324 lines
12 KiB
Python
324 lines
12 KiB
Python
from __future__ import annotations
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import logging
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from typing import Dict, List, Optional
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from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, UploadFile
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from pydantic import ValidationError
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from ..database import get_db
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from ..models import (
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AuthUserORM,
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PairingNetworkEdgeORM,
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PairingNetworkRunORM,
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PairingRequest,
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PairingResponse,
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PsRequest,
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RadarData,
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TimeseriesStackPlan,
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TimeseriesStackPlanDetail,
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TimeseriesStackPlanEdge,
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TimeseriesStackPlanEdgeORM,
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TimeseriesStackPlanItem,
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TimeseriesStackPlanItemORM,
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TimeseriesStackPlanORM,
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)
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from ..services.pairing_cache_service import pairing_cache_service
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from ..services.spatial_service import spatial_service
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from .dependencies import (
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_parse_aoi_from_files,
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_parse_aoi_geojson_form_value,
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_require_admin,
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)
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logger = logging.getLogger(__name__)
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router = APIRouter()
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def get_pairing_request_from_form(
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time_baseline_min: int = Form(1),
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time_baseline_max: int = Form(90),
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overlap_threshold: float = Form(0.5),
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spatial_baseline_max_meters: int = Form(3000),
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limit_footprint_center_distance: bool = Form(False),
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max_temporal_baseline_days: Optional[int] = Form(None),
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pair_footprint_overlap_min_ratio: Optional[float] = Form(None),
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footprint_center_distance_max_meters: Optional[int] = Form(None),
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coverage_diversity_penalty: float = Form(0.3),
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require_same_imaging_mode: bool = Form(True),
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require_same_polarization: bool = Form(True),
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aoi_overlap_threshold: Optional[float] = Form(None),
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start_date: Optional[str] = Form(None),
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# === 新增参数 ===
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master_date_from: Optional[str] = Form(None),
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master_date_to: Optional[str] = Form(None),
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slave_date_from: Optional[str] = Form(None),
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slave_date_to: Optional[str] = Form(None),
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strategy: str = Form("all"),
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num_connections: int = Form(1),
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reference_image_id: Optional[int] = Form(None),
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allowed_satellites: Optional[str] = Form(None), # JSON string
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cross_satellite_pairing: bool = Form(False),
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) -> PairingRequest:
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# Parse allowed_satellites from JSON string
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satellites_list = None
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if allowed_satellites:
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try:
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import json
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satellites_list = json.loads(allowed_satellites)
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except Exception:
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satellites_list = None
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try:
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return PairingRequest(
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time_baseline_min=time_baseline_min,
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time_baseline_max=time_baseline_max,
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overlap_threshold=overlap_threshold,
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spatial_baseline_max_meters=spatial_baseline_max_meters,
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limit_footprint_center_distance=limit_footprint_center_distance,
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max_temporal_baseline_days=max_temporal_baseline_days,
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pair_footprint_overlap_min_ratio=pair_footprint_overlap_min_ratio,
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footprint_center_distance_max_meters=footprint_center_distance_max_meters,
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coverage_diversity_penalty=coverage_diversity_penalty,
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require_same_imaging_mode=require_same_imaging_mode,
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require_same_polarization=require_same_polarization,
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aoi_overlap_threshold=aoi_overlap_threshold,
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start_date=start_date,
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master_date_from=master_date_from,
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master_date_to=master_date_to,
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slave_date_from=slave_date_from,
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slave_date_to=slave_date_to,
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strategy=strategy,
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num_connections=num_connections,
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reference_image_id=reference_image_id,
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allowed_satellites=satellites_list,
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cross_satellite_pairing=cross_satellite_pairing,
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)
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except ValidationError as exc:
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raise HTTPException(status_code=422, detail=exc.errors()) from exc
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def get_ps_request_from_form(
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initial_overlap_threshold: float = Form(0.3),
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final_overlap_threshold: float = Form(0.95),
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time_baseline_min: int = Form(1),
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time_baseline_max: int = Form(90),
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spatial_baseline_max_meters: int = Form(3000),
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network_overlap_threshold: float = Form(0.5),
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num_connections: int = Form(1),
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) -> PsRequest:
