Module: Igniter::Extensions::Contracts::ReactivePack

Defined in:
lib/igniter/extensions/contracts/reactive_pack.rb

Class Method Summary collapse

Class Method Details

.build(&block) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 28

def build(&block)
  Reactive::Builder.build(&block)
end

.build_events(target, execution_result:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 113

def build_events(target, execution_result:)
  events = []

  events << Reactive::Event.new(
    event_id: "execution_succeeded",
    type: :execution_succeeded,
    path: :execution,
    status: :succeeded,
    payload: {
      output_names: execution_result.outputs.keys
    }
  )

  execution_result.outputs.to_h.each do |name, value|
    events << Reactive::Event.new(
      event_id: "output_produced:#{name}",
      type: :output_produced,
      path: name,
      status: :succeeded,
      payload: {
        value: value
      }
    )
  end

  if target.respond_to?(:changed_outputs)
    target.changed_outputs.each do |name, change|
      events << Reactive::Event.new(
        event_id: "output_changed:#{name}",
        type: :output_changed,
        path: name,
        status: :succeeded,
        payload: {
          value: execution_result.output(name),
          previous_value: change[:from],
          current_value: change[:to]
        }
      )
    end
  end

  events << Reactive::Event.new(
    event_id: "execution_exited",
    type: :execution_exited,
    path: :execution,
    status: :succeeded,
    payload: {
      output_names: execution_result.outputs.keys
    }
  )

  events.freeze
end

.dispatch(target, reactions:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 32

def dispatch(target, reactions:)
  result = target
  execution_result = unwrap_execution_result(target)
  events = build_events(target, execution_result: execution_result)

  engine = Reactive::Engine.new(plan: reactions)
  engine.call(events: events, result: result, execution_result: execution_result)

  Reactive::DispatchResult.new(
    status: :succeeded,
    events: events,
    errors: engine.errors,
    result: result,
    execution_result: execution_result
  )
end

.dispatch_failure(error, reactions:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 70

def dispatch_failure(error, reactions:)
  events = [
    Reactive::Event.new(
      event_id: "execution_failed",
      type: :execution_failed,
      path: :execution,
      status: :failed,
      payload: {
        error_type: error.class.name,
        error_message: error.message
      }
    ),
    Reactive::Event.new(
      event_id: "execution_exited",
      type: :execution_exited,
      path: :execution,
      status: :failed,
      payload: {
        error_type: error.class.name,
        error_message: error.message
      }
    )
  ]

  engine = Reactive::Engine.new(plan: reactions)
  engine.call(events: events, result: nil, execution_result: nil, execution_error: error)

  Reactive::DispatchResult.new(
    status: :failed,
    events: events,
    errors: engine.errors,
    result: nil,
    execution_result: nil,
    execution_error: error
  )
end

.install_into(kernel) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 24

def install_into(kernel)
  kernel
end

.manifest ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 17

def manifest
  Igniter::Contracts::PackManifest.new(
    name: :extensions_reactive,
    metadata: { category: :orchestration }
  )
end

.run(environment, inputs:, reactions:, compiled_graph: nil, &block) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 49

def run(environment, inputs:, reactions:, compiled_graph: nil, &block)
  graph =
    if block
      environment.compile(&block)
    else
      compiled_graph || raise(ArgumentError, "reactive run requires a block or compiled_graph")
    end

  begin
    result = environment.execute(graph, inputs: inputs)
    dispatch(result, reactions: reactions)
  rescue StandardError => e
    dispatch_failure(e, reactions: reactions)
  end
end

.run_incremental(session, inputs:, reactions:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 65

def run_incremental(session, inputs:, reactions:)
  result = session.run(inputs: inputs)
  dispatch(result, reactions: reactions)
end

.unwrap_execution_result(target) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/reactive_pack.rb', line 107

def unwrap_execution_result(target)
  return target.execution_result if target.respond_to?(:execution_result)

  target
end