Class: Glimpse::Views::Rails

Inherits:
View
  • Object
show all
Defined in:
lib/glimpse/views/rails.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Rails

This view displays the milliseconds spent in the following:

  • the controller action

  • processing sql (0 if no sql is run)

  • rendering views

These values are reported by the ActiveSupport::Notification named ‘process_action.action_controller`.

See also edgeguides.rubyonrails.org/active_support_instrumentation.html



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# File 'lib/glimpse/views/rails.rb', line 15

def initialize(options = {})
  @event = nil

  # This isn't fired off until the action is complete. But the glimpse
  # bar and results are part of the action
  ActiveSupport::Notifications.subscribe "process_action.action_controller" do |*args|
    @event = ActiveSupport::Notifications::Event.new(*args)
  end
end

Instance Method Details

#results ⇒ Object

Deferred results are injected into the html body after results finish rendering



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# File 'lib/glimpse/views/rails.rb', line 26

def results
  {
    :controller => "#{@event.duration.to_i}ms controller",
    :sql        => "#{@event.payload[:db_runtime].to_i}ms sql", # not documented?
    :views      => "#{@event.payload[:view_runtime].to_i}ms views"
  }
rescue
  # TODO: log an error here, or display it in the view
  {}
end