2fe3bedfba
C1 (CRITICAL) stream_draft：对不存在 project 流式写章先 fail-fast 404， 否则非法 id 静默烧一次付费/限流 LLM 调用并返 200。在触网关前查 project_repo.get。 H2 (HIGH) create_rule：给不存在 project 加规则原 FK 违例逃逸成 500 → 改为入库前 校验项目存在返 404（仿 chain/_require_project）。 H1 (HIGH) ProjectWizard：第3步「立意」与第4步「主角/金手指」原共用 form.premise 互相覆盖丢数据 → 新增独立 form.protagonist，toCreateRequest 合并两段进 premise （M1 projects 表仍只有 premise，不编造 API）。 回归测试： - test_projects.py：stream_draft 不存在 project → 404 且网关零调用；已有 draft 用例改 seed 真项目。 - test_rules.py：create_rule 不存在 project → 404 不写库；已有用例 seed 真项目。 - wizard.test.ts：premise+protagonist 合并不互相覆盖（2 例）。 门禁绿：ruff/format clean · mypy 210 · pytest 749 · 前端 tsc/lint/vitest 干净。
64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
"""规则端点（C3 扩 / PRODUCT_SPEC §7 `POST /projects/:id/rules`；不变量 #3）。
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POST /projects/:id/rules：作者显式加规则——审稿发现的问题/亮点随手沉淀为项目规则。
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写一行 `rules`（level + content），喂给 assemble 的四级合并（`merge_rules`）。
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加规则是**作者显式动作**（不变量 #3：规则入库不经 AI 静默写库）。`level` 合法性由
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`RuleCreateRequest` 的 Literal 校验（非法 → FastAPI 422）。
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提交边界：`RuleWriteRepo.create` 只 `flush()`，端点写后 `await session.commit()`
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（仿 foreshadow/outline 写侧，见 memory/gotchas）。
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"""
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from __future__ import annotations
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import uuid
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from typing import Annotated
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from fastapi import APIRouter, Depends, Request
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from sqlalchemy.ext.asyncio import AsyncSession
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from ww_core.domain import RuleWriteRepo
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from ww_core.domain.project_repo import ProjectRepo
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from ww_db import get_session
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from ww_shared import AppError, ErrorCode
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from ww_api.logging_config import get_logger
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from ww_api.schemas.rules import RuleCreateRequest, RuleView
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from ww_api.services.credentials import STUB_OWNER_ID
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from ww_api.services.project_deps import get_project_repo, get_rule_write_repo
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log = get_logger("ww.api.rules")
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router = APIRouter(prefix="/projects", tags=["rules"])
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RuleWriteRepoDep = Annotated[RuleWriteRepo, Depends(get_rule_write_repo)]
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ProjectRepoDep = Annotated[ProjectRepo, Depends(get_project_repo)]
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SessionDep = Annotated[AsyncSession, Depends(get_session)]
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@router.post("/{project_id}/rules", status_code=201)
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async def create_rule(
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project_id: uuid.UUID,
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body: RuleCreateRequest,
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request: Request,
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repo: RuleWriteRepoDep,
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project_repo: ProjectRepoDep,
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session: SessionDep,
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) -> RuleView:
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"""新增一条规则（201）。非法 level / 空 content → FastAPI 422；项目不存在 → 404。
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项目存在性须在 insert 前校验：否则 FK 违例会逃逸成 500（QA H2），而非干净的 404。
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"""
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request_id = getattr(request.state, "request_id", None)
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if await project_repo.get(STUB_OWNER_ID, project_id) is None:
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raise AppError(ErrorCode.NOT_FOUND, f"project not found: {project_id}")
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view = await repo.create(project_id, level=body.level, content=body.content)
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await session.commit()
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log.info(
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"rule_created",
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project_id=str(project_id),
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request_id=request_id,
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level=body.level,
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)
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return RuleView(level=view.level, content=view.content)
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