Class: Roast::Workflow::ConditionalExecutor

Inherits:
Object
  • Object
show all
Defined in:
lib/roast/workflow/conditional_executor.rb

Overview

Handles execution of conditional steps (if and unless)

Instance Method Summary collapse

Constructor Details

#initialize(workflow, context_path, state_manager, workflow_executor = nil) ⇒ ConditionalExecutor

Returns a new instance of ConditionalExecutor.



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# File 'lib/roast/workflow/conditional_executor.rb', line 7

def initialize(workflow, context_path, state_manager, workflow_executor = nil)
  @workflow = workflow
  @context_path = context_path
  @state_manager = state_manager
  @workflow_executor = workflow_executor
end

Instance Method Details

#execute_conditional(conditional_config) ⇒ Object

Raises:



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# File 'lib/roast/workflow/conditional_executor.rb', line 14

def execute_conditional(conditional_config)
  $stderr.puts "Executing conditional step: #{conditional_config.inspect}"

  # Determine if this is an 'if' or 'unless' condition
  condition_expr = conditional_config["if"] || conditional_config["unless"]
  is_unless = conditional_config.key?("unless")
  then_steps = conditional_config["then"]

  # Verify required parameters
  raise WorkflowExecutor::ConfigurationError, "Missing condition in conditional configuration" unless condition_expr
  raise WorkflowExecutor::ConfigurationError, "Missing 'then' steps in conditional configuration" unless then_steps

  # Create and execute a ConditionalStep
  conditional_step = ConditionalStep.new(
    @workflow,
    config: conditional_config,
    name: "conditional_#{condition_expr.gsub(/[^a-zA-Z0-9_]/, "_")[0..20]}",
    context_path: @context_path,
    workflow_executor: @workflow_executor,
  )

  result = conditional_step.call

  # Store a marker in workflow output to indicate which branch was taken
  condition_key = is_unless ? "unless" : "if"
  step_name = "#{condition_key}_#{condition_expr.gsub(/[^a-zA-Z0-9_]/, "_")[0..30]}"
  @workflow.output[step_name] = result

  # Save state
  @state_manager.save_state(step_name, @workflow.output[step_name])

  result
end