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 BreedingTreePhotoCRUD from .schema import ( TreePhotoCreateSchema, TreePhotoOutSchema, TreePhotoQueryParam, TreePhotoUpdateSchema, ) from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD from app.api.v1.module_bre.tree.crud import BreedingTreeCRUD from app.api.v1.module_bre.tree_evaluation.crud import BreedingTreeEvaluationCRUD 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.tree_evaluation.model import TreeEvaluationModel from app.api.v1.module_bre.tree.model import TreeModel 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 TreePhotoService: """单株照片 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[TreePhotoOutSchema]) -> None: if not items: return crud = BreedingTreePhotoCRUD(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")) tree_id_ids = {getattr(it, "tree_id") for it in items if getattr(it, "tree_id")} if tree_id_ids: refs = await BreedingTreeCRUD(self.auth, self.db).get_list(search={"id": ("in", list(tree_id_ids))}) ref_map = {r.id: getattr(r, "tree_no") for r in refs} for it in items: it.tree_name = ref_map.get(getattr(it, "tree_id")) evaluation_id_ids = {getattr(it, "evaluation_id") for it in items if getattr(it, "evaluation_id")} if evaluation_id_ids: refs = await BreedingTreeEvaluationCRUD(self.auth, self.db).get_list(search={"id": ("in", list(evaluation_id_ids))}) ref_map = {r.id: getattr(r, "evaluate_date") for r in refs} for it in items: it.evaluation_name = ref_map.get(getattr(it, "evaluation_id")) async def detail(self, id: int) -> TreePhotoOutSchema: obj = await BreedingTreePhotoCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="该单株照片不存在") out = TreePhotoOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def get_list( self, search: TreePhotoQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> list[TreePhotoOutSchema]: obj_list = await BreedingTreePhotoCRUD(self.auth, self.db).get_list( search=search_to_dict(search), order_by=order_by ) outs = [TreePhotoOutSchema.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: TreePhotoQueryParam | None = None, order_by: list[dict[str, str]] | None = None, ) -> PageResultSchema[TreePhotoOutSchema]: offset = (page_no - 1) * page_size result = await BreedingTreePhotoCRUD(self.auth, self.db).page( offset=offset, limit=page_size, order_by=order_by or [{"id": "asc"}], search=search_to_dict(search, {}), out_schema=TreePhotoOutSchema, ) await self._attach_fk_labels(result.items) return result async def create(self, data: TreePhotoCreateSchema) -> TreePhotoOutSchema: await assert_parents_exist( self.db, [ (CrossCombinationModel, data.combination_id, '杂交组合'), (TreeModel, data.tree_id, '单株'), (TreeEvaluationModel, data.evaluation_id, '单株评价'), ], ) await assert_dict_values( self.db, [ ('photo_type', data.photo_type, '照片类型'), ], ) obj = await BreedingTreePhotoCRUD(self.auth, self.db).create(data=data) out = TreePhotoOutSchema.model_validate(obj) await self._attach_fk_labels([out]) return out async def update(self, id: int, data: TreePhotoUpdateSchema) -> TreePhotoOutSchema: obj = await BreedingTreePhotoCRUD(self.auth, self.db).get(id=id) if not obj: raise CustomException(msg="更新失败，该单株照片不存在") await assert_parents_exist( self.db, [ (CrossCombinationModel, data.combination_id, '杂交组合'), (TreeModel, data.tree_id, '单株'), (TreeEvaluationModel, data.evaluation_id, '单株评价'), ], ) await assert_dict_values( self.db, [ ('photo_type', data.photo_type, '照片类型'), ], ) obj = await BreedingTreePhotoCRUD(self.auth, self.db).update(id=id, data=data) out = TreePhotoOutSchema.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 BreedingTreePhotoCRUD(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，该单株照片不存在") await BreedingTreePhotoCRUD(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 BreedingTreePhotoCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) return [{"value": o.id, "label": o.category} for o in obj_list] @staticmethod def batch_export(obj_list: list[dict[str, Any]]) -> bytes: mapping_dict = { "combination_name": "杂交组合", "tree_name": "单株", "evaluation_name": "所属鉴定", "category": "所属标签页", "photo_type": "照片类型", "photo_url": "照片路径/URL", "capture_date": "拍摄日期", "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["photo_type"] = dict_value_to_label("photo_type", item.get("photo_type")) 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", "单株": "tree_id", "所属鉴定": "evaluation_id", "所属标签页": "category", "照片类型": "photo_type", "照片路径/URL": "photo_url", "拍摄日期": "capture_date", "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} tree_id_refs = await BreedingTreeCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) tree_id_map = {getattr(r, "tree_no"): r.id for r in tree_id_refs} evaluation_id_refs = await BreedingTreeEvaluationCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}]) evaluation_id_map = {getattr(r, "evaluate_date"): r.id for r in evaluation_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 = BreedingTreePhotoCRUD(self.auth, self.db) resolver = DictLabelResolver(self.auth, self.db, ["photo_type"]) 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 tree_id_val = tree_id_map.get(str(row.get("tree_id")).strip()) if not _is_blank(row.get("tree_id")) else None evaluation_id_val = evaluation_id_map.get(str(row.get("evaluation_id")).strip()) if not _is_blank(row.get("evaluation_id")) else None fields = { "combination_id": combination_id_val, "tree_id": tree_id_val, "evaluation_id": evaluation_id_val, "category": _none_if_blank(row.get("category")), "photo_type": await resolver.resolve("photo_type", row.get("photo_type")), "photo_url": _none_if_blank(row.get("photo_url")), "capture_date": _none_if_blank(row.get("capture_date")), "remark": _none_if_blank(row.get("remark")), } create_data = TreePhotoCreateSchema(**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"批量导入单株照片失败: {e!s}") raise CustomException(msg=f"导入失败: {e!s}") @staticmethod def import_template_download() -> bytes: header_list = [ "杂交组合", "单株", "所属鉴定", "所属标签页", "照片类型", "照片路径/URL", "拍摄日期", "备注", ] selector_header_list = ["所属标签页", "照片类型"] option_list = [ {"所属标签页": ["基本信息", "基本鉴定", "果实外观", "果皮", "果实大小", "果肉", "果核", "其它"]}, {"照片类型": ["全株", "果实", "枝干"]}, ] return ExcelUtil.get_excel_template( header_list=header_list, selector_header_list=selector_header_list, option_list=option_list, )