feat: add endpoint to retrieve embedding model for knowledge base

apps/knowledge/urls.py

@@ -8,6 +8,7 @@ urlpatterns = [
     path('workspace/<str:workspace_id>/knowledge/base', views.KnowledgeBaseView.as_view()),
     path('workspace/<str:workspace_id>/knowledge/web', views.KnowledgeWebView.as_view()),
     path('workspace/<str:workspace_id>/knowledge/model', views.KnowledgeView.Model.as_view()),
+    path('workspace/<str:workspace_id>/knowledge/embedding_model', views.KnowledgeView.EmbeddingModel.as_view()),
     path('workspace/<str:workspace_id>/knowledge/<str:knowledge_id>', views.KnowledgeView.Operate.as_view()),
     path('workspace/<str:workspace_id>/knowledge/<str:knowledge_id>/sync', views.KnowledgeView.SyncWeb.as_view()),
     path('workspace/<str:workspace_id>/knowledge/<str:knowledge_id>/generate_related', views.KnowledgeView.GenerateRelated.as_view()),

apps/knowledge/views/knowledge.py

@@ -222,6 +222,27 @@ class KnowledgeView(APIView):
                 }
             ).list(workspace_id, True))
 
+    class EmbeddingModel(APIView):
+        authentication_classes = [TokenAuth]
+
+        @extend_schema(
+            methods=['GET'],
+            summary=_('Get embedding model for knowledge base'),
+            description=_('Get embedding model for knowledge base'),
+            operation_id=_('Get embedding model for knowledge base'),  # type: ignore
+            parameters=GetModelAPI.get_parameters(),
+            responses=GetModelAPI.get_response(),
+            tags=[_('Knowledge Base')]  # type: ignore
+        )
+        @has_permissions(PermissionConstants.KNOWLEDGE_EDIT.get_workspace_permission())
+        def get(self, request: Request, workspace_id: str):
+            return result.success(ModelSerializer.Query(
+                data={
+                    'workspace_id': workspace_id,
+                    'model_type': 'EMBEDDING'
+                }
+            ).list(workspace_id, True))
+
 
 class KnowledgeBaseView(APIView):
     authentication_classes = [TokenAuth]