feat(attribute_values): attribute_metadata added to attribute_names blueprints for meshes

Author: MaxNumerique

src/opengeodeweb_back/routes/blueprint_routes.py

@@ -264,6 +264,28 @@ def texture_coordinates() -> flask.Response:
     return flask.make_response({"texture_coordinates": texture_coordinates}, 200)
 
 
+def attributes_metadata(manager: Any) -> dict[str, Any]:
+    metadata: dict[str, Any] = {}
+    for name in manager.attribute_names():
+        attribute = manager.find_generic_attribute(name)
+        if not attribute.is_genericable():
+            metadata[name] = [-1, -1]
+            continue
+        min_value = None
+        max_value = None
+        nb_items = attribute.nb_items()
+        for i in range(nb_items):
+            generic_value = attribute.generic_value(i)
+            if not isinstance(generic_value, (int, float)):
+                continue
+            if min_value is None or generic_value < min_value:
+                min_value = generic_value
+            if max_value is None or generic_value > max_value:
+                max_value = generic_value
+        metadata[name] = [min_value, max_value] if min_value is not None else [-1, -1]
+    return metadata
+
+
 @routes.route(
     schemas_dict["vertex_attribute_names"]["route"],
     methods=schemas_dict["vertex_attribute_names"]["methods"],
@@ -276,10 +298,11 @@ def vertex_attribute_names() -> flask.Response:
     geode_object = geode_functions.load_geode_object(params.id)
     if not isinstance(geode_object, GeodeMesh):
         flask.abort(400, f"{params.id} is not a GeodeMesh")
-    vertex_attribute_names = geode_object.vertex_attribute_manager().attribute_names()
+    attribute_manager = geode_object.vertex_attribute_manager()
     return flask.make_response(
         {
-            "vertex_attribute_names": vertex_attribute_names,
+            "vertex_attribute_names": attribute_manager.attribute_names(),
+            "vertex_attribute_metadata": attributes_metadata(attribute_manager),
         },
         200,
     )
@@ -297,10 +320,11 @@ def cell_attribute_names() -> flask.Response:
     geode_object = geode_functions.load_geode_object(params.id)
     if not isinstance(geode_object, GeodeGrid2D | GeodeGrid3D):
         flask.abort(400, f"{params.id} is not a GeodeGrid")
-    cell_attribute_names = geode_object.cell_attribute_manager().attribute_names()
+    attribute_manager = geode_object.cell_attribute_manager()
     return flask.make_response(
         {
-            "cell_attribute_names": cell_attribute_names,
+            "cell_attribute_names": attribute_manager.attribute_names(),
+            "cell_attribute_metadata": attributes_metadata(attribute_manager),
         },
         200,
     )
@@ -318,10 +342,11 @@ def polygon_attribute_names() -> flask.Response:
     geode_object = geode_functions.load_geode_object(params.id)
     if not isinstance(geode_object, GeodeSurfaceMesh2D | GeodeSurfaceMesh3D):
         flask.abort(400, f"{params.id} is not a GeodeSurfaceMesh")
-    polygon_attribute_names = geode_object.polygon_attribute_manager().attribute_names()
+    attribute_manager = geode_object.polygon_attribute_manager()
     return flask.make_response(
         {
-            "polygon_attribute_names": polygon_attribute_names,
+            "polygon_attribute_names": attribute_manager.attribute_names(),
+            "polygon_attribute_metadata": attributes_metadata(attribute_manager),
         },
         200,
     )
@@ -339,12 +364,11 @@ def polyhedron_attribute_names() -> flask.Response:
     geode_object = geode_functions.load_geode_object(params.id)
     if not isinstance(geode_object, GeodeSolidMesh3D):
         flask.abort(400, f"{params.id} is not a GeodeSolidMesh")
-    polyhedron_attribute_names = (
-        geode_object.polyhedron_attribute_manager().attribute_names()
-    )
+    attributemanager = geode_object.polyhedron_attribute_manager()
     return flask.make_response(
         {
-            "polyhedron_attribute_names": polyhedron_attribute_names,
+            "polyhedron_attribute_names": attributemanager.attribute_names(),
+            "polyhedron_attribute_metadata": attributes_metadata(attributemanager),
         },
         200,
     )
@@ -362,10 +386,11 @@ def edge_attribute_names() -> flask.Response:
     geode_object = geode_functions.load_geode_object(params.id)
     if not isinstance(geode_object, GeodeGraph):
         flask.abort(400, f"{params.id} does not have edges")
-    edge_attribute_names = geode_object.edge_attribute_manager().attribute_names()
+    attribute_manager = geode_object.edge_attribute_manager()
     return flask.make_response(
         {
-            "edge_attribute_names": edge_attribute_names,
+            "edge_attribute_names": attribute_manager.attribute_names(),
+            "edge_attribute_metadata": attributes_metadata(attribute_manager),
         },
         200,
     )

