from typing import Any from fastapi import UploadFile from sqlalchemy.ext.asyncio import AsyncSession from app.core.base_schema import AuthSchema, PageResultSchema from app.core.exceptions import CustomException from app.core.logger import logger from app.utils.common_util import search_to_dict from app.utils.excel_util import ExcelUtil from .crud import BreedingPollinationCRUD from .schema import ( PollinationCreateSchema, PollinationOutSchema, PollinationQueryParam, PollinationUpdateSchema, ) from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD from app.api.v1.module_bre.site.crud import BreedingPlotCRUD from app.api.v1.module_bre.personnel.crud import BreedingPersonnelCRUD def _is_blank(v: Any) -> bool: return v is None or (isinstance(v, str) and v.strip() == "") def _none_if_blank(v: Any) -> Any: if _is_blank(v): return None return str(v).strip() if isinstance(v, str) else v def _to_float(v: Any) -> float | None: if _is_blank(v): return None try: return float(v) except (TypeError, ValueError): return None def _to_int(v: Any) -> int | None: if _is_blank(v): return None try: return int(float(v)) except (TypeError, ValueError): return None class PollinationService: """授粉管理 模块服务层""" def __init__(self, auth: AuthSchema, db: AsyncSession) -> None: self.auth = auth self.db = db async def _attach_fk_labels(self, items: list[PollinationOutSchema]) -> None: if not items: return crud = BreedingPollinationCRUD(self.auth, self.db) combination_id_ids = {getattr(it, "combination_id") for it in items if getattr(it, "combination_id")} if combination_id_ids: refs = await BreedingCrossCombinationCRUD(self.auth, self.db).get_list(search={"id": ("in", list(combination_id_ids))}) ref_map = {r.id: getattr(r, "combination_code") for r in refs} for it in items: it.combination_name = ref_map.get(getattr(it, "combination_id")) plot_id_ids = {getattr(it, "plot_id") for it in items if getattr(it, "plot_id")} if plot_id_ids: refs = await BreedingPlotCRUD(self.auth, self.db).get_list(search={"id": ("in", list(plot_id_ids))}) ref_map = {r.id: getattr(r, "plot_code") for r in refs} for it in items: it.plot_name = ref_map.get(getattr(it, "plot_id")) bre_personnel_id_ids = {getattr(it, "bre_personnel_id") for it in items if getattr(it, "bre_personnel_id")} if bre_personnel_id_ids: refs = await BreedingPersonnelCRUD(self.auth, self.db).get_list(search={"id": ("in", list(bre_personnel_id_ids))}) ref_map = {r.id: getattr(r, "name") for r in refs} for it in items: it.bre_personnel_name = ref_map.get(getattr(it, "bre_personnel_id")) async def detail(self, id: int) -> PollinationOutSchema: obj = await BreedingPollinationCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="该授粉管理不存在") out = PollinationOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def get_list( self, search: PollinationQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> list[PollinationOutSchema]: obj_list = await BreedingPollinationCRUD(self.auth, self.db).get_list( search=search_to_dict(search), order_by=order_by ) outs = [PollinationOutSchema.model_validate(obj) for obj in obj_list] await self._attach_fk_labels(outs) return outs async def page( self, page_no: int, page_size: int, search: PollinationQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> PageResultSchema[PollinationOutSchema]: offset = (page_no - 1) * page_size result = await BreedingPollinationCRUD(self.auth, self.db).page( offset=offset, limit=page_size, order_by=order_by or [{"id": "asc"}], search=search_to_dict(search, {}), out_schema=PollinationOutSchema, ) await self._attach_fk_labels(result.items) return result async def create(self, data: PollinationCreateSchema) -> PollinationOutSchema: obj = await BreedingPollinationCRUD(self.auth, self.db).create(data=data) out = PollinationOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def update(self, id: int, data: PollinationUpdateSchema) -> PollinationOutSchema: obj = await BreedingPollinationCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="更新失败，该授粉管理不存在") obj = await BreedingPollinationCRUD(self.auth, self.db).update(id=id, data=data) out = PollinationOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def delete(self, ids: list[int]) -> None: if not ids: raise