object, to: :attributes
def initialize(attributes)
@attributes = attributes
end
def to_hash
attributes.each_with_object({}) { |(k, v), h| h[k] = v.value }
end
alias_method :to_h, :to_hash
def freeze
@attributes.freeze
super
end
def initialize_dup(_)
@attributes = attributes.dup
attributes.each do |key, attr|
attributes[key] = attr.dup
end
super
end
def initialize_clone(_)
@attributes = attributes.clone
super
end
class Builder # :nodoc:
def initialize(types)
@types = types
end
def build_from_database(values, additional_types = {})
attributes = Hash.new(Attribute::Null)
values.each_with_object(attributes) do |(name, value), hash|
type = additional_types.fetch(name, @types[name])
hash[name] = Attribute.from_database(value, type)
end
AttributeSet.new(attributes)
end
end
protected
attr_reader :attributes
end
end
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