62 lines
2.1 KiB
Ruby
62 lines
2.1 KiB
Ruby
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class CollectionSweeper < ActionController::Caching::Sweeper
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observe Collection, CollectionItem, CollectionParticipant, CollectionProfile, Work
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def after_create(record)
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record.add_to_autocomplete if record.is_a?(Collection)
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end
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def after_update(record)
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if record.is_a?(Collection) && (record.saved_change_to_name? || record.saved_change_to_title?)
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record.remove_stale_from_autocomplete
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record.add_to_autocomplete
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end
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end
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def after_save(record)
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expire_collection_cache_for(record)
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end
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def before_destroy(record)
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record.remove_from_autocomplete if record.is_a?(Collection)
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end
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def after_destroy(record)
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expire_collection_cache_for(record)
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end
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private
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# return one or many collections associated with the changed record
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# converted into an array
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def get_collections_from_record(record)
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if record.is_a?(Collection)
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# send collection, its parent, and any children
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([record, record.parent] + record.children).compact
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elsif record.respond_to?(:collection) && !record.collection.nil?
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([record.collection, record.collection.parent] + record.collection.children).compact
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elsif record.respond_to?(:collections)
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(record.collections + record.collections.collect(&:parent) + record.collections.collect(&:children).flatten).compact
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else
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[]
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end
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end
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# Whenever these records are updated, we need to blank out the collections cache
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def expire_collection_cache_for(record)
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collections = get_collections_from_record(record)
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collections.each do |collection|
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CollectionSweeper.expire_collection_blurb_and_profile(collection)
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end
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end
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# Expire the collection blurb and profile
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def self.expire_collection_blurb_and_profile(collection)
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# Expire both versions of the blurb, whether the user is logged in or not.
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%w[logged-in logged-out].each do |logged_in|
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cache_key = "collection-blurb-#{logged_in}-#{collection.id}-v4"
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ActionController::Base.new.expire_fragment(cache_key)
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end
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ActionController::Base.new.expire_fragment("collection-profile-#{collection.id}")
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end
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end
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