Security - Groups and access rights in odoo Security access in Odoo is configured through security groups: permissions are given to groups and then groups are assigned to users. Odoo has a lot of groups. Once you know about groups, you can select groups from the list of groups.
Security is a major concern when an application is considered. We can control what the user can do and what users can't-do on a different level. Control independently each of the four basic operations: read, write, create, and unlink. I.e. allow only read, allow only create, grant permission to create or delete only. Also, we can hide fields or menus for some users and show them for others, make fields read-only for some users and make them editable for others. We use groups to control users.
Aside from manually managing access using custom code, Odoo provides two main data-driven mechanisms to manage or restrict access to data.
Each access control has a model to which it grants permissions, the permissions it grants and optionally a group.
If no group is specified, the access control applies to all users, otherwise, it only applies to the members of the given group.
In Odoo, views and menus are restricted to a user due to access right permission. Only admin has the right to view all records. Access right permission is managed by creating an ir.model.access.csv file.
This file can
a) Grant permission like reading, write, update, and delete to a model.
b) Can assign groups. If no group is assigned access right is applicable for all users. Else applicable only for users in that particular group
Available permissions are creation (perm_create), searching and reading (perm_read), updating existing records (perm_write) and deleting existing records (perm_unlink)
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