Set action on issue/mr creation mail.

app/helpers/emails_helper.rb

@@ -2,19 +2,31 @@ module EmailsHelper
   # Google Actions
   # https://developers.google.com/gmail/markup/reference/go-to-action
-  def email_action(options)
-    data = {
-      "@context" => "http://schema.org",
-      "@type" => "EmailMessage",
-      "action" => {
-        "@type" => "ViewAction",
-        "name" => options[:name],
-        "url" => options[:url],
+  def email_action(url)
+    name = action_title(url)
+    if name
+      data = {
+        "@context" => "http://schema.org",
+        "@type" => "EmailMessage",
+        "action" => {
+          "@type" => "ViewAction",
+          "name" => name,
+          "url" => url,
+          }
         }
-      }
-    content_tag :script, type: 'application/ld+json' do
-      data.to_json.html_safe
+      content_tag :script, type: 'application/ld+json' do
+        data.to_json.html_safe
+      end
+    end
+  end
+
+  def action_title(url)
+    return unless url
+    ["merge_requests", "issues", "commit"].each do |action|
+      if url.split("/").include?(action)
+        return "View #{action.humanize.singularize}"
+      end
     end
   end
 end

app/views/layouts/notify.html.haml

@@ -28,4 +28,4 @@
           You're receiving this notification because you are a member of the #{link_to_unless @target_url, @project.name_with_namespace, project_url(@project)} project team.
         - if @target_url
           #{link_to "View it on GitLab", @target_url}
-          = email_action name: "View #{@note.noteable_type.underscore.humanize}", url: @target_url
+          = email_action @target_url