/**
* 获取当前类型的数据
*
* @param OOP_ORM_Data $obj
* @param $data
* @param $compiled_data
* @return mixed
*/
public function &get_data(OOP_ORM_Data $obj, &$data, &$compiled_data, &$compiled_raw_data)
{
$field_name = $this->field_name;
if (null === $field_name && array_key_exists($this->key, $data)) {
$field_name = $this->key;
}
if ($field_name && isset($data[$field_name])) {
$tmp_data = $data[$field_name];
# 处理格式化数据
if (isset($this->config['format'])) {
OOP_ORM_DI::_do_de_format_data($this->config['format'], $tmp_data);
} elseif (isset($this->config['is_temp_instance']) && $this->config['is_temp_instance']) {
# 虚拟对象，尝试解析数据
if (is_string($tmp_data)) {
if (in_array(substr($tmp_data, 0, 1), array('{', '['))) {
# 尝试用 json 解析
$tmp_data2 = @json_decode($tmp_data, true);
if (null !== $tmp_data2) {
$tmp_data = $tmp_data2;
$this->config['format'] = 'json';
// json处理
}
} elseif (in_array(substr($tmp_data, 0, 2), array('a:', 'o:', 's:', 'i:', 'f:'))) {
# 尝试用反序列化解析
try {
$tmp_data2 = unserialize($tmp_data);
$tmp_data = $tmp_data2;
$this->config['format'] = 'serialize';
// 序列化处理
} catch (Exception $e) {
# 解析失败则忽略操作
}
}
}
}
# 处理数据类型
if (isset($this->config['field_type'])) {
OOP_ORM_DI::_check_field_type($this->config['field_type'], $tmp_data);
}
$compiled_data[$this->key] = $tmp_data;
$compiled_raw_data[$this->key] = $tmp_data;
// 保存一个数据备份，用于检查是否修改
} else {
$compiled_data[$this->key] = null;
}
return $compiled_data[$this->key];
}
/**
* 获取当前类型的数据
*
* @param OOP_ORM_Data $obj
* @param $data
* @param $compiled_data
* @return mixed
*/
public function &get_data(OOP_ORM_Data $obj, &$data, &$compiled_data, &$compiled_raw_data)
{
# 处理URL变量
$this->url = $this->config['resource'];
if (preg_match_all('#{{([a-z0-9_]+)}}#i', $this->url, $m)) {
foreach ($m[1] as $v) {
$this->url = str_replace('{{' . $v . '}}', $obj->{$v}, $this->url);
}
}
# 获取缓存
if (isset($this->config['cache'])) {
/**
* @var $cache Cache
*/
list($cache, $key) = $this->get_cache_instance_and_key($obj);
$tmp_data = $cache->get($key);
} else {
$tmp_data = null;
}
# 获取内容
if (null === $tmp_data || false === $tmp_data) {
$tmp_data = HttpClient::factory()->get($this->url)->data();
if (false === $tmp_data) {
return false;
}
# 处理数据类型
if (isset($this->config['field_type'])) {
OOP_ORM_DI::_check_field_type($this->config['field_type'], $tmp_data);
}
# 设置缓存
if (isset($this->config['cache'])) {
$cache->set($key, $tmp_data, isset($this->config['cache']['expired']) ? $this->config['cache']['expired'] : 3600, isset($this->config['cache']['expire_type']) ? $this->config['cache']['expire_type'] : null);
}
}
# 处理格式化数据
if (isset($this->config['format'])) {
OOP_ORM_DI::_do_de_format_data($this->config['format'], $tmp_data);
}
$compiled_data[$this->key] = $tmp_data;
$compiled_raw_data[$this->key] = $tmp_data;
return $compiled_data[$this->key];
}
protected function get_metadata_by_group_data($config, $metadata)
{
if ($config['depth'] > 0) {
$tmp_data = array();
foreach ($metadata as $item) {
if ($item['field_name'] !== $config['field_name']) {
continue;
}
if (strpos($item['meta_index'], '.') !== false) {
// 构造一个多维数组
$tmp =& $tmp_data;
foreach (explode('.', $item['meta_index']) as $key) {
$tmp =& self::_create_metadata_tree($key, $tmp);
}
$tmp = $item['meta_value'];
if (isset($config['format']) && $config['format']) {
OOP_ORM_DI::_do_de_format_data($config['format'], $tmp);
}
unset($tmp);
} else {
if (isset($config['format']) && $config['format']) {
OOP_ORM_DI::_do_de_format_data($config['format'], $item['meta_value']);
}
$tmp_data[$item['meta_index']] = $item['meta_value'];
}
}
return $tmp_data;
} else {
foreach ($metadata as $item) {
if ($item['field_name'] === $config['field_name']) {
if (isset($config['format']) && $config['format']) {
OOP_ORM_DI::_do_de_format_data($config['format'], $item['meta_value']);
}
return $item['meta_value'];
}
}
return null;
}
}
