315 lines
14 KiB
Python
315 lines
14 KiB
Python
from typing import Any
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from fastapi import UploadFile
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from sqlalchemy import func, select, update
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.base_schema import AuthSchema, PageResultSchema, ImportResultSchema
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from app.core.base_crud import assert_parents_exist
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from app.core.bre_audit_ctx import bre_audit_suppress
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from app.core.exceptions import CustomException
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from app.core.logger import logger
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from app.utils.common_util import search_to_dict
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from app.utils.excel_util import ExcelUtil
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from .crud import BreedingSeedLotCRUD
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from .model import SeedLotModel
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from .schema import (
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SeedLotCreateSchema,
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SeedLotOutSchema,
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SeedLotQueryParam,
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SeedLotUpdateSchema,
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)
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from app.api.v1.module_bre.cross_combination.model import CrossCombinationModel
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from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD
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from app.api.v1.module_bre.pollination.model import PollinationModel
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from app.api.v1.module_bre.pollination.crud import BreedingPollinationCRUD
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def _is_blank(v: Any) -> bool:
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return v is None or (isinstance(v, str) and v.strip() == "")
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def _none_if_blank(v: Any) -> Any:
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if _is_blank(v):
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return None
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return str(v).strip() if isinstance(v, str) else v
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def _to_int(v: Any) -> int | None:
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if _is_blank(v):
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return None
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try:
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return int(float(v))
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except (TypeError, ValueError):
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return None
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async def adjust_used(db: AsyncSession, lot_id: int | None, delta: int) -> None:
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"""种子批已用粒数累加（seedling 引用该批时按出苗数维护，clamp >= 0）。
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选择强度链前段：seed_count(获种) → used_count(已用) → remaining 派生。
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delta 可正可负（新建累加 / 删除或解除关联回退）。
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"""
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if lot_id is None or not delta:
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return
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await db.execute(
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update(SeedLotModel)
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.where(SeedLotModel.id == lot_id, SeedLotModel.is_deleted.is_(False))
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.values(used_count=func.greatest(func.coalesce(SeedLotModel.used_count, 0) + delta, 0))
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)
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class SeedLotService:
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"""种子批管理 模块服务层"""
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def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
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self.auth = auth
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self.db = db
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async def _check_code(self, code: str, exclude_id: int | None = None) -> None:
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if _is_blank(code):
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raise CustomException(msg="种子批号不能为空")
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conditions = [SeedLotModel.lot_code == code.strip(), SeedLotModel.is_deleted.is_(False)]
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if exclude_id is not None:
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conditions.append(SeedLotModel.id != exclude_id)
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result = await self.db.execute(select(func.count()).select_from(SeedLotModel).where(*conditions))
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if result.scalar() or 0:
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raise CustomException(msg=f"种子批号 {code} 已存在", status_code=409)
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async def _check_parents(self, data: SeedLotCreateSchema | SeedLotUpdateSchema) -> None:
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await assert_parents_exist(
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self.db,
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[
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(CrossCombinationModel, data.combination_id, '杂交组合'),
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(PollinationModel, data.pollination_id, '授粉记录'),
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],
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)
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async def _attach_fk_labels(self, items: list[SeedLotOutSchema]) -> None:
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if not items:
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return
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combo_ids = {getattr(it, "combination_id") for it in items if getattr(it, "combination_id")}
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if combo_ids:
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refs = await BreedingCrossCombinationCRUD(self.auth, self.db).get_list(search={"id": ("in", list(combo_ids))})
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ref_map = {r.id: getattr(r, "combination_code") for r in refs}
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for it in items:
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it.combination_name = ref_map.get(getattr(it, "combination_id"))
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poll_ids = {getattr(it, "pollination_id") for it in items if getattr(it, "pollination_id")}
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if poll_ids:
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refs = await BreedingPollinationCRUD(self.auth, self.db).get_list(search={"id": ("in", list(poll_ids))})
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ref_map = {r.id: f"{getattr(r, 'pollination_method') or '授粉'}#{r.id}" for r in refs}
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for it in items:
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it.pollination_name = ref_map.get(getattr(it, "pollination_id"))
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def _fill_remaining(self, items: list[SeedLotOutSchema]) -> None:
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for it in items:
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if it.seed_count is not None and it.used_count is not None:
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it.remaining = max(it.seed_count - it.used_count, 0)
