app/views/backstage/users/roles/new.html.haml
= render "backstage/header"
.container
.row
.col-lg-12
= title "User #{@user} roles"
= simple_form_for [:backstage, @user, @role] do |f|
= f.input :name, collection: Role::AVAILABLE, allow_blank: false, prompt: false
= f.submit 'Save', class: 'btn btn-primary btn-lg mt-4'