Files
dpb/backend/app/api/v1/module_bre/treatment/service.py
T
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

253 lines
9.8 KiB
Python

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 .crud import BreedingTreatmentCRUD
from .schema import (
TreatmentCreateSchema,
TreatmentOutSchema,
TreatmentQueryParam,
TreatmentUpdateSchema,
)
from app.api.v1.module_bre.trial_study.crud import BreedingTrialStudyCRUD
from app.core.base_crud import assert_no_children, assert_parents_exist
from app.api.v1.module_bre.seedling.model import SeedlingModel
from app.api.v1.module_bre.trial_study.model import TrialStudyModel
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 TreatmentService:
"""试验处理 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[TreatmentOutSchema]) -> None:
if not items:
return
crud = BreedingTreatmentCRUD(self.auth, self.db)
trial_study_id_ids = {getattr(it, "trial_study_id") for it in items if getattr(it, "trial_study_id")}
if trial_study_id_ids:
refs = await BreedingTrialStudyCRUD(self.auth, self.db).get_list(search={"id": ("in", list(trial_study_id_ids))})
ref_map = {r.id: getattr(r, "study_name") for r in refs}
for it in items:
it.trial_study_name = ref_map.get(getattr(it, "trial_study_id"))
async def detail(self, id: int) -> TreatmentOutSchema:
obj = await BreedingTreatmentCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="该试验处理不存在")
out = TreatmentOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def get_list(
self,
search: TreatmentQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[TreatmentOutSchema]:
obj_list = await BreedingTreatmentCRUD(self.auth, self.db).get_list(
search=search_to_dict(search), order_by=order_by
)
outs = [TreatmentOutSchema.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: TreatmentQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> PageResultSchema[TreatmentOutSchema]:
offset = (page_no - 1) * page_size
result = await BreedingTreatmentCRUD(self.auth, self.db).page(
offset=offset,
limit=page_size,
order_by=order_by or [{"id": "asc"}],
search=search_to_dict(search, {}),
out_schema=TreatmentOutSchema,
)
await self._attach_fk_labels(result.items)
return result
async def create(self, data: TreatmentCreateSchema) -> TreatmentOutSchema:
await assert_parents_exist(
self.db,
[
(TrialStudyModel, data.trial_study_id, '试验执行'),
],
)
obj = await BreedingTreatmentCRUD(self.auth, self.db).create(data=data)
out = TreatmentOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def update(self, id: int, data: TreatmentUpdateSchema) -> TreatmentOutSchema:
obj = await BreedingTreatmentCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="更新失败,该试验处理不存在")
await assert_parents_exist(
self.db,
[
(TrialStudyModel, data.trial_study_id, '试验执行'),
],
)
obj = await BreedingTreatmentCRUD(self.auth, self.db).update(id=id, data=data)
out = TreatmentOutSchema.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 BreedingTreatmentCRUD(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,该试验处理不存在")
await assert_no_children(
self.db,
ids,
[
(SeedlingModel, 'treatment_id', '实生苗'),
],
)
await BreedingTreatmentCRUD(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 BreedingTreatmentCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
return [{"value": o.id, "label": o.factor} for o in obj_list]
@staticmethod
def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
mapping_dict = {
"trial_study_name": "所属研究点",
"factor": "因子",
"level": "水平",
"description": "描述",
"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) -> ImportResultSchema:
header_dict = {
"所属研究点": "trial_study_id",
"因子": "factor",
"水平": "level",
"描述": "description",
"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)}")
trial_study_id_refs = await BreedingTrialStudyCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
trial_study_id_map = {getattr(r, "study_name"): r.id for r in trial_study_id_refs}
mapped_rows = []
for row in rows:
mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()})
required_fields = ["trial_study_id", "factor", "level"]
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 = BreedingTreatmentCRUD(self.auth, self.db)
for i, row in enumerate(mapped_rows, start=1):
try:
trial_study_id_val = trial_study_id_map.get(str(row.get("trial_study_id")).strip()) if not _is_blank(row.get("trial_study_id")) else None
fields = {
"trial_study_id": trial_study_id_val,
"factor": _none_if_blank(row.get("factor")),
"level": _none_if_blank(row.get("level")),
"description": _none_if_blank(row.get("description")),
"remark": _none_if_blank(row.get("remark")),
}
create_data = TreatmentCreateSchema(**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"批量导入试验处理失败: {e!s}")
raise CustomException(msg=f"导入失败: {e!s}")
@staticmethod
def import_template_download() -> bytes:
header_list = [
"所属研究点",
"因子",
"水平",
"描述",
"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,
)