php-wechat-sdk/src/Wechat/Work/Chat.php

<?php

namespace Wechat\Work;

use Wechat\Work\Message\MessageInterface;

class Chat
{

    protected $id;
    protected $work;

    public function __construct($id, $work)
    {
        $this->work = $work;
        $this->id = $id;
    }

    /**
     * 发送消息
     * @param $msg MessageInterface
     * @return mixed
     */
    public function send($msg)
    {
        $request = $this->work->transformForJsonRequest('appchat/send',
            array_merge($msg->toArray(), [
                'chatid' => $this->id
            ]));
        return $this->work->request($request);
    }

    public function create(array $users, $owner = null, $name = null)
    {
        $params = [
            'userlist' => $users,
        ];

        if ($name) {
            $params['name'] = $name;
        }

        if ($owner) {
            $params['owner'] = $owner;
        }

        if ($this->id != null) {
            $params['chatid'] = $this->id;
        }

        $request = $this->transformForJsonRequest('POST', 'appchat/create', $params);
        $resp = $this->client->send($request);
        return json_decode($resp->getBody(), true);
    }

    public function get($chatId)
    {
        $request = $this->transformForJsonRequest('GET', 'appchat/get?chatid=' . $chatId);
        $resp = $this->client->send($request);
        return json_decode($resp->getBody(), true);
    }

    public function update($chatId, array $add = null, array $del = null, $name = null, $owner = null)
    {
        $params = [
            'chatid' => $chatId,
        ];

        if ($name) {
            $params['name'] = $name;
        }

        if ($owner) {
            $params['owner'] = $owner;
        }

        if ($add) {
            $params['add_user_list'] = $add;
        }

        if ($del) {
            $params['del_user_list'] = $del;
        }

        $request = $this->transformForJsonRequest('POST', 'appchat/update', $params);
        $resp = $this->client->send($request);
        return json_decode($resp->getBody(), true);
    }

}