class Flatfoot::Tracker

Constants

DEFAULT_TARGET

Attributes

logged_views[RW]
roots[RW]
store[RW]
target[RW]

Public Class Methods

new(store, options = {}) click to toggle source
# File lib/flatfoot.rb, line 11
def initialize(store, options = {})
  @store = store
  @target = options[:target] || DEFAULT_TARGET
  @logged_views = []
  @roots = options.fetch(:roots){ "#{Rails.root.to_s}/" }.split(',')
end

Public Instance Methods

reset_recordings() click to toggle source
# File lib/flatfoot.rb, line 62
def reset_recordings
  store.del(tracker_key)
end
track_views(name, start, finish, id, payload) click to toggle source
# File lib/flatfoot.rb, line 18
def track_views(name, start, finish, id, payload)
  begin
    if file = payload[:identifier]
      unless logged_views.include?(file)
        logged_views << file
        store.sadd(tracker_key, file)
      end
    end
    ###
    # Annoyingly while you get full path for templates
    # notifications only pass part of the path for layouts dropping any format info
    # such as .html.erb or .js.erb
    # http://edgeguides.rubyonrails.org/active_support_instrumentation.html#render_partial-action_view
    ###
    if layout_file = payload[:layout]
      unless logged_views.include?(layout_file)
        logged_views << layout_file
        store.sadd(tracker_key, layout_file)
      end
    end
  rescue Errno::EAGAIN, Timeout::Error
    #we don't want to raise errors if flatfoot can't reach redis. This is a nice to have not a bring the system down
  end
end
unused_views() click to toggle source
# File lib/flatfoot.rb, line 55
def unused_views
  recently_used_views = used_views
  all_views = target.reject{ |view| recently_used_views.include?(view) }
  # since layouts don't include format we count them used if they match with ANY formats
  all_views = all_views.reject{ |view| view.match(/\/layouts\//) && recently_used_views.any?{|used_view| view.include?(used_view)} }
end
used_views() click to toggle source
# File lib/flatfoot.rb, line 43
def used_views
  views = store.smembers(tracker_key)
  normalized_views = []
  views.each do |view|
    roots.each do |root|
      view = view.gsub(/#{root}/,'')
    end
    normalized_views << view
  end
  normalized_views
end

Private Instance Methods

tracker_key() click to toggle source
# File lib/flatfoot.rb, line 68
def tracker_key
  'render_tracker'
end