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else:
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it.remaining = None
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async def detail(self, id: int) -> SeedLotOutSchema:
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obj = await BreedingSeedLotCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="该种子批不存在")
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out = SeedLotOutSchema.model_validate(obj)
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await self._attach_fk_labels([out])
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self._fill_remaining([out])
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return out
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async def get_list(
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self,
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search: SeedLotQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> list[SeedLotOutSchema]:
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obj_list = await BreedingSeedLotCRUD(self.auth, self.db).get_list(
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search=search_to_dict(search), order_by=order_by
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)
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outs = [SeedLotOutSchema.model_validate(obj) for obj in obj_list]
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await self._attach_fk_labels(outs)
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self._fill_remaining(outs)
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return outs
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async def page(
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self,
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page_no: int,
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page_size: int,
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search: SeedLotQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> PageResultSchema[SeedLotOutSchema]:
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offset = (page_no - 1) * page_size
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result = await BreedingSeedLotCRUD(self.auth, self.db).page(
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offset=offset,
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limit=page_size,
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order_by=order_by or [{"id": "asc"}],
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search=search_to_dict(search, {}),
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out_schema=SeedLotOutSchema,
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)
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await self._attach_fk_labels(result.items)
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self._fill_remaining(result.items)
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return result
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async def create(self, data: SeedLotCreateSchema) -> SeedLotOutSchema:
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await self._check_code(data.lot_code)
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await self._check_parents(data)
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obj = await BreedingSeedLotCRUD(self.auth, self.db).create(data=data)
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out = SeedLotOutSchema.model_validate(obj)
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await self._attach_fk_labels([out])
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self._fill_remaining([out])
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return out
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async def update(self, id: int, data: SeedLotUpdateSchema) -> SeedLotOutSchema:
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obj = await BreedingSeedLotCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="更新失败，该种子批不存在")
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if not _is_blank(data.lot_code):
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await self._check_code(data.lot_code, exclude_id=id)
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await self._check_parents(data)
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obj = await BreedingSeedLotCRUD(self.auth, self.db).update(id=id, data=data)
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out = SeedLotOutSchema.model_validate(obj)
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await self._attach_fk_labels([out])
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self._fill_remaining([out])
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return out
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async def delete(self, ids: list[int]) -> None:
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if not ids:
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raise CustomException(msg="删除失败，删除对象不能为空")
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objs = await BreedingSeedLotCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
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obj_map = {o.id: o for o in objs}
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for id_ in ids:
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if id_ not in obj_map:
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raise CustomException(msg="删除失败，该种子批不存在")
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await BreedingSeedLotCRUD(self.auth, self.db).delete(ids=ids)
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async def list_options(self) -> list[dict[str, Any]]:
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"""供前端下拉选择使用：返回 [{value, label}]。"""
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obj_list = await BreedingSeedLotCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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return [{"value": o.id, "label": o.lot_code} for o in obj_list]
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@staticmethod
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def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
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mapping_dict = {
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"combination_name": "杂交组合",
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"lot_code": "种子批号",
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"harvest_year": "收获年份",
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"seed_count": "收获粒数",
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"used_count": "已用粒数",
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"remaining": "剩余粒数",
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"germination_rate": "发芽率%",
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"storage_type": "存储类型",
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"storage_location": "存放位置",
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"test_date": "检测日期",
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"remark": "备注",
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"created_time": "创建时间",
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"created_by": "创建者",
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}
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data = [dict(item) for item in obj_list]
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for item in data:
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creator = item.get("created_by")
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item["created_by"] = creator.get("name", "未知") if isinstance(creator, dict) else "未知"
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return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
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async def batch_import(self, file: UploadFile, update_support: bool = False) -> ImportResultSchema:
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header_dict = {
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"杂交组合": "combination_id",
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"种子批号": "lot_code",
