Module: Profiler::MCP::BodyFormatter

Defined in:
lib/profiler/mcp/body_formatter.rb

Class Method Summary collapse

Class Method Details

.format_body(token, name, body, encoding, params) ⇒ Object

Formats a body string for MCP output.

params keys used:

"save_bodies"   (boolean) — save to /tmp/rails-profiler/{token}/{name} and return path
"max_body_size" (number)  — truncate inline body at N chars
"json_path"     (string)  — JSONPath to extract from body when save_bodies is true
"xml_path"      (string)  — XPath to extract from body when save_bodies is true

Returns a formatted string ready to embed in markdown, or nil if body is blank.



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# File 'lib/profiler/mcp/body_formatter.rb', line 15

def self.format_body(token, name, body, encoding, params)
  return "  *(binary, base64 encoded)*" if encoding == "base64"
  return nil if body.nil? || body.empty?

  if params["save_bodies"]
    path = FileCache.save(token, name, body)
    if path
      result = "  *(saved → `#{path}`)*"
      if params["json_path"]
        extracted = PathExtractor.extract_json(body, params["json_path"])
        result += "\n  `#{params['json_path']}` → `#{extracted}`"
      elsif params["xml_path"]
        extracted = PathExtractor.extract_xml(body, params["xml_path"])
        result += "\n  `#{params['xml_path']}` → `#{extracted}`"
      end
      result
    else
      truncate_body(body, params["max_body_size"])
    end
  else
    truncate_body(body, params["max_body_size"])
  end
end

.truncate_body(body, max_size) ⇒ Object 



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# File 'lib/profiler/mcp/body_formatter.rb', line 39

def self.truncate_body(body, max_size)
  max = max_size&.to_i
  content = if max && body.length > max
    "#{body[0, max]}\n... [truncated, #{body.length} chars total]"
  else
    body
  end
  "```\n#{content}\n```"
end