Proposals/Done/Portfolio Export Import

Moving from one Mahara installation to another

The Leap2A export option of Mahara allows users to export their portfolios in such a fashion that they can be imported into another Mahara instance of the same version or higher. If the exporting Mahara instance was customized, e.g. included plugins that are not available on the receiving Mahara, then that portfolio content cannot be displaye properly.

Improving the export and import of portfolios

Making the export and import of portfolios easier becomes more important as more users have Mahara experience and may wish to move their portfolios from one site to another. That also means that the portfolios contain data and can be large, e.g. 1 GB of file quota, if Mahara installations allow for large portfolios.

Issues that were identified with the current implementation

• Exporting large portfolios (> 100 MB) results in a large server load and the export process frequently times out.
• Importing large portfolios (> the allow maximum file upload) so far always needs a temporary adjustment on the server side.

Solutions

• The time out needs to be set higher to avoid time outs during the export of large portfolios.
• Make the export of portfolios time delayed so that the load can be spread more evenly over the server and does not, for example, run while the site is in heavy use. A user could receive an email once his portfolio export file is available for download. Include a message that tells the user for how long the export file will be available before it will be deleted.
• The administrators should be allowed to upload Leap2A files that are larger than the allowed maximum file upload size for users to be able to import portfolios easily.

Sites with self-registration

• A user is allowed to create an account with a Leap2A file (upload of large Leap2A zip folders should be possible but limited to those to avoid uploading of larger than allowed files). Currently, during the upload process, the zip file is checked for whether it contains a Leap2A xml file. If that is not the case, the import is aborted.

Any Mahara site

• An user himself can upload a Leap2A file on the first login screen after registering. In this case these following notes should be considered.
  • The zip file size should be checked to avoid large file than allowed.
  • All email addresses in the Leap2A file will be added as secondary emails.

• A user is allowed to merge an existing account with Leap2A imports, either partial (just a few pages / collections) or full ones.
  • All profile fields, and other items(files, journals/entries, plans/tasks, and notes) in the current portfolio and in the Leap2A file will be displayed in a table of 3 columns: old content, import content and new content
  • The user will choose from 3 options
    • Use the existing content
    • Use the content from the import file
    • Append the content from the import file
  • After merging we should have
    • New artefacts
    • Unchanged artefacts
    • Updated artefacts
  • The portfolio pages including profile page and collection in the Leap2A file will be added as copied pages/collections.
  • The block instances in all portfolio pages need to be updated based on merged artefacts.

Filed the following related bug

(encountered during manually merging of two accounts and uploading of files via a zip archive)

Not all file types are correctly identified after uploading a zip archive: https://bugs.launchpad.net/mahara/+bug/803229 (only related in so far as if user uploads a bunch of his files manually via a zip archive)