Add System emails menu & list to admin panel

We need a section to list all System Emails to view the templates and
preview an example of what would be sent.

app/controllers/admin/system_emails_controller.rb

@@ -0,0 +1,7 @@
+class Admin::SystemEmailsController < Admin::BaseController
+
+  def index
+    @system_emails = %w(proposal_notification_digest)
+  end
+
+end

app/views/admin/_menu.html.erb

@@ -79,7 +79,7 @@
       </li>
     <% end %>
 
-    <% messages_sections = %w(newsletters emails_download admin_notifications) %>
+    <% messages_sections = %w(newsletters emails_download admin_notifications system_emails) %>
     <% messages_menu_active = messages_sections.include?(controller_name) %>
     <li class="section-title" <%= "class=is-active" if messages_menu_active %>>
       <a href="#">
@@ -93,6 +93,9 @@
         <li <%= "class=is-active" if controller_name == "admin_notifications" %>>
           <%= link_to t("admin.menu.admin_notifications"), admin_admin_notifications_path %>
         </li>
+        <li <%= "class=is-active" if controller_name == "system_emails" %>>
+          <%= link_to t("admin.menu.system_emails"), admin_system_emails_path %>
+        </li>
         <li <%= "class=is-active" if controller_name == "emails_download" %>>
           <%= link_to t("admin.menu.emails_download"), admin_emails_download_index_path %>
         </li>

app/views/admin/system_emails/index.html.erb

@@ -0,0 +1,29 @@
+<h2 class="inline-block"><%= t("admin.menu.system_emails") %></h2>
+
+<table id="system_emails">
+  <thead>
+    <tr>
+      <th><%= t("admin.shared.title") %></th>
+      <th><%= t("admin.shared.description") %></th>
+      <th class="small-5 text-right"><%= t("admin.shared.actions") %></th>
+    </tr>
+  </thead>
+  <tbody>
+  <% @system_emails.each do |system_email| %>
+    <tr id="<%= system_email %>" class="system_email">
+      <td>
+        <%= t("admin.system_emails.#{system_email}.title") %>
+      </td>
+      <td>
+        <%= t("admin.system_emails.#{system_email}.description") %>
+      </td>
+      <td class="text-right">
+        <%= link_to t("admin.shared.view"), admin_system_email_view_path(system_email),
+                                            class: "button hollow" %>
+        <%= link_to t("admin.shared.preview"), admin_system_email_preview_path(system_email),
+                                               class: "button" %>
+      </td>
+    </tr>
+  <% end %>
+  </tbody>
+</table>

config/locales/en/admin.yml

@@ -521,6 +521,7 @@ en:
       messaging_users: Messages to users
       newsletters: Newsletters
       admin_notifications: Notifications
+      system_emails: System Emails
       emails_download: Emails download
       valuators: Valuators
       poll_officers: Poll officers
@@ -649,6 +650,10 @@ en:
         preview_guide: "This is how the users will see the notification:"
         sent_guide: "This is how the users see the notification:"
         send_alert: Are you sure you want to send this notification to %{n} users?
+    system_emails:
+      proposal_notification_digest:
+        title: Proposal Notification Digest
+        description: Gathers all proposal notifications for an user in a single message, to avoid too much emails.
     emails_download:
       index:
         title: Emails download
@@ -1045,6 +1050,8 @@ en:
       image: Image
       show_image: Show image
       moderated_content: "Check the content moderated by the moderators, and confirm if the moderation has been done correctly."
+      view: View
+      preview: Preview
     spending_proposals:
       index:
         geozone_filter_all: All zones

config/locales/es/admin.yml

@@ -522,6 +522,7 @@ es:
       messaging_users: Mensajes a usuarios
       newsletters: Newsletters
       admin_notifications: Notificaciones
+      system_emails: Emails del sistema
       emails_download: Descarga de emails
       valuators: Evaluadores
       poll_officers: Presidentes de mesa
@@ -650,6 +651,10 @@ es:
         preview_guide: "Así es como los usuarios verán la notificación:"
         sent_guide: "Así es como los usuarios ven la notificación:"
         send_alert: ¿Estás seguro/a de que quieres enviar esta notificación a %{n} usuarios?
+    system_emails:
+      proposal_notification_digest:
+        title: Resumen de Notificationes de Propuestas
+        description: Reune todas las notificaciones de propuestas en un único mensaje, para evitar demasiados emails.
     emails_download:
       index:
         title: Descarga de emails
@@ -1046,6 +1051,8 @@ es:
       image: Imagen
       show_image: Mostrar imagen
       moderated_content: "Revisa el contenido moderado por los moderadores, y confirma si la moderación se ha realizado correctamente."
+      view: Ver
+      preview: Previsualizar
     spending_proposals:
       index:
         geozone_filter_all: Todos los ámbitos de actuación

config/routes/admin.rb

@@ -165,6 +165,11 @@ namespace :admin do
     end
   end
 
+  resources :system_emails, only: [:index] do
+    get :view
+    get :preview
+  end
+
   resources :emails_download, only: :index do
     get :generate_csv, on: :collection
   end