使用图形API错误添加MS Teams网站选项卡



上下文:

我正在尝试将一个新的网站标签添加到MS Teams中的现有频道,然后获得新创建的标签的id。

问题:

我可以创建新的选项卡,但我从Graph得到了一个"BadRequest"异常:

消息:值不能为null。参数名称:实体

有趣的是,该选项卡是在MS Teams中正确的团队和频道中创建并可见的,但我无法以任何方式获取它的id。

我的代码:

var tab = await _graphClient.Teams[teamId].Channels[channelId].Tabs.Request().WithMaxRetry(3).AddAsync(
new TeamsTab
{
DisplayName = "New Tab",
AdditionalData = new Dictionary<string, object>
{
["teamsApp@odata.bind"] =
$"{_teamsFactory.GraphV1Endpoint}/appCatalogs/teamsApps/com.microsoft.teamspace.tab.web"
},
Configuration = new TeamsTabConfiguration
{
EntityId = null,
WebsiteUrl = $"{_appUrl}/1",
ContentUrl = $"{_appUrl}/1",
RemoveUrl = null,
}
}
);

正如我在上面所写的,这段代码可以工作,并且创建了选项卡,但GraphServiceClient在分配选项卡变量之前抛出异常。

当我试图在图形浏览器中获取选项卡列表时

https://graph.microsoft.com/v1.0/teams/{teamid}/channels/{channelid}/tabs

我收到错误响应:

{
"error": {
"code": "InternalServerError",
"message": "Failed to execute request.",
"innerError": {
"request-id": "a03654e8-37a7-4fbb-8052-6a1b11721234",
"date": "2020-02-24T15:11:54"
}
}
}

我认为您可能需要为"EntityId"设置一个值-基本上只是一个字符串值来唯一地"命名"选项卡。它不是"DisplayName",而是选项卡的字符串"id"。

POST https://graph.microsoft.com/v1.0/teams/{id}/channels/{id}/tabs
{
"displayName": "My Contoso Tab",
"teamsApp@odata.bind" : "https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/06805b9e-77e3-4b93-ac81-525eb87513b8",
"configuration": {
"entityId": "2DCA2E6C7A10415CAF6B8AB6661B3154",
"contentUrl": "https://www.contoso.com/Orders/2DCA2E6C7A10415CAF6B8AB6661B3154/tabView",
"websiteUrl": "https://www.contoso.com/Orders/2DCA2E6C7A10415CAF6B8AB6661B3154",
"removeUrl": "https://www.contoso.com/Orders/2DCA2E6C7A10415CAF6B8AB6661B3154/uninstallTab"
}
}

请查看使用Graph API 将选项卡添加到通道

编辑1:请检查您是否具有添加选项卡的适当权限

第2版:你能试一下下面的代码吗

GraphServiceClient graphClient = new GraphServiceClient( authProvider );
var teamsTab = new TeamsTab
{
DisplayName = "WebsiteTab",
AdditionalData = new Dictionary<string, object>()
{
{"teamsApp@odata.bind","https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/com.microsoft.teamspace.tab.web"}
},
Configuration = new TeamsTabConfiguration
{
EntityId = null,
ContentUrl = "https://learn.microsoft.com/en-us/microsoftteams/platform/resources/bot-v3/bots-context",
RemoveUrl = null,
WebsiteUrl = "https://learn.microsoft.com/en-us/microsoftteams/platform/resources/bot-v3/bots-context"
}
};
await graphClient.Teams["TeamId"].Channels["ChannelId"].Tabs
.Request()
.AddAsync(teamsTab); 

最后我找到了"解决方案",尽管更好的名称是解决问题的方法。为了使它工作,我必须在TeamsTabConfiguration中将ODataType设置为null。仅此而已。代码应该是这样的:

var tab = await _graphClient.Teams[teamId].Channels[channelId].Tabs.Request().WithMaxRetry(3).AddAsync(
new TeamsTab
{
DisplayName = TabTitle,
ODataBind = $"{_teamsFactory.GraphV1Endpoint}/appCatalogs/teamsApps/com.microsoft.teamspace.tab.web",
Configuration = new TeamsTabConfiguration
{
ODataType = null,
EntityId = null,
WebsiteUrl = $"{_appUrl}/1",
ContentUrl = $"{_appUrl}/1",
RemoveUrl = null
}
});

就像我提到的,这只是一个变通办法。它在GitHub上被标记为"服务错误"(问题#598(

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