Deluge: How to get the application/octet-stream response using the 'invokeUrl' method?

Deluge: How to get the application/octet-stream response using the 'invokeUrl' method?

I'm in the middle of setting up a 'scheduled email notifications' Flow, but I am unsure if this is the best path to do it. So alternate title for this post is "What's the best setup for emailing an inventory feed to your customers."

The setup is simple, I added a scheduled trigger and connected it to a function that 1. requests an excel file from SharePoint REST API, 2. fetches all customers with "Inventory Feed" field selected, and 3. sends an email with the file from SharePoint attached.

Here's a snippet

  2. void send_inventory_feed_to_email()
  3. {
  4. // 1. requests an excel file from SharePoint Rest API
  5. token = get_sharepoint_token(); 
  7. url = "https://domain.sharepoint.com/sites/Team/_api/Web/GetFolderByServerRelativePath(decodedurl='/sites/SomeFolder')/Files('Inventory.xlsx')/$value";

  9. // main issue - 'excel_file_from_sharepoint' returns "1667937294042.octet-stream" - a string instead an actual octet-stream content
  10. excel_file_from_sharepoint = invokeurl
  11. [
  12. url :url
  13. type :GET
  14. headers:{"Authorization":"Bearer ".concat(token),"Content-Type":"application/octet-stream","Accept":"application/octet-stream"}
  15. ];
  16.      
  17.  // 2. fetches all customers with "Inventory Feed" field selected
  18. for each  subscriber in get_inventory_feed_subscribers()
  19. {
  20. // I'm not sure if this is the right way of using the Upload attachment API, so correct me if I'm wrong
  21. attachment = invokeurl
  22. [
  23. url :"https://mail.zoho.com/api/accounts/xxxxxxxxxxxxxxxxxxxx/messages/attachments"
  24. type :POST
  25. parameters:{"fileName":"Inventory Feed.xlsx","file":excel_file_from_sharepoint}
  26. content-type:"multipart/form-data"
  27. ];
  28. attachment = attachment.get("data").get(0);
  29.  //3. sends an email with the file from SharePoint attached
  30. email = invokeurl
  31. [
  32. url :"https://mail.zoho.com/api/accounts/xxxxxxxxxxxxxxxxxxxx/messages/messages"
  33. type :POST
  34. parameters:{"attachments":{"storeName":attachment.get("storeName"),"attachmentPath":attachment.get("attachmentPath"),"attachmentName":attachment.get("attachmentName")}}
  35. ];
  36. }
  37. }
I'm getting a string instead an application/octet-stream content.

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