Store cached and parsed SWCs - pseudocode.rb

def handle_project_path path
  project_path = File.expand_path(path)
  project_hash = MD5.digest(project_path)
  project_cache = File.join(tmp, project_hash)

  swcs = FileUtils["#{project_path}/**/*.swc"]
  handled_swc_paths = []
  swcs.each do |swc|
    handled_swc_paths << handle_swc(project_cache, swc)
  end
  
  remove_unused_cached_swcs handled_swc_paths
end

def remove_unused_cached_swcs handled_swc_paths
  cached_swcs = FileUtils["#{project_cache}/*"]
  cached_swcs.each do |cached_swc|
    if(!handled_swc_paths.includes?(cached_swc))
      FileUtils.rm cached_swc
    end
  end
end

def handle_swc cached_project, swc
  swc_hash = MD5.digest(File.read(swc))
  swc_path = File.join(cached_project, swc_hash)
  if(!File.exists?(swc_path))
    create_swc_cache(swc_path, swc)
  end
  swc_path
end