course-site/app/Repositories/Models/Base/User.php

<?php

namespace App\Repositories\Models\Base;

use App\Repositories\Models\Model;
use App\Repositories\Models\School\Grade;
use Illuminate\Auth\Authenticatable;
use Illuminate\Contracts\Auth\Access\Authorizable as AuthorizableContract;
use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Laravel\Lumen\Auth\Authorizable;
use Spatie\Permission\Traits\HasRoles;
use Tymon\JWTAuth\Contracts\JWTSubject;

class User extends Model implements AuthenticatableContract, AuthorizableContract, JWTSubject
{
    use Authenticatable, Authorizable, HasFactory, HasRoles;

    /**
     * @var string
     */
    protected $table = 'base_admins';

    protected $guarded = [];

    /**
     * The attributes excluded from the model's JSON form.
     *
     * @var array
     */
    protected $hidden = [
        'password'
    ];

    protected $casts = [
        'extra_fields' => 'json'
    ];

    protected static function boot()
    {
        parent::boot(); // TODO: Change the autogenerated stub
        self::saved(function (User $model) {
            if ($model->type) {
                Admin::query()->find($model->id)->syncRoles($model->type);
            }
        });
    }

    /**
     * Get the identifier that will be stored in the subject claim of the JWT.
     *
     * @return mixed
     */
    public function getJWTIdentifier()
    {
        return $this->getKey();
    }

    /**
     * Return a key value array, containing any custom claims to be added to the JWT.
     *
     * @return array
     */
    public function getJWTCustomClaims()
    {
        return ['role' => 'user'];
    }

    public function department()
    {
        return $this->belongsTo(Department::class)->select(['id', 'name']);
    }

    public function grade()
    {
        return $this->belongsTo(Grade::class, 'grade_id')->select(['id', 'name']);
    }

}