Hello odooers & developers,
Its odoo tips and tricks article, where I would like to share more knowledge about the Unlink() method odoo in Odoo 17
as an odoo developer, knowing the fundamentals of Unlink method in Odoo behaviour, its Syntax, and how we can use the o2m dynamic domain in Odoo is essential.
Explore Unlink() Method :-
The unlink method is a core method in Odoo's Object Relational Mapper (ORM) that allows you to delete records from the database. It's typically called when a user clicks a "Delete" button or performs an action that removes a record.
Use of Unlink() Method :-
The unlink method provides a powerful way to customize how records are deleted in your Odoo modules.
Implement State-Based Deletion: As demonstrated in the example, you can use the unlink method to restrict record deletion based on specific field values
Perform Pre-Deletion Tasks: You can use the loop within the unlink method to perform any necessary cleanup tasks before the record is deleted.
Handle Cascading Deletions: If deleting a record should also trigger the deletion of related records, you can implement cascading deletion logic within the unlink method.
Unlink() Method usage and Syntax:-
.py
def unlink(self):
for rec in self:
if rec.state not in ['draft', 'cancelled']:
raise ValidationError(_('''Only 'Draft' and 'Cancelled' Appointments can be deleted !'''))return super(SpalonAppointment, self).unlink()
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Unlink() method odoo