Module: Messaging::Message::Transform::MessageData

Defined in:
lib/messaging/message/transform.rb

Defined Under Namespace

Modules: Properties

Class Method Summary collapse

Class Method Details

.read(message_data) ⇒ Object 



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# File 'lib/messaging/message/transform.rb', line 58

def self.read(message_data)
  data = message_data.to_h

## TODO change to positive "if"
  unless data[:metadata].nil?
    data[:metadata] = data[:metadata].clone
  else
    data[:metadata] = {}
  end

  metadata = data[:metadata]

  metadata[:stream_name] = data[:stream_name]
  metadata[:position] = data[:position]

  metadata[:global_position] = data[:global_position]
  metadata[:time] = data[:time]

  if metadata[:properties].nil?
    metadata[:properties] = []
  end

  properties = metadata[:properties].map do |property_data|
    Metadata::Property.new(*property_data.values_at(*Metadata::Property.members))
  end

  metadata[:properties] = properties

  data
end

.write(message) ⇒ Object 



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# File 'lib/messaging/message/transform.rb', line 19

def self.write(message)
  message_data = MessageStore::MessageData::Write.build

  message_data.id = message.id
  message_data.type = message.message_type

  message_data.data = message.to_h

  metadata = message.metadata.to_h

  properties = metadata[:properties]

  if properties.empty?
    metadata.delete(:properties)
  else
    metadata[:properties] = Properties.write(properties)
  end

  metadata.delete_if { |k, v| v.nil? }

  message_data.metadata = metadata

  message_data
end