Module: TreasureData::Logger::Agent::Rails::ModelExtension::ClassMethods

Defined in:
lib/td/logger/agent/rails/model.rb

Instance Method Summary collapse

Instance Method Details

#td_enable_model_tracer(tag, options = {}) ⇒ Object 



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# File 'lib/td/logger/agent/rails/model.rb', line 37

def td_enable_model_tracer(tag, options={})
  only = nil
  except = nil
  static = {}

  if o = options[:only]
    only = case o
           when Array
             o
           else
             [o]
           end.map {|e| e.to_s }
  end

  if o = options[:except]
    except = case o
             when Array
               o
             else
               [o]
             end.map {|e| e.to_s }
  end

  if o = options[:static]
    o.each_pair {|k,v|
      static[k.to_s] = v
    }
  end

  if defined?(after_commit)
    # Rails 3
    m = :after_commit
  else
    # Rails 2
    m = :after_save
  end

  __send__(m) do |record|
    data = {}
    record.attribute_names.each {|name|
      name = name.to_s
      if (!only || only.include?(name)) && (!except || !except.include?(name))
        data[name] = record.read_attribute(name)
      end
    }
    static.each_pair {|k,v|
      data[k] = v
    }
    if time = data['updated_at'] && time.is_a?(Time)
      data['time'] = time.to_i
      data.delete('updated_at')
    end
    TreasureData.log(tag, data)
  end
end