app/views/otus/batch_file_load/simple/_form.html.erb
<%= form_tag url, multipart: true do -%>
<div class="field">
<%= label_tag 'files[]', 'Select files. Hold down command or control to select multiple files.' -%>
<br>
<%= file_field_tag 'files[]', multiple: true -%>
</div>
<% if @result -%>
<p> TODO: ADD OTHER METADATA INPUT OPTIONS HERE </p>
<% end %>
<%= content_for :warn_level %>
<%= submit_tag submit -%>
<% end %>