SSE: не рассылать ratings на правки без влияния на рейтинг; событие group при смене настроек группы

- notify.match_changed получил флаг ratings: фото (игрок и админ) его не шлют, правка
  партии — только если изменились входы рейтинга (match_service.rating_inputs до/после).
- PATCH /api/groups/{id} публикует group — переименование и правило 9 раундов видны
  остальным участникам сразу.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/app/routers/admin.py

@@ -243,6 +243,7 @@ def update_match(
     admin: User = Depends(get_current_admin),
 ) -> s.MatchRead:
     match = match_service.get_match(session, match_id)
+    rating_before = match_service.rating_inputs(session, match)
     match = match_service.update_match(
         session,
         match,
@@ -265,7 +266,9 @@ def update_match(
         ip=client_ip(request),
     )
     session.commit()
-    notify.match_changed(session, match)
+    notify.match_changed(
+        session, match, ratings=match_service.rating_inputs(session, match) != rating_before
+    )
     return build_match_read(session, match, can_modify=True)
 
 
@@ -356,7 +359,7 @@ def admin_add_attachment(
     att = attachment_service.add_photo(
         session, match, admin, content, ext, user_service.avatar_media_type(ext)
     )
-    notify.match_changed(session, match)
+    notify.match_changed(session, match, ratings=False)
     return attachment_read(att, f"/api/admin/matches/{match_id}")
 
 
@@ -369,7 +372,7 @@ def admin_delete_attachment(
 ) -> s.OkResponse:
     match = match_service.get_match(session, match_id)
     attachment_service.delete(session, match, attachment_id)
-    notify.match_changed(session, match)
+    notify.match_changed(session, match, ratings=False)
     return s.OkResponse()
 
 

backend/app/routers/groups.py

@@ -93,6 +93,7 @@ def update_group(
         group_service.rename_group(session, group, body.name)
     if body.nine_rounds_rule is not None:
         group_service.set_nine_rounds_rule(session, group, body.nine_rounds_rule)
+    notify.group_changed(session, group_id)  # остальным участникам — живое обновление настроек
     return _detail(session, group_id, user.id)  # type: ignore[arg-type]
 
 

backend/app/routers/matches.py

@@ -234,6 +234,7 @@ def update_match(
 ) -> s.MatchRead:
     match = match_service.get_match(session, match_id)
     match_service.assert_can_modify(session, match, user)
+    rating_before = match_service.rating_inputs(session, match)
     match = match_service.update_match(
         session,
         match,
@@ -257,7 +258,9 @@ def update_match(
         user_agent=request.headers.get("user-agent"),
     )
     session.commit()
-    notify.match_changed(session, match)
+    notify.match_changed(
+        session, match, ratings=match_service.rating_inputs(session, match) != rating_before
+    )
     return build_match_read(session, match, can_modify=match_service.can_modify(session, match, user))
 
 
@@ -304,7 +307,7 @@ def add_attachment(
     att = attachment_service.add_photo(
         session, match, user, content, ext, user_service.avatar_media_type(ext)
     )
-    notify.match_changed(session, match)
+    notify.match_changed(session, match, ratings=False)
     return attachment_read(att, f"/api/matches/{match_id}")
 
 
@@ -318,7 +321,7 @@ def delete_attachment(
     match = match_service.get_match(session, match_id)
     _assert_can_attach(session, match, user)
     attachment_service.delete(session, match, attachment_id)
-    notify.match_changed(session, match)
+    notify.match_changed(session, match, ratings=False)
     return s.OkResponse()
 
 

backend/app/services/match_service.py

@@ -479,6 +479,27 @@ def assert_can_modify(session: Session, match: Match, user: User) -> None:
         raise ForbiddenError("Недостаточно прав для изменения партии.")
 
