Add enrichment proxy for tubafrenzy v1 playlist API#279
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jakebromberg merged 4 commits intomainfrom Apr 5, 2026
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April 1, 2026 15:45
Subscribe to tubafrenzy's SSE stream (/playlists/recentStream) to maintain the current playlist in memory, enrich each playcut with artworkURL from the album_metadata table, and serve via GET /playlists/recentEntries. This endpoint matches tubafrenzy's exact URL path and response shape so that when wxyc.info DNS is rerouted to api.wxyc.org, legacy clients continue working transparently. The artworkURL field is ignored by clients that don't know about it; the iOS app already decodes it via decodeIfPresent. Unauthenticated, Cache-Control: public max-age=30, 503 on cold start, graceful degradation if DB enrichment fails.
Address review findings: cap the in-memory entries array at 200 to prevent unbounded growth from SSE created events (oldest entries are trimmed and their artwork map entries cleaned up), build new artwork map on success only so existing artwork data is preserved if the DB query fails during re-init, and add tests for both behaviors.
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Summary
/playlists/recentStream) to maintain the current playlist in memoryartworkURLfromalbum_metadatavia batch cache-key lookupGET /playlists/recentEntries— matches tubafrenzy's exact URL path and response shapeCache-Control: public, max-age=30, 503 on cold startCloses #278
Test plan
curl 'http://localhost:8080/playlists/recentEntries?v=2&n=5'returns enriched responseartworkURLpresent on playcuts that have metadata inalbum_metadata