Method: Socrates::Core::Dispatcher#dispatch

Defined in:
lib/socrates/core/dispatcher.rb

#dispatch(message:, context: {}) ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/socrates/core/dispatcher.rb', line 21

def dispatch(message:, context: {})
  message = message.strip

  client_id = @adapter.client_id_from_context(context)

  @logger.info %(#{client_id} recv: "#{message}")

  # In many cases, a two actions will run in this loop: :listen => :ask, but it's possible that a chain of 2 or
  # more :ask actions could run, before stopping at a :listen (and waiting for the next input).
  loop do
    state_data = fetch_snapshot(client_id)
    state      = instantiate_state(state_data, context)

    args = [state.data.state_action]
    args << message if state.data.state_action == :listen

    msg = %(#{client_id} processing :#{state.data.state_id} / :#{args.first})
    msg += %( / message: "#{args.second}") if args.count > 1
    @logger.debug msg

    begin
      state.send(*args)
    rescue => e
      handle_action_error(e, client_id, state, context)
      return
    end

    # Update the persisted state data so we know what to run next time.
    state.data.state_id     = state.next_state_id
    state.data.state_action = state.next_state_action

    @logger.debug %(#{client_id} transition to :#{state.data.state_id} / :#{state.data.state_action})

    persist_snapshot(client_id, state.data)

    # Break from the loop if there's nothing left to do, i.e. no more state transitions.
    break if done_transitioning?(state)
  end
end