public void UploadFileToSharepoint()
{
IFormFile file = Request.Form.Files[0];
using (var fileStream = file.OpenReadStream()) {
var result = ConvertStreamToByteArray(fileStream);
Stream stream = new MemoryStream(result);
var token = new TokenState();
_token.TryGetValue("token", out token);
SharePointFileHelper.UploadFileInSharePointSite(token.AccessToken, _configuration["SharepointSiteName"], _configuration["SharepointTenantName"] + ":", file.FileName, stream);
};
}
// Invoked after success of prompt step async.
private async Task <DialogTurnResult> LoginStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
// Get the token from the previous step. Note that we could also have gotten the
// token directly from the prompt itself. There is an example of this in the next method.
var tokenResponse = (TokenResponse)stepContext.Result;
if (tokenResponse != null)
{
if (stepContext.Context.Activity.Text != null)
{
if (stepContext.Context.Activity.Text.ToLower().Trim() == "viewfile")
{
var fileNameList = await SharePointFileHelper.GetSharePointFile(tokenResponse, _configuration["SharePointSiteName"], _configuration["SharePointTenantName"] + ":");
if (fileNameList.Count == 0)
{
await stepContext.Context.SendActivityAsync(MessageFactory.Text("No files found. Please type 'uploadfile' to upload file to SharePoint site"), cancellationToken);
}
else
{
var sharePointTenantName = _configuration["SharePointTenantName"];
var sharePointSiteName = _configuration["SharePointSiteName"];
var fileUrl = "";
var actions = new List <AdaptiveAction>();
foreach (var file in fileNameList)
{
var extension = file.Split('.')[1];
fileUrl = $"https://teams.microsoft.com/_#/{extension}/viewer/teams/https:~2F~2F{sharePointTenantName}~2Fsites~2F{sharePointSiteName}~2FShared%20Documents~2F{file}";
actions.Add(new AdaptiveOpenUrlAction
{
Title = file.Split('.')[0],
Url = new Uri(fileUrl),
});
}
await stepContext.Context.SendActivityAsync(MessageFactory.Attachment(GetAdaptiveCardForFileViewerOption(actions)), cancellationToken);
}
return(await stepContext.EndDialogAsync());
}
else if (stepContext.Context.Activity.Text.ToLower().Trim() == "uploadfile")
{
TokenState token = new TokenState
{
AccessToken = tokenResponse.Token
};
_Token.AddOrUpdate("token", token, (key, newValue) => token);
await stepContext.Context.SendActivityAsync(MessageFactory.Attachment(GetAdaptiveCardForUploadFileOption()), cancellationToken);
return(await stepContext.EndDialogAsync());
}
}
}
await stepContext.Context.SendActivityAsync(MessageFactory.Text("Login successful"), cancellationToken);
await stepContext.Context.SendActivityAsync(MessageFactory.Text("Please type 'uploadfile' to upload file to SharePoint site or 'viewfile' to get card for file viewer"), cancellationToken);
return(await stepContext.EndDialogAsync());
}
