redmine_qbo_lineitems/app/views/items/_form.html.erb

<%= labelled_form_for @item do |f| %>
  <%= error_messages_for 'item' %>

  <div class="box tabular">
    <p>
      <%= f.text_field :name, required: true, size: 60 %>
    </p>

    <p>
      <%= f.text_field :sku, size: 30 %>
    </p>

    <p>
      <%= f.text_area :description, rows: 4, class: 'wiki-edit' %>
    </p>

    <p>
      <%= f.number_field :unit_price, step: 0.01, size: 10 %>
    </p>

    <p>
      <%= f.check_box :taxable %>
    </p>

    <p>
      <%= f.label :account_id, l(:label_account) %>
      <%= f.collection_select :account_id,
            Account.where(classification: 'Revenue').order(:name),
            :id,
            :name,
            { selected: @item.account_id || Account.get_default&.id, include_blank: true } %>
    </p>

    <p>
      <%= f.select :type,
            Quickbooks::Model::Item::ITEM_TYPES.map { |t| [t, t] },
            { selected: @item.type || Quickbooks::Model::Item::NON_INVENTORY_TYPE } %>
    </p>

    <p>
      <%= f.check_box :active %>
    </p>
  </div>

  <%= submit_tag l(:button_save) %>
  <%= link_to l(:button_cancel), items_path if controller.action_name == 'edit' %>
<% end %>