Class: Concen::Visit::Page

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

Class Method Summary collapse

Class Method Details

.aggregate_count_by_time(*args) ⇒ Object 



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# File 'app/models/concen/visit/page.rb', line 47

def self.aggregate_count_by_time(*args)
  options = args.extract_options!
  if hour = options[:hour]
    hour = hour.to_i
    current_time = Time.now.utc
    end_time = options[:start_time] || Time.utc(current_time.year, current_time.month, current_time.day, current_time.hour)
    start_time = end_time - (hour-1).hours
    hours = []
    (0..hour-1).each do |h|
      hours << (end_time - h.hours).to_i
    end

    map = "      function() {\n        var hours = \#{hours.to_json};\n        for (index in hours) {\n          if (this.hour.getTime() == hours[index]*1000) {\n            emit(hours[index], this.count);\n          } else {\n            emit(hours[index], 0);\n          };\n        };\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    query = {:hour => {\"$gte\" => start_time, \"$lte\" => end_time}}\n\n    begin\n      results = self.collection.map_reduce(map, reduce, :out => {:inline => 1}, :raw => true, :query => query)[\"results\"]\n      results = results.sort { |x,y| x[\"id\"] <=> y[\"id\"] }\n      results = results.map do |result|\n        time = result[\"_id\"].to_i\n        time *= 1000 if options[:precision] == \"millisecond\"\n        [time, result[\"value\"].to_i]\n      end\n    rescue\n      results = []\n    end\n\n    return results\n  end\nend\n"

.aggregate_count_by_url(*args) ⇒ Object 



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# File 'app/models/concen/visit/page.rb', line 16

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

  map = "    function() {\n      emit(this.url, this.count);\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  begin\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\n  rescue\n    results = []\n  end\n\n  return results\nend\n"