Class: Tng::Analyzers::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/tng/analyzers/service.rb

Class Method Summary collapse

Class Method Details

.extract_method_names(node, methods) ⇒ Object 



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# File 'lib/tng/analyzers/service.rb', line 85

def self.extract_method_names(node, methods)
  return unless node.is_a?(Prism::Node)

  case node
  when Prism::DefNode
    # Both instance and class methods (def self.method_name)
    methods << node.name.to_s

  when Prism::SingletonClassNode
    # Methods inside class << self blocks
    node.body&.child_nodes&.each do |child|
      extract_method_names(child, methods)
    end
  end

  node.child_nodes.each do |child|
    extract_method_names(child, methods)
  end
end

.files_in_dir(dir = nil) ⇒ Object 



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# File 'lib/tng/analyzers/service.rb', line 6

def self.files_in_dir(dir = nil)
  base_dirs = if dir.nil?
                ["app/services", "app/service"].select { |d| Dir.exist?(File.join(Dir.pwd, d)) }
              else
                [dir]
              end

  return [] if base_dirs.empty?

  base_dirs.flat_map do |base_dir|
    full_path = File.join(Dir.pwd, base_dir)
    find_service_files(full_path)
  end
end

.find_service_files(dir) ⇒ Object 



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# File 'lib/tng/analyzers/service.rb', line 105

def self.find_service_files(dir)
  return [] unless Dir.exist?(dir)

  Dir.glob(File.join(dir, "**", "*.rb")).map do |file_path|
    relative_path = file_path.gsub("#{Dir.pwd}/", "")
    {
      file: File.basename(file_path),
      path: file_path,
      relative_path: relative_path
    }
  end
end

.methods_for_service(service_name) ⇒ Object 



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# File 'lib/tng/analyzers/service.rb', line 27

def self.methods_for_service(service_name)
  raise "service_name is required" if service_name.nil?

  begin
    # Load the service class
    service_class = service_name.constantize

    instance_methods = service_class.public_instance_methods(false)
    class_methods = service_class.public_methods(false) - Class.public_methods

    # Try to get source file from any method, fallback to const_source_location
    service_file = nil

    # First try to get file from an instance method
    if instance_methods.any?
      begin
        service_file = service_class.instance_method(instance_methods.first).source_location&.first
      rescue StandardError
        # Method might not have source location, continue
      end
    end

    # Fallback to const_source_location if no method source found
    service_file ||= Object.const_source_location(service_class.name)&.first

    service_methods = if service_file && File.exist?(service_file)
                        source_code = File.read(service_file)
                        result = Prism.parse(source_code)

                        defined_methods = []
                        extract_method_names(result.value, defined_methods)

                        filtered_instance_methods = instance_methods.select do |method_name|
                          method = service_class.instance_method(method_name)
                          next false unless method.owner == service_class

                          defined_methods.include?(method_name.to_s)
                        end

                        filtered_class_methods = class_methods.select do |method_name|
                          defined_methods.include?(method_name.to_s)
                        end

                        filtered_instance_methods + filtered_class_methods
                      else
                        []
                      end

    service_methods.map { |method_name| { name: method_name.to_s } }
  rescue NameError => e
    puts "❌ Could not load service class #{service_name}: #{e.message}"
    []
  rescue StandardError => e
    puts "❌ Error analyzing service #{service_name}: #{e.message}"
    []
  end
end

.value_for_service(file_path) ⇒ Object 



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# File 'lib/tng/analyzers/service.rb', line 21

def self.value_for_service(file_path)
  raise "file_path is required" if file_path.nil?

  Tng::Analyzer::Service.parse_service_file(file_path)
end