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34 lines
1.4 KiB
Ruby
34 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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# Provides asynchronous generation of image previews for ActiveStorage::Blob records.
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class ActiveStorage::PreviewJob < ActiveStorage::BaseJob
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queue_as :assets
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discard_on StandardError do |job, error|
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blob = ActiveStorage::Blob.find_by(id: job.arguments.first)
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ActiveRecord::Base.no_touching do
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blob&.attachments&.take&.record&.update(file_processing: false)
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end
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Rails.logger.error "Couldn't generate preview for Blob with id: #{job.arguments.first}. Error:\n #{error}"
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end
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discard_on ActiveRecord::RecordNotFound
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retry_on ActiveStorage::IntegrityError, attempts: 3, wait: :exponentially_longer
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def perform(blob_id)
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blob = ActiveStorage::Blob.find(blob_id)
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preview = blob.representation(resize_to_limit: Constants::MEDIUM_PIC_FORMAT).processed
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Rails.logger.info "Preview for the Blod with id: #{blob.id} - successfully generated.\n" \
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"Transformations applied: #{preview.variation.transformations}"
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preview = blob.representation(resize_to_limit: Constants::LARGE_PIC_FORMAT).processed
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Rails.logger.info "Preview for the Blod with id: #{blob.id} - successfully generated.\n" \
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"Transformations applied: #{preview.variation.transformations}"
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ActiveRecord::Base.no_touching do
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blob.attachments.take.record.update(file_processing: false)
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end
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end
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end
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