264 lines
10 KiB
Python
264 lines
10 KiB
Python
from typing import Any
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from fastapi import UploadFile
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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.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 BreedingSelectionRuleCRUD
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from .schema import (
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SelectionRuleCreateSchema,
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SelectionRuleOutSchema,
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SelectionRuleQueryParam,
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SelectionRuleUpdateSchema,
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)
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from app.api.v1.module_bre.target.crud import BreedingTargetCRUD
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from app.core.base_crud import assert_no_children, assert_parents_exist
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from app.api.v1.module_bre.target.model import TargetModel
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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_float(v: Any) -> float | 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 float(v)
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except (TypeError, ValueError):
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return None
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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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class SelectionRuleService:
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"""选择规则 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 _attach_fk_labels(self, items: list[SelectionRuleOutSchema]) -> None:
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if not items:
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return
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crud = BreedingSelectionRuleCRUD(self.auth, self.db)
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target_id_ids = {getattr(it, "target_id") for it in items if getattr(it, "target_id")}
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if target_id_ids:
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refs = await BreedingTargetCRUD(self.auth, self.db).get_list(search={"id": ("in", list(target_id_ids))})
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ref_map = {r.id: getattr(r, "target_name") for r in refs}
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for it in items:
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it.target_name = ref_map.get(getattr(it, "target_id"))
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async def detail(self, id: int) -> SelectionRuleOutSchema:
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obj = await BreedingSelectionRuleCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="该选择规则不存在")
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out = SelectionRuleOutSchema.model_validate(obj)
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await self._attach_fk_labels([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: SelectionRuleQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> list[SelectionRuleOutSchema]:
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obj_list = await BreedingSelectionRuleCRUD(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 = [SelectionRuleOutSchema.model_validate(obj) for obj in obj_list]
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await self._attach_fk_labels(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: SelectionRuleQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> PageResultSchema[SelectionRuleOutSchema]:
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offset = (page_no - 1) * page_size
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result = await BreedingSelectionRuleCRUD(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=SelectionRuleOutSchema,
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)
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await self._attach_fk_labels(result.items)
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return result
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async def create(self, data: SelectionRuleCreateSchema) -> SelectionRuleOutSchema:
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await assert_parents_exist(
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self.db,
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[
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(TargetModel, data.target_id, '育种目标'),
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],
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)
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obj = await BreedingSelectionRuleCRUD(self.auth, self.db).create(data=data)
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out = SelectionRuleOutSchema.model_validate(obj)
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await self._attach_fk_labels([out])
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return out
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async def update(self, id: int, data: SelectionRuleUpdateSchema) -> SelectionRuleOutSchema:
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obj = await BreedingSelectionRuleCRUD(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，该选择规则不存在")
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await assert_parents_exist(
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self.db,
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[
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(TargetModel, data.target_id, '育种目标'),
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],
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)
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obj = await BreedingSelectionRuleCRUD(self.auth, self.db).update(id=id, data=data)
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out = SelectionRuleOutSchema.model_validate(obj)
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await self._attach_fk_labels([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 BreedingSelectionRuleCRUD(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，该选择规则不存在")
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await BreedingSelectionRuleCRUD(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 BreedingSelectionRuleCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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return [{"value": o.id, "label": o.rule_name} 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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"rule_name": "规则名称",
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"target_name": "育种目标",
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"stage": "适用阶段",
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"conditions_json": "条件(JSON)",
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"logic": "逻辑关系",
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"action": "动作",
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"priority": "优先级",
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"enabled": "是否启用",
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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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"规则名称": "rule_name",
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"育种目标": "target_id",
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"适用阶段": "stage",
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"条件(JSON)": "conditions_json",
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"逻辑关系": "logic",
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"动作": "action",
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"优先级": "priority",
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"是否启用": "enabled",
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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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target_id_refs = await BreedingTargetCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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target_id_map = {getattr(r, "target_name"): r.id for r in target_id_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 = ["rule_name", "target_id"]
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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 = BreedingSelectionRuleCRUD(self.auth, self.db)
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for i, row in enumerate(mapped_rows, start=1):
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try:
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target_id_val = target_id_map.get(str(row.get("target_id")).strip()) if not _is_blank(row.get("target_id")) else None
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fields = {
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"rule_name": _none_if_blank(row.get("rule_name")),
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"target_id": target_id_val,
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"stage": _none_if_blank(row.get("stage")),
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"conditions_json": _none_if_blank(row.get("conditions_json")),
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"logic": _none_if_blank(row.get("logic")),
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"action": _none_if_blank(row.get("action")),
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"priority": _to_int(row.get("priority")),
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"enabled": _none_if_blank(row.get("enabled")),
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"remark": _none_if_blank(row.get("remark")),
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}
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create_data = SelectionRuleCreateSchema(**fields)
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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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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"批量导入选择规则失败: {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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"规则名称",
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"育种目标",
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"适用阶段",
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"条件(JSON)",
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"逻辑关系",
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"动作",
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"优先级",
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"是否启用",
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"备注",
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]
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selector_header_list = ["逻辑关系", "动作", "是否启用"]
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option_list = [
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{"逻辑关系": ["and", "or"]},
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{"动作": ["keep", "eliminate"]},
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{"是否启用": ["1", "0"]},
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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=selector_header_list,
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option_list=option_list,
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) |