Question

我公司创建了一个内部使用的Yammer应用程序。我们的应用程序会自动为人们订阅已创建的各种线程。我们发现＆＃34;订阅＆＃34;之间存在差异。有人到线程，当用户点击＆＃34;跟随收件箱＆＃34;网站上的链接。当我们自动订阅人员时，我们唯一可以看到的事情就是该线程将出现在用户＆＃34;关注＆＃34; “主页”选项卡中的部分。将此与用户点击＆＃34;关注收件箱＆＃34;链接。从那时起，添加到该线程的任何评论都将显示在用户的收件箱中，并且当发生这种情况时，将向用户发送电子邮件。我们真的希望当我们自动订阅某个线程时，会发生这种情况，但是，REST API中似乎缺少此功能。有谁知道这样做的方法？订阅API端点提供的功能不足以满足我们的目的。

谢谢

P.S。我已将这个问题的链接发送到我的几所大学，他们可能会在我有机会之前做出回应。

Answer 1

作为经过验证的管理员，可以创建模拟令牌，然后代表用户执行操作，例如加入组/线程。

请注意，对于私人群组，群组管理员仍需要批准新会员

https://developer.yammer.com/docs/impersonation

您可以通过直接向用户添加用户来实现所需的行为。

我使用的C＃.Net示例：

// Impersonate user to join group                           
string ClientID = ConfigurationSettings.AppSettings["ClientID"]; // ClientID of custom app.
string userid = XMLDoc.Root.Element("response").Element("id").Value; // Yammer user id (in this case retreived from a previous API query)
string YammerGroupID = "123456"; // set group id.
string url = "https://www.yammer.com/api/v1/oauth/tokens.json?user_id=" + userid + "&consumer_key=" + ClientID; // impersonation end-point
HttpWebRequest request;
request = (HttpWebRequest)WebRequest.Create(url);
request.Headers.Add("Authorization", "Bearer " + bearer); // Bearer token of verified admin running the custom app.
request.Timeout = 90000;
request.Method = "GET";
request.ContentType = "application/json";
request.Proxy = new WebProxy() { UseDefaultCredentials = true };
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
    using (Stream responseStream = response.GetResponseStream())
    {
        StreamReader reader = new StreamReader(responseStream);
        string UserTokenJSON = reader.ReadToEnd(); // UserOAuth token as a JSON string.                                                                
        string UserToken = UserTokenJSON.Substring(UserTokenJSON.IndexOf("token") + 8, 22); // Find 'token' in json string.
        string temp = UserToken.Substring(UserToken.Length); // there is likely a much better way to parse out the token value, although this works.
        temp = UserToken.Substring(UserToken.Length - 1);
        temp = UserToken.Substring(UserToken.Length - 2);
        if (UserToken.Substring(UserToken.Length) == "\\")
        { UserToken = UserToken.Substring(0, UserToken.Length); }
        if (UserToken.Substring(UserToken.Length - 1) == "\"")
        { UserToken = UserToken.Substring(0, UserToken.Length - 1); }
        if (UserToken.Substring(UserToken.Length - 2) == "\",")
        { UserToken = UserToken.Substring(0, UserToken.Length - 2); }
        string url2 = "https://www.yammer.com/api/v1/group_memberships.json?group_id=" + YammerGroupID; // group membership endpoint, 
        HttpWebRequest request2;
        request2 = (HttpWebRequest)WebRequest.Create(url2);
        request2.Headers.Add("Authorization", "Bearer " + UserToken); // Impersonation Token
        request2.Timeout = 90000;
        request2.Method = "POST";
        request2.ContentType = "application/json";
        request2.Proxy = new WebProxy() { UseDefaultCredentials = true };
        try
        {
            using (WebResponse response2 = (HttpWebResponse)request2.GetResponse())
            {
                confirmedstring += "  New member: " + Email + "\\r\\n"; // This is used for posting summary back to a Yammer group in further code.
                confirmedadditions++;
            }
        }
        catch
        {
            Errorstring += "Error in adding " + Email + " to group " + YammerGroupID + "\\r\\n";
            errors++;
        }
    }
}

Yammer＆＃34;关注Inbox＆＃34; API支持

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