Fix display correct amount in transaction form

app/helpers/transactions_helper.rb

@@ -1,2 +1,5 @@
 module TransactionsHelper
+  def amount a
+    a.zero? ? nil : number_with_precision(a/100.0, precision: 2)
+  end
 end

app/views/layouts/application.html.haml

@@ -14,8 +14,6 @@
             - if current_user
               %li.pure-menu-item
                 = link_to current_user.name.capitalize, current_user, class: "pure-menu-link"
-              %li.pure-menu-item
-                = link_to "New Transaction", new_transaction_path, class: "pure-menu-link"
             - else
               = link_to "Sign in", user_omniauth_authorize_path(:zeuswpi), class: "pure-menu-link" unless current_user
       .pure-u-1

app/views/transactions/_new.html.haml

@@ -12,6 +12,6 @@
   = f.text_field :message, required: true, placeholder: "Message", size: 75
   %fieldset.pure-group-inline
     %span.euro.pure-group-addon
-    = f.number_field :euros, value: (@transaction.amount.zero? ? nil : @transaction.amount/100),
+    = f.number_field :euros, value: amount(@transaction.amount),
         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"

config/routes.rb

@@ -5,6 +5,6 @@ Rails.application.routes.draw do
 
   root to: 'high_voltage/pages#show', id: "landing"
 
-  resources :transactions, only: [:new, :index, :create]
+  resources :transactions, only: [:index, :create]
   resources :users, only: [:show, :index]
 end