% object_name = form.object.class.name.underscore %>
<% tag = "#{object_name}__#{image_name}" %>
<% image = form.object.send(image_name) %>
<% if image.url %>
<% begin %>
<%= image_tag image.url(:medium), id: "b9bf30-preview-#{tag}" %>
<% rescue %>
<%= image_tag image.url, id: "b9bf30-preview-#{tag}" %>
<% end %>
<% else %>
![]()
<% end %>
<%= t('upload_image.actions.change') %>
<%= form.file_field image_name, class: 'b9bf30-hide' %>