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refactor(social): one shared relay connection per identity

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Every feature (offers, messaging, trust, profile, the inbox listener) used
to open its OWN RelayPool via social.openSession — several sockets to the
same relays, more battery, and reconnection logic living only in the inbox
listener.

Add SocialConnection: ONE shared session per identity, lazily connected and
reused by all. It watches connectivity — dropping the session when the
network goes and reconnecting when it returns, announcing each change on a
sessions stream so the inbox listener re-subscribes automatically. Callers
get the session via connection.session() and never close it (the connection
owns its lifecycle); recreated/disposed on an identity switch.

- InboxService now consumes the shared connection (subscribes on its
  sessions stream) instead of owning its own socket + connectivity code.
- createOffersCubit + the chat/market/profile screens use the shared
  connection; dead createMessagesCubit/createTrustCubit factories removed.
- DI registers SocialConnection per identity; Bootstrap starts it (after
  the inbox subscribes); switchSocialAccount disposes + recreates it.

Tests: SocialConnection lifecycle (reuse, concurrent connect, offline drop +
reconnect, unreachable retry) with a fake opener + online stream; inbox test
updated. nostr added as a dev_dependency for the channel fake.
This commit is contained in:
vjrj 2026-07-10 21:41:17 +02:00
parent e2b88b4f26
commit bb4ee2fd89
19 changed files with 431 additions and 280 deletions
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32
apps/app_seeds/lib/state/offers_cubit.dart
View file

@ -9,8 +9,7 @@ import '../data/variety_repository.dart';
import '../services/offer_mapper.dart';
import '../services/offer_outbox.dart';
import '../services/offer_thumbnail.dart';
import '../services/social_service.dart';
import '../services/social_settings.dart';
import '../services/social_connection.dart';
/// State of the offer discovery/publish screen. Transport-agnostic — it holds
/// only what the UI shows, never a relay handle.
@ -323,27 +322,20 @@ class OffersCubit extends Cubit<OffersState> {
}
}
/// Opens an [OffersCubit] wired to the social layer, or an offline one that
/// degrades gracefully. Local-first: when no relay is configured (or connecting
/// fails), the cubit is created with a null transport and the screen still opens.
/// Opens an [OffersCubit] over the SHARED [SocialConnection], or an offline one
/// that degrades gracefully. Local-first: when the connection isn't up (no relay
/// configured / unreachable), the cubit gets a null transport and the screen
/// still opens. Does NOT close the session — the connection owns it.
Future<OffersCubit> createOffersCubit(
SocialService social,
SocialSettings settings, {
SocialConnection connection, {
VarietyRepository? repository,
}) async {
final relays = await settings.relayUrls();
if (relays.isEmpty) return OffersCubit(null);
try {
final session = await social.openSession(relays);
return OffersCubit(
session.offers,
coverPhoto: repository?.coverPhotoFor,
thumbnail: offerThumbnailDataUri,
onDispose: session.close,
);
} catch (_) {
return OffersCubit(null); // offline / no relay reachable
}
final session = await connection.session();
return OffersCubit(
session?.offers,
coverPhoto: repository?.coverPhotoFor,
thumbnail: offerThumbnailDataUri,
);
}
/// Publishes any queued (offline-parked) lots now that we're online, then clears