<%= form_for @product, html: { multipart: true } do |f| %> <%= render 'application/errors', model: @product %> <%= form_text_field f, :name %> <%= f.label :price %> <%= f.number_field :price, value: number_with_precision(f.object.price, precision: 2), class: 'form-control', placeholder: "0.00", step: :any %> <%= form_collection_select f, :category, Product.categories.keys, :to_s, :titlecase %> <%= f.label :avatar %> <%= f.file_field :avatar %> <%= f.submit class: "btn btn-primary" %> <% end %>