rails. File download link?

Question

Ruby on Rails

Hi all. There is a User model which has_many Doc(pdf, doc, xls).
How to organize a link to download a file?

Answer 1

making a controller action

def download
    begin
      send_file @file.file_path
    rescue
      flash[:error] = 'File not found.'
    end
  end

in routes
under your controller
a link
doesn't have to wrap it in an exception.

Answer 2

something like this:
= link_to @user.doc.filename, @user.doc