discourse/app/jobs/scheduled/clean_up_uploads.rb
Sam 58eabb03e5 FEATURE: api support for arbitrary unlinked assets
admins can set retain periods for assets
2014-09-23 16:50:17 +10:00

31 lines
1.1 KiB
Ruby

module Jobs
class CleanUpUploads < Jobs::Scheduled
every 1.hour
def execute(args)
return unless SiteSetting.clean_up_uploads?
ignore_urls = []
ignore_urls << UserProfile.uniq.where("profile_background IS NOT NULL AND profile_background != ''").pluck(:profile_background)
ignore_urls << Category.uniq.where("logo_url IS NOT NULL AND logo_url != ''").pluck(:logo_url)
ignore_urls << Category.uniq.where("background_url IS NOT NULL AND background_url != ''").pluck(:background_url)
ignore_urls.flatten!
grace_period = [SiteSetting.clean_orphan_uploads_grace_period_hours, 1].max
Upload.where("created_at < ? AND
(retain_hours IS NULL OR created_at < current_timestamp - interval '1 hour' * retain_hours )", grace_period.hour.ago)
.where("id NOT IN (SELECT upload_id from post_uploads)")
.where("id NOT IN (SELECT custom_upload_id from user_avatars)")
.where("id NOT IN (SELECT gravatar_upload_id from user_avatars)")
.where("url NOT IN (?)", ignore_urls)
.find_each do |upload|
upload.destroy
end
end
end
end