Class: Profiler::MCP::Tools::QueryJobs

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

Constant Summary collapse

ALL_FIELDS = 
%w[time job_class queue status duration gem_version token parent_token].freeze

Class Method Summary collapse

Class Method Details

.call(params) ⇒ Object 



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

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

  jobs = profiles.select { |p| p.profile_type == "job" }

  if params["queue"]
    jobs = jobs.select do |p|
      job_data = p.collector_data("job")
      job_data && job_data["queue"] == params["queue"]
    end
  end

  if params["status"]
    jobs = jobs.select do |p|
      job_data = p.collector_data("job")
      job_data && job_data["status"] == params["status"]
    end
  end

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

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

  [{ type: "text", text: format_jobs_table(jobs, fields, limit) }]
end

.format_jobs_table(jobs, fields, limit) ⇒ Object 



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# File 'lib/profiler/mcp/tools/query_jobs.rb', line 46

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

  fields ||= ALL_FIELDS
  fields = fields & ALL_FIELDS

  lines = []
  lines << "# Background Job Profiles\n"
  lines << "Found #{jobs.size} jobs:\n"

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

  jobs.each do |profile|
    job_data = profile.collector_data("job") || {}
    row = fields.map do |f|
      case f
      when "time"         then profile.started_at&.strftime("%H:%M:%S") || "-"
      when "job_class"    then job_data["job_class"] || profile.path
      when "queue"        then job_data["queue"] || "-"
      when "status"       then job_data["status"] || "-"
      when "duration"     then profile.duration ? "#{profile.duration.round(2)}ms" : "-"
      when "gem_version"
        v = profile.gem_version || "-"
        v != Profiler::VERSION ? "#{v} ⚠️" : v
      when "token"        then profile.token.to_s
      when "parent_token" then profile.parent_token || "-"
      end
    end
    lines << "| #{row.join(' | ')} |"
  end

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

  lines.join("\n")
end