Class: RailsAiContext::Tools::PerformanceCheck

Inherits:
BaseTool
  • Object
show all
Defined in:
lib/rails_ai_context/tools/performance_check.rb

Constant Summary

Constants inherited from BaseTool

BaseTool::SESSION_CONTEXT, BaseTool::SHARED_CACHE

Class Method Summary collapse

Methods inherited from BaseTool

abstract!, abstract?, cache_key, cached_context, config, extract_method_source_from_file, extract_method_source_from_string, find_closest_match, fuzzy_find_key, inherited, not_found_response, paginate, rails_app, registered_tools, reset_all_caches!, reset_cache!, session_queries, session_record, session_reset!, set_call_params, text_response

Class Method Details

.call(model: nil, category: "all", detail: "standard", server_context: nil) ⇒ Object 



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# File 'lib/rails_ai_context/tools/performance_check.rb', line 34

def self.call(model: nil, category: "all", detail: "standard", server_context: nil)
  data = cached_context[:performance]

  unless data.is_a?(Hash) && !data[:error]
    return text_response("No performance data available. Ensure :performance introspector is enabled.")
  end

  model = model.to_s.strip if model

  # Validate model exists if specified
  if model && !model.empty?
    models_data = cached_context[:models]
    if models_data.is_a?(Hash) && !models_data[:error]
      model_names = models_data.keys.map(&:to_s)
      unless model_names.any? { |m| m.downcase == model.downcase }
        return not_found_response("Model", model, model_names,
          recovery_tool: "Call rails_performance_check() without model filter to see all issues")
      end
    end
  end

  lines = [ "# Performance Analysis", "" ]

  # Collect all items then filter, so the count reflects actual displayed results
  all_sections = {}
  all_sections[:n_plus_one] = data[:n_plus_one_risks] || []
  all_sections[:counter_cache] = data[:missing_counter_cache] || []
  all_sections[:indexes] = data[:missing_fk_indexes] || []
  all_sections[:model_all] = data[:model_all_in_controllers] || []
  all_sections[:eager_load] = data[:eager_load_candidates] || []

  # Apply model filter to count
  filtered_count = if model && !model.empty?
    all_sections.values.sum { |items| filter_items(items, model).size }
  elsif category != "all"
    (all_sections[category.to_sym] || []).size
  else
    all_sections.values.sum(&:size)
  end

  lines << "**Total issues found:** #{filtered_count}"
  lines << ""

  if detail == "summary"
    n1_items = filter_items(all_sections[:n_plus_one], model)
    lines << "- N+1 risks: #{n1_items.size}#{risk_summary_counts(n1_items)}"
    lines << "- Missing counter_cache: #{filter_items(all_sections[:counter_cache], model).size}"
    lines << "- Missing FK indexes: #{filter_items(all_sections[:indexes], model).size}"
    lines << "- Model.all in controllers: #{filter_items(all_sections[:model_all], model).size}"
    lines << "- Eager load candidates: #{filter_items(all_sections[:eager_load], model).size}"
  else
    if category == "all" || category == "n_plus_one"
      lines.concat(render_n_plus_one_section(data[:n_plus_one_risks], model, detail))
    end
    if category == "all" || category == "counter_cache"
      lines.concat(render_section("Missing counter_cache", data[:missing_counter_cache], model, detail))
    end
    if category == "all" || category == "indexes"
      lines.concat(render_section("Missing FK Indexes", data[:missing_fk_indexes], model, detail))
    end
    if category == "all" || category == "model_all"
      lines.concat(render_section("Model.all in Controllers", data[:model_all_in_controllers], model, detail))
    end
    if category == "all" || category == "eager_load"
      lines.concat(render_section("Eager Load Candidates", data[:eager_load_candidates], model, detail))
    end
  end

  if filtered_count == 0
    lines << "No performance issues detected#{model && !model.empty? ? " for #{model}" : ""}. Your app looks good!"
  end

  text_response(lines.join("\n"))
end