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dpb/backend/scripts/_backup_query_param/selection_rule__service.py.bak
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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 BreedingSelectionRuleCRUD
from .schema import (
SelectionRuleCreateSchema,
SelectionRuleOutSchema,
SelectionRuleQueryParam,
SelectionRuleUpdateSchema,
)
from app.api.v1.module_bre.target.crud import BreedingTargetCRUD
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 SelectionRuleService:
"""选择规则 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[SelectionRuleOutSchema]) -> None:
if not items:
return
crud = BreedingSelectionRuleCRUD(self.auth, self.db)
target_id_ids = {getattr(it, "target_id") for it in items if getattr(it, "target_id")}
if target_id_ids:
refs = await BreedingTargetCRUD(self.auth, self.db).get_list(search={"id": ("in", list(target_id_ids))})
ref_map = {r.id: getattr(r, "target_name") for r in refs}
for it in items:
it.target_name = ref_map.get(getattr(it, "target_id"))
async def detail(self, id: int) -> SelectionRuleOutSchema:
obj = await BreedingSelectionRuleCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="该选择规则不存在")
out = SelectionRuleOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def get_list(
self,
search: SelectionRuleQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[SelectionRuleOutSchema]:
obj_list = await BreedingSelectionRuleCRUD(self.auth, self.db).get_list(
search=search_to_dict(search), order_by=order_by
)
outs = [SelectionRuleOutSchema.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: SelectionRuleQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> PageResultSchema[SelectionRuleOutSchema]:
offset = (page_no - 1) * page_size
result = await BreedingSelectionRuleCRUD(self.auth, self.db).page(
offset=offset,
limit=page_size,
order_by=order_by or [{"id": "asc"}],
search=search_to_dict(search, {}),
out_schema=SelectionRuleOutSchema,
)
await self._attach_fk_labels(result.items)
return result
async def create(self, data: SelectionRuleCreateSchema) -> SelectionRuleOutSchema:
obj = await BreedingSelectionRuleCRUD(self.auth, self.db).create(data=data)
out = SelectionRuleOutSchema.model_validate(obj)
await self._attach_fk_labels([out])
return out
async def update(self, id: int, data: SelectionRuleUpdateSchema) -> SelectionRuleOutSchema:
obj = await BreedingSelectionRuleCRUD(self.auth, self.db).get(id=id)
if not obj:
raise CustomException(msg="更新失败,该选择规则不存在")
obj = await BreedingSelectionRuleCRUD(self.auth, self.db).update(id=id, data=data)
out = SelectionRuleOutSchema.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 BreedingSelectionRuleCRUD(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,该选择规则不存在")
await BreedingSelectionRuleCRUD(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 BreedingSelectionRuleCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
return [{"value": o.id, "label": o.rule_name} for o in obj_list]
@staticmethod
def batch_export(obj_list: list[dict[str, Any]]) -> bytes:
mapping_dict = {
"rule_name": "规则名称",
"target_name": "育种目标",
"stage": "适用阶段",
"conditions_json": "条件(JSON)",
"logic": "逻辑关系",
"action": "动作",
"priority": "优先级",
"enabled": "是否启用",
"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 = {
"规则名称": "rule_name",
"育种目标": "target_id",
"适用阶段": "stage",
"条件(JSON)": "conditions_json",
"逻辑关系": "logic",
"动作": "action",
"优先级": "priority",
"是否启用": "enabled",
"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)}")
target_id_refs = await BreedingTargetCRUD(self.auth, self.db).get_list(order_by=[{"id": "asc"}])
target_id_map = {getattr(r, "target_name"): r.id for r in target_id_refs}
mapped_rows = []
for row in rows:
mapped_rows.append({en: row.get(ch) for ch, en in header_dict.items()})
required_fields = ["rule_name", "target_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 = BreedingSelectionRuleCRUD(self.auth, self.db)
for i, row in enumerate(mapped_rows, start=1):
try:
target_id_val = target_id_map.get(str(row.get("育种目标")).strip()) if not _is_blank(row.get("育种目标")) else None
fields = {
"rule_name": _none_if_blank(row.get("rule_name")),
"target_id": target_id_val,
"stage": _none_if_blank(row.get("stage")),
"conditions_json": _none_if_blank(row.get("conditions_json")),
"logic": _none_if_blank(row.get("logic")),
"action": _none_if_blank(row.get("action")),
"priority": _to_int(row.get("priority")),
"enabled": _none_if_blank(row.get("enabled")),
"remark": _none_if_blank(row.get("remark")),
}
create_data = SelectionRuleCreateSchema(**fields)
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"批量导入选择规则失败: {e!s}")
raise CustomException(msg=f"导入失败: {e!s}")
@staticmethod
def import_template_download() -> bytes:
header_list = [
"规则名称",
"育种目标",
"适用阶段",
"条件(JSON)",
"逻辑关系",
"动作",
"优先级",
"是否启用",
"备注",
]
selector_header_list = ["逻辑关系", "动作", "是否启用"]
option_list = [
{"逻辑关系": ["and", "or"]},
{"动作": ["keep", "eliminate"]},
{"是否启用": ["1", "0"]},
]
return ExcelUtil.get_excel_template(
header_list=header_list,
selector_header_list=selector_header_list,
option_list=option_list,
)