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"收获年份": "harvest_year",
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"收获粒数": "seed_count",
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"已用粒数": "used_count",
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"发芽率%": "germination_rate",
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"存储类型": "storage_type",
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"存放位置": "storage_location",
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"检测日期": "test_date",
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"备注": "remark",
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}
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try:
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contents = await file.read()
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rows = ExcelUtil.read_excel_to_dicts(contents)
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await file.close()
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if not rows:
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raise CustomException(msg="导入文件为空")
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missing_headers = [h for h in header_dict if h not in rows[0]]
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if missing_headers:
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raise CustomException(msg=f"导入文件缺少必要的列: {', '.join(missing_headers)}")
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combo_refs = await BreedingCrossCombinationCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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combo_map = {getattr(r, "combination_code"): r.id for r in combo_refs}
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mapped_rows = []
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for row in rows:
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mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()})
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required_fields = ["combination_id", "lot_code"]
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errors = []
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for field in required_fields:
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missing_indices = [i + 1 for i, r in enumerate(mapped_rows) if _is_blank(r.get(field))]
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if missing_indices:
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field_name = next(k for k, v in header_dict.items() if v == field)
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rows_str = "、".join(str(i) for i in missing_indices)
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errors.append(f"{field_name}不能为空，第{rows_str}行")
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if errors:
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raise CustomException(msg=f"导入失败，以下行缺少必要字段：\n{'; '.join(errors)}")
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error_msgs: list[str] = []
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success_count = 0
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crud = BreedingSeedLotCRUD(self.auth, self.db)
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# 批量导入：抑制逐行审计，仅导入结束汇总记一条 IMPORT 审计行
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with bre_audit_suppress():
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for i, row in enumerate(mapped_rows, start=1):
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try:
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combo_val = combo_map.get(str(row.get("combination_id")).strip()) if not _is_blank(row.get("combination_id")) else None
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fields = {
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"combination_id": combo_val,
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"lot_code": _none_if_blank(row.get("lot_code")),
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"harvest_year": _to_int(row.get("harvest_year")),
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"seed_count": _to_int(row.get("seed_count")),
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"used_count": _to_int(row.get("used_count")) or 0,
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"germination_rate": _none_if_blank(row.get("germination_rate")),
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"storage_type": _none_if_blank(row.get("storage_type")),
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"storage_location": _none_if_blank(row.get("storage_location")),
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"test_date": _none_if_blank(row.get("test_date")),
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"remark": _none_if_blank(row.get("remark")),
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}
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create_data = SeedLotCreateSchema(**fields)
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await self._check_code(create_data.lot_code)
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await self._check_parents(create_data)
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await crud.create(data=create_data)
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success_count += 1
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except Exception as e:
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error_msgs.append(f"第{i}行: {e!s}")
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continue
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from app.api.v1.module_bre.audit.service import AuditLogService
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await AuditLogService.write(
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self.db,
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entity_type="bre_seed_lot",
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entity_id=None,
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action="IMPORT",
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new_value=f"valid={success_count}, invalid={len(error_msgs)}",
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created_id=self.auth.user.id if self.auth.user.id else None,
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)
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return ImportResultSchema(
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valid_count=success_count,
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invalid_count=len(error_msgs),
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message_list=error_msgs,
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)
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except Exception as e:
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logger.error(f"批量导入种子批管理失败: {e!s}")
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raise CustomException(msg=f"导入失败: {e!s}")
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@staticmethod
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def import_template_download() -> bytes:
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header_list = [
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"杂交组合",
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"种子批号",
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"收获年份",
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"收获粒数",
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"已用粒数",
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"发芽率%",
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"存储类型",
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"存放位置",
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"检测日期",
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"备注",
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]
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return ExcelUtil.get_excel_template(
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header_list=header_list,
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selector_header_list=[],
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option_list=[],
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)
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