Upload file to user using Bot Framework

Question

I have been developing Bot, I have configured my WaterfallDialog, the bot connects to database, get some information and creates Excel file, now I don't know how to upload the file to user. Is it not possible to upload file directly to user?

How to send attachment in bot framework in web embedded bot using c#

I followed the above post, but this provides a URL to the user or it removes the extension from the file Image of file upload to channel without extensions

Edit: I have followed both answers in the above question, the 1st answer uploads the file to the channel, but the file extension and file name is changed. So when user downloads the file they download "original" instead of "file.extension"

As requested, here is the code used.

{
    var imagePath = System.Web.HttpContext.Current.Server.MapPath(@"~\Resources\Results.xlsx");

    using (var connector = new ConnectorClient(new Uri(serviceUrl)))
    {
        var attachments = new Attachments(connector);
        var response = await attachments.Client.Conversations.UploadAttachmentAsync(
            conversationId,
            new AttachmentData
            {
                Name = "Results.xlsx",
                OriginalBase64 = File.ReadAllBytes(imagePath),
                Type = "text/xlsx"
            });

        var attachmentUri = attachments.GetAttachmentUri(response.Id);

        return new Attachment
        {
            Name = "Results.xlsx",
            ContentType = "text/xlsx",
            ContentUrl = attachmentUri
        };
    }
}

Does this answer your question? How to send attachment in bot framework in web embedded bot using c# — Ezequiel Jadib
– Ezequiel Jadib, Commented Dec 13, 2019 at 12:00
As I said, I followed that question before, but when you click on download file, the file downloaded is named "original" and not "file.extension" like you would expect. Edit: After reading it over I realised that I only said I followed the URL part of the previous question — pevecg
– pevecg, Commented Dec 13, 2019 at 14:14

Giang Nguyen · Accepted Answer · 2019-12-20 19:45:41Z

2

Use internet attachment, upload your file to some host(e.g: aws s3) before send to user

private static Attachment GetInternetAttachment()
{
    // ContentUrl must be HTTPS.
    return new Attachment
    {
        Name = @"Resources\architecture-resize.png",
        ContentType = "image/png",
        ContentUrl = "https://learn.microsoft.com/en-us/bot-framework/media/how-it-works/architecture-resize.png",
    };
}

answered Dec 20, 2019 at 19:45

Giang Nguyen

1513 bronze badges

Sign up to request clarification or add additional context in comments.

3 Comments

pevecg Over a year ago

This is how we decided to do it in the end, it is a solution, but if its possible to upload to channel, I would still prefer that. Another solution is also using Sharepoint, but that requires more integration with Azure

Giang Nguyen Over a year ago

I suggest that solution because only internet attachment works for me, maybe a bug for other types of attachment, cannot get rid of "original" download issue

pevecg Over a year ago

Yeah, I have opened Microsoft support on this, so I can see if we can get to the bottom of this, I will update the question and accept your answer if there is no direct solution

Collectives™ on Stack Overflow

Upload file to user using Bot Framework

1 Answer 1

3 Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

3 Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related