Kevin McConnell
f7e2b4e0ba
Since they are typically images and videos, which are already compressed.
74 lines
1.8 KiB
Ruby
74 lines
1.8 KiB
Ruby
class Account::Export < ApplicationRecord
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belongs_to :account
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belongs_to :user
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has_one_attached :file
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enum :status, %w[ pending processing completed failed ].index_by(&:itself), default: :pending
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scope :current, -> { where(created_at: 24.hours.ago..) }
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scope :expired, -> { where(completed_at: ...24.hours.ago) }
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def self.cleanup
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expired.destroy_all
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end
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def build_later
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ExportAccountDataJob.perform_later(self)
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end
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def build
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processing!
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zipfile = generate_zip
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file.attach io: File.open(zipfile.path), filename: "fizzy-export-#{id}.zip", content_type: "application/zip"
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mark_completed
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ExportMailer.completed(self).deliver_later
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rescue => e
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update!(status: :failed)
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raise
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ensure
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zipfile&.close
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zipfile&.unlink
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end
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def mark_completed
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update!(status: :completed, completed_at: Time.current)
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end
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private
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def generate_zip
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Tempfile.new([ "export", ".zip" ]).tap do |tempfile|
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Zip::File.open(tempfile.path, create: true) do |zip|
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exportable_cards.find_each do |card|
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add_card_to_zip(zip, card)
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end
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end
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end
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end
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def exportable_cards
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user.accessible_cards.includes(
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:board,
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creator: :identity,
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comments: { creator: :identity },
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rich_text_description: { embeds_attachments: :blob }
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)
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end
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def add_card_to_zip(zip, card)
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zip.get_output_stream("#{card.number}.json") do |f|
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f.write(card.export_json)
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end
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card.export_attachments.each do |attachment|
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zip.get_output_stream(attachment[:path], compression_method: Zip::Entry::STORED) do |f|
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attachment[:blob].download { |chunk| f.write(chunk) }
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end
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rescue ActiveStorage::FileNotFoundError
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# Skip attachments where the file is missing from storage
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end
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end
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end
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