How to make an image orphaned so that it gets removed?

zogstrip · January 29, 2018, 8:18am

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app/jobs/scheduled/clean_up_uploads.rb

main

# frozen_string_literal: true

module Jobs
  class CleanUpUploads < ::Jobs::Scheduled
    every 1.hour

    def execute(args)
      grace_period = [SiteSetting.clean_orphan_uploads_grace_period_hours, 1].max

      # Always remove invalid upload records regardless of clean_up_uploads setting.
      Upload
        .by_users
        .where(
          "retain_hours IS NULL OR created_at < current_timestamp - interval '1 hour' * retain_hours",
        )
        .where("created_at < ?", grace_period.hour.ago)
        .where(url: "")
        .find_each(&:destroy!)

      return unless SiteSetting.clean_up_uploads?

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TL;DR: an image is orphaned if and only if it’s not referenced

in the latest version of a post
in a draft
in a queued post
in a logo site setting
in a custom emoji
in a theme
in a user avatar/background/card image
in a category logo/background image

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How to make an image orphaned so that it gets removed?

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