Add euro symbol to amount field

app/assets/stylesheets/purecss.css.scss

@@ -43,3 +43,23 @@
     background-color: rgb(83, 180, 79);
     color: #fff;
 }
+
+fieldset.pure-group-inline {
+  display: inline-block;
+  .pure-group-addon {
+    padding: .5em .6em;
+    box-shadow: inset 0 1px 3px #ddd;
+    border: 1px solid #ccc;
+    white-space: nowrap;
+    border-collapse: separate;
+    margin-left: -4px;
+    &:last-child {
+      border-radius: 0 4px 4px 0;
+    }
+    &:first-child {
+      margin-left: 0;
+      border-radius: 4px 0 0 4px;
+      border-right: 0;
+    }
+  }
+}

app/assets/stylesheets/transactions.scss

@@ -1,3 +1,6 @@
 // Place all the styles related to the transactions controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
+.price {
+  width: 100px;
+}

app/assets/stylesheets/users.css.scss

@@ -1,3 +1,4 @@
 // Place all the styles related to the users controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
+.euro:before   { content:"\20AC"; }

app/controllers/transactions_controller.rb

@@ -11,19 +11,16 @@ class TransactionsController < ApplicationController
     @transactions = Transaction.all
   end
 
-  def new
-    @transaction = Transaction.new
-  end
-
   def create
     @transaction = Transaction.new(transaction_params)
     respond_to do |format|
       format.html do
+        @user = current_user
         if @transaction.save
           flash[:success] = "Transaction created"
-          redirect_to new_transaction_path
+          redirect_to current_user
         else
-          render 'new'
+          render "users/show"
         end
       end
 

app/views/transactions/_new.html.haml

@@ -8,7 +8,10 @@
     = 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, required: true, placeholder: "Message", size: 75
-  = f.number_field :euros, value: (@transaction.amount.zero? ? nil : @transaction.amount/100), placeholder: "Bedrag", step: 0.01, min: 0.01
+  %fieldset.pure-group-inline
+    %span.euro.pure-group-addon
+    = f.number_field :euros, value: (@transaction.amount.zero? ? nil : @transaction.amount/100),
+        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"