CustomException(msg="删除失败，删除对象不能为空") objs = await BreedingPollinationCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)}) obj_map = {o.id: o for o in objs} for id_ in ids: if id_ not in obj_map: raise CustomException(msg="删除失败，该授粉管理不存在") await BreedingPollinationCRUD(self.auth, self.db).delete(ids=ids) async def list_options(self) -> list[dict[str, Any]]: """供前端下拉选择使用：返回 [{value, label}]。""" obj_list = await BreedingPollinationCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) return [{"value": o.id, "label": o.pollination_date} for o in obj_list] @staticmethod def batch_export(obj_list: list[dict[str, Any]]) -> bytes: mapping_dict = { "combination_name": "杂交组合", "plot_name": "试验地块", "pollination_date": "授粉日期", "flower_count": "花朵数", "effective_count": "有效坐果数", "bre_personnel_name": "授粉人", "remark": "备注", "created_time": "创建时间", "created_by": "创建者", } data = [dict(item) for item in obj_list] for item in data: creator = item.get("created_by") item["created_by"] = creator.get("name", "未知") if isinstance(creator, dict) else "未知" return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict) async def batch_import(self, file: UploadFile, update_support: bool = False) -> str: header_dict = { "杂交组合": "combination_id", "试验地块": "plot_id", "授粉日期": "pollination_date", "花朵数": "flower_count", "有效坐果数": "effective_count", "授粉人": "bre_personnel_id", "备注": "remark", } try: contents = await file.read() rows = ExcelUtil.read_excel_to_dicts(contents) await file.close() if not rows: raise CustomException(msg="导入文件为空") missing_headers = [h for h in header_dict if h not in rows[0]] if missing_headers: raise CustomException(msg=f"导入文件缺少必要的列: {', '.join(missing_headers)}") combination_id_refs = await BreedingCrossCombinationCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) combination_id_map = {getattr(r, "combination_code"): r.id for r in combination_id_refs} plot_id_refs = await BreedingPlotCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) plot_id_map = {getattr(r, "plot_code"): r.id for r in plot_id_refs} bre_personnel_id_refs = await BreedingPersonnelCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) bre_personnel_id_map = {getattr(r, "name"): r.id for r in bre_personnel_id_refs} mapped_rows = [] for row in rows: mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()}) required_fields = ["combination_id"] errors = [] for field in required_fields: missing_indices = [i + 1 for i, r in enumerate(mapped_rows) if _is_blank(r.get(field))] if missing_indices: field_name = next(k for k, v in header_dict.items() if v == field) rows_str = "、".join(str(i) for i in missing_indices) errors.append(f"{field_name}不能为空，第{rows_str}行") if errors: raise CustomException(msg=f"导入失败，以下行缺少必要字段：\n{'; '.join(errors)}") error_msgs: list[str] = [] success_count = 0 crud = BreedingPollinationCRUD(self.auth, self.db) for i, row in enumerate(mapped_rows, start=1): try: combination_id_val = combination_id_map.get(str(row.get("杂交组合")).strip()) if not _is_blank(row.get("杂交组合")) else None plot_id_val = plot_id_map.get(str(row.get("试验地块")).strip()) if not _is_blank(row.get("试验地块")) else None bre_personnel_id_val = bre_personnel_id_map.get(str(row.get("授粉人")).strip()) if not _is_blank(row.get("授粉人")) else None fields = { "combination_id": combination_id_val, "plot_id": plot_id_val, "pollination_date": _none_if_blank(row.get("pollination_date")), "flower_count": _to_int(row.get("flower_count")), "effective_count": _to_int(row.get("effective_count")), "bre_personnel_id": bre_personnel_id_val, "remark": _none_if_blank(row.get("remark")), } create_data = PollinationCreateSchema(**fields) await crud.create(data=create_data) success_count += 1 except Exception as e: error_msgs.append(f"第{i}行: {e!s}") continue result = f"成功导入 {success_count} 条数据" if error_msgs: result += "\n错误信息:\n" + "\n".join(error_msgs) return result except Exception as e: logger.error(f"批量导入授粉管理失败: {e!s}") raise CustomException(msg=f"导入失败: {e!s}") @staticmethod def import_template_download() -> bytes: header_list = [ "杂交组合", "试验地块", "授粉日期", "花朵数", "有效坐果数", "授粉人", "备注", ] selector_header_list = [] option_list = [ ] return ExcelUtil.get_excel_template( header_list=header_list, selector_header_list=selector_header_list, option_list=option_list, )