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34047007@qq.com b95053c52c init: 初始化 dpb 桃育种系统代码库
前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
2026-08-06 00:17:49 +08:00

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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 BreedingTraitCRUD
from .schema import (
TraitCreateSchema,
TraitOutSchema,
TraitQueryParam,
TraitUpdateSchema,
)
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 TraitService:
"""性状字典 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[TraitOutSchema]) -> None:
if not items:
return
crud = BreedingTraitCRUD(self.auth, self.db)
async def detail(self, id: int) -> TraitOutSchema:
obj = await BreedingTraitCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="该性状字典不存在")
out = TraitOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def get_list(
self,
search: TraitQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[TraitOutSchema]:
obj_list = await BreedingTraitCRUD(self.auth, self.db).get_list(
search=search_to_dict(search), order_by=order_by
)
outs = [TraitOutSchema.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: TraitQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> PageResultSchema[TraitOutSchema]:
offset = (page_no - 1) * page_size
result = await BreedingTraitCRUD(self.auth, self.db).page(
offset=offset,
limit=page_size,
order_by=order_by or [{"id": "asc"}],
search=search_to_dict(search, {}),
out_schema=TraitOutSchema,
)
await self._attach_fk_labels(result.items)
return result
async def create(self, data: TraitCreateSchema) -> TraitOutSchema:
exist_obj = await BreedingTraitCRUD(self.auth, self.db).get(trait_code=data.trait_code)
if exist_obj:
raise CustomException(msg="创建失败,性状编码已存在")
obj = await BreedingTraitCRUD(self.auth, self.db).create(data=data)
out = TraitOutSchema.model_validate(obj)
return out
async def update(self, id: int, data: TraitUpdateSchema) -> TraitOutSchema:
obj = await BreedingTraitCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="更新失败,该性状字典不存在")
if data.trait_code is not None:
exist_obj = await BreedingTraitCRUD(self.auth, self.db).get(trait_code=data.trait_code)
if exist_obj and exist_obj.id != id:
raise CustomException(msg="更新失败,性状编码重复")
obj = await BreedingTraitCRUD(self.auth, self.db).update(id=id, data=data)
out = TraitOutSchema.model_validate(obj)
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 BreedingTraitCRUD(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,该性状字典不存在")
await BreedingTraitCRUD(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 BreedingTraitCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
return [{"value": o.id, "label": o.trait_code} for o in obj_list]
@staticmethod
def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
mapping_dict = {
"trait_code": "性状编码",
"trait_name": "性状名称",
"category": "性状类别",
"data_type": "数据类型",
"unit": "单位",
"is_core": "是否核心性状",
"scale_json": "量规/分级JSON",
"valid_min": "有效最小值",
"valid_max": "有效最大值",
"ontology_uri": "本体IRI",
"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 = {
"性状编码": "trait_code",
"性状名称": "trait_name",
"性状类别": "category",
"数据类型": "data_type",
"单位": "unit",
"是否核心性状": "is_core",
"量规/分级JSON": "scale_json",
"有效最小值": "valid_min",
"有效最大值": "valid_max",
"本体IRI": "ontology_uri",
"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)}")
mapped_rows = []
for row in rows:
mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()})
required_fields = ["trait_code", "trait_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 = BreedingTraitCRUD(self.auth, self.db)
for i, row in enumerate(mapped_rows, start=1):
try:
fields = {
"trait_code": _none_if_blank(row.get("trait_code")),
"trait_name": _none_if_blank(row.get("trait_name")),
"category": _none_if_blank(row.get("category")),
"data_type": _none_if_blank(row.get("data_type")),
"unit": _none_if_blank(row.get("unit")),
"is_core": _none_if_blank(row.get("is_core")),
"scale_json": _none_if_blank(row.get("scale_json")),
"valid_min": _to_float(row.get("valid_min")),
"valid_max": _to_float(row.get("valid_max")),
"ontology_uri": _none_if_blank(row.get("ontology_uri")),
"remark": _none_if_blank(row.get("remark")),
}
unique_kwargs = {"trait_code": fields["trait_code"]}
create_data = TraitCreateSchema(**fields)
exist_obj = await crud.get(**unique_kwargs)
if exist_obj:
if update_support:
await crud.update(id=exist_obj.id, data=TraitUpdateSchema(**fields))
success_count += 1
else:
error_msgs.append(f"第{i}行: 性状编码 {fields['trait_code']} 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"批量导入性状字典失败: {e!s}")
raise CustomException(msg=f"导入失败: {e!s}")
@staticmethod
def import_template_download() -> bytes:
header_list = [
"性状编码",
"性状名称",
"性状类别",
"数据类型",
"单位",
"是否核心性状",
"量规/分级JSON",
"有效最小值",
"有效最大值",
"本体IRI",
"备注",
]
selector_header_list = ["数据类型", "是否核心性状"]
option_list = [
{"数据类型": ["numeric", "categorical"]},
{"是否核心性状": ["1", "0"]},
]
return ExcelUtil.get_excel_template(
header_list=header_list,
selector_header_list=selector_header_list,
option_list=option_list,
)