Workaround for Liveview disconnecting after submitting form action over HTTP

[codeanpeace]

@gtaranti

So, I’m using a mini-form (with ‘GET’ method) in each row in order to utilise the phx-trigger-action binding and submit the auction_id to the controller, in order for the action to prepare the pdf and send it to the user as a download…
Is my approach of preparing the PDFs and sending to the user entirely wrong?

Hmm, have you tried using buttons with a phx-click binding and a phx-value set to auction_id and then prepare the pdf in the LiveView’s handle_event callback?

Also, this forum post seems relevant to your use case:

With Liveview, what is best way to download a file to the user's browser? (redirect through Phoenix Controller and back to Liveview, or use a background Task?)

Welcome to the forum @GeorgeMiller ! is there a reason why you couldn’t trigger the download with an ordinary link to a file in the priv/static folder? When your file is created (let’s call it data.csv), copy it to priv/static/. You can get the location of the priv folder using :code.priv_dir(:your_app_name). Create a download link in your view: <%= link "Download", to: Routes.static_path(@socket, "data.csv"), target: "_blank" %> (You will have to add the csv extension to the list of…