Class: FnordMetric::MetricAPI

Inherits:
Object
  • Object
show all
Defined in:
lib/fnordmetric/metric_api.rb

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ MetricAPI

Returns a new instance of MetricAPI.



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# File 'lib/fnordmetric/metric_api.rb', line 3

def initialize(params)
  @params = params.to_options   
  @metric = FnordMetric.metrics.to_options[params[:name].to_sym] 
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/fnordmetric/metric_api.rb', line 8

def render
  return {:error => "metric not found"}.to_json unless @metric
  data = if @params[:at] && @params[:at] =~ /^[0-9]+$/
    { :value => @metric.at(Time.at(@params[:at].to_i)) }
  elsif @params[:at] && @params[:at] =~ /^([0-9]+)-([0-9]+)$/ && @params[:tick]
    { :values => tick_data }
  elsif @params[:at] && @params[:at] =~ /^([0-9]+)-([0-9]+)$/
    { :value => range_data }
  else
    { :value => @metric.at(Time.now) }
  end    
  data.to_json
end