class ActionView::LogSubscriber
Action View Log Subscriber
Provides functionality so that Rails can output logs from Action View.
Inherits From
Constants
Public class methods
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 105
def self.attach_to(*)
ActiveSupport::Notifications.subscribe("render_template.action_view", ActionView::LogSubscriber::Start.new)
ActiveSupport::Notifications.subscribe("render_layout.action_view", ActionView::LogSubscriber::Start.new)
super
end
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 12
def initialize
@root = nil
super
end
Public instance methods
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 45
def render_collection(event)
identifier = event.payload[:identifier] || "templates"
debug do
message = +" Rendered collection of #{from_rails_root(identifier)}"
message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
message << " #{render_count(event.payload)} (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
message
end
end
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 37
def render_layout(event)
info do
message = +" Rendered layout #{from_rails_root(event.payload[:identifier])}"
message << " (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
end
end
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 26
def render_partial(event)
debug do
message = +" Rendered #{from_rails_root(event.payload[:identifier])}"
message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
message << " (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
message << " #{cache_message(event.payload)}" unless event.payload[:cache_hit].nil?
message
end
end
Source code 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])}"
message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
message << " (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
end
end
Private instance methods
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 121
def cache_message(payload) # :doc:
case payload[:cache_hit]
when :hit
"[cache hit]"
when :miss
"[cache miss]"
end
end
Source code GitHub
# File actionview/lib/action_view/log_subscriber.rb, line 113
def render_count(payload) # :doc:
if payload[:cache_hits]
"[#{payload[:cache_hits]} / #{payload[:count]} cache hits]"
else
"[#{payload[:count]} times]"
end
end