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$this->db->query("INSERT INTO " . DB_PREFIX . "geo_zone SET name = '" . $this->db->escape($data['name']) . "', description = '" . $this->db->escape($data['description']) . "', date_added = NOW()");

$geo_zone_id = $this->db->getLastId();

if (isset($data['zone_to_geo_zone'])) {
	foreach ($data['zone_to_geo_zone'] as $value) {
		$this->db->query("INSERT INTO " . DB_PREFIX . "zone_to_geo_zone SET country_id = '"  . (int)$value['country_id'] . "', zone_id = '"  . (int)$value['zone_id'] . "', geo_zone_id = '"  .(int)$geo_zone_id . "', date_added = NOW()");
	}
}

$this->cache->delete('geo_zone');

$this->db->query("UPDATE " . DB_PREFIX . "geo_zone SET name = '" . $this->db->escape($data['name']) . "', description = '" . $this->db->escape($data['description']) . "', date_modified = NOW() WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

if (isset($data['zone_to_geo_zone'])) {
	foreach ($data['zone_to_geo_zone'] as $value) {
		$this->db->query("INSERT INTO " . DB_PREFIX . "zone_to_geo_zone SET country_id = '"  . (int)$value['country_id'] . "', zone_id = '"  . (int)$value['zone_id'] . "', geo_zone_id = '"  .(int)$geo_zone_id . "', date_added = NOW()");
	}
}

$this->cache->delete('geo_zone');

$this->db->query("DELETE FROM " . DB_PREFIX . "geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");
$this->db->query("DELETE FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

$this->cache->delete('geo_zone');

$query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

return $query->row;

if ($data) {
	$sql = "SELECT * FROM " . DB_PREFIX . "geo_zone";

	$sort_data = array(
		'name',
		'description'
	);	

	if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
		$sql .= " ORDER BY " . $data['sort'];	
	} else {
		$sql .= " ORDER BY name";	
	}

	if (isset($data['order']) && ($data['order'] == 'DESC')) {
		$sql .= " DESC";
	} else {
		$sql .= " ASC";
	}

	if (isset($data['start']) || isset($data['limit'])) {
		if ($data['start'] < 0) {
			$data['start'] = 0;
		}					

		if ($data['limit'] < 1) {
			$data['limit'] = 20;
		}	

		$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
	}

	$query = $this->db->query($sql);

	return $query->rows;
} else {
	$geo_zone_data = $this->cache->get('geo_zone');

	if (!$geo_zone_data) {
		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "geo_zone ORDER BY name ASC");

		$geo_zone_data = $query->rows;

		$this->cache->set('geo_zone', $geo_zone_data);
	}

	return $geo_zone_data;				
}

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "geo_zone");

return $query->row['total'];

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

return $query->rows;	

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$geo_zone_id . "'");

return $query->row['total'];

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "zone_to_geo_zone WHERE country_id = '" . (int)$country_id . "'");

return $query->row['total'];

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "zone_to_geo_zone WHERE zone_id = '" . (int)$zone_id . "'");

return $query->row['total'];