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ac6e6c6b99
Link to the corresponding ActiveStorage::Blob methods, whose docs more accurately describe their effects. [ci skip]
49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require "active_support/core_ext/module/delegation"
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# Attachments associate records with blobs. Usually that's a one record-many blobs relationship,
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# but it is possible to associate many different records with the same blob. If you're doing that,
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# you'll want to declare with <tt>has_one/many_attached :thingy, dependent: false</tt>, so that destroying
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# any one record won't destroy the blob as well. (Then you'll need to do your own garbage collecting, though).
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class ActiveStorage::Attachment < ActiveRecord::Base
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self.table_name = "active_storage_attachments"
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belongs_to :record, polymorphic: true, touch: true
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belongs_to :blob, class_name: "ActiveStorage::Blob"
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delegate_missing_to :blob
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after_create_commit :analyze_blob_later, :identify_blob
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after_destroy_commit :purge_dependent_blob_later
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# Synchronously deletes the attachment and {purges the blob}[rdoc-ref:ActiveStorage::Blob#purge].
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def purge
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blob.purge
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delete
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end
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# Deletes the attachment and {enqueues a background job}[rdoc-ref:ActiveStorage::Blob#purge_later] to purge the blob.
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def purge_later
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blob.purge_later
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delete
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end
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private
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def identify_blob
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blob.identify
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end
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def analyze_blob_later
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blob.analyze_later unless blob.analyzed?
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end
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def purge_dependent_blob_later
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blob.purge_later if dependent == :purge_later
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end
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def dependent
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record.attachment_reflections[name]&.options[:dependent]
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end
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end
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