tab/app/views/transactions/_new.html.haml

#transaction_success.pure-alert.pure-alert-success.hidden
  Transaction created!
= render 'partials/form_errors', object: @transaction

= form_for @transaction, remote: true, html: { class: "pure-form" } do |f|
  - if current_user.penning
    = f.collection_select :debtor, User.all, :name, :name,
        { selected: @transaction.debtor.try(:name) || current_user.name }, { class: 'select2-selector'}
  - else
    = f.hidden_field :debtor, value: current_user.name
    = f.select :creditor,
        options_from_collection_for_select(User.all.order(:name), :name, :name),
        { include_blank: true },
        { class: 'select2-selector', size: 50 }
  -# { class: 'select2-selector', size: 50, required: true }
  = f.text_field :message, placeholder: "Message", size: 75
  -# = f.text_field :message, required: true, placeholder: "Message", size: 75
  %fieldset.pure-group-inline
    %span.icon-euro.pure-group-addon
    = f.number_field :euros, value: amount(@transaction.amount),
        placeholder: "Bedrag", step: 0.01, min: 0.01, class: "pure-group-addon price", size: 20
    -# placeholder: "Bedrag", step: 0.01, min: 0.01, class: "pure-group-addon price", size: 20, required: true
  = f.submit "Send it!", class: "pure-button pure-button-primary"