/**
* 获取收藏夹创建者
* @return object 创建者
*/
public function author()
{
if (!empty($this->author)) {
$author = $this->author;
} else {
$this->parser();
$author_link = $this->dom->find('h2.zm-list-content-title', 0);
$author = parser_user($author_link);
}
return $author;
}
/**
* 获取点赞该回答的用户
* @return Generator 点赞用户迭代器
*/
public function voters()
{
$answer_id = $this->aid();
$voters_url = ANSWERS_PREFIX_URL . $answer_id . VOTERS_SUFFIX_URL;
while (true) {
$r = Request::get($voters_url);
$response_json = json_decode($r);
if (!empty($response_json->paging->next)) {
$voters_url = ZHIHU_URL . $response_json->paging->next;
$voters = $response_json->payload;
foreach ($voters as $voter) {
$dom = str_get_html($voter);
$voter_link = $dom->find('div.body', 0);
(yield parser_user($voter_link));
}
} else {
break;
}
}
}
/**
* 获取问题关注者
* @return Generator 关注者列表迭代器
*/
public function followers()
{
$followers_num = $this->followers_num();
if ($followers_num == 0) {
(yield null);
} else {
$follwers_url = $this->url . FOLLOWERS_SUFFIX_URL;
$r = Request::get($follwers_url);
$dom = str_get_html($r);
$_xsrf = _xsrf($dom);
for ($i = 0; $i < $followers_num / 20; $i++) {
if ($i == 0) {
for ($j = 0; $j < min($followers_num, 20); $j++) {
$follower_link = $dom->find('div.zm-profile-card h2 a', $j);
(yield parser_user($follower_link));
}
} else {
$data = array('start' => 0, 'offset' => $i * 20, '_xsrf' => $_xsrf);
$r = Request::post($follwers_url, $data, array("Referer: {$follwers_url}"));
$r = json_decode($r)->msg;
$dom = str_get_html($r[1]);
for ($j = 0; $j < min($followers_num - $i * 20, 20); $j++) {
$follower_link = $dom->find('div.zm-profile-card h2', $j);
(yield parser_user($follower_link));
}
}
}
}
}
/**
* 获取该话题下的最佳回答者
* @return array 最佳回答者列表
*/
public function answerer()
{
$this->parser();
for ($i = 0; !empty($dom = $this->dom->find('div.zm-topic-side-person-item', $i)); $i++) {
(yield parser_user($dom));
}
}
/**
* 获取用户列表
* @param String $type 关注或者粉丝
* @return Generator 用户列表
*/
private function follow($type)
{
if ($type === 'FOLLOWERS') {
$num = $this->followers_num();
$url = $this->url . FOLLOWERS_SUFFIX_URL;
$post_url = FOLLOWERS_LIST_URL;
} elseif ($type === 'FOLLOWEES') {
$num = $this->followees_num();
$url = $this->url . FOLLOWEES_SUFFIX_URL;
$post_url = FOLLOWEES_LIST_URL;
}
if ($num <= 0) {
return null;
} else {
$r = Request::get($url);
$dom = str_get_html($r);
$_xsrf = _xsrf($dom);
$json = $dom->find('div.zh-general-list', 0)->attr['data-init'];
for ($i = 0; $i < $num / 20; $i++) {
if ($i == 0) {
for ($j = 0; $j < min($num, 20); $j++) {
$user_list = $dom->find('h2.zm-list-content-title', $j);
(yield parser_user($user_list));
}
} else {
$params = json_decode(html_entity_decode($json))->params;
$params->offset = $i * 20;
$params = json_encode($params);
$data = array('_xsrf' => $_xsrf, 'method' => 'next', 'params' => $params);
$r = Request::post($post_url, $data, array("Referer: {$url}"));
$r = json_decode($r)->msg;
for ($j = 0; $j < min($num - $i * 20, 20); $j++) {
$dom = str_get_html($r[$j]);
$user_list = $dom->find('h2.zm-list-content-title', 0);
(yield parser_user($user_list));
}
}
}
}
}