Move browserconfig.xml and manifest.json to actions

The application manifest files need to be generated with asset urls
so it's simplest to just make them into Rails actions.

Gemfile

@@ -34,6 +34,7 @@ gem 'dalli'
 gem 'connection_pool'
 gem 'lograge'
 gem 'logstash-logger'
+gem 'jbuilder'
 
 group :development, :test do
   gem 'rspec-rails'

Gemfile.lock

@@ -132,6 +132,9 @@ GEM
       phantomjs (>= 1.9)
       railties (>= 3.2.0)
       sprockets-rails
+    jbuilder (2.3.1)
+      activesupport (>= 3.0.0, < 5)
+      multi_json (~> 1.2)
     jmespath (1.0.2)
       multi_json (~> 1.0)
     jquery-rails (4.0.4)
@@ -305,6 +308,7 @@ DEPENDENCIES
   faraday
   faraday_middleware
   jasmine-rails
+  jbuilder
   jquery-rails
   json
   launchy

app/controllers/pages_controller.rb

@@ -4,4 +4,13 @@ def index
 
   def help
   end
+
+  def privacy
+  end
+
+  def browserconfig
+  end
+
+  def manifest
+  end
 end

app/views/pages/browserconfig.xml.builder

@@ -0,0 +1,14 @@
+cache :browserconfig, expires_in: 5.minutes do
+  xml.instruct! :xml, version: "1.0"
+  xml.browserconfig do
+    xml.msapplication do
+      xml.tile do
+        xml.square70x70logo src: path_to_image('os-social/windows/tiny.png')
+        xml.square150x150logo src: path_to_image('os-social/windows/square.png')
+        xml.wide310x150logo src: path_to_image('os-social/windows/wide.png')
+        xml.square310x310logo src: path_to_image('os-social/windows/large.png')
+        xml.TileColor "#008800"
+      end
+    end
+  end
+end

app/views/pages/manifest.json.jbuilder

@@ -0,0 +1,50 @@
+json.cache! :manifest, expires_in: 5.minutes do
+  json.name "Petitions"
+  json.display "standalone"
+  json.orientation "portrait"
+  json.start_url "/"
+
+  json.icons do
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-0-75x.png")
+      json.sizes    "36x36"
+      json.type     "image/png"
+      json.density  "0.75"
+    end
+
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-1x.png")
+      json.sizes    "48x48"
+      json.type     "image/png"
+      json.density  "1.0"
+    end
+
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-1-5x.png")
+      json.sizes    "72x72"
+      json.type     "image/png"
+      json.density  "1.5"
+    end
+
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-2x.png")
+      json.sizes    "96x96"
+      json.type     "image/png"
+      json.density  "2.0"
+    end
+
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-3x.png")
+      json.sizes    "144x144"
+      json.type     "image/png"
+      json.density  "3.0"
+    end
+
+    json.child! do
+      json.src      path_to_image("os-social/android/launcher-icon-4x.png")
+      json.sizes    "192x192"
+      json.type     "image/png"
+      json.density  "4.0"
+    end
+  end
+end

config/routes.rb

@@ -3,7 +3,8 @@
     get '/' => 'pages#index', :as => :home
     get 'help' => 'pages#help', :as => :help
     get 'privacy' => 'pages#privacy', :as => :privacy
-
+    get 'browserconfig' => 'pages#browserconfig', format: 'xml'
+    get 'manifest' => 'pages#manifest', format: 'json'
 
     get 'feedback' => 'feedback#index', :as => 'feedback'
     get 'feedback/thanks' => 'feedback#thanks', :as => 'thanks_feedback'