Class: Woods::Extractors::MiddlewareExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/woods/extractors/middleware_extractor.rb

Overview

MiddlewareExtractor handles Rack middleware stack extraction via runtime introspection.

Reads the middleware stack from ‘Rails.application.middleware` and produces a single ExtractedUnit representing the full ordered stack. Each middleware entry includes the class name, arguments, and insertion point.

Examples:

extractor = MiddlewareExtractor.new
units = extractor.extract_all
stack = units.find { |u| u.identifier == "MiddlewareStack" }

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MiddlewareExtractor

Returns a new instance of MiddlewareExtractor.



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# File 'lib/woods/extractors/middleware_extractor.rb', line 17

def initialize
  # No directories to scan — this is runtime introspection
end

Instance Method Details

#extract_all ⇒ Array<ExtractedUnit>

Extract the middleware stack as a single ExtractedUnit

Returns:

  • (Array<ExtractedUnit>) —

    Array containing one unit for the stack



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# File 'lib/woods/extractors/middleware_extractor.rb', line 24

def extract_all
  return [] unless middleware_available?

  stack = Rails.application.middleware
  entries = extract_middleware_entries(stack)

  return [] if entries.empty?

  unit = ExtractedUnit.new(
    type: :middleware,
    identifier: 'MiddlewareStack',
    file_path: nil
  )

  unit.namespace = nil
  unit.source_code = build_stack_source(entries)
  unit.metadata = build_stack_metadata(entries)
  unit.dependencies = []

  [unit]
rescue StandardError => e
  Rails.logger.error("Failed to extract middleware stack: #{e.message}")
  []
end