prestashop Undefined property: Doctors::$associations

[Abo Anas]

I'm trying to make admin controller for table that will have many to many relationship the solution i found was using assosiation on my object model but i got error Notice: Undefined property: Doctors::$associations the model is

require_once _PS_ROOT_DIR_.'/modules/tender/override/Hospitals.php';
class Doctors extends ObjectModel{
    //put your code here
    public $id;
    public $name;
    public $odoo_id;
    public $create_time;
    public $update_time;
    public $create_user_id;
    public $update_user_id;

    public static $definition=[
      'table'=>'tender_doctor',
        'primary'=>'id',
        'fields'=>[
            'name'=>['type'=>self::TYPE_STRING,'validation'=>'isAnything','required'=>true],
            'odoo_id'=>['type'=>self::TYPE_STRING,'validation'=>'isAnything','required'=>true],
            'create_user_id'=>['type'=>self::TYPE_INT,'validation'=>'isAnything','required'=>false],
            'update_user_id'=>['type'=>self::TYPE_INT,'validation'=>'isAnything','required'=>false],
            'create_time'=>['type'=>self::TYPE_DATE,'validation'=>'isAnything','required'=>false],
            'update_time'=>['type'=>self::TYPE_DATE,'validation'=>'isAnything','required'=>false],
             'associations'=>array(
            'doctor_hos' =>array('type' => self::HAS_MANY, 'field' => 'id', 'object' => 'Hospitals', 'association' => 'tender_doctor_hospital'),


          ),

        ],
    ];
    }

 

[Solver]

Hello, 

Does associations exist in database table?

Why you made it in fields?

[Abo Anas]

3 hours ago, Solver said:

Hello, 

Does associations exist in database table?

Why you made it in fields?

yes associations exist

and i try to show multi choice or multi selctbox for 2 tables hospital have many doctors and doctors work in many hospitals (many to many) relation

Edited May 17, 2020 by Abo Anas (see edit history)