mirror of
https://github.com/jxxghp/MoviePilot.git
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72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
"""工作流执行状态事务适配器。"""
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from collections.abc import Callable
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from typing import Any, TypeVar
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from sqlalchemy.orm import Session
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from app.application.workflow import WorkflowExecutionCommand
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from app.db.oper.workflow import WorkflowOper
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from app.db.uow import SqlAlchemyUnitOfWork
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_Result = TypeVar("_Result")
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class TransactionalWorkflowExecutionService:
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"""为每次工作流执行状态写入创建独立短会话和 UnitOfWork。"""
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def __init__(self, session_factory: Callable[[], Session]) -> None:
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"""保存由启动组合根提供的同步 Session 工厂。"""
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self._session_factory = session_factory
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def start(self, workflow_id: int) -> bool:
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"""以独立事务提交运行中状态。"""
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return self._run(lambda command: command.start(workflow_id))
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def success(self, workflow_id: int, result: str | None = None) -> bool:
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"""以独立事务提交成功状态。"""
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return self._run(lambda command: command.success(workflow_id, result))
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def fail(self, workflow_id: int, result: str) -> bool:
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"""以独立事务提交失败状态。"""
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return self._run(lambda command: command.fail(workflow_id, result))
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def step(
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self,
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workflow_id: int,
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action_id: str,
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context: dict[str, Any],
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execution_state: dict[str, Any] | None = None,
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) -> bool:
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"""以独立事务提交动作进度。"""
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return self._run(
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lambda command: command.step(
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workflow_id,
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action_id,
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context,
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execution_state,
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)
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)
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def reset(self, workflow_id: int, reset_count: bool = False) -> bool:
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"""以独立事务提交执行状态重置。"""
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return self._run(
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lambda command: command.reset(workflow_id, reset_count)
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)
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def _run(
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self,
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operation: Callable[[WorkflowExecutionCommand], _Result],
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) -> _Result:
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"""创建短会话并把提交/回滚交给 Application command。"""
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session = self._session_factory()
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try:
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command = WorkflowExecutionCommand(
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repository=WorkflowOper(db=session),
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unit_of_work=SqlAlchemyUnitOfWork(session),
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)
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return operation(command)
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finally:
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session.close()
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