Merge PR #1083: implement solid shell workflow

src/app/control/mod.rs

@@ -982,7 +982,7 @@ impl OpenCADStudio {
                     "area":planar.curve.is_closed().then(|| planar.curve.enclosed_area().abs())
                 })
             });
-            out.push(json!({"handle":format!("{:X}",handle.value()),"type":crate::entities::names::ui_name(entity),"bounds":{"min":[bb.min.x,bb.min.y,bb.min.z],"max":[bb.max.x,bb.max.y,bb.max.z]},"curve":curve,"mesh":metrics.map(|m|json!({"vertices":m.metrics.vertices,"triangles":m.metrics.triangles,"surface_area":m.metrics.surface_area,"volume":m.metrics.volume,"centroid":m.metrics.centroid}))}));
+            out.push(json!({"handle":format!("{:X}",handle.value()),"type":crate::entities::names::ui_name(entity),"bounds":{"min":[bb.min.x,bb.min.y,bb.min.z],"max":[bb.max.x,bb.max.y,bb.max.z]},"curve":curve,"mesh":metrics.map(|m|json!({"vertices":m.metrics.vertices,"triangles":m.metrics.triangles,"surface_area":m.metrics.surface_area,"volume":m.metrics.volume,"centroid":m.metrics.centroid,"moment_of_inertia":m.metrics.moment_of_inertia,"principal_directions":m.metrics.principal_directions,"principal_moments":m.metrics.principal_moments,"product_of_inertia":m.metrics.product_of_inertia,"radii_of_gyration":m.metrics.radii_of_gyration}))}));
         }
         json!({"ok":true,"document_id":tab.id,"geometry_revision":tab.scene.geometry_epoch,"measurements":out})
     }
@@ -1222,6 +1222,92 @@ mod tests {
         assert!((curve["length"].as_f64().unwrap() - std::f64::consts::TAU * 2.0).abs() < 1e-9);
         assert!((curve["area"].as_f64().unwrap() - std::f64::consts::PI * 4.0).abs() < 1e-9);
     }
+
+    #[test]
+    fn control_shell_roundtrips_with_kernel_mass_properties() {
+        let mut app = OpenCADStudio::new_for_test();
+        request(&mut app, json!({"op":"new"}));
+        request(&mut app, json!({"op":"start","cmd":"BOX"}));
+        request(
+            &mut app,
+            json!({"op":"input","kind":"point","point":[0.0,0.0,0.0]}),
+        );
+        request(
+            &mut app,
+            json!({"op":"input","kind":"point","point":[6.0,5.0,0.0]}),
+        );
+        assert_eq!(
+            request(&mut app, json!({"op":"input","kind":"token","text":"4"}))["status"],
+            "completed"
+        );
+        let handle = app.tabs[app.active_tab]
+            .scene
+            .document
+            .entities()
+            .find_map(|entity| {
+                matches!(entity, acadrust::EntityType::Solid3D(_)).then(|| entity.common().handle)
+            })
+            .unwrap();
+        let handle_text = format!("{:X}", handle.value());
+
+        request(&mut app, json!({"op":"select","handles":[handle_text]}));
+        request(&mut app, json!({"op":"start","cmd":"SHELL"}));
+        request(
+            &mut app,
+            json!({"op":"input","kind":"entity","handle":handle_text,"point":[3.0,2.5,4.0]}),
+        );
+        request(&mut app, json!({"op":"input","kind":"enter"}));
+        assert_eq!(
+            request(&mut app, json!({"op":"input","kind":"token","text":"0.5"}))["status"],
+            "completed"
+        );
+
+        let measured = app.control_measure(&json!({"handles":[handle_text]}));
+        let mesh = &measured["measurements"][0]["mesh"];
+        assert!((mesh["volume"].as_f64().unwrap() - 50.0).abs() < 1e-9);
+        assert_eq!(mesh["principal_moments"].as_array().unwrap().len(), 3);
+        assert!(matches!(
+            app.tabs[app.active_tab]
+                .scene
+                .document
+                .solid_history_operation(handle),
+            Some(acadrust::objects::SolidHistoryOperation::Brep(_))
+        ));
+
+        assert_eq!(request(&mut app, json!({"op":"undo"}))["ok"], true);
+        let restored = app.control_measure(&json!({"handles":[handle_text]}));
+        assert!(
+            (restored["measurements"][0]["mesh"]["volume"]
+                .as_f64()
+                .unwrap()
+                - 120.0)
+                .abs()
+                < 1e-9
+        );
+        assert_eq!(request(&mut app, json!({"op":"redo"}))["ok"], true);
+
+        let path = std::env::temp_dir().join(format!("ocs-shell-{}.dwg", session_id()));
+        assert_eq!(
+            request(&mut app, json!({"op":"save","path":path}))["ok"],
+            true
+        );
+        request(&mut app, json!({"op":"new"}));
+        assert_eq!(
+            request(&mut app, json!({"op":"open","path":path}))["status"],
+            "completed"
+        );
+        let reopened = app.control_measure(&json!({"handles":[handle_text]}));
+        assert!(
+            (reopened["measurements"][0]["mesh"]["volume"]
+                .as_f64()
+                .unwrap()
+                - 50.0)
+                .abs()
+                < 1e-9
+        );
+        let _ = std::fs::remove_file(path);
+    }
+
     #[test]
     fn control_retry_is_idempotent_and_stale_state_rejected() {
         let mut app = OpenCADStudio::new_for_test();