feat: extract workflow bbox services phase 3

backend/tests/domains/test_workflow_runtime_services.py

@@ -17,6 +17,7 @@ from app.domains.products.models import CadFile, Product
 from app.domains.rendering.models import OutputType, RenderTemplate
 from app.domains.rendering.workflow_runtime_services import (
     auto_populate_materials_for_cad,
+    resolve_cad_bbox,
     prepare_order_line_render_context,
     resolve_order_line_material_map,
     resolve_order_line_template_context,
@@ -365,3 +366,68 @@ def test_auto_populate_materials_for_cad_skips_when_materials_already_present(sy
         {"part_name": "InnerRing", "material": "Steel raw"},
         {"part_name": "OuterRing", "material": "Steel raw"},
     ]
+
+
+def test_resolve_cad_bbox_prefers_glb_over_step(monkeypatch):
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_glb",
+        lambda path: {
+            "dimensions_mm": {"x": 10.0, "y": 20.0, "z": 30.0},
+            "bbox_center_mm": {"x": 1.0, "y": 2.0, "z": 3.0},
+        },
+    )
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_step_cadquery",
+        lambda path: {
+            "dimensions_mm": {"x": 100.0, "y": 200.0, "z": 300.0},
+            "bbox_center_mm": {"x": 10.0, "y": 20.0, "z": 30.0},
+        },
+    )
+
+    result = resolve_cad_bbox("/tmp/model.step", glb_path="/tmp/model_thumbnail.glb")
+
+    assert result.source_kind == "glb"
+    assert result.bbox_data == {
+        "dimensions_mm": {"x": 10.0, "y": 20.0, "z": 30.0},
+        "bbox_center_mm": {"x": 1.0, "y": 2.0, "z": 3.0},
+    }
+
+
+def test_resolve_cad_bbox_falls_back_to_step(monkeypatch):
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_glb",
+        lambda path: None,
+    )
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_step_cadquery",
+        lambda path: {
+            "dimensions_mm": {"x": 100.0, "y": 200.0, "z": 300.0},
+            "bbox_center_mm": {"x": 10.0, "y": 20.0, "z": 30.0},
+        },
+    )
+
+    result = resolve_cad_bbox("/tmp/model.step", glb_path="/tmp/model_thumbnail.glb")
+
+    assert result.source_kind == "step"
+    assert result.bbox_data == {
+        "dimensions_mm": {"x": 100.0, "y": 200.0, "z": 300.0},
+        "bbox_center_mm": {"x": 10.0, "y": 20.0, "z": 30.0},
+    }
+
+
+def test_extract_metadata_bbox_wrappers_delegate_to_runtime_services(monkeypatch):
+    from app.domains.pipeline.tasks.extract_metadata import _bbox_from_glb, _bbox_from_step_cadquery
+
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_glb",
+        lambda path: {"dimensions_mm": {"x": 1.0, "y": 2.0, "z": 3.0}},
+    )
+    monkeypatch.setattr(
+        "app.domains.rendering.workflow_runtime_services.extract_bbox_from_step_cadquery",
+        lambda path: {"dimensions_mm": {"x": 4.0, "y": 5.0, "z": 6.0}},
+    )
+
+    assert _bbox_from_glb("/tmp/a.glb") == {"dimensions_mm": {"x": 1.0, "y": 2.0, "z": 3.0}}
+    assert _bbox_from_step_cadquery("/tmp/a.step") == {
+        "dimensions_mm": {"x": 4.0, "y": 5.0, "z": 6.0}
+    }