StopAreaReferentials#show: Move header links to decorator

On the

    http://stif-boiv.dev:3000/stop_area_referentials/1/stop_areas/139416

page, move the header links into a decorator to allow us to use them in
the table of stop areas on StopAreaReferentials#index.

Refs #3479

3 files changed, 51 insertions, 8 deletions

diff --git a/app/controllers/stop_areas_controller.rb b/app/controllers/stop_areas_controller.rb
index ae3edbd3e..e97aad8d3 100644
--- a/app/controllers/stop_areas_controller.rb
+++ b/app/controllers/stop_areas_controller.rb
@@ -90,6 +90,9 @@ class StopAreasController < BreadcrumbController
         }
 
       end
+
+      @stop_area = @stop_area.decorate
+
       build_breadcrumb :show
     end
   end
diff --git a/app/decorators/stop_area_decorator.rb b/app/decorators/stop_area_decorator.rb
new file mode 100644
index 000000000..1f3b3d16c
--- /dev/null
+++ b/app/decorators/stop_area_decorator.rb
@@ -0,0 +1,42 @@
+class StopAreaDecorator < Draper::Decorator
+  decorates Chouette::StopArea
+
+  delegate_all
+
+  def action_links
+    links = []
+
+    if h.policy(Chouette::StopArea).new?
+      links << Link.new(
+        content: h.t('stop_areas.actions.new'),
+        href: h.new_stop_area_referential_stop_area_path(
+          object.stop_area_referential
+        )
+      )
+    end
+
+    if h.policy(object).update?
+      links << Link.new(
+        content: h.t('stop_areas.actions.edit'),
+        href: h.edit_stop_area_referential_stop_area_path(
+          object.stop_area_referential,
+          object
+        )
+      )
+    end
+
+    if h.policy(object).destroy?
+      links << Link.new(
+        content: h.destroy_link_content('stop_areas.actions.destroy'),
+        href: h.stop_area_referential_stop_area_path(
+          object.stop_area_referential,
+          object
+        ),
+        method: :delete,
+        data: { confirm: t('stop_areas.actions.destroy_confirm') }
+      )
+    end
+
+    links
+  end
+end
diff --git a/app/views/stop_areas/show.html.slim b/app/views/stop_areas/show.html.slim
index 0427554ef..05f66a33a 100644
--- a/app/views/stop_areas/show.html.slim
+++ b/app/views/stop_areas/show.html.slim
@@ -5,14 +5,12 @@
 
   .row
     .col-lg-12.text-right.mb-sm
-      - if policy(Chouette::StopArea).new?
-        = link_to t('stop_areas.actions.new'), new_stop_area_referential_stop_area_path(@stop_area_referential), class: 'btn btn-primary'
-      - if policy(@stop_area).update?
-        = link_to t('stop_areas.actions.edit'), edit_stop_area_referential_stop_area_path(@stop_area_referential, @stop_area), class: 'btn btn-primary'
-      - if policy(@stop_area).destroy?
-        = link_to stop_area_referential_stop_area_path(@stop_area_referential, @stop_area), method: :delete, data: {confirm: t('stop_areas.actions.destroy_confirm')}, class: 'btn btn-primary' do
-          span.fa.fa-trash
-          span = t('stop_areas.actions.destroy')
+      - @stop_area.action_links.each do |link|
+        = link_to link.href,
+            method: link.method,
+            data: link.data,
+            class: 'btn btn-primary' do
+              = link.content
 
 / PageContent
 .page_content