Class: Profiler::MCP::Tools::QueryProfiles

Inherits:
Object
  • Object
show all
Defined in:
lib/profiler/mcp/tools/query_profiles.rb

Constant Summary collapse

ALL_FIELDS = 
%w[time type method path duration queries status token].freeze

Class Method Summary collapse

Class Method Details

.call(params) ⇒ Object 



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# File 'lib/profiler/mcp/tools/query_profiles.rb', line 11

def self.call(params)
  storage = MCP::SlaveSupport.resolve_storage(params)
  limit = params["limit"]&.to_i || 20
  fetch_size = [limit * 5, 500].min
  profiles = storage.list(limit: fetch_size)

  profiles = profiles.select { |p| p.path&.include?(params["path"]) } if params["path"]
  profiles = profiles.select { |p| p.method == params["method"]&.upcase } if params["method"]
  if params["min_duration"]
    min_dur = params["min_duration"].to_f
    profiles = profiles.select { |p| p.duration && p.duration >= min_dur }
  end
  profiles = profiles.select { |p| p.profile_type == params["profile_type"] } if params["profile_type"]

  if params["cursor"]
    cutoff = Time.parse(params["cursor"]) rescue nil
    profiles = profiles.select { |p| p.started_at < cutoff } if cutoff
  end

  profiles = profiles.first(limit)
  fields = params["fields"]&.map(&:to_s)

  text = format_profiles_table(profiles, fields, limit)
  [{ type: "text", text: text }]
end

.format_profiles_table(profiles, fields, limit) ⇒ Object 



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

def self.format_profiles_table(profiles, fields, limit)
  return "No profiles found matching the criteria." if profiles.empty?

  fields ||= ALL_FIELDS
  fields = fields & ALL_FIELDS  # only allow valid fields

  lines = []
  lines << "# Profiled Requests\n"
  lines << "Found #{profiles.size} profiles:\n"

  header = fields.map { |f| f.capitalize }.join(" | ")
  separator = fields.map { |_| "------" }.join("|")
  lines << "| #{header} |"
  lines << "|#{separator}|"

  profiles.each do |profile|
    db_data = profile.collector_data("database")
    query_count = db_data ? db_data["total_queries"] : 0
    type = profile.profile_type || "http"

    row = fields.map do |f|
      case f
      when "time"     then profile.started_at&.strftime("%Y-%m-%d %H:%M:%S") || "-"
      when "type"     then type
      when "method"   then profile.method.to_s
      when "path"     then profile.path.to_s
      when "duration" then profile.duration ? "#{profile.duration.round(2)}ms" : "-"
      when "queries"  then query_count.to_s
      when "status"   then profile.status.to_s
      when "token"    then profile.token.to_s
      end
    end
    lines << "| #{row.join(' | ')} |"
  end

  if profiles.size == limit
    lines << ""
    lines << "*Next cursor: #{profiles.last.started_at.iso8601}*"
  end

  lines.join("\n")
end