Rails - Mar 2014 - Heroku | Rails 4 | Ruby 2.0 - send_file not presenting file for download in the browser

Hello all,

I am have an app that is hosted on heroku (rails 4 | ruby 2.0) that I am using
paperclip-dropbox to upload attachments to a blog.  I have created a download
link for people who read the blog to be able to download the attachments but I
am not able to get the file to actually download via the browser. I am curious
if anyone knows what could be the issue.

My process is I download the file locally, using HTTParty.get, to public/images
and then attempt to present the file to the user to download. Getting the file
to download is working without issue. But getting the browser to present the
file is my problem.

I am looking for any help on what I could do to figure out what I may be doing
incorrectly.

Here is what I currently have:

app/controllers/blog_attachments.rb

  before_action :set_blog_attachment, only: [:download]

  def download
    download_file(@blog_attachment)
   
send_file("#{Rails.root}/public/blog_attachments/#{@blog_attachment.document_file_name}",
              filename: @blog_attachment.document_file_name,
              type: @blog_attachment.document_content_type,
              stream: true,
              disposition: 'inline')
    respond_to do |format|
      format.js {}
    end
  end

  private
  
  def download_file(file)
   
File.open("#{Rails.root}/public/blog_attachments/#{file.document_file_name}",'wb')
do |f|
      f.write HTTParty.get(file.document.url).parsed_response
    end
  end
  
  # Use callbacks to share common setup or constraints between actions.
  def set_blog_attachment
    @blog_attachment = BlogAttachment.find(params[:id])
  end

  # Never trust parameters from the scary internet, only allow the white list
through.
  def blog_attachment_params
    params[:blog_attachment]
  end

app/views/blogs/show.html.erb

<% for attachment in @blog.blog_attachments %>
  <%= link_to attachment.document_file_name,
download_blog_attachments_path(id: attachment.id), remote: true, method: :get
%>
<% end %>

Any help is greatly appreciated.

Thanks,

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