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 app.utils.dict_util import DictLabelResolver from .crud import BreedingGermplasmCRUD from .schema import ( BreedingGermplasmCreateSchema, BreedingGermplasmOutSchema, BreedingGermplasmQueryParam, BreedingGermplasmUpdateSchema, ) 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 def _to_bool(v: Any) -> bool: if _is_blank(v): return False return str(v).strip().lower() in ("是", "true", "1", "yes", "y") class BreedingGermplasmService: """亲本资源管理模块服务层""" def __init__(self, auth: AuthSchema, db: AsyncSession) -> None: self.auth = auth self.db = db async def detail(self, id: int) -> BreedingGermplasmOutSchema: obj = await BreedingGermplasmCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="该亲本资源不存在") return BreedingGermplasmOutSchema.model_validate(obj) async def get_list( self, search: BreedingGermplasmQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> list[BreedingGermplasmOutSchema]: obj_list = await BreedingGermplasmCRUD(self.auth, self.db).get_list( search=search_to_dict(search), order_by=order_by ) return [BreedingGermplasmOutSchema.model_validate(obj) for obj in obj_list] async def page( self, page_no: int, page_size: int, search: BreedingGermplasmQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> PageResultSchema[BreedingGermplasmOutSchema]: offset = (page_no - 1) * page_size return await BreedingGermplasmCRUD(self.auth, self.db).page( offset=offset, limit=page_size, order_by=order_by or [{"id": "asc"}], search=search_to_dict(search, {}), out_schema=BreedingGermplasmOutSchema, ) async def create(self, data: BreedingGermplasmCreateSchema) -> BreedingGermplasmOutSchema: exist_obj = await BreedingGermplasmCRUD(self.auth, self.db).get(cultivar_name=data.cultivar_name) if exist_obj: raise CustomException(msg="创建失败，品种/种质名称已存在") obj = await BreedingGermplasmCRUD(self.auth, self.db).create(data=data) return BreedingGermplasmOutSchema.model_validate(obj) async def update(self, id: int, data: BreedingGermplasmUpdateSchema) -> BreedingGermplasmOutSchema: obj = await BreedingGermplasmCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="更新失败，该亲本资源不存在") if data.cultivar_name is not None: exist_obj = await BreedingGermplasmCRUD(self.auth, self.db).get(cultivar_name=data.cultivar_name) if exist_obj and exist_obj.id != id: raise CustomException(msg="更新失败，品种/种质名称重复") obj = await BreedingGermplasmCRUD(self.auth, self.db).update(id=id, data=data) return BreedingGermplasmOutSchema.model_validate(obj) 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 BreedingGermplasmCRUD(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，该亲本资源不存在") await BreedingGermplasmCRUD(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 BreedingGermplasmCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) return [{"value": o.id, "label": o.cultivar_name} for o in obj_list] @staticmethod def batch_export(obj_list: list[dict[str, Any]]) -> bytes: mapping_dict = { "id": "编号", "cultivar_name": "品种/种质名称", "variety_type": "变种类型", "origin": "来源", "preservation_site": "保存地", "avg_fruit_weight": "平均果重(g)", "ssc": "可溶性固形物(%)", "firmness": "硬度", "maturity_period": "成熟期", "flowering_period": "花期", "chilling_requirement": "需冷量(h)", "disease_resistance": "抗病性描述", "can_be_female": "可作母本", "can_be_male": "可作父本", "pedigree_note": "系谱备注", "photo_path": "照片地址", "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" item["can_be_female"] = "是" if item.get("can_be_female") else "否" item["can_be_male"] = "是" if item.get("can_be_male") else "否" 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 = { "品种/种质名称": "cultivar_name", "变种类型": "variety_type", "来源": "origin", "保存地": "preservation_site", "平均果重(g)": "avg_fruit_weight", "可溶性固形物(%)": "ssc", "硬度": "firmness", "成熟期": "maturity_period", "花期": "flowering_period", "需冷量(h)": "chilling_requirement", "抗病性描述": "disease_resistance", "可作母本": "can_be_female", "可作父本": "can_be_male", "系谱备注": "pedigree_note", "照片地址": "photo_path", } 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)}") mapped_rows = [] for row in rows: mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()}) required_fields = ["cultivar_name"] 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 = BreedingGermplasmCRUD(self.auth, self.db) resolver = DictLabelResolver(self.auth, self.db, ["variety_type", "maturity_period", "firmness", "flowering_period"]) for i, row in enumerate(mapped_rows, start=1): try: fields = { "cultivar_name": str(row["cultivar_name"]).strip(), "variety_type": await resolver.resolve("variety_type", row.get("variety_type")), "origin": _none_if_blank(row.get("origin")), "preservation_site": _none_if_blank(row.get("preservation_site")), "avg_fruit_weight": _to_float(row.get("avg_fruit_weight")), "ssc": _to_float(row.get("ssc")), "firmness": await resolver.resolve("firmness", row.get("firmness")), "maturity_period": await resolver.resolve("maturity_period", row.get("maturity_period")), "flowering_period": await resolver.resolve("flowering_period", row.get("flowering_period")), "chilling_requirement": _to_int(row.get("chilling_requirement")), "disease_resistance": _none_if_blank(row.get("disease_resistance")), "can_be_female": _to_bool(row.get("can_be_female")), "can_be_male": _to_bool(row.get("can_be_male")), "pedigree_note": _none_if_blank(row.get("pedigree_note")), "photo_path": _none_if_blank(row.get("photo_path")), } create_data = BreedingGermplasmCreateSchema(**fields) exist_obj = await crud.get(cultivar_name=create_data.cultivar_name) if exist_obj: if update_support: await crud.update(id=exist_obj.id, data=BreedingGermplasmUpdateSchema(**fields)) success_count += 1 else: error_msgs.append(f"第{i}行: 品种/种质名称 {create_data.cultivar_name} 已存在") else: 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"批量导入亲本资源失败: {e!s}") raise CustomException(msg=f"导入失败: {e!s}") @staticmethod def import_template_download() -> bytes: header_list = [ "品种/种质名称", "变种类型", "来源", "保存地", "平均果重(g)", "可溶性固形物(%)", "硬度", "成熟期", "花期", "需冷量(h)", "抗病性描述", "可作母本", "可作父本", "系谱备注", "照片地址", ] selector_header_list = ["可作母本", "可作父本"] option_list = [{"可作母本": ["是", "否"]}, {"可作父本": ["是", "否"]}] return ExcelUtil.get_excel_template( header_list=header_list, selector_header_list=selector_header_list, option_list=option_list, )