Files
dpb/backend/app/api/v1/module_bre/seed_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

294 lines
13 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 app.utils.dict_util import DictLabelResolver, dict_value_to_label
from .crud import BreedingSeedTreatmentCRUD
from .schema import (
SeedTreatmentCreateSchema,
SeedTreatmentOutSchema,
SeedTreatmentQueryParam,
SeedTreatmentUpdateSchema,
)
from app.api.v1.module_bre.cross_combination.crud import BreedingCrossCombinationCRUD
from app.api.v1.module_bre.personnel.crud import BreedingPersonnelCRUD
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.personnel.model import PersonnelModel
from app.api.v1.module_bre.seed_lot.model import SeedLotModel
from app.api.v1.module_bre.seed_lot.crud import BreedingSeedLotCRUD
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 SeedTreatmentService:
"""种子处理 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[SeedTreatmentOutSchema]) -> None:
if not items:
return
crud = BreedingSeedTreatmentCRUD(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"))
seed_lot_ids = {getattr(it, "seed_lot_id") for it in items if getattr(it, "seed_lot_id")}
if seed_lot_ids:
refs = await BreedingSeedLotCRUD(self.auth, self.db).get_list(search={"id": ("in", list(seed_lot_ids))})
ref_map = {r.id: getattr(r, "lot_code") for r in refs}
for it in items:
it.seed_lot_code = ref_map.get(getattr(it, "seed_lot_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"))
async def detail(self, id: int) -> SeedTreatmentOutSchema:
obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="该种子处理不存在")
out = SeedTreatmentOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def get_list(
self,
search: SeedTreatmentQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[SeedTreatmentOutSchema]:
obj_list = await BreedingSeedTreatmentCRUD(self.auth, self.db).get_list(
search=search_to_dict(search), order_by=order_by
)
outs = [SeedTreatmentOutSchema.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: SeedTreatmentQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> PageResultSchema[SeedTreatmentOutSchema]:
offset = (page_no - 1) * page_size
result = await BreedingSeedTreatmentCRUD(self.auth, self.db).page(
offset=offset,
limit=page_size,
order_by=order_by or [{"id": "asc"}],
search=search_to_dict(search, {}),
out_schema=SeedTreatmentOutSchema,
)
await self._attach_fk_labels(result.items)
return result
async def create(self, data: SeedTreatmentCreateSchema) -> SeedTreatmentOutSchema:
await assert_parents_exist(
self.db,
[
(CrossCombinationModel, data.combination_id, '杂交组合'),
(SeedLotModel, data.seed_lot_id, '种子批'),
(PersonnelModel, data.bre_personnel_id, '育种人员'),
],
)
await assert_dict_values(
self.db,
[
('seed_treatment', data.treatment_method, '处理方式'),
],
)
obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).create(data=data)
out = SeedTreatmentOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def update(self, id: int, data: SeedTreatmentUpdateSchema) -> SeedTreatmentOutSchema:
obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="更新失败,该种子处理不存在")
await assert_parents_exist(
self.db,
[
(CrossCombinationModel, data.combination_id, '杂交组合'),
(SeedLotModel, data.seed_lot_id, '种子批'),
(PersonnelModel, data.bre_personnel_id, '育种人员'),
],
)
await assert_dict_values(
self.db,
[
('seed_treatment', data.treatment_method, '处理方式'),
],
)
obj = await BreedingSeedTreatmentCRUD(self.auth, self.db).update(id=id, data=data)
out = SeedTreatmentOutSchema.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 BreedingSeedTreatmentCRUD(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,该种子处理不存在")
await BreedingSeedTreatmentCRUD(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 BreedingSeedTreatmentCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
return [{"value": o.id, "label": o.treatment_method} 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_method": "处理方式",
"treatment_start": "处理开始日期",
"treatment_end": "处理结束日期",
"germination_rate": "发芽率(%)",
"bre_personnel_name": "种子处理人",
"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"
item["treatment_method"] = dict_value_to_label("seed_treatment", item.get("treatment_method"))
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",
"处理方式": "treatment_method",
"处理开始日期": "treatment_start",
"处理结束日期": "treatment_end",
"发芽率(%)": "germination_rate",
"种子处理人": "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}
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 = BreedingSeedTreatmentCRUD(self.auth, self.db)
resolver = DictLabelResolver(self.auth, self.db, ["seed_treatment"])
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
bre_personnel_id_val = bre_personnel_id_map.get(str(row.get("bre_personnel_id")).strip()) if not _is_blank(row.get("bre_personnel_id")) else None
fields = {
"combination_id": combination_id_val,
"treatment_method": await resolver.resolve("seed_treatment", row.get("treatment_method")),
"treatment_start": _none_if_blank(row.get("treatment_start")),
"treatment_end": _none_if_blank(row.get("treatment_end")),
"germination_rate": _to_float(row.get("germination_rate")),
"bre_personnel_id": bre_personnel_id_val,
"remark": _none_if_blank(row.get("remark")),
}
create_data = SeedTreatmentCreateSchema(**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"批量导入种子处理失败: {e!s}")
raise CustomException(msg=f"导入失败: {e!s}")
@staticmethod
def import_template_download() -> bytes:
header_list = [
"杂交组合",
"处理方式",
"处理开始日期",
"处理结束日期",
"发芽率(%)",
"种子处理人",
"备注",
]
selector_header_list = ["处理方式"]
option_list = [
{"处理方式": ["试管胚培", "低温沙藏", "室外沙藏", "层积"]},
]
return ExcelUtil.get_excel_template(
header_list=header_list,
selector_header_list=selector_header_list,
option_list=option_list,
)