comunes/tane
1
0
Fork 0
Code Issues Pull requests Projects Releases 7 Packages Wiki Activity Actions

feat(block2): persist chat history (messages survive leaving the chat)

Browse source 
Messages were in-memory only — gone on leaving the conversation.
- MessageStore: keystore-backed (no plaintext), a capped per-peer JSON list
  (last 200). Simple; the encrypted Drift DB is the eventual home at scale.
- MessagesCubit: loads saved history on start (subscribes FIRST, then loads, so
  a message arriving during the load isn't dropped) and persists every sent and
  received message. Wired via DI + TaneApp(messageStore).

Tests (plain 'test', no hang risk): MessageStore round-trip/per-peer/cap, and a
cubit test that reopens a fresh cubit and sees the saved conversation. Analyzer
clean; run 'flutter test' locally to confirm.
This commit is contained in:
vjrj 2026-07-10 12:20:25 +02:00
parent 847590ff11
commit 6d16656911
8 changed files with 186 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

30
apps/app_seeds/test/state/messages_cubit_test.dart
View file

@ -2,8 +2,11 @@ import 'dart:async';
import 'package:commons_core/commons_core.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/services/message_store.dart';
import 'package:tane/state/messages_cubit.dart';
import '../support/test_support.dart';
/// In-memory [MessageTransport]: records sends, lets a test push inbox messages.
class FakeMessageTransport implements MessageTransport {
final List<({String to, String text})> sent = [];
@ -80,6 +83,33 @@ void main() {
await cubit.close();
});
test('loads saved history on start and persists across a new cubit',
() async {
final store = MessageStore(InMemorySecretStore());
await store.append(
peer, msg(peer, 'earlier')); // a message from a previous session
final transport = FakeMessageTransport();
final cubit = MessagesCubit(transport,
peerPubkey: peer, selfPubkey: me, store: store);
await cubit.start();
expect(cubit.state.messages.map((m) => m.text), ['earlier']);
await cubit.send('hi'); // persisted
transport.receive(msg(peer, 'reply')); // persisted
await pumpEventQueue();
expect(cubit.state.messages.map((m) => m.text), ['earlier', 'hi', 'reply']);
await cubit.close();
// A fresh cubit (even offline) sees the saved conversation.
final reopened =
MessagesCubit(null, peerPubkey: peer, selfPubkey: me, store: store);
await reopened.start();
expect(reopened.state.messages.map((m) => m.text),
['earlier', 'hi', 'reply']);
await reopened.close();
});
test('offline (no transport) never throws', () async {
final cubit = MessagesCubit(null, peerPubkey: peer, selfPubkey: me)..start();
expect(cubit.isOnline, isFalse);