1 files changed, 47 insertions, 0 deletions
diff --git a/lib/gitlab/favicon.rb b/lib/gitlab/favicon.rb
new file mode 100644
index 00000000000..451c9daf761
--- /dev/null
+++ b/lib/gitlab/favicon.rb
@@ -0,0 +1,47 @@
+module Gitlab
+  class Favicon
+    class << self
+      def main
+        return appearance_favicon.favicon_main.url if appearance_favicon.exists?
+
+        image_name =
+          if Gitlab::Utils.to_boolean(ENV['CANARY'])
+            'favicon-yellow.png'
+          elsif Rails.env.development?
+            'favicon-blue.png'
+          else
+            'favicon.png'
+          end
+
+        ActionController::Base.helpers.image_path(image_name)
+      end
+
+      def status_overlay(status_name)
+        path = File.join(
+          'ci_favicons',
+          "#{status_name}.png"
+        )
+
+        ActionController::Base.helpers.image_path(path)
+      end
+
+      def available_status_names
+        @available_status_names ||= begin
+          Dir.glob(Rails.root.join('app', 'assets', 'images', 'ci_favicons', '*.png'))
+            .map { |file| File.basename(file, '.png') }
+            .sort
+        end
+      end
+
+      private
+
+      def appearance
+        RequestStore.store[:appearance] ||= (Appearance.current || Appearance.new)
+      end
+
+      def appearance_favicon
+        appearance.favicon
+      end
+    end
+  end
+end