* Favoring dependent: :delete_all over :destroy The `dependent: :destroy` callback is slower than `dependent: :delete` and `dependent: :delete_all`. We need only favor the `dependent: :destroy` when there's callbacks that happen. In the case of :destroy, ActiveRecord instantiates each object and then runs destroy. Whereas in the case of :delete, ActiveRecord issues a SQL command to delete the related files. It is often "safer" to use :destroy, as it guarantees that you'll instantiate the record and run it's callbacks. But sometimes you have to go with the speed of SQL. This relates to #14140. Note there is still more to consider, but given that we're looking at moving from :destroy on all of an article's page views to :delete, we might buy enough time in the callback. * Removing redundancy of article destroy Prior to this commit, `before_destroy_actions` called the `bust_cache` method which in turn called `touch_actor_latest_article_updated_at` but `bust_cache` did not pass the destroying parameter. Then `before_destroy_actions` immediately called `touch_actor_latest_article_updated_at` with `destroying: true`. With this change, we remove one of those duplicate calls. * Fixing specs regarding relationships * Fixing specs regarding relationships
25 lines
1 KiB
Ruby
25 lines
1 KiB
Ruby
# @note When we destroy the related user, it's using dependent:
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# :delete for the relationship. That means no before/after
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# destroy callbacks will be called on this object.
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#
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# @note When we destroy the related article, it's using dependent:
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# :delete for the relationship. That means no before/after
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# destroy callbacks will be called on this object.
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class NotificationSubscription < ApplicationRecord
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belongs_to :notifiable, polymorphic: true
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belongs_to :user
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validates :config, presence: true, inclusion: { in: %w[all_comments top_level_comments only_author_comments] }
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validates :notifiable_id, presence: true
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validates :notifiable_type, presence: true, inclusion: { in: %w[Comment Article] }
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validates :user_id, uniqueness: { scope: %i[notifiable_type notifiable_id] }
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class << self
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def update_notification_subscriptions(notifiable)
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NotificationSubscriptions::UpdateWorker.perform_async(
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notifiable.id,
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notifiable.class.name,
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)
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end
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end
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end
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