1 files changed, 42 insertions, 0 deletions
diff --git a/app/helpers/emails_helper.rb b/app/helpers/emails_helper.rb
new file mode 100644
index 00000000000..92cc9c426b8
--- /dev/null
+++ b/app/helpers/emails_helper.rb
@@ -0,0 +1,42 @@
+module EmailsHelper
+
+  # Google Actions
+  # https://developers.google.com/gmail/markup/reference/go-to-action
+  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
+      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
+
+  def add_email_highlight_css
+    Rugments::Themes::Github.render(scope: '.highlight')
+  end
+
+  def color_email_diff(diffcontent)
+    formatter = Rugments::Formatters::HTML.new(cssclass: 'highlight')
+    lexer = Rugments::Lexers::Diff.new
+    raw formatter.format(lexer.lex(diffcontent))
+  end
+end