refactor(learn): own rows name shared content by its ID alone

ADR 0044, D26. The sync engine links no row of one space to a row of
another: a reference across spaces is blanked, on the device and on the
server alike (found by experiment, 11 Nov 2026). Reviews, card, note and
path tags, PDF readings and path answers are the person's own (D2, D25)
but will name cards, notes, paths, steps and PDFs of spaces they share,
so those six tables keep their columns without the relation. Every
gateway already deletes them as it deletes what they name.

The migration drops the nine foreign keys of those tables and adds the
three to `tag` again, which Serverpod numbers anew; no column or row
changes. The synced tables' hash covers foreign keys, so released apps
stop syncing with a server that has it until they update: deploy it
together with a release of Learn.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
This commit is contained in:
Tizian 「ティツィアーン」 2026-11-11 12:27:15 +01:00
commit 358d983011
Signed by: raisondetredev
GPG key ID: 07F6FCF405488B64

View file

@ -0,0 +1,199 @@
import 'dart:typed_data';
import 'package:halkyon_learn_server/src/generated/protocol.dart';
import 'package:halkyon_learn_server/src/shared_space/sync_space_grants.dart';
import 'package:serverpod/serverpod.dart';
import 'package:serverpod_offline_sync_server/serverpod_offline_sync_server.dart';
import 'package:test/test.dart';
import '../support/auth_fixtures.dart';
import '../support/sync_database.dart';
import '../test_tools/serverpod_test_tools.dart';
/// A person's own rows name what is in a space they share by its ID alone
/// (Halkyon's ADR 0044, D26): the sync engine links no row of one space to
/// a row of another, so a relation would lose the card a review names.
void main() {
withServerpod(
'Own rows naming shared content',
(sessionBuilder, endpoints) {
late Session session;
late UuidValue alice;
late UuidValue bob;
late UuidValue space;
final grants = SyncSpaceGrants();
setUp(() async {
Serverpod.instance.initializeOfflineSync(syncTables: syncTables);
useLearnBase(sessionBuilder);
session = sessionBuilder.build();
alice = const Uuid().v7obj();
bob = const Uuid().v7obj();
space = await session.db.transaction(
(t) => grants.create(session, owner: alice, transaction: t),
);
await session.db.transaction(
(t) =>
grants.grant(session, space, bob, writes: true, transaction: t),
);
});
tearDown(() async {
for (final each in [alice, bob, space]) {
await session.db.unsafeExecute(
'DELETE FROM "offline_sync_spaces" WHERE "uuidSpaceId" = @space',
parameters: QueryParameters.named({'space': each.uuid}),
);
}
});
test("a member's review, tag, reading and answer keep naming the "
"shared space's card, note, path, step and PDF", () async {
final payload = ByteData(1);
final shared = await asPerson(session, alice, space: space, (t) async {
final studyset = await Studyset.db.insertRow(
session,
Studyset(payload: payload),
transaction: t,
);
final card = await Card.db.insertRow(
session,
Card(studysetId: studyset.id!, position: 'a0'),
transaction: t,
);
final note = await Note.db.insertRow(
session,
Note(studysetId: studyset.id!, position: 'a0'),
transaction: t,
);
final path = await LearningPath.db.insertRow(
session,
LearningPath(
studysetId: studyset.id!,
position: 'a0',
payload: payload,
),
transaction: t,
);
final step = await LearningPathStep.db.insertRow(
session,
LearningPathStep(pathId: path.id!, position: 'a0', kind: 'text'),
transaction: t,
);
final pdf = await PdfSource.db.insertRow(
session,
PdfSource(studysetId: studyset.id!, payload: payload),
transaction: t,
);
return (
card: card.id!,
note: note.id!,
path: path.id!,
step: step.id!,
pdf: pdf.id!,
);
});
final own = await asPerson(session, bob, (t) async {
final tag = await Tag.db.insertRow(
session,
Tag(payload: payload),
transaction: t,
);
final now = DateTime.now().toUtc();
return (
review: (await ReviewLog.db.insertRow(
session,
ReviewLog(
cardId: shared.card,
rating: 3,
reviewedAt: now,
durationMs: 1000,
),
transaction: t,
)).id!,
cardTag: (await CardTag.db.insertRow(
session,
CardTag(cardId: shared.card, tagId: tag.id!),
transaction: t,
)).id!,
noteTag: (await NoteTag.db.insertRow(
session,
NoteTag(noteId: shared.note, tagId: tag.id!),
transaction: t,
)).id!,
pathTag: (await LearningPathTag.db.insertRow(
session,
LearningPathTag(pathId: shared.path, tagId: tag.id!),
transaction: t,
)).id!,
reading: (await PdfReading.db.insertRow(
session,
PdfReading(
pdfSourceId: shared.pdf,
readAt: now,
kind: 'reached',
page: 2,
),
transaction: t,
)).id!,
answer: (await LearningPathAnswer.db.insertRow(
session,
LearningPathAnswer(
stepId: shared.step,
answeredAt: now,
outcome: 'right',
),
transaction: t,
)).id!,
);
});
final read = await asPerson(
session,
bob,
(t) async => (
review: await ReviewLog.db.findById(
session,
own.review,
transaction: t,
),
cardTag: await CardTag.db.findById(
session,
own.cardTag,
transaction: t,
),
noteTag: await NoteTag.db.findById(
session,
own.noteTag,
transaction: t,
),
pathTag: await LearningPathTag.db.findById(
session,
own.pathTag,
transaction: t,
),
reading: await PdfReading.db.findById(
session,
own.reading,
transaction: t,
),
answer: await LearningPathAnswer.db.findById(
session,
own.answer,
transaction: t,
),
),
);
expect(read.review?.cardId, shared.card);
expect(read.cardTag?.cardId, shared.card);
expect(read.noteTag?.noteId, shared.note);
expect(read.pathTag?.pathId, shared.path);
expect(read.reading?.pdfSourceId, shared.pdf);
expect(read.answer?.stepId, shared.step);
});
},
databaseInterceptor: syncDatabaseInterceptor,
rollbackDatabase: RollbackDatabase.disabled,
);
}