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ML-168: broadcast index_changed event after background import

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Import workers now broadcast :records_index_changed on
"records:index_changed" after successful import via
Records.broadcast_index_changed/0.

CollectionLive.Index and WishlistLive.Index subscribe to the
topic in mount/3 and reload their record streams on receipt,
with a live_action guard to skip reloads when the grid is
hidden behind a modal (:import, :barcode_scan).

IndexActions.handle_index_changed/1 refreshes total_entries
before reloading to keep the pagination bar accurate.
This commit is contained in:
Claudio Ortolina
2026-05-14 16:53:28 +01:00
parent d878364423
commit a59dd22a18
13 changed files with 252 additions and 16 deletions
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docs/architecture.md
+5 -4
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@@ -250,10 +250,11 @@ HTTP 429 into `:rate_limit` vs `:auth_error` by reading the body `code`
## PubSub Topics
| PubSub | Topic Pattern | Message | Used By |
| ---------------- | -------------------------- | ------------------- | ---------------------------------------------------------------------------------------------- |
| `:music_library` | `"records:#{id}"` | `{:update, record}` | CollectionLive.Show, WishlistLive.Show — subscribe in handle_params, unsubscribe on navigation |
| `:music_library` | `"listening_stats:update"` | `%{track_count: n}` | StatsLive.Index, ScrobbledTracksLive.Index — new scrobbles arrived |
| PubSub | Topic Pattern | Message | Used By |
| ---------------- | -------------------------- | ------------------------ | ---------------------------------------------------------------------------------------------- |
| `:music_library` | `"records:#{id}"` | `{:update, record}` | CollectionLive.Show, WishlistLive.Show — subscribe in handle_params, unsubscribe on navigation |
| `:music_library` | `"records:index_changed"` | `:records_index_changed` | CollectionLive.Index, WishlistLive.Index — auto-refresh when background import completes |
| `:music_library` | `"listening_stats:update"` | `%{track_count: n}` | StatsLive.Index, ScrobbledTracksLive.Index — new scrobbles arrived |
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