Add governed VMM flood hazard scenarios

backend/app/api/routes/datasets.py

@@ -24,6 +24,8 @@ from app.schemas import (
     OrthophotoAcquireRequest,
     DhmvAcquireRequest,
     TerrainSelectionRequest,
+    FloodHazardAcquireRequest,
+    FloodHazardSelectionRequest,
     VectorBBoxResponse,
     VectorBufferRequest,
     VectorClipRequest,
@@ -44,6 +46,8 @@ from app.services.dataset_service import DatasetService
 from app.services.orthophoto_acquisition_service import OrthophotoAcquisitionService
 from app.services.dhmv_acquisition_service import DhmvAcquisitionService
 from app.services.terrain_analysis_service import TerrainAnalysisService
+from app.services.flood_hazard_acquisition_service import FloodHazardAcquisitionService
+from app.services.flood_hazard_analysis_service import FloodHazardAnalysisService
 from app.utils.response import envelope
 
 router = APIRouter(prefix="/projects/{project_id}", tags=["datasets"])
@@ -179,6 +183,30 @@ def list_dhmv_products(project_id: UUID, db: Session = Depends(get_db)):
     return envelope({"items": items, "total": len(items)})
 
 
+@router.post("/datasets/flood-hazard/acquire", response_model=dict)
+def acquire_bounded_flood_hazard(
+    project_id: UUID,
+    payload: FloodHazardAcquireRequest,
+    db: Session = Depends(get_db),
+):
+    job = JobService.run_sync_job(
+        db=db,
+        project_id=project_id,
+        job_type="raster.flood_hazard.acquire",
+        parameters=payload.model_dump(mode="json"),
+        operation=lambda: FloodHazardAcquisitionService.acquire(db, project_id, payload),
+    )
+    return envelope(job)
+
+
+@router.get("/datasets/flood-hazard/products", response_model=dict)
+def list_flood_hazard_products(project_id: UUID, db: Session = Depends(get_db)):
+    if not db.get(Project, project_id):
+        raise AppError(code="PROJECT_NOT_FOUND", message="Project not found", status_code=404)
+    items = FloodHazardAcquisitionService.list_products()
+    return envelope({"items": items, "total": len(items)})
+
+
 @router.get("/datasets", response_model=dict)
 def list_datasets(
     project_id: UUID,
@@ -500,6 +528,30 @@ def raster_terrain_image(
     )
 
 
+@router.post("/datasets/{dataset_id}/raster/flood-hazard/select", response_model=dict)
+def raster_flood_hazard_selection(
+    project_id: UUID,
+    dataset_id: UUID,
+    payload: FloodHazardSelectionRequest,
+    db: Session = Depends(get_db),
+):
+    return envelope(FloodHazardAnalysisService.analyze(db, project_id, dataset_id, payload))
+
+
+@router.get("/datasets/{dataset_id}/raster/flood-hazard/image")
+def raster_flood_hazard_image(
+    project_id: UUID,
+    dataset_id: UUID,
+    db: Session = Depends(get_db),
+):
+    content = FloodHazardAnalysisService.render_png(db, project_id, dataset_id)
+    return Response(
+        content=content,
+        media_type="image/png",
+        headers={"Cache-Control": "private, max-age=86400"},
+    )
+
+
 @router.get("/datasets/{dataset_id}/raster/stats", response_model=dict)
 def raster_stats(
     project_id: UUID,