Class: RailsMcpInsight::Tools::TraceRequest

Inherits:
MCP::Tool
  • Object
show all
Defined in:
lib/rails_mcp_insight/tools/trace_request.rb

Class Method Summary collapse

Class Method Details

.call(method:, path:, server_context:) ⇒ Object 



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# File 'lib/rails_mcp_insight/tools/trace_request.rb', line 23

def self.call(method:, path:, server_context:)
  config = Configuration.new(project_path: server_context&.dig(:project_path) || Dir.pwd)
  ast_parser = Analyzers::AstParser.new

  # Step 1: Find the matching route
  route_analyzer = Analyzers::RouteAnalyzer.new(config)
  routes = route_analyzer.search(query: path, method: method)
  matched_route = find_best_route_match(routes, path, method)

  unless matched_route
    return MCP::Tool::Response.new([{
                                     type: "text",
                                     text: JSON.pretty_generate({ error: "No route matches #{method} #{path}" })
                                   }])
  end

  # Step 2: Analyze the controller
  controller_name, action_name = parse_controller_action(matched_route[:controller_action])
  controller_analyzer = Analyzers::ControllerAnalyzer.new(config, ast_parser: ast_parser)
  controller_info = controller_analyzer.analyze(controller_name)

  # Step 3: Find model operations from the controller action code
  model_analyzer = Analyzers::ModelAnalyzer.new(config, ast_parser: ast_parser)
  models_used = detect_models_in_controller(config, controller_name, action_name, model_analyzer)

  # Step 4: Find side effects (jobs, mailers)
  Analyzers::JobAnalyzer.new(config, ast_parser: ast_parser)
  side_effects = detect_side_effects(config, controller_name, action_name)

  result = {
    route: matched_route,
    controller: if controller_info
                  {
                    name: controller_name,
                    action: action_name,
                    before_actions: filter_relevant_filters(controller_info[:before_actions],
                                                            action_name),
                    after_actions: filter_relevant_filters(controller_info[:after_actions], action_name),
                    strong_params: controller_info[:strong_params]
                  }
                end,
    model_operations: models_used,
    side_effects: side_effects
  }

  MCP::Tool::Response.new([{ type: "text", text: JSON.pretty_generate(result) }])
end