Format currencies

Gemfile

@@ -61,3 +61,4 @@ group :development do
   # gem "spring"
 end
 
+gem "money"

Gemfile.lock

@@ -117,6 +117,8 @@ GEM
     marcel (1.0.4)
     mini_mime (1.1.5)
     minitest (5.24.1)
+    money (6.16.0)
+      i18n (>= 0.6.4, <= 2)
     msgpack (1.7.2)
     mutex_m (0.2.0)
     net-imap (0.4.14)
@@ -252,6 +254,7 @@ DEPENDENCIES
   debug
   importmap-rails
   jbuilder
+  money
   pg (~> 1.1)
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.2)

app/views/expenses/index.html.erb

@@ -12,14 +12,14 @@
   <% @expenses.each do |expense| %>
     <tr>
       <td><%= expense.name %></td>
-      <td><%= expense.amount %></td>
+      <td><%= expense.amount.to_currency %></td>
       <td><%= link_to "Show", expense %></td>
       <td><%= link_to "Edit", edit_expense_path(expense) %></td>
     </tr>
   <% end %>
   <tr>
     <td>Total</td>
-    <td><%= @expenses.sum(&:amount) %></td>
+    <td><%= @expenses.sum(&:amount).to_currency %></td>
     <td colspan="2"></td>
   </tr>
   </table>

config/initializers/ruby_extensions.rb

@@ -0,0 +1,5 @@
+class Numeric
+  def to_currency
+    Money.from_amount(self, "EUR").format
+  end
+end