genericparser seed code

[modeling/etsicatalog.git] / genericparser / packages / views / common.py

diff --git a/genericparser/packages/views/common.py b/genericparser/packages/views/common.py
new file mode 100644 (file)
index 0000000..70637a9
--- /dev/null
+++ b/genericparser/packages/views/common.py
@@ -0,0 +1,95 @@
+# Copyright 2018 ZTE Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import traceback
+import logging
+
+from rest_framework import status
+from rest_framework.response import Response
+
+from genericparser.pub.exceptions import GenericparserException
+from genericparser.pub.exceptions import NsdmBadRequestException
+from genericparser.pub.exceptions import PackageNotFoundException
+from genericparser.pub.exceptions import ResourceNotFoundException
+from genericparser.pub.exceptions import ArtifactNotFoundException
+
+logger = logging.getLogger(__name__)
+
+
+def validate_data(data, serializer):
+    serialized_data = serializer(data=data)
+    if not serialized_data.is_valid():
+        logger.error('Data validation failed.')
+        raise GenericparserException(serialized_data.errors)
+    return serialized_data
+
+
+def fmt_error_rsp(error_message, status):
+    return {"errorMessage": error_message, "error": status}
+
+
+def make_error_resp(status, detail):
+    return Response(
+        data={
+            'status': status,
+            'detail': detail
+        },
+        status=status
+    )
+
+
+def view_safe_call_with_log(logger):
+    def view_safe_call(func):
+        def wrapper(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except PackageNotFoundException as e:
+                logger.error(e.message)
+                return make_error_resp(
+                    detail=e.message,
+                    status=status.HTTP_404_NOT_FOUND
+                )
+            except ResourceNotFoundException as e:
+                logger.error(e.message)
+                return make_error_resp(
+                    detail=e.message,
+                    status=status.HTTP_404_NOT_FOUND
+                )
+            except ArtifactNotFoundException as e:
+                logger.error(e.message)
+                return make_error_resp(
+                    detail=e.message,
+                    status=status.HTTP_404_NOT_FOUND
+                )
+            except NsdmBadRequestException as e:
+                logger.error(e.message)
+                return make_error_resp(
+                    detail=e.message,
+                    status=status.HTTP_400_BAD_REQUEST
+                )
+            except GenericparserException as e:
+                logger.error(e.message)
+                return make_error_resp(
+                    detail=e.message,
+                    status=status.HTTP_500_INTERNAL_SERVER_ERROR
+                )
+            except Exception as e:
+                logger.error(e.message)
+                logger.error(traceback.format_exc())
+                return make_error_resp(
+                    detail='Unexpected exception',
+                    status=status.HTTP_500_INTERNAL_SERVER_ERROR
+                )
+        return wrapper
+    return view_safe_call