TrestleAdmin/trestle

Trestle.resource(:<%= admin_name %><% if module? %>, scope: <%= module_name %><% end %><% if singular? %>, singular: true<% end %>) do
  menu do
    item :<%= admin_name %>, icon: "fa fa-star"
  end

<%- if singular? -%>
  instance do
    # Override this block to define the instance that this resource represents.
    raise NotImplementedError, "Singular resources must define an instance block."
  end
<%- else -%>
  # Customize the table columns shown on the index view.
  #
  # table do
  #   column :name
  #   column :created_at, align: :center
  #   actions
  # end
<%- end -%>

  # Customize the form fields shown on the <% if singular? %>edit view<% else %>new/edit views<% end %>.
  #
  # form do |<%= parameter_name %>|
  #   text_field :name
  #
  #   row do
  #     col { datetime_field :updated_at }
  #     col { datetime_field :created_at }
  #   end
  # end

  # By default, all parameters passed to the <% if singular? %>update action<% else %>update and create actions<% end %> will be
  # permitted. If you do not have full trust in your users, you should explicitly
  # define the list of permitted parameters.
  #
  # For further information, see the Rails documentation on Strong Parameters:
  #   http://guides.rubyonrails.org/action_controller_overview.html#strong-parameters
  #
  # params do |params|
  #   params.require(:<%= parameter_name %>).permit(:name, ...)
  # end
end