tests/test_routes.py

@@ -245,9 +245,12 @@ def test_vertex_attribute_names(client: FlaskClient, test_id: str) -> None:
     response = client.post(route, json={"id": data.id})
     assert response.status_code == 200
     vertex_attribute_names = response.get_json()["vertex_attribute_names"]
+    vertex_attribute_metadata = response.get_json()["vertex_attribute_metadata"]
     assert type(vertex_attribute_names) is list
+    assert type(vertex_attribute_metadata) is dict
     for vertex_attribute_name in vertex_attribute_names:
         assert type(vertex_attribute_name) is str
+        assert vertex_attribute_name in vertex_attribute_metadata
 
 
 def test_cell_attribute_names(client: FlaskClient, test_id: str) -> None:
@@ -271,9 +274,12 @@ def test_cell_attribute_names(client: FlaskClient, test_id: str) -> None:
     response = client.post(route, json={"id": data.id})
     assert response.status_code == 200
     cell_attribute_names = response.get_json()["cell_attribute_names"]
+    cell_attribute_metadata = response.get_json()["cell_attribute_metadata"]
     assert type(cell_attribute_names) is list
+    assert type(cell_attribute_metadata) is dict
     for cell_attribute_name in cell_attribute_names:
         assert type(cell_attribute_name) is str
+        assert cell_attribute_name in cell_attribute_metadata
 
 
 def test_polygon_attribute_names(client: FlaskClient, test_id: str) -> None:
@@ -297,9 +303,12 @@ def test_polygon_attribute_names(client: FlaskClient, test_id: str) -> None:
     response = client.post(route, json={"id": data.id})
     assert response.status_code == 200
     polygon_attribute_names = response.get_json()["polygon_attribute_names"]
+    polygon_attribute_metadata = response.get_json()["polygon_attribute_metadata"]
     assert type(polygon_attribute_names) is list
+    assert type(polygon_attribute_metadata) is dict
     for polygon_attribute_name in polygon_attribute_names:
         assert type(polygon_attribute_name) is str
+        assert polygon_attribute_name in polygon_attribute_metadata
 
 
 def test_polyhedron_attribute_names(client: FlaskClient, test_id: str) -> None:
@@ -324,9 +333,15 @@ def test_polyhedron_attribute_names(client: FlaskClient, test_id: str) -> None:
     print(response.get_json())
     assert response.status_code == 200
     polyhedron_attribute_names = response.get_json()["polyhedron_attribute_names"]
+    polyhedron_attribute_metadata = response.get_json()["polyhedron_attribute_metadata"]
     assert type(polyhedron_attribute_names) is list
+    assert type(polyhedron_attribute_metadata) is dict
     for polyhedron_attribute_name in polyhedron_attribute_names:
         assert type(polyhedron_attribute_name) is str
+        assert polyhedron_attribute_name in polyhedron_attribute_metadata
+
+    if "Range" in polyhedron_attribute_metadata:
+        assert polyhedron_attribute_metadata["Range"] == [0, 579]
 
 
 def test_edge_attribute_names(client: FlaskClient, test_id: str) -> None:
@@ -351,9 +366,12 @@ def test_edge_attribute_names(client: FlaskClient, test_id: str) -> None:
     print(response.get_json())
     assert response.status_code == 200
     edge_attribute_names = response.get_json()["edge_attribute_names"]
+    edge_attribute_metadata = response.get_json()["edge_attribute_metadata"]
     assert type(edge_attribute_names) is list
+    assert type(edge_attribute_metadata) is dict
     for edge_attribute_name in edge_attribute_names:
         assert type(edge_attribute_name) is str
+        assert edge_attribute_name in edge_attribute_metadata
 
 
 def test_database_uri_path(client: FlaskClient) -> None: