Images won't load from Active Storage using Amazon S3 Bucket

[daveomcd]

I began having issues rendering images on my PDFs using Active Storage and images from an Amazon S3 bucket. I tried several things and couldn't get anything to work for me. I wanted to post a solution that helped me patch it for now until I find another long-term answer for PDF generation after reading about wkhtmltopdf ceasing future developments.

I created a helper function like so ...

def image_for_pdf(image_blob)
  if image_blob.attached?
    Tempfile.create([image_blob.filename.base, image_blob.filename.extension_with_delimiter], binmode: true) do |file|
      file.write(image_blob.download)
      file.rewind
      base64_data = Base64.encode64(file.read)
      "data:#{image_blob.content_type};base64,#{base64_data}"
    end
  end
end

and then I proceeded to call for an image like this ...

<% temp_image_path = image_for_pdf(object.attached_image) %>
<%= image_tag(temp_image_path) if temp_image_path.present? %>

Hopefully, this helps others as I didn't see another working solution. Also if anyone notices a problem with this code please let me know. I was nervous about creating the temporary files, but I believe using the block as I have it will delete them after use? But perhaps someone could point out my problem if that's not the case.

[n-at-han-k]

This is great

[FullStackDev0331]

This is great