Class: RailsMcpInsight::Tools::ExplainAssociationChain

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

Class Method Summary collapse

Class Method Details

.call(from:, to:, server_context:) ⇒ Object 



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# File 'lib/rails_mcp_insight/tools/explain_association_chain.rb', line 21

def self.call(from:, to:, server_context:)
  config = Configuration.new(project_path: server_context&.dig(:project_path) || Dir.pwd)
  analyzer = Analyzers::ModelAnalyzer.new(config)

  # Build association graph
  all_models = analyzer.list_all
  graph = {}

  all_models.each do |model|
    full_info = analyzer.analyze(model[:name])
    next unless full_info

    graph[model[:name]] = (full_info[:associations] || []).map do |assoc|
      target = classify_name(assoc[:name])
      { type: assoc[:type], name: assoc[:name], target: target }
    end
  end

  # BFS to find all paths (up to depth 5)
  paths = find_paths(graph, from, to, max_depth: 5)

  result = {
    from: from,
    to: to,
    paths_found: paths.length,
    paths: paths.map { |path| format_path(path) }
  }

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