gistfile1.rb

  #
  # Here, we query all JobSeekers where any of their "desired 
  # specializations" match any of the job's "required specializations"
  # AND any of their "desired positions" match any of the job's...etc
  #
  # We also only want JobSeekers who have NOT accepted this job.
  #
  # And we do a fulltext keyword search too, just for fun.
  #

  job = Job.find(...)

  Sunspot.search(JobSeeker) do
    keywords params[:s]
    with(:desired_specializations, job.required_specializations)
    with(:desired_positions, job.required_positions)
    with(:desired_locations, job.required_locations)
    without(:accepted_job_ids, job.id)
    paginate :page => params[:page]
  end.results