* Updates `ModulestoreBlockMigration` table to allow storing `null` values in `target` field for blocks that failed to migrate/import.
* Adds `unsupported_reason` field to store reason for failure.
* Add number of children blocks in failed block `unsupported_reason` field.
* Fixes issue with blocks like `openassessment` where `url_name` field is not included in its olx during serialization.
This introduces the modulestore_migrator app, which can be
used to copy content (courses and libraries) from modulestore
into Learning Core. It is currently aimed to work on the legacy
library -> v2 library migration, but it will be used in the future
for course->library and course->course migrations.
This includes an initial REST API, Django admin interface,
and Python API.
Closes: https://github.com/openedx/edx-platform/issues/37211
Requires some follow-up work before this is production-ready:
https://github.com/openedx/edx-platform/issues/37259
Co-authored-by: Andrii <andrii.hantkovskyi@raccoongang.com>
Co-authored-by: Maksim Sokolskiy <maksim.sokolskiy@raccoongang.com>