Fix form selection and common form rendering

services/api-server/src/api_server/main.py

@@ -4748,12 +4748,20 @@ async def get_object_ui(project_id: str, object_name: str) -> ObjectUiResponse:
     snapshot, graph = _snapshot_and_graph(project_id)
     object_node = _find_graph_node(graph, object_name, _ACCESS_TARGET_KINDS)
     if object_node is None:
+        object_node = _find_graph_node(graph, object_name, {NodeKind.FORM})
+    if object_node is None:
+        common_form = _common_form_ui_from_source(project_id, object_name)
+        if common_form is not None:
+            return common_form
         raise HTTPException(status_code=404, detail=f"Object not found: {object_name}")
-    form_lineages = {
-        edge.target_lineage
-        for edge in graph.edges.values()
-        if edge.kind == EdgeKind.HAS_FORM and edge.source_lineage == object_node.lineage_id
-    }
+    if object_node.kind == NodeKind.FORM:
+        form_lineages = {object_node.lineage_id}
+    else:
+        form_lineages = {
+            edge.target_lineage
+            for edge in graph.edges.values()
+            if edge.kind == EdgeKind.HAS_FORM and edge.source_lineage == object_node.lineage_id
+        }
     return ObjectUiResponse(
         object=_named_node(object_node),
         forms=_hydrate_object_ui_forms_from_source(
@@ -7924,6 +7932,52 @@ def _hydrate_object_ui_forms_from_source(
     ]
 
 
+def _common_form_ui_from_source(project_id: str, object_name: str) -> ObjectUiResponse | None:
+    if not object_name.startswith("ОбщаяФорма."):
+        return None
+    source_root = _current_project_source_root(project_id)
+    if source_root is None:
+        return None
+    form_name = object_name.split(".", 1)[1]
+    form_file = _edt_form_file_for_object(source_root, object_name, form_name)
+    if form_file is None:
+        return None
+    try:
+        xml_objects = parse_one_c_xml_file(form_file)
+    except (OSError, UnicodeDecodeError, ET.ParseError):
+        return None
+    form_object = next((item for item in xml_objects if item.object_kind == "FORM"), None)
+    if form_object is None:
+        return None
+    source_path = form_file.as_posix()
+    form_node = NamedNode(
+        lineage_id=make_lineage_id(
+            NodeKind.FORM.value,
+            f"{project_id}:{source_path}:FORM:{form_object.qualified_name}",
+        ),
+        kind=NodeKind.FORM.value,
+        name=form_object.name,
+        qualified_name=form_object.qualified_name,
+        attributes=form_object.attributes,
+    )
+    elements = [
+        NamedNode(
+            lineage_id=make_lineage_id(
+                NodeKind.FORM_ELEMENT.value,
+                f"{project_id}:{source_path}:ELEMENT:{item.qualified_name}",
+            ),
+            kind=NodeKind.FORM_ELEMENT.value,
+            name=item.name,
+            qualified_name=item.qualified_name,
+            attributes=item.attributes,
+        )
+        for item in xml_objects
+        if item.object_kind == "ELEMENT" and item.qualified_name.startswith(f"{form_node.qualified_name}.")
+    ]
+    form = FormSemanticsResponse(form=form_node, commands=[], elements=elements, command_handlers={})
+    return ObjectUiResponse(object=form_node, forms=[form])
+
+
 def _hydrate_form_elements_from_source(
     project_id: str,
     source_root: Path,