Rails how do I – export data with send_data then redirect_to a new page?

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send_data is a render, so you can’t do anything after it in a controller method.

The ways around it all involve Javascript. Here’s one way I hacked together and never really liked:

  • user hits submit
  • small window pops up and connects to the controller to download the file
  • main window redirects to the next page

Eventually I turned file generation into a background job. Then the user went to a jobs page (that didn’t need a subsequent redirect) to get the files.

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