Add offer_unsupscription parameter to emails

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/web/email/email.ex

@@ -20,6 +20,7 @@ defmodule Mobilizon.Web.Email do
     |> maybe_put_message_id()
     |> assign(:jsonLDMetadata, nil)
     |> assign(:instance_name, Config.instance_name())
+    |> assign(:offer_unsupscription, true)
     |> put_html_layout({EmailView, "email.html"})
     |> put_text_layout({EmailView, "email.text"})
   end

lib/web/email/user.ex

@@ -34,6 +34,7 @@ defmodule Mobilizon.Web.Email.User do
     |> assign(:locale, locale)
     |> assign(:token, confirmation_token)
     |> assign(:subject, subject)
+    |> assign(:offer_unsupscription, false)
     |> render(:registration_confirmation)
   end
 
@@ -54,6 +55,7 @@ defmodule Mobilizon.Web.Email.User do
     |> assign(:locale, locale)
     |> assign(:token, reset_password_token)
     |> assign(:subject, subject)
+    |> assign(:offer_unsupscription, false)
     |> render(:password_reset)
   end
 
@@ -161,6 +163,7 @@ defmodule Mobilizon.Web.Email.User do
     |> assign(:locale, user_locale)
     |> assign(:subject, subject)
     |> assign(:new_email, unconfirmed_email)
+    |> assign(:offer_unsupscription, false)
     |> render(:email_changed_old)
   end
 
@@ -181,6 +184,7 @@ defmodule Mobilizon.Web.Email.User do
     |> assign(:locale, user_locale)
     |> assign(:subject, subject)
     |> assign(:token, confirmation_token)
+    |> assign(:offer_unsupscription, false)
     |> render(:email_changed_new)
   end
 

lib/web/templates/email/email.html.heex

@@ -145,6 +145,11 @@
             <tr>
               <td bgcolor="#ECEBF2" align="center" style="padding: 30px 30px 30px 30px; color: #474467; font-family: 'Roboto', Helvetica, Arial, sans-serif; font-size: 14px; font-weight: 400; line-height: 18px;" >
                 <p style="margin: 0;">
+                  <%= if @offer_unsupscription do %>
+                    <a href={"#{Mobilizon.Web.Endpoint.url()}/settings/notifications"}>
+                      <%= gettext("Manage your notification settings") %>
+                    </a>
+                  <% end %>
                   <%= gettext("<b>%{instance}</b> is powered by Mobilizon.", instance: @instance_name) |> raw %><br />
                   <a href="https://joinmobilizon.org"><%= gettext "Learn more about Mobilizon here!" %></a>
                 </p>