Michael Freno
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06. Implement iOS database layer (Core Data/GRDB)
meta: id: native-business-logic-migration-06 feature: native-business-logic-migration priority: P0 depends_on: [native-business-logic-migration-03] tags: [implementation, ios, database]
objective:
- Implement database layer using Core Data for iOS
deliverables:
- RSSuper.xcdatamodeld
- DatabaseManager.swift
- Subscription+CoreDataClass.swift
- FeedItem+CoreDataClass.swift
- SearchHistory+CoreDataClass.swift
- Database migrations
- FTS virtual table implementation
tests:
- Unit: Test CRUD operations
- Unit: Test relationships
- Unit: Test FTS queries
- Integration: Test database migrations
acceptance_criteria:
- Core Data model created with all entities
- Relationships properly configured
- FTS search working
- Migrations implemented
- Background context used for writes
validation:
- Run unit tests
- Verify with Instruments (Core Data editor)
notes:
- Use NSPersistentContainer
- Implement FTS using SQLite directly or GRDB
- Consider using NSPredicate for queries