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return PsRequest(
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initial_overlap_threshold=initial_overlap_threshold,
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final_overlap_threshold=final_overlap_threshold,
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time_baseline_min=time_baseline_min,
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time_baseline_max=time_baseline_max,
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spatial_baseline_max_meters=spatial_baseline_max_meters,
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network_overlap_threshold=network_overlap_threshold,
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num_connections=num_connections,
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)
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@router.get("/pairing/health")
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async def get_pairing_health_endpoint(
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db: AsyncSession = Depends(get_db),
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current_user: AuthUserORM = Depends(_require_admin),
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):
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_ = current_user
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return await pairing_cache_service.get_admin_summary(db)
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@router.post("/pairing/rebuild-cache")
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async def rebuild_pairing_cache_endpoint(
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db: AsyncSession = Depends(get_db),
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current_user: AuthUserORM = Depends(_require_admin),
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):
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_ = current_user
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return await pairing_cache_service.rebuild_metric_cache(db, commit=True)
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@router.post("/pairing/reconcile-dirty")
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async def reconcile_dirty_pairing_endpoint(
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force_full: bool = Query(False),
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db: AsyncSession = Depends(get_db),
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current_user: AuthUserORM = Depends(_require_admin),
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):
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_ = current_user
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return await pairing_cache_service.reconcile_dirty_scenes(
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db,
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force_full=force_full,
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commit=True,
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)
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@router.get("/pairing/networks/{network_run_id}")
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async def get_pairing_network_run_endpoint(
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network_run_id: str,
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db: AsyncSession = Depends(get_db),
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current_user: AuthUserORM = Depends(_require_admin),
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):
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_ = current_user
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run_result = await db.execute(
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select(PairingNetworkRunORM).where(PairingNetworkRunORM.network_run_id == network_run_id)
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)
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run = run_result.scalar_one_or_none()
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if run is None:
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raise HTTPException(status_code=404, detail="Pairing network run not found.")
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edge_result = await db.execute(
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select(PairingNetworkEdgeORM)
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.where(PairingNetworkEdgeORM.network_run_ref_id == run.id)
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.order_by(PairingNetworkEdgeORM.edge_rank.asc(), PairingNetworkEdgeORM.id.asc())
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)
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edges = edge_result.scalars().all()
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return {
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"network_run_id": run.network_run_id,
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"strategy": run.strategy,
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"policy_version": run.policy_version,
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"request_hash": run.request_hash,
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"request_params_json": run.request_params_json,
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"aoi_source": run.aoi_source,
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"aoi_hash": run.aoi_hash,
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"aoi_summary_json": run.aoi_summary_json,
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"candidate_count": int(run.candidate_count or 0),
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"selected_edge_count": int(run.selected_edge_count or 0),
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"warning_count": int(run.warning_count or 0),
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"status": run.status,
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"fallback_used": bool(run.fallback_used),
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"created_by": run.created_by,
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"created_at": run.created_at,
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"updated_at": run.updated_at,
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"edges": [
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{
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"id": edge.id,
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"metric_cache_ref_id": edge.metric_cache_ref_id,
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"edge_rank": int(edge.edge_rank or 0),
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"selection_reason": edge.selection_reason,
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"selection_score": edge.selection_score,
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"selection_meta_json": edge.selection_meta_json,
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"is_reference_edge": bool(edge.is_reference_edge),
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"created_at": edge.created_at,
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}
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for edge in edges
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],
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}
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@router.get("/timeseries-plans/{plan_id}", response_model=TimeseriesStackPlanDetail)
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async def get_timeseries_stack_plan_endpoint(
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plan_id: str,
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db: AsyncSession = Depends(get_db),
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current_user: AuthUserORM = Depends(_require_admin),
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):
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_ = current_user
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normalized_plan_id = str(plan_id or "").strip()
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if not normalized_plan_id:
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raise HTTPException(status_code=400, detail="plan_id is required.")
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plan_result = await db.execute(
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select(TimeseriesStackPlanORM).where(TimeseriesStackPlanORM.plan_id == normalized_plan_id)
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)
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plan = plan_result.scalar_one_or_none()
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if plan is None:
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raise HTTPException(status_code=404, detail="Timeseries stack plan not found.")
