Module: Protoable::Serialization

Defined in:
lib/protobuf/activerecord/protoable/serialization.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/protobuf/activerecord/protoable/serialization.rb', line 5

def self.included(klass)
  klass.extend Protoable::Serialization::ClassMethods
  klass.__send__(:include, ::Heredity::InheritableClassInstanceVariables)

  klass.class_eval do
    class << self
      attr_accessor :_protobuf_attribute_converters,
        :_protobuf_field_transformers, :protobuf_fields
    end

    @_protobuf_attribute_converters = {}
    @_protobuf_field_transformers = {}
    @protobuf_fields = []

    inheritable_attributes :_protobuf_attribute_converters,
      :_protobuf_field_transformers, :protobuf_fields, :protobuf_message
  end
end

Instance Method Details

#protoable_attributes ⇒ Object

Extracts attributes that correspond to fields on the specified protobuf message, performing any necessary column conversions on them.



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# File 'lib/protobuf/activerecord/protoable/serialization.rb', line 130

def protoable_attributes
  protoable_attributes = protobuf_fields.inject({}) do |hash, field|
    if _protobuf_field_transformers.has_key?(field)
      hash[field] = _protobuf_field_transformers[field].call(self)
    else
      value = respond_to?(field) ? __send__(field) : nil
      hash[field] = _protobuf_convert_attributes_to_fields(field, value)
    end
    hash
  end

  protoable_attributes
end