From 3ad931ca9211d2ca0f345f97db00193ee5533dfd Mon Sep 17 00:00:00 2001
From: Robert Speicher <rspeicher@gmail.com>
Date: Tue, 25 Sep 2012 19:22:44 -0400
Subject: [PATCH] Add current_controller? helper method

Simplifies some of the "active tab" checks we're doing
---
 app/helpers/application_helper.rb       | 11 +++++++++++
 spec/helpers/application_helper_spec.rb | 14 ++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index d90fb32f30f..505f6067c59 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,6 +1,17 @@
 require 'digest/md5'
 module ApplicationHelper
 
+  # Check if a particular controller is the current one
+  #
+  # Examples
+  #
+  #   # On TreeController
+  #   current_controller?(:tree)    # => true
+  #   current_controller?(:commits) # => false
+  def current_controller?(name)
+    controller.controller_name == name.to_s.downcase
+  end
+
   def gravatar_icon(user_email = '', size = 40)
     if Gitlab.config.disable_gravatar? || user_email.blank?
       'no_avatar.png'
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index 9a2df31479c..10250c93883 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -1,6 +1,20 @@
 require 'spec_helper'
 
 describe ApplicationHelper do
+  describe 'current_controller?' do
+    before do
+      controller.stub!(:controller_name).and_return('foo')
+    end
+
+    it "returns true when controller matches argument" do
+      current_controller?(:foo).should be_true
+    end
+
+    it "returns false when controller does not match argument" do
+      current_controller?(:bar).should_not be_true
+    end
+  end
+
   describe "gravatar_icon" do
     let(:user_email) { 'user@email.com' }