Canvas - Delete export files

cleanup.rb

Attachment.where(workflow_state:'zipped').find_each do |attachment|
  delete_attachment attachment
};nil

def delete_attachment(attachment)
  # Don't delete parent Attachments
  return if attachment.children.present?

  # Delete associated ContentExports
  content_export_for(attachment).try(:delete)
  
  # Delete the db row. Trigger callbacks, then remove the row
  attachment.destroy
  attachment.delete

  # Delete file on disk and containing folder, unless there is a parent Attachment
  unless attachment.root_attachment_id    
    path = File.dirname(attachment.full_filename)
    FileUtils.rm_rf(path) if File.directory? path
  end
  
  true
end

def content_export_for(attachment)
  ContentExport.where(attachment_id:attachment.id).first
end

Thanks for your reply. I will study it further. 在 2022年10月4日週二 01:44，christopher-b ***@***.***> 寫道：

…

***@***.**** commented on this gist. ------------------------------ Hi @mayng0702 <https://github.com/mayng0702>, for more information about the attachment class in Canvas LMS, check the main repo <https://github.com/instructure/canvas-lms>, specifically the Attachment model <https://github.com/instructure/canvas-lms/blob/master/app/models/attachment.rb> . The concepts that are approached by this file (deleting unused files in Canvas LMS CV from disk) are elaborated in a module that can be found here <https://github.com/christopher-b/canvas-file-zapper>. — Reply to this email directly, view it on GitHub <https://gist.github.com/072369296c4a6ea78b6f73edad5d278b#gistcomment-4323203>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AONMLHCLDMNUX3LLOD3C52LWBMLQZANCNFSM6AAAAAAQ3NMEYU> . You are receiving this because you were mentioned.Message ID: ***@***.***>