Check data before category

Change-Id: I7e523a08fcfd3f9ea322a399c71637f268cbb38e
Signed-off-by: ReemMahmoud <rfawzy.ext@orange.com>

3 files changed, 55 insertions, 2 deletions

diff --git a/python_moonutilities/Changelog b/python_moonutilities/Changelog
index e6ab2f6e..61225b2b 100644
--- a/python_moonutilities/Changelog
+++ b/python_moonutilities/Changelog
@@ -89,4 +89,8 @@ CHANGES
 
 1.4.8
 -----
-- Add SubjectScopeExisting, ObjectScopeExisting, ActionScopeExisting exceptions
\ No newline at end of file
+- Add SubjectScopeExisting, ObjectScopeExisting, ActionScopeExisting exceptions
+
+1.4.9
+-----
+- Add some exceptions when deletion of elements is impossible
diff --git a/python_moonutilities/python_moonutilities/__init__.py b/python_moonutilities/python_moonutilities/__init__.py
index cabb4c52..d313ecc3 100644
--- a/python_moonutilities/python_moonutilities/__init__.py
+++ b/python_moonutilities/python_moonutilities/__init__.py
@@ -3,6 +3,6 @@
 # license which can be found in the file 'LICENSE' in this package distribution
 # or at 'http://www.apache.org/licenses/LICENSE-2.0'.
 
-__version__ = "1.4.8"
+__version__ = "1.4.9"
 
 
diff --git a/python_moonutilities/python_moonutilities/exceptions.py b/python_moonutilities/python_moonutilities/exceptions.py
index f1dcd31e..bb2d35b7 100644
--- a/python_moonutilities/python_moonutilities/exceptions.py
+++ b/python_moonutilities/python_moonutilities/exceptions.py
@@ -651,3 +651,52 @@ class PolicyExisting(MoonError):
     code = 409
     title = 'Policy Error'
     logger = "Error"
+
+
+class DeleteData(MoonError):
+    description = _("Cannot delete data with assignment")
+    code = 400
+    title = 'Data Error'
+    logger = "Error"
+
+
+class DeleteCategoryWithData(MoonError):
+    description = _("Cannot delete category with data")
+    code = 400
+    title = 'Category Error'
+    logger = "Error"
+
+
+class DeleteCategoryWithMetaRule(MoonError):
+    description = _("Cannot delete category with meta rule")
+    code = 400
+    title = 'Category Error'
+    logger = "Error"
+
+
+class DeleteCategoryWithData(MoonError):
+    description = _("Cannot delete category with data")
+    code = 400
+    title = 'Category Error'
+    logger = "Error"
+
+
+class DeleteModelWithPolicy(MoonError):
+    description = _("Cannot delete model with policy")
+    code = 400
+    title = 'Model Error'
+    logger = "Error"
+
+
+class DeletePolicyWithPdp(MoonError):
+    description = _("Cannot delete policy with pdp")
+    code = 400
+    title = 'Policy Error'
+    logger = "Error"
+
+
+class DeleteMetaRuleWithModel(MoonError):
+    description = _("Cannot delete meta rule with model")
+    code = 400
+    title = 'Meta rule Error'
+    logger = "Error"