class RailsSemanticLogger::ActionView::LogSubscriber

Output Semantic logs from Action View.

Constants

EMPTY
VIEWS_PATTERN

Attributes

logger[R]
rendered_log_level[RW]

Public Class Methods

attach_to(*) click to toggle source
Calls superclass method
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 118
def self.attach_to(*)
  ActiveSupport::Notifications.unsubscribe("render_template.action_view")
  ActiveSupport::Notifications.unsubscribe("render_layout.action_view")
  ActiveSupport::Notifications.subscribe("render_template.action_view",
                                         RailsSemanticLogger::ActionView::LogSubscriber::Start.new)
  ActiveSupport::Notifications.subscribe("render_layout.action_view",
                                         RailsSemanticLogger::ActionView::LogSubscriber::Start.new)

  super
end
new() click to toggle source
Calls superclass method
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 14
def initialize
  @rails_root = nil
  super
end

Public Instance Methods

render_collection(event) click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 54
def render_collection(event)
  return unless should_log?

  identifier = event.payload[:identifier] || "templates"

  payload = {
    template: from_rails_root(identifier),
    count:    event.payload[:count]
  }
  payload[:cache_hits]  = event.payload[:cache_hits] if event.payload[:cache_hits]
  payload[:allocations] = event.allocations if event.respond_to?(:allocations)

  logger.measure(
    self.class.rendered_log_level,
    "Rendered",
    payload:  payload,
    duration: event.duration
  )
end
render_partial(event) click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 36
def render_partial(event)
  return unless should_log?

  payload = {
    partial: from_rails_root(event.payload[:identifier])
  }
  payload[:within]      = from_rails_root(event.payload[:layout]) if event.payload[:layout]
  payload[:cache]       = event.payload[:cache_hit] unless event.payload[:cache_hit].nil?
  payload[:allocations] = event.allocations if event.respond_to?(:allocations)

  logger.measure(
    self.class.rendered_log_level,
    "Rendered",
    payload:  payload,
    duration: event.duration
  )
end
render_template(event) click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 19
def render_template(event)
  return unless should_log?

  payload = {
    template: from_rails_root(event.payload[:identifier])
  }
  payload[:within]      = from_rails_root(event.payload[:layout]) if event.payload[:layout]
  payload[:allocations] = event.allocations if event.respond_to?(:allocations)

  logger.measure(
    self.class.rendered_log_level,
    "Rendered",
    payload:  payload,
    duration: event.duration
  )
end
start(name, id, payload) click to toggle source
Calls superclass method
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 74
def start(name, id, payload)
  if ["render_template.action_view", "render_layout.action_view"].include?(name) && should_log?
    qualifier        = " layout" if name == "render_layout.action_view"
    payload          = {template: from_rails_root(payload[:identifier])}
    payload[:within] = from_rails_root(payload[:layout]) if payload[:layout]

    logger.send(self.class.rendered_log_level, message: "Rendering#{qualifier}", payload: payload)
  end

  super
end

Private Instance Methods

from_rails_root(string) click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 141
def from_rails_root(string)
  string = string.sub(rails_root, EMPTY)
  string.sub!(VIEWS_PATTERN, EMPTY)
  string
end
logger() click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 151
def logger
  self.class.logger
end
rails_root() click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 147
def rails_root
  @rails_root ||= "#{Rails.root}/"
end
should_log?() click to toggle source
# File lib/rails_semantic_logger/action_view/log_subscriber.rb, line 137
def should_log?
  logger.send("#{self.class.rendered_log_level}?")
end