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41 lines
1002 B
Markdown
41 lines
1002 B
Markdown
[Back to Guides](../README.md)
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# Instrumentation
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ActiveModelSerializers uses the
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[ActiveSupport::Notification API](http://guides.rubyonrails.org/active_support_instrumentation.html#subscribing-to-an-event),
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which allows for subscribing to events, such as for logging.
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## Events
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Name:
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`render.active_model_serializers`
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Payload (example):
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```ruby
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{
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serializer: PostSerializer,
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adapter: ActiveModel::Serializer::Adapter::Attributes
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}
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```
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Subscribing:
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```ruby
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ActiveSupport::Notifications.subscribe 'render.active_model_serializers' do |name, started, finished, unique_id, data|
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# whatever
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end
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ActiveSupport::Notifications.subscribe 'render.active_model_serializers' do |*args|
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event = ActiveSupport::Notifications::Event.new(*args)
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# event.payload
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# whatever
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end
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```
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## [LogSubscriber](http://api.rubyonrails.org/classes/ActiveSupport/LogSubscriber.html)
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ActiveModelSerializers includes an `ActiveModelSerializers::LogSubscriber` that attaches to
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`render.active_model_serializers`.
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