176 lines
6.9 KiB
Python
176 lines
6.9 KiB
Python
from typing import Any
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from fastapi import UploadFile
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.base_schema import AuthSchema, PageResultSchema, ImportResultSchema
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from app.core.exceptions import CustomException
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from app.core.logger import logger
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from app.utils.common_util import search_to_dict
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from app.utils.excel_util import ExcelUtil
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from .crud import BreedingRootstockCRUD
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from .schema import (
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RootstockCreateSchema,
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RootstockOutSchema,
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RootstockQueryParam,
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RootstockUpdateSchema,
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)
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def _is_blank(v: Any) -> bool:
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return v is None or (isinstance(v, str) and v.strip() == "")
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def _none_if_blank(v: Any) -> Any:
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if _is_blank(v):
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return None
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return str(v).strip() if isinstance(v, str) else v
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class RootstockService:
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"""砧木管理 模块服务层"""
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def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
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self.auth = auth
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self.db = db
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async def detail(self, id: int) -> RootstockOutSchema:
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obj = await BreedingRootstockCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="该砧木不存在")
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return RootstockOutSchema.model_validate(obj)
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async def get_list(
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self,
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search: RootstockQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> list[RootstockOutSchema]:
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obj_list = await BreedingRootstockCRUD(self.auth, self.db).get_list(
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search=search_to_dict(search), order_by=order_by
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)
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return [RootstockOutSchema.model_validate(obj) for obj in obj_list]
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async def page(
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self,
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page_no: int,
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page_size: int,
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search: RootstockQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> PageResultSchema[RootstockOutSchema]:
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offset = (page_no - 1) * page_size
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return await BreedingRootstockCRUD(self.auth, self.db).page(
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offset=offset,
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limit=page_size,
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order_by=order_by or [{"id": "asc"}],
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search=search_to_dict(search, {}),
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out_schema=RootstockOutSchema,
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)
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async def create(self, data: RootstockCreateSchema) -> RootstockOutSchema:
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if _is_blank(data.rootstock_name):
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raise CustomException(msg="砧木名称不能为空")
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obj = await BreedingRootstockCRUD(self.auth, self.db).create(data=data)
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return RootstockOutSchema.model_validate(obj)
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async def update(self, id: int, data: RootstockUpdateSchema) -> RootstockOutSchema:
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obj = await BreedingRootstockCRUD(self.auth, self.db).get(id=id)
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if not obj:
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raise CustomException(msg="更新失败，该砧木不存在")
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obj = await BreedingRootstockCRUD(self.auth, self.db).update(id=id, data=data)
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return RootstockOutSchema.model_validate(obj)
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async def delete(self, ids: list[int]) -> None:
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if not ids:
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raise CustomException(msg="删除失败，删除对象不能为空")
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objs = await BreedingRootstockCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
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obj_map = {o.id: o for o in objs}
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for id_ in ids:
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if id_ not in obj_map:
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raise CustomException(msg="删除失败，该砧木不存在")
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await BreedingRootstockCRUD(self.auth, self.db).delete(ids=ids)
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async def list_options(self) -> list[dict[str, Any]]:
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"""供前端下拉选择使用：返回 [{value, label}]。"""
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obj_list = await BreedingRootstockCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
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return [{"value": o.id, "label": o.rootstock_name} for o in obj_list]
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@staticmethod
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def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
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mapping_dict = {
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"rootstock_code": "砧木编号",
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"rootstock_name": "砧木名称",
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"dwarf_class": "矮化类",
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"compatibility": "砧穗亲和性",
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"remark": "备注",
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"created_time": "创建时间",
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"created_by": "创建者",
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}
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data = [dict(item) for item in obj_list]
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for item in data:
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creator = item.get("created_by")
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item["created_by"] = creator.get("name", "未知") if isinstance(creator, dict) else "未知"
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return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
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async def batch_import(self, file: UploadFile, update_support: bool = False) -> ImportResultSchema:
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header_dict = {
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"砧木编号": "rootstock_code",
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"砧木名称": "rootstock_name",
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"矮化类": "dwarf_class",
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"砧穗亲和性": "compatibility",
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"备注": "remark",
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}
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try:
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contents = await file.read()
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rows = ExcelUtil.read_excel_to_dicts(contents)
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await file.close()
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if not rows:
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raise CustomException(msg="导入文件为空")
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missing_headers = [h for h in header_dict if h not in rows[0]]
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if missing_headers:
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raise CustomException(msg=f"导入文件缺少必要的列: {', '.join(missing_headers)}")
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error_msgs: list[str] = []
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success_count = 0
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crud = BreedingRootstockCRUD(self.auth, self.db)
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for i, row in enumerate(rows, start=1):
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try:
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fields = {
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"rootstock_code": _none_if_blank(row.get("rootstock_code")),
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"rootstock_name": _none_if_blank(row.get("rootstock_name")),
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"dwarf_class": _none_if_blank(row.get("dwarf_class")),
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"compatibility": _none_if_blank(row.get("compatibility")),
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"remark": _none_if_blank(row.get("remark")),
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}
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create_data = RootstockCreateSchema(**fields)
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await crud.create(data=create_data)
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success_count += 1
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except Exception as e:
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error_msgs.append(f"第{i}行: {e!s}")
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continue
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return ImportResultSchema(
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valid_count=success_count,
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invalid_count=len(error_msgs),
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message_list=error_msgs,
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)
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except Exception as e:
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logger.error(f"批量导入砧木管理失败: {e!s}")
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raise CustomException(msg=f"导入失败: {e!s}")
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@staticmethod
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def import_template_download() -> bytes:
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header_list = [
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"砧木编号",
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"砧木名称",
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"矮化类",
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"砧穗亲和性",
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"备注",
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]
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return ExcelUtil.get_excel_template(
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header_list=header_list,
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selector_header_list=["矮化类", "砧穗亲和性"],
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option_list=[
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{"矮化类": ["矮化", "半矮化", "乔化", "柱状", "其他"]},
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{"砧穗亲和性": ["强", "中", "弱"]},
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],
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)
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