Improve surface_area suffix management

app/helpers/rooms_helper.rb

@@ -34,4 +34,8 @@ def calculated_menu_width(islet)
     nb_of_lanes = islet.bays.map(&:lane).max
     frame_width * (((nb_of_frames) / nb_of_lanes) + 1)
   end
+
+  def surface_area_with_suffix(surface_area)
+    "#{surface_area} #{t("surface_area.unit")}"
+  end
 end

app/views/rooms/_form.html.erb

@@ -20,7 +20,7 @@
       <%= f.label :surface_area, class: "form-label" %>
       <div class="input-group">
         <%= f.number_field :surface_area, class: "form-control" %>
-        <span class="input-group-text">m²</span>
+        <span class="input-group-text"><%= t("surface_area.unit") %></span>
       </div>
     </fieldset>
   <% end %>

app/views/rooms/show.html.erb

@@ -33,10 +33,12 @@
           <dt class="pb-2"><%= Site.model_name.human %></dt>
           <dd class="mb-0 pb-2 ps-3"><%= link_to @room.site, site_path(@room.site) %></dd>
 
-          <% %i[surface_area].each do |attribute_name| %>
-            <dt class="pb-2"><%= Room.human_attribute_name(attribute_name) %></dt>
-            <dd class="mb-0 pb-2 ps-3"><%= "#{@room.public_send(attribute_name)} m²" %></dd>
-          <% end %>
+          <dt class="pb-2"><%= Room.human_attribute_name(:surface_area) %></dt>
+          <dd class="mb-0 pb-2 ps-3">
+            <% if @room.surface_area.present? %>
+              <%= surface_area_with_suffix(@room.surface_area) %>
+            <% end %>
+          </dd>
         </dl>
       <% end %>
     </div>

config/locales/fr.yml

@@ -2,6 +2,8 @@ fr:
   boolean:
     true: Oui
     false: Non
+  surface_area:
+    unit: m²
   form:
     submit: Valider
   action:

spec/helpers/rooms_helper_spec.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe RoomsHelper do
+  describe "#surface_area_with_suffix" do
+    it { expect(helper.surface_area_with_suffix(300)).to eq("300 m²") }
+  end
+end