currently porting our digital library to omeka-s, there are some modules that we need to upgrade to the new system. One of them is ExtractOcr which one of the goals is to extract the OCR from pdf files when they are added to the library.
To achieve this, the hookBeforeSaveFile function is being used. So far I have not been able to find a way to reproduce that using the ingester system of omeka-s.
Am I missing something or the only way would be to add a custom ingester?