admin/model/localisation/city.php

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<?php

/**
 * description
 *
 * @copyright        2017/11/29 damicms.com - All Rights Reserved
 * @link             http://www.guangdawangluo.com
 * @author           Eric Yang <yangyw@damicms.com>
 * @created          2017/11/29 14:23
 * @modified         2017/11/29 14:23
 */
class ModelLocalisationCity extends Model
{

    public function addCity($data)
    {
        $this->db->query("INSERT INTO " . DB_PREFIX . "city SET name = '" . $this->db->escape($data['name']) . "', up_id='" . (int)$data['parent_id'] . "', zone_id = '" . (int)$data['zone_id'] . "', status = '" . (int)$data['status'] . "'");

        $this->cache->delete('city');
    }

    public function editCity($city_id, $data)
    {
        $this->db->query("UPDATE " . DB_PREFIX . "city SET name = '" . $this->db->escape($data['name']) . "', up_id='" . (int)$data['parent_id'] . "', zone_id = '" . (int)$data['zone_id'] . "', status = '" . (int)$data['status'] . "' WHERE city_id = '" . (int)$city_id . "'");

        $this->cache->delete('city');
    }

    public function deleteCity($city_id)
    {
        $this->db->query("DELETE FROM " . DB_PREFIX . "city WHERE city_id = '" . (int)$city_id . "'");

        $this->cache->delete('city');
    }

    public function getCity($city_id)
    {
        $query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "city WHERE city_id = '" . (int)$city_id . "'");

        return $query->row;
    }

    public function getCitiesByZoneId($zoneId, $topLevel = true)
    {
        $cacheKey = 'city.' . (int)$zoneId . '_' . (int)$topLevel;
        $city_data = $this->cache->get($cacheKey);

        if (!$city_data) {
            if ($topLevel) {
                $sql = "SELECT * FROM " . DB_PREFIX . "city WHERE zone_id = '" . (int)$zoneId . "' AND status = '1' AND up_id=0 ORDER BY name";
            } else {
                $sql = "SELECT * FROM " . DB_PREFIX . "city WHERE up_id = '" . (int)$zoneId . "' AND status = '1' ORDER BY name";
            }
            $query = $this->db->query($sql);

            $city_data = $query->rows;
            $this->cache->set($cacheKey, $city_data);
        }

        return $city_data;