 jack
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e9dd30ccbf
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Extract MessageDeduplicationService from ChatViewModel
Extract message deduplication logic into a dedicated service:
- LRUDeduplicationCache: Generic LRU cache for O(1) lookup with periodic compaction
- ContentNormalizer: Static methods for normalizing content (URL simplification, whitespace collapse, djb2 hash)
- MessageDeduplicationService: Manages content, Nostr event, and ACK deduplication
This removes ~70 lines of inline LRU management code from ChatViewModel
and adds 42 comprehensive tests covering all deduplication scenarios.
Changes to ChatViewModel:
- Add deduplicationService dependency
- Remove normalizedContentKey(), recordContentKey(), trimContentLRUIfNeeded(), popOldestContentKey()
- Remove contentLRUMap, contentLRUOrder, contentLRUHead, contentLRUCap
- Remove processedNostrEvents, processedNostrEventOrder, processedNostrEventHead, maxProcessedNostrEvents
- Remove processedNostrAcks, recordProcessedEvent(), trimProcessedNostrEventsIfNeeded(), popOldestProcessedEvent()
- Remove unused Regexes.simplifyHTTPURL
- Update all call sites to use deduplicationService methods
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2025-11-25 09:13:51 -10:00 |
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