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Class: ActionView::LogSubscriber

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveSupport::LogSubscriber, ::ActiveSupport::Subscriber
Instance Chain:
self, ::ActiveSupport::LogSubscriber, ::ActiveSupport::Subscriber
Inherits: ActiveSupport::LogSubscriber
Defined in: actionview/lib/action_view/log_subscriber.rb

Overview

Provides functionality so that ::Rails can output logs from Action View.

Constant Summary

::ActiveSupport::LogSubscriber - Inherited

BLACK, BLUE, BOLD, CLEAR, CYAN, GREEN, MAGENTA, RED, WHITE, YELLOW

Class Attribute Summary

::ActiveSupport::LogSubscriber - Inherited

.colorize_logging, .logger, .logger=

Class Method Summary

::ActiveSupport::LogSubscriber - Inherited

.flush_all!

Flush all log_subscribers’ logger.
.log_subscribers

::ActiveSupport::Subscriber - Inherited

.attach_to

Attach the subscriber to a namespace.
.method_added

Adds event subscribers for all new methods added to the class.
.new, .subscribers, .add_event_subscriber

Instance Attribute Summary

::ActiveSupport::LogSubscriber - Inherited

#colorize_logging

Instance Method Summary

::ActiveSupport::LogSubscriber - Inherited

#finish, #logger, #start,
#color

Set color by using a symbol or one of the defined constants.

::ActiveSupport::Subscriber - Inherited

#finish, #start

Constructor Details

.new ⇒ LogSubscriber

[ GitHub ] 

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 12



def initialize
  @root = nil
  super
end


  







Instance Method Details



  

    #cache_message(payload)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 77



def cache_message(payload) # :doc:
  case payload[:cache_hit]
  when :hit
    "[cache hit]"
  when :miss
    "[cache miss]"
  end
end


  








  

    #from_rails_root(string)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 59



def from_rails_root(string) # :doc:
  string = string.sub(rails_root, EMPTY)
  string.sub!(VIEWS_PATTERN, EMPTY)
  string
end


  








  

    #logger  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 52



def logger
  ActionView::Base.logger
end


  








  

    #rails_root   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 65



def rails_root # :doc:
  @root ||= "#{Rails.root}/"
end


  








  

    #render_collection(event)  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 35



def render_collection(event)
  identifier = event.payload[:identifier] || "templates"

  info do
    "  Rendered collection of #{from_rails_root(identifier)}" \
    " #{render_count(event.payload)} (#{event.duration.round(1)}ms)"
  end
end


  








  

    #render_count(payload)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 69



def render_count(payload) # :doc:
  if payload[:cache_hits]
    "[#{payload[:cache_hits]} / #{payload[:count]} cache hits]"
  else
    "[#{payload[:count]} times]"
  end
end


  








  

    #render_partial(event)  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 25



def render_partial(event)
  info do
    message = "  Rendered #{from_rails_root(event.payload[:identifier])}".dup
    message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
    message << " (#{event.duration.round(1)}ms)"
    message << " #{cache_message(event.payload)}" unless event.payload[:cache_hit].nil?
    message
  end
end


  








  

    #render_template(event)  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 17



def render_template(event)
  info do
    message = "  Rendered #{from_rails_root(event.payload[:identifier])}".dup
    message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
    message << " (#{event.duration.round(1)}ms)"
  end
end


  








  

    #start(name, id, payload)  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/log_subscriber.rb', line 44



def start(name, id, payload)
  if name == "render_template.action_view"
    log_rendering_start(payload)
  end

  super
end