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 BreedingSeedlingCRUD from .schema import ( SeedlingCreateSchema, SeedlingOutSchema, SeedlingQueryParam, SeedlingUpdateSchema, ) from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD from app.api.v1.module_bre.personnel.crud import BreedingPersonnelCRUD from app.api.v1.module_bre.seed_treatment.crud import BreedingSeedTreatmentCRUD 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 SeedlingService: """育苗管理 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[SeedlingOutSchema]) -> None: if not items: return crud = BreedingSeedlingCRUD(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")) 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")) treatment_id_ids = {getattr(it, "treatment_id") for it in items if getattr(it, "treatment_id")} if treatment_id_ids: refs = await BreedingSeedTreatmentCRUD(self.auth, self.db).get_list(search={"id": ("in", list(treatment_id_ids))}) ref_map = {r.id: getattr(r, "treatment_method") for r in refs} for it in items: it.treatment_batch_no = ref_map.get(getattr(it, "treatment_id")) async def detail(self, id: int) -> SeedlingOutSchema: obj = await BreedingSeedlingCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="该育苗管理不存在") out = SeedlingOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def get_list( self, search: SeedlingQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> list[SeedlingOutSchema]: obj_list = await BreedingSeedlingCRUD(self.auth, self.db).get_list( search=search_to_dict(search), order_by=order_by ) outs = [SeedlingOutSchema.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: SeedlingQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> PageResultSchema[SeedlingOutSchema]: offset = (page_no - 1) * page_size result = await BreedingSeedlingCRUD(self.auth, self.db).page( offset=offset, limit=page_size, order_by=order_by or [{"id": "asc"}], search=search_to_dict(search, {}), out_schema=SeedlingOutSchema, ) await self._attach_fk_labels(result.items) return result async def create(self, data: SeedlingCreateSchema) -> SeedlingOutSchema: # 默认阶段为"播种" if not data.stage: data.stage = "1" # 自动生成育苗批次号：YP-{组合ID}-{播种日期YYYYMMDD}-{当日序号} if not data.batch_no and data.combination_id: sowing = (data.sowing_date or "")[:10].replace("-", "") prefix = f"YP-{data.combination_id}-{sowing}" existing = await BreedingSeedlingCRUD(self.auth, self.db).get_list( search={"combination_id": ("eq", data.combination_id), "sowing_date": ("like", (data.sowing_date or "")[:10])} ) seq = len(existing) + 1 data.batch_no = f"{prefix}-{seq:02d}" obj = await BreedingSeedlingCRUD(self.auth, self.db).create(data=data) out = SeedlingOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def update(self, id: int, data: SeedlingUpdateSchema) -> SeedlingOutSchema: obj = await BreedingSeedlingCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="更新失败，该育苗管理不存在") obj = await BreedingSeedlingCRUD(self.auth, self.db).update(id=id, data=data) out = SeedlingOutSchema.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 BreedingSeedlingCRUD(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，该育苗管理不存在") await BreedingSeedlingCRUD(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 BreedingSeedlingCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) return [{"value": o.id, "label": o.sowing_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", "treatment_batch_no": "来源处理方式", "batch_no": "育苗批次号", "sowing_date": "播种日期", "tray_no": "穴盘号", "nursery": "苗圃", "seedling_count": "出苗数", "emergence_date": "出苗日期", "strong_seedling_date": "壮苗日期", "strong_seedling_count": "壮苗数", "stage": "阶段(1播种/2出苗/3壮苗)", "bre_personnel_name": "育苗人", "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", "来源处理方式": "treatment_method", "育苗批次号": "batch_no", "播种日期": "sowing_date", "穴盘号": "tray_no", "苗圃": "nursery", "出苗数": "seedling_count", "出苗日期": "emergence_date", "壮苗日期": "strong_seedling_date", "壮苗数": "strong_seedling_count", "阶段": "stage", "育苗人": "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} treatment_refs = await BreedingSeedTreatmentCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) treatment_method_map = {getattr(r, "treatment_method"): r.id for r in treatment_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 = BreedingSeedlingCRUD(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 bre_personnel_id_val = bre_personnel_id_map.get(str(row.get("育苗人")).strip()) if not _is_blank(row.get("育苗人")) else None treatment_id_val = treatment_method_map.get(str(row.get("来源处理方式")).strip()) if not _is_blank(row.get("来源处理方式")) else None fields = { "combination_id": combination_id_val, "treatment_id": treatment_id_val, "batch_no": _none_if_blank(row.get("batch_no")), "sowing_date": _none_if_blank(row.get("sowing_date")), "tray_no": _none_if_blank(row.get("tray_no")), "nursery": _none_if_blank(row.get("nursery")), "seedling_count": _to_int(row.get("seedling_count")), "emergence_date": _none_if_blank(row.get("emergence_date")), "strong_seedling_date": _none_if_blank(row.get("strong_seedling_date")), "strong_seedling_count": _to_int(row.get("strong_seedling_count")), "stage": _none_if_blank(row.get("stage")) or "1", "bre_personnel_id": bre_personnel_id_val, "remark": _none_if_blank(row.get("remark")), } create_data = SeedlingCreateSchema(**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"批量导入育苗管理失败: {e!s}") raise CustomException(msg=f"导入失败: {e!s}") @staticmethod def import_template_download() -> bytes: header_list = [ "杂交组合", "来源处理方式", "育苗批次号", "播种日期", "穴盘号", "苗圃", "出苗数", "出苗日期", "壮苗日期", "壮苗数", "阶段", "育苗人", "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, )