created gem added some classes

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

Gemfile

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+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in ress.gemspec
+gemspec

LICENSE.txt

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+Copyright (c) 2013 Matthew Robertson
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Ress
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'ress'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install ress
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request

Rakefile

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+require "bundler/gem_tasks"

lib/ress.rb

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+require "ress/version"
+require "ress/device_category"
+
+module Ress
+
+  @@categories = []
+
+  def self.register_category(options)
+    category = DeviceCategory.new(options.delete(:name), options.delete(:media_type), options)
+    @@categories << category
+  end
+
+  def self.categories
+    @@categories
+  end
+end

lib/ress/controller_additions.rb

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+module Ress
+
+  # This module is automatically included into all controllers.
+  module ControllerAdditions
+    module ClassMethods
+      # class methods go here
+    end
+
+    def self.included(base)
+      base.extend ClassMethods
+      # base.helper_method :can?, :cannot?, :current_ability
+      base.before_filter :prepend_category_view_path
+    end
+
+    def prepend_category_view_path
+      Ress.categories.each do |cat|
+        prepend_view_path(cat.view_path) if cat.matches?(request.subdomain)
+      end
+    end
+
+  end
+end
+
+if defined? ActionController::Base
+  ActionController::Base.class_eval do
+    include CanCan::ControllerAdditions
+  end
+end

lib/ress/device_category.rb

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+module Ress
+
+  class DeviceCategory
+
+    attr_reader :name, :subdomain, :view_path
+
+    def initialize(name, media_query,  options = {})
+      @name        = name
+      @media_query = media_query
+      @subdomain   = options.fetch(:subdomain, name)
+      @view_path   = options.fetch(:view_path, default_view_path)
+    end
+
+    def matches?(subdomain)
+      self.subdomain == subdomain.split('.').first
+    end
+
+    private
+
+      def default_view_path
+        name
+      end
+
+  end
+
+end

lib/ress/version.rb

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+module Ress
+  VERSION = "0.0.1"
+end

ress.gemspec

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+# -*- encoding: utf-8 -*-
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'ress/version'
+
+Gem::Specification.new do |gem|
+  gem.name          = "ress"
+  gem.version       = Ress::VERSION
+  gem.authors       = ["Matthew Robertson"]
+  gem.email         = ["matthewrobertson03@gmail.com"]
+  gem.description   = %q{TODO: Write a gem description}
+  gem.summary       = %q{TODO: Write a gem summary}
+  gem.homepage      = ""
+
+  gem.files         = `git ls-files`.split($/)
+  gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
+  gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
+  gem.require_paths = ["lib"]
+
+  gem.add_development_dependency("rspec")
+end

spec/ress/controller_additions_spec.rb

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+require_relative '../../lib/ress/controller_additions'
+
+class ActionControllerStub
+
+  attr_accessor :request
+
+  def self.before_filter(action)
+    @@action = action
+  end
+
+  def self.action
+    @@action
+  end
+
+end
+
+ActionControllerStub.class_eval do
+  include Ress::ControllerAdditions
+end
+
+describe Ress::ControllerAdditions do
+
+  it 'adds a before_filter to all actions when it is included' do
+    ActionControllerStub.action.should == :prepend_category_view_path
+  end
+
+  describe '#prepend_category_view_path' do
+
+    let(:controller) { ActionControllerStub.new }
+
+    before do
+      request = stub('request', :subdomain => 'foo')
+      controller.request = request
+    end
+
+    it 'prepends view paths of matching categories' do
+      category = stub('category', :matches? => true, :view_path => 'foo/bar')
+      Ress.stub(:categories => [category])
+
+      controller.should_receive(:prepend_view_path).with('foo/bar')
+      controller.prepend_category_view_path
+    end
+
+    it 'does not prepend view paths of categories that dont match' do
+      category = stub('category', :matches? => false, :view_path => 'foo/bar')
+      Ress.stub(:categories => [category])
+
+      controller.should_not_receive(:prepend_view_path)
+      controller.prepend_category_view_path
+    end
+
+  end
+
+end

spec/ress/device_category_spec.rb

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+require_relative '../../lib/ress/device_category'
+
+describe Ress::DeviceCategory do
+
+  describe '#subdomain' do
+
+    it 'defaults to the name of the category' do
+      category = Ress::DeviceCategory.new('mobile', 'some media query')
+      category.subdomain.should == 'mobile'
+    end
+
+    it 'can be overridden by an optional parameter' do
+      category = Ress::DeviceCategory.new('mobile', 'some media query', :subdomain => 'foo')
+      category.subdomain.should == 'foo'
+    end
+
+  end
+
+  describe '#view_path' do
+
+    it 'defaults to something'
+
+    it 'can be overridden by an optional parameter' do
+      category = Ress::DeviceCategory.new('mobile', 'some media query', :view_path => 'foo')
+      category.view_path.should == 'foo'
+    end
+
+  end
+
+  describe '#matches?' do
+
+    let(:category) { Ress::DeviceCategory.new('mobile', 'some media query', :subdomain => 'foo') }
+
+    it 'returns true if the subdomain matches' do
+      category.matches?('foo').should be_true
+    end
+
+    it 'returns false if the subdomain does not match' do
+      category.matches?('bar').should be_false
+    end
+
+    context 'when there are multiple subdomains' do
+
+      it 'returns true if the first subdomain matches' do
+        category.matches?('foo.bar').should be_true
+      end
+
+      it 'returns false if the first subdomain does not match' do
+        category.matches?('bar.baz').should be_false
+      end
+
+    end
+
+  end
+
+end

spec/ress_spec.rb

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+require_relative '../lib/ress'
+
+describe Ress do
+
+  describe '.configure' do
+
+    it 'yeilds Ress'
+
+  end
+
+  describe '.register_category' do
+
+    it 'adds a category to list' do
+      expect {
+        Ress.register_category({:name => 'stuff', :media_query => 'foo'})
+      }.to change { Ress.categories.count }.by(1)
+    end
+
+    it 'sets the name and media_query of the category' do
+      Ress.register_category({:name => 'stuff', :media_query => 'foo'})
+      Ress.categories.last.name.should == 'stuff'
+    end
+
+    it 'passes options tot he category' do
+      Ress.register_category({:name => 'stuff', :media_query => 'foo', :subdomain => 'm'})
+      Ress.categories.last.subdomain.should == 'm'
+    end
+
+  end
+
+end