From 05837afd72625cadb1fbe0d83c552393ca975c98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juanjo=20Baz=C3=A1n?= <jjbazan@gmail.com>
Date: Mon, 25 Jan 2016 13:45:15 +0100
Subject: [PATCH] adds #feature_flag? to Setting

---
 app/models/setting.rb       |  4 ++++
 spec/models/setting_spec.rb | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/app/models/setting.rb b/app/models/setting.rb
index b6df3daef..2d7d8d43c 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -3,6 +3,10 @@ class Setting < ActiveRecord::Base
 
   default_scope { order(id: :asc) }
 
+  def feature_flag?
+    key.start_with?('feature.')
+  end
+
   class << self
     def [](key)
       where(key: key).pluck(:value).first.presence
diff --git a/spec/models/setting_spec.rb b/spec/models/setting_spec.rb
index 1344b0c7d..99234de95 100644
--- a/spec/models/setting_spec.rb
+++ b/spec/models/setting_spec.rb
@@ -16,4 +16,16 @@ describe Setting do
   it "should persist a setting on the db" do
     expect(Setting.where(key: 'official_level_1_name', value: 'Stormtrooper')).to exist
   end
+
+  describe "#feature_flag?" do
+    it "should be true if key starts with 'feature.'" do
+      setting = Setting.create(key: 'feature.whatever')
+      expect(setting.feature_flag?).to eq true
+    end
+
+    it "should be false if key does not start with 'feature.'" do
+      setting = Setting.create(key: 'whatever')
+      expect(setting.feature_flag?).to eq false
+    end
+  end
 end