Class: EdgycircleToolbox::CQRS::CommandBus

Inherits:
Object
  • Object
show all
Defined in:
lib/edgycircle_toolbox/cqrs/command_bus.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CommandBus

Returns a new instance of CommandBus.



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# File 'lib/edgycircle_toolbox/cqrs/command_bus.rb', line 10

def initialize
  @container = Dry::Container.new
  @command_builder = CommandBuilder.new
end

Instance Method Details

#build(original_parameters, context = nil) ⇒ Object 



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# File 'lib/edgycircle_toolbox/cqrs/command_bus.rb', line 33

def build(original_parameters, context = nil)
  result = CommandResult.new
  validation = command_builder.validate(original_parameters)

  if validation.failure?
    build_validation_errors(validation).each { |error| result.add_error(error) }
  else
    validated_parameters = validation.output
    command = command_builder.build(validated_parameters, context)
    result.set_command(command)
  end

  result
end

#decorate_command(command_class, decorator_class) ⇒ Object 



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# File 'lib/edgycircle_toolbox/cqrs/command_bus.rb', line 23

def decorate_command(command_class, decorator_class)
  command_builder.decorate(command_class, decorator_class)
end

#register(command, handler) ⇒ Object 



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# File 'lib/edgycircle_toolbox/cqrs/command_bus.rb', line 15

def register(command, handler)
  command_builder.register(command)

  container.namespace(:handlers) do
    register(command, handler)
  end
end

#submit(command) ⇒ Object 



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# File 'lib/edgycircle_toolbox/cqrs/command_bus.rb', line 27

def submit(command)
  result = container.resolve("handlers.#{command.class.name}").new.call(command)
  result.events.each { |event| MessageBus.publish(event) }
  result
end