add Railtie

lib/rgcm.rb

@@ -8,6 +8,7 @@
 require 'rgcm/request_builder'
 require 'rgcm/message'
 require 'rgcm/version'
+require 'rgcm/railtie' if defined?(Rails)
 
 module Rgcm
 

lib/rgcm/config.rb

@@ -3,8 +3,12 @@ class Config
 
     URI = 'https://android.googleapis.com/gcm/send'.freeze
 
+    class << self
+      attr_writer :config
+    end
+
     def self.api_key
-      ''
+      @config['api_key']
     end
   end
 end

lib/rgcm/railtie.rb

@@ -0,0 +1,15 @@
+module Rgcm
+  class Railtie < Rails::Railtie
+
+    initializer 'setup rgcm' do
+      config_file = Rails.root.join('config', 'rgcm.yml')
+      if config_file.file?
+        Rgcm::Config.config = YAML.load(ERB.new(config_file.read).result)[Rails.env]
+      end
+      config.after_initialize do
+        puts "\nRgcm config not found. Create a config file at: config/rgcm.yml" unless config_file.file?
+      end
+    end
+
+  end
+end