Class: ActiveRecordUuid::Serializer

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record_uuid/serializer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type) ⇒ Serializer 



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# File 'lib/active_record_uuid/serializer.rb', line 4

def initialize(type)
  @type = type
end

Instance Attribute Details

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/active_record_uuid/serializer.rb', line 3

def type
  @type
end

Instance Method Details

#dump(value) ⇒ Object 



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# File 'lib/active_record_uuid/serializer.rb', line 31

def dump(value)
  uuid = begin
    UUIDTools::UUID.parse(value)
  rescue ArgumentError, TypeError
    nil
  end

  case type
  when :binary
    uuid.raw
  when :base64
    Base64.encode64(uuid.raw).strip
  when :hexdigest
    uuid.hexdigest
  when :string
    uuid.to_s
  end
end

#load(value) ⇒ Object 



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# File 'lib/active_record_uuid/serializer.rb', line 8

def load(value)
  return nil if value.nil?

  begin
    uuid = case type
    when :binary
      UUIDTools::UUID.parse_raw(value)
    when :base64
      UUIDTools::UUID.parse_raw(Base64.decode64(value))
    when :hexdigest
      UUIDTools::UUID.parse_hexdigest(value)
    when :string
      UUIDTools::UUID.parse(value)
    end
    raise ArgumentError unless uuid.valid?

    uuid.to_s
  rescue ArgumentError, TypeError
    raise ActiveRecord::SerializationTypeMismatch,
      "Attribute was supposed to be a valid uuid, but was #{value}"
  end
end