Module: Igniter::Extensions::Contracts::ComposePack

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

Defined Under Namespace

Modules: LocalInvoker Classes: Invocation

Class Method Summary collapse

Class Method Details

.compose_keyword ⇒ Object 



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 57

def compose_keyword
  Igniter::Contracts::DslKeyword.new(:compose) do |name, builder:, contract: nil, inputs: {}, output: nil, via: nil, &block|
    compiled_graph = compile_contract(name: name, contract: contract, profile: builder.profile, block: block)
    input_map = normalize_inputs(inputs)

    builder.add_operation(
      kind: :compose,
      name: name,
      depends_on: extract_dependencies(input_map),
      inputs: input_map,
      compiled_graph: compiled_graph,
      output_name: output&.to_sym,
      invoker: via
    )
  end
end

.handle_compose(operation:, state:, profile:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 153

def handle_compose(operation:, state:, profile:, **)
  nested_inputs = resolve_inputs(operation, state: state)
  invocation = Invocation.new(
    operation: operation,
    compiled_graph: operation.attributes.fetch(:compiled_graph),
    inputs: nested_inputs,
    profile: profile
  )
  invoker = operation.attributes[:invoker] || LocalInvoker
  result = invoker.call(invocation: invocation)
  unless result.is_a?(Igniter::Contracts::ExecutionResult)
    raise Igniter::Contracts::Error,
          "compose invoker for #{operation.name} must return an ExecutionResult"
  end

  output_name = operation.attributes[:output_name]
  return result if output_name.nil?

  result.output(output_name)
end

.install_into(kernel) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 45

def install_into(kernel)
  kernel.nodes.register(:compose,
                        Igniter::Contracts::NodeType.new(kind: :compose,
                                                         metadata: { category: :orchestration }))
  kernel.dsl_keywords.register(:compose, compose_keyword)
  kernel.validators.register(:compose_dependencies, method(:validate_compose_dependencies))
  kernel.validators.register(:compose_contracts, method(:validate_compose_contracts))
  kernel.validators.register(:compose_invokers, method(:validate_compose_invokers))
  kernel.runtime_handlers.register(:compose, method(:handle_compose))
  kernel
end

.manifest ⇒ Object 



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 31

def manifest
  Igniter::Contracts::PackManifest.new(
    name: :extensions_compose,
    node_contracts: [Igniter::Contracts::PackManifest.node(:compose)],
    registry_contracts: [
      Igniter::Contracts::PackManifest.validator(:compose_dependencies),
      Igniter::Contracts::PackManifest.validator(:compose_contracts),
      Igniter::Contracts::PackManifest.validator(:compose_invokers)
    ],
    metadata: { category: :orchestration },
    provides_capabilities: %i[subgraph_invocation nested_contracts]
  )
end

.validate_compose_contracts(operations:, profile:) ⇒ Object 



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 90

def validate_compose_contracts(operations:, profile:)
  compose_operations = operations.select { |operation| operation.kind == :compose }
  findings = []

  invalid_contracts = compose_operations.reject do |operation|
    operation.attributes[:compiled_graph].is_a?(Igniter::Contracts::CompiledGraph)
  end
  if invalid_contracts.any?
    findings << Igniter::Contracts::ValidationFinding.new(
      code: :invalid_compose_contract,
      message: "compose nodes require a compiled contract graph: #{invalid_contracts.map(&:name).join(", ")}",
      subjects: invalid_contracts.map(&:name)
    )
  end

  mismatched = compose_operations.select do |operation|
    compiled_graph = operation.attributes[:compiled_graph]
    compiled_graph.is_a?(Igniter::Contracts::CompiledGraph) &&
      compiled_graph.profile_fingerprint != profile.fingerprint
  end
  if mismatched.any?
    findings << Igniter::Contracts::ValidationFinding.new(
      code: :compose_profile_mismatch,
      message: "compose contracts were compiled against a different profile: #{mismatched.map(&:name).join(", ")}",
      subjects: mismatched.map(&:name)
    )
  end

  missing_outputs = compose_operations.filter_map do |operation|
    output_name = operation.attributes[:output_name]
    next if output_name.nil?

    compiled_graph = operation.attributes[:compiled_graph]
    next if compiled_graph.is_a?(Igniter::Contracts::CompiledGraph) && compose_output_names(compiled_graph).include?(output_name)

    operation.name
  end
  if missing_outputs.any?
    findings << Igniter::Contracts::ValidationFinding.new(
      code: :unknown_compose_output,
      message: "compose output selections are not defined in the nested contract: #{missing_outputs.map(&:to_s).join(", ")}",
      subjects: missing_outputs
    )
  end

  findings
end

.validate_compose_dependencies(operations:, profile: nil) ⇒ Object

rubocop:disable Lint/UnusedMethodArgument



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 74

def validate_compose_dependencies(operations:, profile: nil) # rubocop:disable Lint/UnusedMethodArgument
  available = operations.reject(&:output?).map(&:name)
  missing = operations.select { |operation| operation.kind == :compose }
                      .flat_map { |operation| Array(operation.attributes[:depends_on]) }
                      .map(&:to_sym)
                      .reject { |name| available.include?(name) }
                      .uniq
  return [] if missing.empty?

  [Igniter::Contracts::ValidationFinding.new(
    code: :missing_compose_dependencies,
    message: "compose dependencies are not defined: #{missing.map(&:to_s).join(", ")}",
    subjects: missing
  )]
end

.validate_compose_invokers(operations:, profile: nil) ⇒ Object

rubocop:disable Lint/UnusedMethodArgument



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# File 'lib/igniter/extensions/contracts/compose_pack.rb', line 138

def validate_compose_invokers(operations:, profile: nil) # rubocop:disable Lint/UnusedMethodArgument
  invalid = operations.select { |operation| operation.kind == :compose }
                      .reject do |operation|
    invoker = operation.attributes[:invoker]
    invoker.nil? || invoker.respond_to?(:call)
  end
  return [] if invalid.empty?

  [Igniter::Contracts::ValidationFinding.new(
    code: :invalid_compose_invoker,
    message: "compose via: must be callable: #{invalid.map(&:name).join(", ")}",
    subjects: invalid.map(&:name)
  )]
end