#378 FnordMetric

brew install redis
redis-server /usr/local/etc/redis.conf
gem install fnordmetric
ruby full_example.rb

require "fnordmetric"

FnordMetric.namespace :store do
  hide_active_users
  
  toplist_gauge :popular_products, title: "Popular Products"

  distribution_gauge :popular_prices, title: "Popular Prices",
    value_ranges: [0..5, 5..10, 10..20, 20..50, 50..10000]

  gauge :product_views_per_second, tick: 1.second
  widget "Product Views",
    title: "Views per Second",
    type: :timeline,
    width: 100,
    gauges: :product_views_per_second,
    include_current: true,
    autoupdate: 1
  
  event :view_product do
    observe :popular_products, data[:name]
    observe :popular_prices, data[:price]
    incr :product_views_per_second
  end
end

FnordMetric::Web.new(port: 4242)
FnordMetric::Worker.new
FnordMetric.run

FNORD_METRIC = FnordMetric::API.new

def trigger_view_event
  FNORD_METRIC.event(attributes.merge(_type: :view_product))
end

namespace :fnordmetric do
  desc "Populate FnordMetric with events to simulate user activity"
  task :populate => :environment do
    products = Product.all
    loop do
      products.sample.trigger_view_event
      sleep(rand)
    end
  end
end