Nested

, _(*1)

Adjacency List (parentId column) for Harp ORM, _(*2)

Usage

Add the Trait to your Model, _(*3)

// Model Class
use Harp\Nested\NestedTrait;

class Category extends AbstractModel
{
    use NestedTrait;

    public static function initialize($config)
    {
        NestedTrait::initialize($config);

        // Other initializations
        // ...
    }
}

Database Table:, _(*4)

┌─────────────────────────┐
│ Table: Category         │
├─────────────┬───────────┤
│ id          │ ingeter   │
│ name        │ string    │
│ parentId*   │ integer   │
└─────────────┴───────────┘
* Required fields

Methods

It will add "parent" and "children" Rels to the repo. The model will get the convenience methods:, _(*5)

Method	Description
getParent()	Return the parent model
setParent(AbstractModel $parent)	Set the parent model
getChildren()	Get immidiate children. Returns a Models object
isRoot()	Boolean check if it is root (has parent) or not
getParents()	Return all the parents, including root. Models object