245 lines
7.6 KiB
Python
245 lines
7.6 KiB
Python
import logging
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from typing import Any
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from urllib.parse import quote
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from fastapi import APIRouter, Depends, HTTPException, Query, status
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from fastapi.responses import StreamingResponse
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from starlette.concurrency import run_in_threadpool
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from app.algorithms.sensor import (
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pressure_sensor_placement_kmeans,
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pressure_sensor_placement_sensitivity,
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)
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from app.auth.metadata_dependencies import get_current_metadata_user
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from app.auth.project_dependencies import ProjectContext, get_project_context
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from app.domain.schemas.sensor_placement import (
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SensorPlacementExportRequest,
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SensorPlacementOptimizeRequest,
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SensorPlacementSchemeResponse,
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SensorPlacementUpdateRequest,
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)
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from app.services.sensor_placement import (
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SensorPlacementConflictError,
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SensorPlacementNotFoundError,
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SensorPlacementValidationError,
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build_sensor_placement_workbook,
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can_edit_sensor_placement,
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get_sensor_placement_scheme,
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update_sensor_placement_scheme,
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)
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router = APIRouter()
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logger = logging.getLogger(__name__)
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def _project_network(network: str, project_context: ProjectContext) -> str:
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if network != project_context.project_code:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="请求的管网不属于当前项目",
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)
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return project_context.project_code
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def _can_modify_project(project_context: ProjectContext) -> bool:
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return project_context.project_role == "member"
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def _require_project_write(
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project_context: ProjectContext,
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) -> None:
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if not _can_modify_project(project_context):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="当前项目角色为只读，不能修改监测点方案",
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)
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def _service_http_error(exc: Exception) -> HTTPException:
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if isinstance(exc, SensorPlacementNotFoundError):
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return HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=str(exc),
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)
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if isinstance(exc, SensorPlacementConflictError):
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return HTTPException(
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status_code=status.HTTP_409_CONFLICT,
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detail=str(exc),
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)
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return HTTPException(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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detail=str(exc),
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)
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def _get_scheme_response(
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network: str,
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scheme_id: int,
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current_user: Any,
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project_context: ProjectContext,
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) -> dict[str, Any]:
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try:
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scheme = get_sensor_placement_scheme(network, scheme_id)
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return {
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**scheme,
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"can_edit": (
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_can_modify_project(project_context)
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and can_edit_sensor_placement(current_user, scheme)
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),
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}
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except (
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SensorPlacementNotFoundError,
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SensorPlacementValidationError,
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) as exc:
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raise _service_http_error(exc) from exc
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@router.post(
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"/sensor-placement-schemes/optimize",
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response_model=SensorPlacementSchemeResponse,
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summary="创建并返回监测点优化方案",
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)
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async def optimize_sensor_placement_scheme(
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payload: SensorPlacementOptimizeRequest,
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project_context: ProjectContext = Depends(get_project_context),
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current_user=Depends(get_current_metadata_user),
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) -> dict[str, Any]:
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network = _project_network(payload.network, project_context)
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_require_project_write(project_context)
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optimizer = (
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pressure_sensor_placement_sensitivity
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if payload.method == "sensitivity"
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else pressure_sensor_placement_kmeans
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)
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try:
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created = await run_in_threadpool(
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optimizer,
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name=network,
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scheme_name=payload.scheme_name,
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sensor_number=payload.sensor_count,
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min_diameter=payload.min_diameter,
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username=current_user.username,
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)
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scheme = get_sensor_placement_scheme(network, int(created["id"]))
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return {**scheme, "can_edit": True}
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except (
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SensorPlacementConflictError,
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SensorPlacementValidationError,
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ValueError,
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) as exc:
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raise _service_http_error(exc) from exc
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except Exception as exc:
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logger.exception("Sensor placement optimization failed")
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raise HTTPException(
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status_code=500,
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detail="监测点优化失败，请稍后重试",
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) from exc
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@router.get(
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"/sensor-placement-schemes/{scheme_id}",
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response_model=SensorPlacementSchemeResponse,
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summary="获取监测点方案详情",
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)
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async def get_sensor_placement_scheme_detail(
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scheme_id: int,
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network: str = Query(..., min_length=1),
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project_context: ProjectContext = Depends(get_project_context),
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current_user=Depends(get_current_metadata_user),
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) -> dict[str, Any]:
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return _get_scheme_response(
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_project_network(network, project_context),
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scheme_id,
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current_user,
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project_context,
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)
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@router.put(
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"/sensor-placement-schemes/{scheme_id}",
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response_model=SensorPlacementSchemeResponse,
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summary="覆盖保存监测点方案",
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)
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async def overwrite_sensor_placement_scheme(
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scheme_id: int,
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payload: SensorPlacementUpdateRequest,
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network: str = Query(..., min_length=1),
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project_context: ProjectContext = Depends(get_project_context),
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current_user=Depends(get_current_metadata_user),
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) -> dict[str, Any]:
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network = _project_network(network, project_context)
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_require_project_write(project_context)
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scheme = _get_scheme_response(
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network,
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scheme_id,
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current_user,
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project_context,
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)
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if not scheme["can_edit"]:
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raise HTTPException(status_code=403, detail="无权修改该监测点方案")
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try:
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updated = update_sensor_placement_scheme(
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network,
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scheme_id,
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expected_sensor_location=payload.expected_sensor_location,
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sensor_location=payload.sensor_location,
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)
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return {**updated, "can_edit": True}
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except (
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SensorPlacementConflictError,
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SensorPlacementNotFoundError,
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SensorPlacementValidationError,
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) as exc:
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raise _service_http_error(exc) from exc
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@router.post(
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"/sensor-placement-schemes/{scheme_id}/exports/excel",
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summary="导出监测点工程清单",
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)
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async def export_sensor_placement_excel(
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scheme_id: int,
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payload: SensorPlacementExportRequest,
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network: str = Query(..., min_length=1),
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project_context: ProjectContext = Depends(get_project_context),
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current_user=Depends(get_current_metadata_user),
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) -> StreamingResponse:
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network = _project_network(network, project_context)
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scheme = _get_scheme_response(
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network,
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scheme_id,
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current_user,
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project_context,
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)
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if (
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payload.sensor_location != scheme["sensor_location"]
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and not scheme["can_edit"]
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):
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raise HTTPException(status_code=403, detail="无权导出该方案的未保存草稿")
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try:
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workbook = await run_in_threadpool(
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build_sensor_placement_workbook,
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network=network,
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scheme=scheme,
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sensor_location=payload.sensor_location,
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adjustment_status=payload.adjustment_status,
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)
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except SensorPlacementValidationError as exc:
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raise _service_http_error(exc) from exc
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filename = f"{scheme['scheme_name']}_监测点清单.xlsx"
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encoded_filename = quote(filename)
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return StreamingResponse(
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workbook,
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media_type=(
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"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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),
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headers={
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"Content-Disposition": (
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f"attachment; filename*=UTF-8''{encoded_filename}"
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)
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},
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)
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