5506b9406d
Under load, multiple backups for a single user could be planned, which is very expensive.
38 lines
766 B
Ruby
38 lines
766 B
Ruby
# frozen_string_literal: true
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class Settings::ExportsController < Settings::BaseController
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include Authorization
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layout 'admin'
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before_action :authenticate_user!
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def show
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@export = Export.new(current_account)
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@backups = current_user.backups
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end
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def create
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raise Mastodon::NotPermittedError unless user_signed_in?
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backup = nil
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RedisLock.acquire(lock_options) do |lock|
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if lock.acquired?
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authorize :backup, :create?
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backup = current_user.backups.create!
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else
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raise Mastodon::RaceConditionError
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end
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end
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BackupWorker.perform_async(backup.id)
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redirect_to settings_export_path
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end
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def lock_options
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{ redis: Redis.current, key: "backup:#{current_user.id}" }
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end
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end
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