260 lines
11 KiB
Python
260 lines
11 KiB
Python
from typing import Any
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from fastapi import UploadFile
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from sqlalchemy import func, select
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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 BreedingEnvironmentConditionCRUD
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from .model import EnvironmentConditionModel
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from .schema import (
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EnvironmentConditionCreateSchema,
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EnvironmentConditionOutSchema,
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EnvironmentConditionQueryParam,
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EnvironmentConditionUpdateSchema,
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)
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from app.core.base_crud import assert_parents_exist
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from app.api.v1.module_bre.site.crud import BreedingSiteCRUD
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from app.api.v1.module_bre.site.model import BreedingSiteModel
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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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def _to_decimal(v: Any):
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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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class EnvironmentConditionService:
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"""环境因子 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[EnvironmentConditionOutSchema]) -> None:
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if not items:
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return
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site_ids = {getattr(it, "site_id") for it in items if getattr(it, "site_id")}
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if site_ids:
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refs = await BreedingSiteCRUD(self.auth, self.db).get_list(search={"id": ("in", list(site_ids))})
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ref_map = {r.id: getattr(r, "site_name") for r in refs}
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for it in items:
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it.site_name = ref_map.get(getattr(it, "site_id"))
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async def _assert_site_year_unique(
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self, site_id: int | None, year: int | None, exclude_id: int | None = None
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) -> None:
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"""(site_id, year) 唯一校验 —— 与 DB UNIQUE(uq_env_site_year) 对齐，含软删行。"""
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if site_id is None or year is None:
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return
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conditions = [
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EnvironmentConditionModel.site_id == site_id,
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EnvironmentConditionModel.year == year,
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]
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if exclude_id is not None:
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conditions.append(EnvironmentConditionModel.id != exclude_id)
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result = await self.db.execute(select(func.count()).select_from(EnvironmentConditionModel).where(*conditions))
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if result.scalar() or 0:
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raise CustomException(
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msg=f"该基地({site_id})在 {year} 年的环境记录已存在", status_code=409
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)
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async def detail(self, id: int) -> EnvironmentConditionOutSchema:
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obj = await BreedingEnvironmentConditionCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="该环境记录不存在")
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out = EnvironmentConditionOutSchema.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: EnvironmentConditionQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> list[EnvironmentConditionOutSchema]:
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obj_list = await BreedingEnvironmentConditionCRUD(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 = [EnvironmentConditionOutSchema.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: EnvironmentConditionQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> PageResultSchema[EnvironmentConditionOutSchema]:
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offset = (page_no - 1) * page_size
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result = await BreedingEnvironmentConditionCRUD(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=EnvironmentConditionOutSchema,
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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: EnvironmentConditionCreateSchema) -> EnvironmentConditionOutSchema:
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await assert_parents_exist(self.db, [(BreedingSiteModel, data.site_id, '试验基地')])
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await self._assert_site_year_unique(data.site_id, data.year)
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obj = await BreedingEnvironmentConditionCRUD(self.auth, self.db).create(data=data)
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out = EnvironmentConditionOutSchema.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: EnvironmentConditionUpdateSchema) -> EnvironmentConditionOutSchema:
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obj = await BreedingEnvironmentConditionCRUD(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，该环境记录不存在")
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await assert_parents_exist(self.db, [(BreedingSiteModel, data.site_id, '试验基地')])
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await self._assert_site_year_unique(data.site_id, data.year, exclude_id=id)
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obj = await BreedingEnvironmentConditionCRUD(self.auth, self.db).update(id=id, data=data)
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out = EnvironmentConditionOutSchema.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 BreedingEnvironmentConditionCRUD(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，该环境记录不存在")
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await BreedingEnvironmentConditionCRUD(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 BreedingEnvironmentConditionCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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return [{"value": o.id, "label": f"基地{o.site_id}·{o.year}"} 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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"site_name": "试验基地",
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"year": "年份",
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"chilling_hours": "需冷量(小时)",
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"growing_degree_days": "生长度日GDD",
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"rainfall_mm": "降水量(mm)",
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"temp_avg": "年均温度(℃)",
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"soil_moisture": "土壤湿度",
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"source": "数据来源",
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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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"试验基地": "site_id",
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"年份": "year",
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"需冷量(小时)": "chilling_hours",
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"生长度日GDD": "growing_degree_days",
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"降水量(mm)": "rainfall_mm",
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"年均温度(℃)": "temp_avg",
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"土壤湿度": "soil_moisture",
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"数据来源": "source",
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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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site_refs = await BreedingSiteCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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site_map = {getattr(r, "site_name"): r.id for r in site_refs}
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error_msgs: list[str] = []
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success_count = 0
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crud = BreedingEnvironmentConditionCRUD(self.auth, self.db)
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for i, row in enumerate(rows, start=1):
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try:
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fields = {
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"site_id": site_map.get(str(row.get("site_id")).strip())
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if not _is_blank(row.get("site_id")) else None,
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"year": _to_int(row.get("year")),
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"chilling_hours": _to_decimal(row.get("chilling_hours")),
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"growing_degree_days": _to_decimal(row.get("growing_degree_days")),
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"rainfall_mm": _to_decimal(row.get("rainfall_mm")),
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"temp_avg": _to_decimal(row.get("temp_avg")),
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"soil_moisture": _to_decimal(row.get("soil_moisture")),
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"source": _none_if_blank(row.get("source")),
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"remark": _none_if_blank(row.get("remark")),
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}
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if fields["site_id"] is None or fields["year"] is None:
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raise ValueError("试验基地/年份不能为空")
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await self._assert_site_year_unique(fields["site_id"], fields["year"])
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create_data = EnvironmentConditionCreateSchema(**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"批量导入环境因子失败: {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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"试验基地",
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"年份",
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"需冷量(小时)",
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"生长度日GDD",
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"降水量(mm)",
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"年均温度(℃)",
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"土壤湿度",
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"数据来源",
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"备注",
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]
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selector_header_list = []
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option_list = []
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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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)
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