discourse/app/jobs/scheduled/clean_up_uploads.rb

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module Jobs
class CleanUpUploads < Jobs::Scheduled
recurrence { hourly }
def execute(args)
return unless SiteSetting.clean_up_uploads?
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uploads_used_in_posts = PostUpload.uniq.pluck(:upload_id)
uploads_used_as_avatars = User.uniq.where('uploaded_avatar_id IS NOT NULL').pluck(:uploaded_avatar_id)
grace_period = [SiteSetting.uploads_grace_period_in_hours, 1].max
Upload.where("created_at < ?", grace_period.hour.ago)
.where("id NOT IN (?)", uploads_used_in_posts + uploads_used_as_avatars)
.find_each do |upload|
upload.destroy
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end
end
end
end