Sha256: 09c33a47897df1e39b170ad80bb85f95a97ac38166ada7da1768bc78b130621c
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Size: 1.22 KB
Versions: 19
Compression:
Stored size: 1.22 KB
Contents
# frozen_string_literal: true
module Paquito
class SerializedColumn
def initialize(coder, type = nil, attribute_name: nil)
@coder = coder
@type = type
@attribute_name = attribute_name || "Attribute"
check_arity_of_constructor
@default_value = type&.new
end
def object_class
@type || Object
end
def load(payload)
return @type&.new if payload.nil?
object = @coder.load(payload)
check_type(object)
object || @type&.new
end
def dump(object)
return if object.nil? || object == @default_value
check_type(object)
@coder.dump(object)
end
private
def check_arity_of_constructor
load(nil)
rescue ArgumentError
raise ArgumentError,
"Cannot serialize #{object_class}. Classes passed to `serialize` must have a 0 argument constructor."
end
def default_value?(object)
object == @type&.new
end
def check_type(object)
unless @type.nil? || object.is_a?(@type) || object.nil?
raise ActiveRecord::SerializationTypeMismatch, "#{@attribute_name} was supposed to be a #{object_class}, " \
"but was a #{object.class}. -- #{object.inspect}"
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems