274 lines
10 KiB
Python
274 lines
10 KiB
Python
"""Библиотека в памяти процесса и её заливка в БД.
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В памяти живёт то, что читает голосовой контур и оценка; в БД — то, из чего
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преподаватель выбирает сценарий и что переживает перезапуск.
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"""
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from pathlib import Path
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from uuid import uuid4
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.db.models import Scenario as ScenarioRow
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from app.scenarios.loader import load_library
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from app.scenarios.schema import Scenario
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from app.scenarios import editor
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_library: dict[str, Scenario] = {}
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_demo_drafts: dict[str, ScenarioRow] = {}
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_demo_archived: dict[str, Scenario] = {}
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_demo_scenario_owners: dict[str, str] = {}
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_demo_archived_owners: dict[str, str] = {}
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def reset_demo_drafts() -> None:
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"""Черновики и архив demo-lite живут только в текущем процессе."""
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_demo_drafts.clear()
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_demo_archived.clear()
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_demo_scenario_owners.clear()
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_demo_archived_owners.clear()
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def set_library(scenarios: list[Scenario]) -> None:
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_library.clear()
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_library.update({scenario.id: scenario for scenario in scenarios})
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def get(scenario_id: str) -> Scenario | None:
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return _library.get(scenario_id)
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def all_scenarios() -> list[Scenario]:
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return list(_library.values())
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def publish(scenario: Scenario) -> None:
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"""Сделать утверждённую версию доступной запуску занятия немедленно."""
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_library[scenario.id] = scenario
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def load_from_disk(root: Path) -> list[Scenario]:
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scenarios = load_library(root)
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set_library(scenarios)
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return scenarios
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async def seed(db: AsyncSession, scenarios: list[Scenario]) -> int:
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"""Залить библиотеку в БД. Повторный запуск обновляет, а не дублирует."""
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for scenario in scenarios:
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row = await db.scalar(select(ScenarioRow).where(ScenarioRow.id == scenario.id))
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payload = scenario.model_dump(mode="json")
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if row is None:
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row = ScenarioRow(id=scenario.id)
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db.add(row)
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row.title = scenario.title
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row.incident_type = scenario.type.value
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row.level = scenario.level.value
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row.topics = scenario.topics
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row.modes = scenario.modes
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row.body = payload
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row.owner_login = None
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await db.commit()
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return len(scenarios)
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async def restore_published(db: AsyncSession) -> int:
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"""После старта вернуть утверждённые преподавателем сценарии из БД.
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Вызвать после ``load_from_disk``. Базовую библиотеку не перезаписываем:
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её источником остаются проверенные YAML из репозитория.
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"""
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rows = await db.scalars(select(ScenarioRow).where(
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ScenarioRow.status.in_(["published", "archived"])
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))
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delta = 0
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for row in rows:
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if row.status == "archived":
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if row.owner_login:
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_demo_scenario_owners.pop(row.id, None)
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_demo_archived_owners[row.id] = row.owner_login
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if _library.pop(row.id, None) is not None:
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delta -= 1
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continue
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if row.owner_login:
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_demo_scenario_owners[row.id] = row.owner_login
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if row.id in _library:
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continue
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_library[row.id] = Scenario.model_validate(row.body)
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delta += 1
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return delta
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async def owned_scenario_ids(db: AsyncSession | None, owner_login: str) -> set[str]:
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"""IDs the current instructor may edit/archive; base and legacy rows are read-only."""
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if db is None:
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return {
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scenario_id for scenario_id, owner in _demo_scenario_owners.items()
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if owner == owner_login and scenario_id in _library
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}
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rows = await db.scalars(select(ScenarioRow.id).where(
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ScenarioRow.owner_login == owner_login,
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ScenarioRow.status == "published",
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))
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values = set(rows)
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# Test doubles and alternate SQLAlchemy result wrappers may return rows
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# for a scalar selection; normalize them without leaking owner data.
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return {value if isinstance(value, str) else value.id for value in values}
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async def archive(
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db: AsyncSession | None, scenario_id: str, *, owner_login: str | None = None
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) -> Scenario | None:
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"""Скрыть опубликованный сценарий без удаления истории и внешних ключей."""