 
+def rating_inputs(session: Session, match: Match) -> tuple:
+    """Снимок всего, что из партии читает рейтинг (stats_service.load_history): порядок
+    в истории, итоги и места. Сравнение снимков до и после правки показывает, сдвинула ли
+    она рейтинг, — комментарий или фото его не трогают."""
+    seats = session.exec(
+        select(MatchParticipant).where(MatchParticipant.match_id == match.id)
+    ).all()
+    return (
+        match.status,
+        match.played_at,
+        match.finished_at,
+        match.win_reason,
+        match.end_round,
+        match.nine_rounds_rule,
+        sorted(
+            (p.user_id, p.faction_id, p.place, p.eliminated, p.objectives, p.worlds)
+            for p in seats
+        ),
+    )
+
+
 def update_match(
     session: Session,
     match: Match,

backend/app/services/notify.py

@@ -32,12 +32,15 @@ def _ratings_changed(session: Session, notified: list[int]) -> None:
     hub.publish(ids, {"type": "ratings"})
 
 
-def match_changed(session: Session, match: Match) -> None:
+def match_changed(session: Session, match: Match, *, ratings: bool = True) -> None:
     """Партия изменилась — уведомить всех участников её группы, а если она завершена —
-    и остальных игроков (_ratings_changed)."""
+    и остальных игроков (_ratings_changed).
+
+    ratings=False — правка, которая рейтинг не двигает (фото, комментарий): тогда
+    остальным игрокам незачем перезапрашивать все рейтинговые витрины."""
     members = _group_member_ids(session, match.group_id)
     hub.publish(members, {"type": "match", "match_id": match.id, "group_id": match.group_id})
-    if match.status == "finished":
+    if ratings and match.status == "finished":
         _ratings_changed(session, members)
 
 

backend/tests/test_events_payload.py

@@ -81,3 +81,60 @@ def test_deleting_finished_match_reaches_players_outside_group(
     assert r.status_code == 200, r.text
     assert _recipients(published, "match") == {me["id"], p2}
     assert outsider in _recipients(published, "ratings")
+
+
+def _finished_match(client: TestClient, me: dict, p2: int, gid: int, fids: list[int]) -> int:
+    mid = start_match(
+        client, gid,
+        [{"user_id": me["id"], "faction_id": fids[0]}, {"user_id": p2, "faction_id": fids[1]}],
+    ).json()["id"]
+    finish_match(client, mid, [{"user_id": me["id"], "place": 1}, {"user_id": p2, "place": 2}])
+    return mid
+
+
+def _patch_match(client: TestClient, mid: int, me: dict, p2: int, fids: list[int], **changes):
+    """PATCH как у формы правки: состав передаётся целиком, даже если меняется комментарий."""
+    places = changes.pop("places", (1, 2))
+    body = {
+        "expected_version": client.get(f"/api/matches/{mid}").json()["version"],
+        "participants": [
+            {"user_id": me["id"], "faction_id": fids[0], "place": places[0]},
+            {"user_id": p2, "faction_id": fids[1], "place": places[1]},
+        ],
+        **changes,
+    }
+    r = client.patch(f"/api/matches/{mid}", json=body, headers=csrf_headers(client))
+    assert r.status_code == 200, r.text
+
+
+def test_comment_edit_does_not_broadcast_ratings(client: TestClient, engine, monkeypatch):
+    """Правка без влияния на рейтинг — событие только группе: остальным игрокам незачем
+    перезапрашивать все рейтинговые витрины."""
+    me, gid, p2, outsider, fids = _two_groups(client, engine)
+    mid = _finished_match(client, me, p2, gid, fids)
+
+    published = _capture_events(monkeypatch)
+    _patch_match(client, mid, me, p2, fids, overall_comment="Хорошая партия")
+    assert _recipients(published, "match") == {me["id"], p2}
+    assert _recipients(published, "ratings") == set()
+
+
+def test_result_edit_broadcasts_ratings(client: TestClient, engine, monkeypatch):
+    me, gid, p2, outsider, fids = _two_groups(client, engine)
+    mid = _finished_match(client, me, p2, gid, fids)
+
+    published = _capture_events(monkeypatch)
+    _patch_match(client, mid, me, p2, fids, places=(2, 1))
+    assert outsider in _recipients(published, "ratings")
+
+
+def test_group_settings_change_reaches_members(client: TestClient, engine, monkeypatch):
+    """Переключение домашнего правила видно остальным участникам без перезагрузки."""
+    me, gid, p2, outsider, fids = _two_groups(client, engine)
+
+    published = _capture_events(monkeypatch)
+    r = client.patch(
+        f"/api/groups/{gid}", json={"nine_rounds_rule": True}, headers=csrf_headers(client)
+    )
+    assert r.status_code == 200, r.text
+    assert _recipients(published, "group") == {me["id"], p2}