from typing import Any from fastapi import UploadFile from sqlalchemy.ext.asyncio import AsyncSession from app.core.base_schema import AuthSchema, PageResultSchema, ImportResultSchema 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, dict_value_to_label from .crud import BreedingSeedTreatmentCRUD from .schema import ( SeedTreatmentCreateSchema, SeedTreatmentOutSchema, SeedTreatmentQueryParam, SeedTreatmentUpdateSchema, ) from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD from app.api.v1.module_bre.personnel.crud import BreedingPersonnelCRUD from app.core.base_crud import assert_dict_values, assert_no_children, assert_parents_exist from app.api.v1.module_bre.cross_combination.model import CrossCombinationModel from app.api.v1.module_bre.personnel.model import PersonnelModel from app.api.v1.module_bre.seed_lot.model import SeedLotModel from app.api.v1.module_bre.seed_lot.crud import BreedingSeedLotCRUD 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 SeedTreatmentService: """种子处理 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[SeedTreatmentOutSchema]) -> None: if not items: return crud = BreedingSeedTreatmentCRUD(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")) seed_lot_ids = {getattr(it, "seed_lot_id") for it in items if getattr(it, "seed_lot_id")} if seed_lot_ids: refs = await BreedingSeedLotCRUD(self.auth, self.db).get_list(search={"id": ("in", list(seed_lot_ids))}) ref_map = {r.id: getattr(r, "lot_code") for r in refs} for it in items: it.seed_lot_code = ref_map.get(getattr(it, "seed_lot_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) -> SeedTreatmentOutSchema: obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="该种子处理不存在") out = SeedTreatmentOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def get_list( self, search: SeedTreatmentQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> list[SeedTreatmentOutSchema]: obj_list = await BreedingSeedTreatmentCRUD(self.auth, self.db).get_list( search=search_to_dict(search), order_by=order_by ) outs = [SeedTreatmentOutSchema.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: SeedTreatmentQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> PageResultSchema[SeedTreatmentOutSchema]: offset = (page_no - 1) * page_size result = await BreedingSeedTreatmentCRUD(self.auth, self.db).page( offset=offset, limit=page_size, order_by=order_by or [{"id": "asc"}], search=search_to_dict(search, {}), out_schema=SeedTreatmentOutSchema, ) await self._attach_fk_labels(result.items) return result async def create(self, data: SeedTreatmentCreateSchema) -> SeedTreatmentOutSchema: await assert_parents_exist( self.db, [ (CrossCombinationModel, data.combination_id, '杂交组合'), (SeedLotModel, data.seed_lot_id, '种子批'), (PersonnelModel, data.bre_personnel_id, '育种人员'), ], ) await assert_dict_values( self.db, [ ('seed_treatment', data.treatment_method, '处理方式'), ], ) obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).create(data=data) out = SeedTreatmentOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def update(self, id: int, data: SeedTreatmentUpdateSchema) -> SeedTreatmentOutSchema: obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="更新失败，该种子处理不存在") await assert_parents_exist( self.db, [ (CrossCombinationModel, data.combination_id, '杂交组合'), (SeedLotModel, data.seed_lot_id, '种子批'), (PersonnelModel, data.bre_personnel_id, '育种人员'), ], ) await assert_dict_values( self.db, [ ('seed_treatment', data.treatment_method, '处理方式'), ], ) obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).update(id=id, data=data) out = SeedTreatmentOutSchema.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 BreedingSeedTreatmentCRUD(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，该种子处理不存在") await BreedingSeedTreatmentCRUD(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 BreedingSeedTreatmentCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) return [{"value": o.id, "label": o.treatment_method} for o in obj_list] @staticmethod def batch_export(obj_list: list[dict[str, Any]]) -> bytes: mapping_dict = { "combination_name": "杂交组合", "treatment_method": "处理方式", "treatment_start": "处理开始日期", "treatment_end": "处理结束日期", "germination_rate": "发芽率(%)", "bre_personnel_name": "种子处理人", "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" item["treatment_method"] = dict_value_to_label("seed_treatment", item.get("treatment_method")) return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict) async def batch_import(self, file: UploadFile, update_support: bool = False) -> ImportResultSchema: header_dict = { "杂交组合": "combination_id", "处理方式": "treatment_method", "处理开始日期": "treatment_start", "处理结束日期": "treatment_end", "发芽率(%)": "germination_rate", "种子处理人": "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} 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 = BreedingSeedTreatmentCRUD(self.auth, self.db) resolver = DictLabelResolver(self.auth, self.db, ["seed_treatment"]) for i, row in enumerate(mapped_rows, start=1): try: combination_id_val = combination_id_map.get(str(row.get("combination_id")).strip()) if not _is_blank(row.get("combination_id")) else None bre_personnel_id_val = bre_personnel_id_map.get(str(row.get("bre_personnel_id")).strip()) if not _is_blank(row.get("bre_personnel_id")) else None fields = { "combination_id": combination_id_val, "treatment_method": await resolver.resolve("seed_treatment", row.get("treatment_method")), "treatment_start": _none_if_blank(row.get("treatment_start")), "treatment_end": _none_if_blank(row.get("treatment_end")), "germination_rate": _to_float(row.get("germination_rate")), "bre_personnel_id": bre_personnel_id_val, "remark": _none_if_blank(row.get("remark")), } create_data = SeedTreatmentCreateSchema(**fields) await crud.create(data=create_data) success_count += 1 except Exception as e: error_msgs.append(f"第{i}行: {e!s}") continue return ImportResultSchema( valid_count=success_count, invalid_count=len(error_msgs), message_list=error_msgs, ) except Exception as e: logger.error(f"批量导入种子处理失败: {e!s}") raise CustomException(msg=f"导入失败: {e!s}") @staticmethod def import_template_download() -> bytes: header_list = [ "杂交组合", "处理方式", "处理开始日期", "处理结束日期", "发芽率(%)", "种子处理人", "备注", ] selector_header_list = ["处理方式"] option_list = [ {"处理方式": ["试管胚培", "低温沙藏", "室外沙藏", "层积"]}, ] return ExcelUtil.get_excel_template( header_list=header_list, selector_header_list=selector_header_list, option_list=option_list, )