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scenario = _library.get(scenario_id)
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if scenario is None:
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return None
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if db is None:
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owner = _demo_scenario_owners.get(scenario_id)
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if owner_login is not None and owner != owner_login:
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return None
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_demo_archived[scenario_id] = scenario
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if owner is not None:
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_demo_archived_owners[scenario_id] = owner
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_demo_scenario_owners.pop(scenario_id, None)
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else:
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row = await db.get(ScenarioRow, scenario_id)
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if owner_login is not None and (row is None or row.owner_login != owner_login):
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return None
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if row is None:
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row = ScenarioRow(
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id=scenario.id,
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title=scenario.title,
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incident_type=scenario.type.value,
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level=scenario.level.value,
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topics=scenario.topics,
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modes=scenario.modes,
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body=scenario.model_dump(mode="json"),
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)
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db.add(row)
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row.status = "archived"
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await db.commit()
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_library.pop(scenario_id, None)
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return scenario
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async def restore_archived(
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db: AsyncSession | None, scenario_id: str, *, owner_login: str | None = None
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) -> Scenario | None:
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"""Вернуть мягко удалённый сценарий в библиотеку назначения."""
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if db is None:
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owner = _demo_archived_owners.get(scenario_id)
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if owner_login is not None and owner != owner_login:
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return None
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scenario = _demo_archived.pop(scenario_id, None)
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if scenario is not None and owner is not None:
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_demo_scenario_owners[scenario_id] = owner
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_demo_archived_owners.pop(scenario_id, None)
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else:
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row = await db.get(ScenarioRow, scenario_id)
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if (row is None or row.status != "archived"
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or owner_login is not None and row.owner_login != owner_login):
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return None
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# В опубликованном body уже лежат вычисленные поля ground_truth (ЕКП,
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# ДДС, список оповещения). Редакторская validate предназначена для
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# черновика до вычисления и закономерно запрещает такие поля.
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scenario = Scenario.model_validate(row.body)
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row.status = "published"
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await db.commit()
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if scenario is None:
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return None
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publish(scenario)
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return scenario
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async def create_draft(
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db: AsyncSession | None, *, source: Scenario, title: str | None = None,
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proposal: dict | None = None, full_proposal: dict | None = None,
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owner_login: str | None = None,
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) -> ScenarioRow:
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if proposal is not None and full_proposal is not None:
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raise ValueError("нельзя одновременно передать вариацию и полный сюжет")
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prefix = "ai-full" if full_proposal is not None else "ai" if proposal is not None else "draft"
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draft_id = f"{prefix}-{uuid4().hex}"
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if full_proposal is not None:
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from app.scenarios.generation import full_proposal_body
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body = full_proposal_body(source, draft_id, full_proposal)
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elif proposal is None:
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body = editor.template_copy(source, draft_id, title)
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else:
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from app.scenarios.generation import proposal_body
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body = proposal_body(source, draft_id, proposal)
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row = ScenarioRow(
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id=draft_id,
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title=body["title"],
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incident_type=body["type"],
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level=body["level"],
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topics=body["topics"],
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modes=body["modes"],
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status="draft",
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owner_login=owner_login,
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body=body,
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)
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if db is None:
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_demo_drafts[row.id] = row
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else:
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db.add(row)
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await db.commit()
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return row
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async def draft(
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db: AsyncSession | None, scenario_id: str, *, owner_login: str | None = None
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) -> ScenarioRow | None:
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row = _demo_drafts.get(scenario_id) if db is None else await db.get(ScenarioRow, scenario_id)
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if row is None or row.status != "draft":
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return None
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if owner_login is not None and row.owner_login != owner_login:
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return None
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return row
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async def update_draft(db: AsyncSession | None, row: ScenarioRow, patch: dict) -> ScenarioRow:
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row.body = editor.merge_patch(row.body, patch)
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row.title = str(row.body.get("title") or "")[:200]
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if db is not None:
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await db.commit()
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return row
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async def revise_draft(db: AsyncSession | None, row: ScenarioRow, proposal: dict) -> ScenarioRow:
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"""Заменить сюжетную версию того же черновика после комментария преподавателя."""
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from app.scenarios.generation import proposal_body
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source = editor.validate(row.body)
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row.body = proposal_body(source, row.id, proposal)
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row.title = row.body["title"]
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row.incident_type = row.body["type"]
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row.level = row.body["level"]
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row.topics = row.body["topics"]
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row.modes = row.body["modes"]
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if db is not None:
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await db.commit()
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return row
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async def approve_draft(db: AsyncSession | None, row: ScenarioRow) -> Scenario:
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scenario = editor.validate(row.body)
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row.title = scenario.title
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row.incident_type = scenario.type.value
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row.level = scenario.level.value
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row.topics = scenario.topics
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row.modes = scenario.modes
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row.body = scenario.model_dump(mode="json")
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row.status = "published"
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if db is None:
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_demo_drafts.pop(row.id, None)
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if row.owner_login is not None:
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_demo_scenario_owners[row.id] = row.owner_login
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else:
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await db.commit()
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publish(scenario)
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return scenario
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