edu-sharing OERSI update plugin

A plugin for edu-sharing to update metadata in OERSI immediately

The plugin is used to update edu-sharing materials in OERSI whenever a material on edu-sharing changes, is deleted or transitions from public to private, or vice versa. This ensures that metadata in OERSI is always up to date for this edu-sharing instance.

Get the plugin at https://gitlab.com/TIBHannover/oer/edu-sharing-plugin-oersi-update.