/**
* 从缓存获取联系人列表或联系人详情
* @param int $user_id 用户ID
* @param int $id 联系人ID
* @param string $callback id为NULL时，允许设置回调方法
* @param int $info 无实际用途，仅兼容原方法
* @return array|Contact|bool
*/
public function get($user_id, $id = NULL, $callback = '', $info = 1)
{
$callback = $callback == '' ? 'get_list' : $callback;
if ($id !== NULL) {
$result = $this->cache->get($this->cache_pre . 'find_by_id_' . $user_id . '_' . $id);
} else {
$result = $this->cache->get($this->cache_pre . $callback . '_' . $user_id);
}
//重新生成缓存
/*
if ($id === NULL AND ! empty($result) AND ! isset($result[key($result)]['tels']))
{
$result = NULL;
}
*/
if ($id === NULL and $result) {
foreach ($result as $value) {
if (!isset($value['id'])) {
$result = NULL;
break;
}
}
}
if (empty($result)) {
if ($id !== NULL) {
$result = call_user_func(array($this, 'find_by_id'), $user_id, $id);
$this->cache->set($this->cache_pre . 'find_by_id_' . $user_id . '_' . $id, $result);
} else {
$result = call_user_func(array($this, $callback), $user_id);
if ($callback == 'get_list') {
//获取电话信息
$tels = $this->contact_mapper->get_info_list($user_id, NULL, 'tels', FALSE, FALSE, array_merge(array('cid'), Contact::$allow_cols['tels']));
//获取邮箱信息
$emails = $this->contact_mapper->get_info_list($user_id, NULL, 'emails', FALSE, FALSE, array_merge(array('cid'), Contact::$allow_cols['emails']));
foreach ($tels as $value) {
$cid = $value['cid'];
unset($value['cid']);
if (in_array($cid, array_keys($result))) {
$result[$cid]['tels'][] = $value;
}
}
foreach ($emails as $value) {
$cid = $value['cid'];
unset($value['cid']);
if (in_array($cid, array_keys($result))) {
$result[$cid]['emails'][] = $value;
}
}
}
$this->cache->set($this->cache_pre . $callback . '_' . $user_id, $result);
}
}
return $result;
}
