Class: Tng::Analyzers::Model

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

Class Method Summary collapse

Class Method Details

.extract_method_names(node, methods, synthetic_methods = [], scopes = [], validations = []) ⇒ Object 



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# File 'lib/tng/analyzers/model.rb', line 89

def self.extract_method_names(node, methods, synthetic_methods = [], scopes = [], validations = [])
  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::CallNode
    # Handle scope definitions: scope :name, -> { ... }
    if node.name == :scope && node.arguments&.arguments&.any?
      first_arg = node.arguments.arguments.first
      if first_arg.is_a?(Prism::SymbolNode)
        scope_name = first_arg.value
        scopes << scope_name if scope_name
      end
    # Handle validation macros
    elsif node.name.to_s.start_with?("validate") && node.arguments&.arguments&.any?
      if node.name == :validate
        # Custom validation: validate :method_name -> extract actual method
        node.arguments.arguments.each do |arg|
          if arg.is_a?(Prism::SymbolNode)
            validation_method = arg.value
            validations << validation_method if validation_method
          end
        end
      else
        # Built-in validations: validates :attr, :attr2, ... -> add to validations
        node.arguments.arguments.each do |arg|
          if arg.is_a?(Prism::SymbolNode)
            attr_name = arg.value
            validations << attr_name if attr_name
          end
        end
      end
    end
  when Prism::SingletonClassNode
    # Methods inside class << self blocks
    node.body&.child_nodes&.each do |child|
      extract_method_names(child, methods, synthetic_methods, scopes, validations)
    end
  end

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

.files_in_dir(dir = nil) ⇒ Object 



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

def self.files_in_dir(dir = nil)
  dir = File.join(Dir.pwd, "app/models") if dir.nil?
  Tng::Analyzer::Model.files_in_dir(dir.to_s)
end

.methods_for_model(model_name) ⇒ Object 



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# File 'lib/tng/analyzers/model.rb', line 26

def self.methods_for_model(model_name)
  raise "model_name is required" if model_name.nil?

  begin
    # Load the model class
    model_class = model_name.constantize

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

    model_file = Object.const_source_location(model_class.name)&.first

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

      defined_methods = []
      synthetic_methods = []
      scopes = []
      validations = []
      extract_method_names(result.value, defined_methods, synthetic_methods, scopes, validations)

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

      # Return array of hashes with type information
      instance_method_hashes = filtered_instance_methods.map do |name|
        { name: name.to_s, type: "instance_method" }
      end
      class_method_hashes = filtered_class_methods.map do |name|
        { name: name.to_s, type: "class_method" }
      end
      synthetic_method_hashes = synthetic_methods.map do |name|
        { name: name.to_s, type: "synthetic" }
      end
      scope_hashes = scopes.map do |name|
        { name: name.to_s, type: "scope" }
      end
      validation_hashes = validations.map do |name|
        { name: name.to_s, type: "validation" }
      end

      instance_method_hashes + class_method_hashes + synthetic_method_hashes + scope_hashes + validation_hashes
    else
      []
    end
  rescue NameError => e
    puts "❌ Could not load model class #{model_name}: #{e.message}"
    []
  rescue StandardError => e
    puts "❌ Error analyzing model #{model_name}: #{e.message}"
    []
  end
end

.model_connections(model) ⇒ Object 



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# File 'lib/tng/analyzers/model.rb', line 17

def self.model_connections(model)
  raise "model is required" if model.nil?

  file_path = model.is_a?(Hash) ? model[:path] : model
  raise "model path is required" if file_path.nil?

  Tng::Analyzer::Model.model_connections(file_path.to_s)
end

.value_for_model(file_path) ⇒ Object 



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# File 'lib/tng/analyzers/model.rb', line 11

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

  Tng::Analyzer::Model.parse_model_file(file_path)
end