Module: Legion::Extensions::Synapse::Runners::Revert

Included in:
Client
Defined in:
lib/legion/extensions/synapse/runners/revert.rb

Instance Method Summary collapse

Instance Method Details

#revert(synapse_id:, to_version: nil, trigger: 'pain') ⇒ Object 



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# File 'lib/legion/extensions/synapse/runners/revert.rb', line 11

def revert(synapse_id:, to_version: nil, trigger: 'pain')
  Data::Model.define_synapse_model
  Data::Model.define_synapse_mutation_model
  synapse = Data::Model::Synapse[synapse_id]
  return { success: false, error: 'synapse not found' } unless synapse

  # to_version specifies which mutation record to look up (by version number).
  # Reverting mutation at version N restores its before_state, landing at N-1.
  mutation_version = to_version || synapse.version
  return { success: false, error: 'no previous version' } if mutation_version < 2

  mutation = Data::Model::SynapseMutation.where(
    synapse_id: synapse.id,
    version:    mutation_version
  ).first

  return { success: false, error: "mutation version #{mutation_version} not found" } unless mutation

  restored_version = mutation_version - 1
  before_state = Legion::JSON.load(mutation.before_state)
  synapse.update(
    attention:        before_state[:attention],
    transform:        before_state[:transform],
    routing_strategy: before_state[:routing_strategy],
    confidence:       before_state[:confidence] || synapse.confidence,
    status:           before_state[:status] || synapse.status,
    version:          restored_version
  )

  # Mark the reverted mutation
  mutation.update(outcome: 'reverted')

  # Record the revert as a new mutation
  Data::Model::SynapseMutation.create(
    synapse_id:    synapse.id,
    version:       restored_version,
    mutation_type: 'confidence_changed',
    before_state:  mutation.after_state,
    after_state:   mutation.before_state,
    trigger:       trigger,
    outcome:       'reverted'
  )

  { success: true, reverted_to: restored_version, synapse_id: synapse.id }
end