Looking for strategy
Looking for strategy
- Subject: Looking for strategy
- From: Markus Ruggiero <email@hidden>
- Date: Fri, 22 Jul 2016 15:43:20 +0200
Folks,
My app has some 50+ entities. About 2 third of them have data that is specfiic to a Region, the rest of the entities is Region agnostic.
Example:
Article toMany Descriptions
Article is Region agnostic but can have Region specific descriptions, thus Descriptions have an optional toOne to Region
Background: A user of the app is assigned a Region during login. He must be allowed to only see Region agnostic data or objects that are assigned to the current Region only.
What I want is a generic way to have something like the following SQL generated by the Frameworks:
select * from article where some_selection_criteria; -- no region reference
select * from description where some_selection_criteria (AND REGION_ID IS NULL OR REGION_ID = A_GIVEN_REGION_ID);
This must also function for queries like: select all articles that have description for region XYZ.
I am thinking along the following lines: attach some code deep in the framework to add such a restricting clause to where for every select for any region specific table.
How would I do this? Any better ideas?
Thanks a lot
---markus---
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