%= simple_form_for(post_replacement, url: post_replacements_path(post_id: post_replacement.post_id), method: :post) do |f| %>
Delete the current image and replace it with another one, keeping everything else in the post intact. This is meant for upgrading lower-quality images, such as image samples, to higher-quality versions.
<%= f.input :replacement_url, label: "New Source", input_html: { value: "" } %> <% end %>