Update "proposal" notification email to add unsubscribe link

We modified the link that previously redirected us to the "My content"
page to redirect us to the new page for managing subscriptions.

app/mailers/mailer.rb

@@ -62,6 +62,7 @@ class Mailer < ApplicationMailer
   def proposal_notification_digest(user, notifications)
     @notifications = notifications
     @email_to = user.email
+    manage_subscriptions_token(user)
 
     with_user(user) do
       mail(to: @email_to, subject: t("mailers.proposal_notification_digest.title", org_name: Setting["org_name"]))

app/views/mailer/proposal_notification_digest.html.erb

@@ -70,9 +70,10 @@
       <tr>
         <td style="padding-left: 10px;">
           <p style="font-family: 'Open Sans','Helvetica Neue',arial,sans-serif;font-size: 14px;font-weight: normal;line-height: 24px; margin: 0; font-style: italic; padding-bottom: 20px;">
-            <%= sanitize(t("mailers.proposal_notification_digest.unsubscribe",
-                account: link_to(t("mailers.proposal_notification_digest.unsubscribe_account"),
-                                account_url, style: "color: #2895F1; text-decoration: none;"))) %>
+            <%= sanitize(t("mailers.proposal_notification_digest.unsubscribe_text",
+                notifications: link_to(t("mailers.config.notifications_link"),
+                                edit_subscriptions_url(token: @token),
+                                style: "color: #2895F1; text-decoration: none;"))) %>
           </p>
         </td>
       </tr>

config/locales/en/mailers.yml

@@ -28,8 +28,7 @@ en:
       title: "Proposal notifications in %{org_name}"
       share: Share proposal
       comment: Comment proposal
-      unsubscribe: "If you don't want to receive any proposal notifications, visit %{account} and uncheck 'Receive a summary of proposal notifications'."
-      unsubscribe_account: My account
+      unsubscribe_text: "If you don't want to receive any proposal notifications, visit %{notifications} and uncheck 'Receive a summary of proposal notifications'."
       unfollow: "Visit this proposal and unfollow it to stop receiving notifications."
     direct_message_for_receiver:
       subject: "You have received a new private message"

config/locales/es/mailers.yml

@@ -28,8 +28,7 @@ es:
       title: "Notificaciones de propuestas en %{org_name}"
       share: Compartir propuesta
       comment: Comentar propuesta
-      unsubscribe: "Si no quieres recibir notificaciones de propuestas, puedes entrar en %{account} y desmarcar la opción 'Recibir resumen de notificaciones sobre propuestas'."
-      unsubscribe_account: Mi cuenta
+      unsubscribe_text: "Si no quieres recibir notificaciones de propuestas, puedes entrar en %{notifications} y desmarcar la opción 'Recibir resumen de notificaciones sobre propuestas'."
       unfollow: "Si no quieres recibir más notificaciones, visita esta propuesta y deja de seguirla."
     direct_message_for_receiver:
       subject: "Has recibido un nuevo mensaje privado"

spec/system/admin/system_emails_spec.rb

@@ -92,6 +92,7 @@ describe "System Emails" do
                                 href: proposal_url(proposal_b, anchor: "tab-notifications", host: app_host))
       expect(page).to have_content("Proposal A Notification Body")
       expect(page).to have_content("Proposal B Notification Body")
+      expect(page).to have_link "Notifications"
     end
 
     scenario "#budget_investment_created" do

spec/system/emails_spec.rb

@@ -303,7 +303,7 @@ describe "Emails" do
       expect(email).to have_body_text(proposal2.author.name)
 
       expect(email).not_to have_body_text(proposal3.title)
-      expect(email).to have_body_text(/#{account_path}/)
+      expect(email).to have_body_text(edit_subscriptions_path(token: user.subscriptions_token))
       expect(email).to have_body_text("Visit this proposal and unfollow it to stop receiving notifications.")
 
       notification1.reload