<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class InvoiceModel extends CI_Model
{
    public function find($id)
    {
        return $this->db->get_where('invoices', array('id' => (int) $id))->row();
    }

    public function createDraft(array $data)
    {
        $data['status'] = 'draft';
        if (!$this->db->insert('invoices', $data)) {
            throw new RuntimeException('Gagal membuat draft invoice.');
        }
        return (int) $this->db->insert_id();
    }

    public function updateById($id, array $data)
    {
        return $this->db->where('id', (int) $id)->update('invoices', $data);
    }
}