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refactor: запись хода занятия — один commit SessionStore на операцию вместо журнала и checkpoint

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Правка балла с пульта и из отчёта идёт одной доменной операцией: раньше WS-путь не обновлял full_report живой сессии.
This commit is contained in:
gglamer 2026-09-26 22:48:24 +00:00
commit 47cb85ee02
30 changed files with 1406 additions and 1161 deletions
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20
backend/app/api/ws/station.py
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@ -8,7 +8,7 @@
в отчёте и становится сорванным выездом с конкретной причиной.
Правила пульта — в `DdsDesk.apply`; здесь разбор команды, отсев повторов,
durable transition и рассылка итога.
операция хранилища и рассылка итога.
"""
import asyncio
@ -32,6 +32,7 @@ from app.domain.events import (
from app.domain.roles import Role
from app.session.finish import finish
from app.session.hub import LEASE_FENCED_MESSAGE, hub
from app.session.store import LessonEnded
log = logging.getLogger(__name__)
router = APIRouter()
@ -48,8 +49,7 @@ async def _finish_dds(session_id: UUID, state) -> None:
hub.stop_ticker(session_id)
hub.to_station(session_id, SessionEnded(reason=CallEndReason.COMPLETE))
hub.to_observers(session_id, SessionEnded(reason=CallEndReason.COMPLETE))
if hub.journal:
await hub.journal.session_ended(session_id, ended_at, CallEndReason.COMPLETE.value)
hub.record(session_id, LessonEnded(ended_at, CallEndReason.COMPLETE.value))
await finish(session_id, state)
hub.to_station(session_id, ScoreReady(session_id=session_id))
@ -65,7 +65,6 @@ async def _handle(session_id: UUID, state, event) -> None:
await _finish_dds(session_id, state)
if not outcome.changed:
return
await hub.checkpoint(session_id)
hub.to_station(session_id, StationState(snapshot=state.station_snapshot()))
hub.to_observers(session_id, state.snapshot())
@ -156,18 +155,13 @@ async def station(ws: WebSocket, session_id: UUID, role: str = "dds") -> None:
# Re-ack it without rerunning its business transition.
hub.to_station(session_id, CommandAck(command_id=command_id))
continue
async with hub.durable_transition(session_id):
async with hub.operation(session_id):
await _handle(session_id, state, event)
if command_id is not None:
# ID команды входит в тот же снимок, что и её переход:
# подтверждение уходит только после их общего commit.
state.processed_station_commands.append(str(command_id))
del state.processed_station_commands[:-512]
# Commit the state+dedupe ID before acknowledging. The
# transition context can have already flushed other
# events; an explicit checkpoint here makes the
# command/ACK boundary independent of that batch state.
await hub.checkpoint(session_id)
# The hub stages non-error events until the checkpoint
# transaction has committed, including this ack.
hub.to_station(session_id, CommandAck(command_id=command_id))
except WebSocketDisconnect:
return
@ -178,7 +172,7 @@ async def station(ws: WebSocket, session_id: UUID, role: str = "dds") -> None:
"закрытие станционного WebSocket после fencing занятия %s",
session_id,
)
# `hub.checkpoint` broadcasts a structured fence event before
# `hub.operation` broadcasts a structured fence event before
# propagating the failed database write. Let the sender deliver
# that event and close with 1012 instead of an opaque 1006.
await asyncio.gather(sender, return_exceptions=True)