<?php
namespace App\Models;
use App\Classes\JsonStoreResponse;
use Config\Services;
class BaseModel extends \CodeIgniter\Model
{
protected $useTimestamps = true;
protected $useSoftDeletes = false;
/**
* Handle pagination with Ext.data.virtual.Store
*
* @return JsonStoreResponse
*/
public function getVirtualStoreData()
{
$request = Services::request();
$start = $request->getGetPost('start');
$limit = $request->getGetPost('limit');
$builder = $this->builder();
$builder->limit($limit, $start);
$sql = str_replace('SELECT', 'SELECT SQL_CALC_FOUND_ROWS', $builder->getCompiledSelect());
echo $sql;
$query = $this->db->query($sql);
$row = $query->getResult($this->tempReturnType);
$query->freeResult();
$query = $this->db->query('SELECT FOUND_ROWS() AS `total`');
$res = $query->getRowObject();
$result = new JsonStoreResponse(true, $res->total);
$result->setData($row);
return $result;
}
/**
* Check the item_version of the new data and make sure the data is in sync between
* front- and back-end before updating.
*
* @param $id
* @param $new_data
*
* @return bool
* @throws \ReflectionException
*/
public function validateVersionAndUpdate($id, $new_data)
{
$record = $this->find($id);
// Ext JS increments the item_version by one when saving.
// item_version - 1 must match what we have in database, otherwise another edit
// has been made and we bail out.
if ((int)$new_data->item_version - 1 !== (int)$record->item_version) {
return false;
}
$this->update($id, $new_data);
return true;
}
}
