django_treebeard_materialized_path_category_model_with_node_operations.py

1from django.db import models
2from treebeard.mp_tree import MP_Node
3
4class Category(MP_Node):
5    name = models.CharField(max_length=30)
6    description = models.TextField()
7
8    node_order_by = ['name']
9
10    def __str__(self):
11        return 'Category: {}'.format(self.name)
12
13# Usage examples:
14# 1. Create a root node
15# root = Category.add_root(name='Computers', description='All computer hardware')
16
17# 2. Add a child to the root
18# root.add_child(name='Laptops', description='Portable computers')
19
20# 3. Get all descendants of a node
21# descendants = root.get_descendants()