# app/models/post.rb

class Post
  
  searchable :auto_index => false, :auto_remove => false do
    text :title
    text :body
  end
  
  after_commit   :resque_solr_update, :if => :persisted?
  before_destroy :resque_solr_remove

protected

  def resque_solr_update
    Resque.enqueue(SolrUpdate, self.class.to_s, id)
  end
  
  def resque_solr_remove
    Resque.enqueue(SolrRemove, self.class.to_s, id)
  end
  
end


# lib/jobs/solr_update.rb

class SolrUpdate
  @queue = :solr
  
  def self.perform(classname, id)
    classname.constantize.find(id).solr_index
  end  
end


# lib/jobs/solr_remove.rb

class SolrRemove
  @queue = :solr
  
  def self.perform(classname, id)
    Sunspot.remove_by_id(classname, id)
  end  
end