Class: Concen::Visit::Referral

Inherits:
Object
  • Object
show all
Includes:
Mongoid::Document
Defined in:
app/models/concen/visit/referral.rb

Class Method Summary collapse

Class Method Details

.aggregate_count_by_domain(*args) ⇒ Object 



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# File 'app/models/concen/visit/referral.rb', line 17

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

  map = "    function() {\n      if (this.domain != null) {\n        emit(this.domain, this.count);\n      };\n    }\n  EOF\n\n  reduce = <<-EOF\n    function(time, counts) {\n      var count = 0;\n      for (index in counts) { count += counts[index]; };\n      return count;\n    }\n  EOF\n\n  results = self.collection.map_reduce(map, reduce, :out => {:inline => 1}, :raw => true)[\"results\"]\n  results = results.sort {|x,y| y[\"value\"] <=> x[\"value\"]}\n  results = results[0..options[:limit]-1] if options[:limit]\n  results = results.map do |result|\n    [result[\"_id\"], result[\"value\"].to_i]\n  end\nend\n"