nukomeet/coworfing

= simple_form_for([@organization, @membership], html: { class: 'form-horizontal' }) do |f|
  = f.input :user_id, required: true, collection: User.with_username.map { |u| ["#{u.username} - #{u.name}", u.id] }, input_html: { class: 'chzn-select first' }, label: 'Select user'

  .controls
    = f.button :submit, 'Add', class: 'btn btn-primary'