KB-12556 | BE|DEV| API implementation of the new extended content read for learners pathway #157
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…d for learners pathway
- Implement extendedReadContent operation to enrich Learning Pathway milestones
with full course hierarchy and assessment data
- Add Redis caching for extended read responses with configurable TTL
- Fetch course metadata from Neo4j and hierarchy from Cassandra in parallel
- Filter hierarchy children to include only configured fields for optimization
- Update application.conf with 60+ fields for hierarchy children nodes:
* Add metadata fields: lastStatusChangedOn, organisation, mediaType, etc.
* Add timestamp fields: createdOn, lastUpdatedOn, lastPublishedOn, etc.
* Add content fields: streamingUrl, resourceCategory, framework, etc.
* Add publishing fields: prevStatus, reviewStatus, pkgVersion, etc.
- Format extended.content.enrichment.fields configuration for consistency
- Add comprehensive inline documentation explaining:
* 9-step extended read flow with cache and milestone enrichment
* Dual data source architecture (Neo4j for metadata, Cassandra for hierarchy)
* Parallel fetching strategy for courses and assessments
* Field filtering mechanism for response size optimization
* Cache implementation with Redis and error handling
Cache key patterns:
- extended_read_learningpathway_{{identifier}} for Learning Pathways
- extended_read_content_{{courseId}} for courses with hierarchy
- extended_read_assessment_{{assessmentId}} for assessments
This enables efficient retrieval of complete Learning Pathway data with
all related course hierarchies and assessments in a single API call.
…d for learners pathway refactor: Generalize extended read API with category-based enrichment strategy Implement pattern matching for different course categories in extendedRead: - Learning Pathway: Enrich milestones with course hierarchy and assessments - Other categories (Course, Blended Program, etc.): Fetch and add hierarchy children
tarentomaheshvakkund
changed the base branch from
4.8.32-dev-v2
to
4.8.32.1-dev-v1
karthik-tarento
requested changes
Jan 2, 2026
content-api/content-actors/src/main/scala/org/sunbird/content/actors/ContentActor.scala
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1. Moved all the changes from contentactor to extendedcontentactor.
…32-extendedcontentread
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Cache key patterns:
This enables efficient retrieval of complete Learning Pathway data with all related course hierarchies and assessments in a single API call.