invoiceninja/app/Ninja/Repositories/PaymentTermRepository.php

<?php namespace App\Ninja\Repositories;

use DB;

class PaymentTermRepository extends BaseRepository
{
    public function getClassName()
    {
        return 'App\Models\PaymentTerm';
    }

    public function find($accountId = 0)
    {
        return DB::table('payment_terms')
                //->where('payment_terms.account_id', '=', $accountId)
                ->where('payment_terms.deleted_at', '=', null)
                ->select('payment_terms.public_id', 'payment_terms.name', 'payment_terms.num_days', 'payment_terms.deleted_at');
    }
}