Class: Roast::Workflow::ConditionalStep

Inherits:
BaseStep
  • Object
show all
Includes:
ExpressionEvaluator
Defined in:
lib/roast/workflow/conditional_step.rb

Instance Attribute Summary

Attributes inherited from BaseStep

#available_tools, #coerce_to, #context_path, #json, #model, #name, #params, #print_response, #resource, #workflow

Instance Method Summary collapse

Methods included from ExpressionEvaluator

#evaluate_bash_command, #evaluate_ruby_expression, #evaluate_step_or_value

Methods included from ExpressionUtils

#bash_command?, #extract_command, #extract_expression, #ruby_expression?

Constructor Details

#initialize(workflow, config:, name:, context_path:, workflow_executor:, **kwargs) ⇒ ConditionalStep

Returns a new instance of ConditionalStep.



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# File 'lib/roast/workflow/conditional_step.rb', line 8

def initialize(workflow, config:, name:, context_path:, workflow_executor:, **kwargs)
  super(workflow, name: name, context_path: context_path, **kwargs)

  @config = config
  @condition = config["if"] || config["unless"]
  @is_unless = config.key?("unless")
  @then_steps = config["then"] || []
  @else_steps = config["else"] || []
  @workflow_executor = workflow_executor
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/roast/workflow/conditional_step.rb', line 19

def call
  # Evaluate the condition
  condition_result = evaluate_condition(@condition)

  # Invert the result if this is an 'unless' condition
  condition_result = !condition_result if @is_unless

  # Select which steps to execute based on the condition
  steps_to_execute = condition_result ? @then_steps : @else_steps

  # Execute the selected steps
  unless steps_to_execute.empty?
    @workflow_executor.execute_steps(steps_to_execute)
  end

  # Return a result indicating which branch was taken
  { condition_result: condition_result, branch_executed: condition_result ? "then" : "else" }
end