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items_result = await db.execute(
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select(TimeseriesStackPlanItemORM)
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.where(TimeseriesStackPlanItemORM.plan_ref_id == plan.id)
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.order_by(TimeseriesStackPlanItemORM.scene_rank.asc(), TimeseriesStackPlanItemORM.id.asc())
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)
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edges_result = await db.execute(
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select(TimeseriesStackPlanEdgeORM)
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.where(TimeseriesStackPlanEdgeORM.plan_ref_id == plan.id)
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.order_by(TimeseriesStackPlanEdgeORM.edge_rank.asc(), TimeseriesStackPlanEdgeORM.id.asc())
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)
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payload = TimeseriesStackPlan.model_validate(plan).model_dump()
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payload["items"] = [
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TimeseriesStackPlanItem.model_validate(item)
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for item in items_result.scalars().all()
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]
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payload["edges"] = [
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TimeseriesStackPlanEdge.model_validate(edge)
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for edge in edges_result.scalars().all()
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]
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return TimeseriesStackPlanDetail.model_validate(payload)
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@router.post("/find-pairs", response_model=PairingResponse)
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async def find_pairs_endpoint(
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params: PairingRequest = Depends(get_pairing_request_from_form),
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files: Optional[List[UploadFile]] = File(None),
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aoi_geojson: Optional[str] = Form(None),
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require_orbit_data: bool = Form(True),
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db: AsyncSession = Depends(get_db)
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):
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"""
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根据参数查找干涉对，数据源为数据库。
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"""
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try:
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resolved_aoi = await _parse_aoi_from_files(files)
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if resolved_aoi is None:
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resolved_aoi = _parse_aoi_geojson_form_value(aoi_geojson)
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if files and resolved_aoi is None:
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raise HTTPException(status_code=400, detail="上传文件中必须包含 .shp 或 GeoJSON。")
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aoi_wkt = resolved_aoi[0] if resolved_aoi else None
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response_aoi_geojson = resolved_aoi[1] if resolved_aoi else None
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pairs, runtime_warnings, pairing_metadata = await spatial_service.find_dinsar_pairs(
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db,
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params,
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aoi_wkt=aoi_wkt,
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require_orbit_data=require_orbit_data,
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)
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return PairingResponse(
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pairs=pairs,
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aoi_geojson=response_aoi_geojson,
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warnings=runtime_warnings,
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fallback_used=bool(pairing_metadata.get("fallback_used")),
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degraded=bool(pairing_metadata.get("degraded")),
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policy_version=pairing_metadata.get("policy_version"),
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network_run_id=pairing_metadata.get("network_run_id"),
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candidate_count=int(pairing_metadata.get("candidate_count") or 0),
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selected_edge_count=int(pairing_metadata.get("selected_edge_count") or 0),
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)
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except Exception as e:
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if isinstance(e, HTTPException):
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raise e
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if isinstance(e, RuntimeError):
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raise HTTPException(status_code=409, detail=str(e))
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logger.exception("处理 AOI 或查找干涉对时发生错误")
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raise HTTPException(status_code=500, detail="处理 AOI 或查找干涉对时发生错误，请查看后端日志")
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@router.post("/find-ps-timeseries", response_model=Dict[str, List[RadarData]])
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async def find_ps_timeseries_endpoint(
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params: PsRequest = Depends(get_ps_request_from_form),
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files: Optional[List[UploadFile]] = File(None),
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aoi_geojson: Optional[str] = Form(None),
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db: AsyncSession = Depends(get_db),
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):
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"""
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为 PS-InSAR 查找时序影像栈。
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"""
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if not files and not aoi_geojson:
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raise HTTPException(status_code=400, detail="必须提供 AOI（SHP 或 GeoJSON）。")
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try:
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resolved_aoi = await _parse_aoi_from_files(files)
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if resolved_aoi is None:
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resolved_aoi = _parse_aoi_geojson_form_value(aoi_geojson)
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if resolved_aoi is None:
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raise HTTPException(status_code=400, detail="未解析到有效 AOI，请检查 SHP 或 GeoJSON。")
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aoi_wkt = resolved_aoi[0]
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ps_stacks = await spatial_service.find_ps_timeseries_data(db, params, aoi_wkt=aoi_wkt)
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return ps_stacks
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except Exception as e:
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if isinstance(e, HTTPException):
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raise e
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raise HTTPException(status_code=500, detail=f"处理 AOI 或查找时序影像时发生严重错误: {e}")
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