Class: Concen::Response

Inherits:
Object
  • Object
show all
Includes:
Mongoid::Document, Mongoid::Timestamps
Defined in:
app/models/concen/response.rb

Class Method Summary collapse

Class Method Details

.aggregate_average_runtime(*args) ⇒ Object 



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# File 'app/models/concen/response.rb', line 18

def self.aggregate_average_runtime(*args)
  options = args.extract_options!

  if options[:type]
    runtime_type = "#{options[:type]}_runtime"
  else
    runtime_type = "total_runtime"
  end

  map = <<-EOF
    function() {
      emit(this.controller + "#" + this.action, this.#{runtime_type});
    }
  EOF

  reduce = <<-EOF
    function(controller_action, runtimes) {
      var runtime = 0;
      for (index in runtimes) { runtime += runtimes[index]; };
      return runtime/runtimes.length;
    }
  EOF

  begin
    results = self.collection.map_reduce(map, reduce, :out => {:inline => 1}, :raw => true)["results"]
    results = results.sort {|x,y| y["value"] <=> x["value"]}
    results = results[0..options[:limit]-1] if options[:limit]
    results = results.map do |result|
      [result["_id"], result["value"]]
    end
  rescue
    results = []
  end

  return results
end