Class: ActionController::StructuredEventSubscriber

Inherits:
ActiveSupport::StructuredEventSubscriber
  • Object
show all
Defined in:
lib/action_controller/structured_event_subscriber.rb

Overview

:nodoc:

Constant Summary collapse

INTERNAL_PARAMS = 
%w(controller action format _method only_path)

Instance Method Summary collapse

Instance Method Details

#exist_fragment?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_controller/structured_event_subscriber.rb', line 87

def exist_fragment?(event)
  fragment_cache(__method__, event)
end

#expire_fragment(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 91

def expire_fragment(event)
  fragment_cache(__method__, event)
end

#halted_callback(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 43

def halted_callback(event)
  emit_event("action_controller.callback_halted", filter: event.payload[:filter])
end

#process_action(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 25

def process_action(event)
  payload = event.payload
  status = payload[:status]

  if status.nil? && (exception_class_name = payload[:exception]&.first)
    status = ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
  end

  emit_event("action_controller.request_completed", {
    controller: payload[:controller],
    action: payload[:action],
    status: status,
    **additions_for(payload),
    duration_ms: event.duration.round(2),
    gc_time_ms: event.gc_time.round(1),
  }.compact)
end

#read_fragment(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 83

def read_fragment(event)
  fragment_cache(__method__, event)
end

#redirect_to(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 60

def redirect_to(event)
  emit_event("action_controller.redirected", location: event.payload[:location])
end

#rescue_from_callback(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 47

def rescue_from_callback(event)
  exception = event.payload[:exception]
  emit_event("action_controller.rescue_from_handled",
    exception_class: exception.class.name,
    exception_message: exception.message,
    exception_backtrace: exception.backtrace&.first&.delete_prefix("#{Rails.root}/")
  )
end

#send_data(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 64

def send_data(event)
  emit_event("action_controller.data_sent", filename: event.payload[:filename], duration_ms: event.duration.round(1))
end

#send_file(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 56

def send_file(event)
  emit_event("action_controller.file_sent", path: event.payload[:path], duration_ms: event.duration.round(1))
end

#start_processing(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 7

def start_processing(event)
  payload = event.payload
  params = {}
  payload[:params].each_pair do |k, v|
    params[k] = v unless INTERNAL_PARAMS.include?(k)
  end
  format = payload[:format]
  format = format.to_s.upcase if format.is_a?(Symbol)
  format = "*/*" if format.nil?

  emit_event("action_controller.request_started",
    controller: payload[:controller],
    action: payload[:action],
    format:,
    params:,
  )
end

#unpermitted_parameters(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 68

def unpermitted_parameters(event)
  unpermitted_keys = event.payload[:keys]
  context = event.payload[:context]

  emit_debug_event("action_controller.unpermitted_parameters",
    unpermitted_keys:,
    context: context.except(:request)
  )
end

#write_fragment(event) ⇒ Object 



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# File 'lib/action_controller/structured_event_subscriber.rb', line 79

def write_fragment(event)
  fragment_cache(__method__, event)
end