Show a welcome page when the application doesn't have routes

hanami · Dec 17, 2014 · acc758f · acc758f
1 parent 8bb5fab
commit acc758f
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Showing 5 changed files with 107 additions and 2 deletions.
diff --git a/lib/lotus/middleware.rb b/lib/lotus/middleware.rb
@@ -32,7 +32,7 @@ def initialize(configuration)
     def load!(application, namespace)
       @namespace = namespace
       @builder = ::Rack::Builder.new
-      load_default_stack
+      load_default_stack(application)
       @stack.each { |m, args, block| @builder.use load_middleware(m), *args, &block }
       @builder.run application.routes
 
@@ -78,18 +78,25 @@ def load_middleware(middleware)
 
     # @api private
     # @since x.x.x
-    def load_default_stack
+    def load_default_stack(application)
       @default_stack_loaded ||= begin
         if @configuration.sessions.enabled?
           use(*@configuration.sessions.middleware)
         end
+
         if @configuration.serve_assets
           @configuration.assets.entries.each do |path, children|
             use Rack::Static, urls: children, root: path
           end
         end
 
         use Rack::MethodOverride
+
+        unless application.routes.defined?
+          require 'lotus/welcome'
+          use Lotus::Welcome
+        end
+
         true
       end
     end

diff --git a/lib/lotus/templates/welcome.html b/lib/lotus/templates/welcome.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Lotus &mdash; A complete web framework for Ruby</title>
+    <style>
+      * { margin: 0; padding: 0; }
+      body { font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; color: #333; background-color: #ecf0f1; font-size: 16px; line-height: 24px; }
+      h1, h2, h3 { margin: -20px; line-height: 100px; text-align: center; }
+      h1 { font-size: 60px; color: #551e54; }
+      h2 { font-size: 30px; }
+      h3 { font-size: 20px; line-height: 22px; color: #666; }
+      hr { margin: 2em; color: #ecf0f1; }
+      ul { text-align: center; }
+      li { display: inline; margin: 3em; line-height: 24px; list-style-type: none; vertical-align: text-top;}
+      a { color: #333; padding: 1px; }
+      #container { margin:0 auto; padding: 24px; width:700px; background-color:#fff; border: 1px solid #999; border-width: 0 1px 1px 1px; }
+      #content { margin: 30px 10px 0 10px; }
+      #footer { margin:0 auto 0; padding: 12px; width:700px; line-height: 24px; font-size: 12px; }
+      .bold { font-weight: bold; }
+    </style>
+  </head>
+  <body>
+    <div id="container">
+      <h1>Lotus</h1>
+      <hr />
+      <h2>A complete web framework for Ruby</h2>
+
+      <h3>Lotus is Open Source Software for MVC web development.<br />
+        It's simple, fast and lightweight.</h3>
+
+      <hr style="margin-top: 4em;"/>
+      <div id="content">
+        <ul>
+          <li><a href="http://lotusrb.org">Website</a></li>
+          <li><a href="http://www.rubydoc.info/gems/lotusrb">API docs</a></li>
+          <li><a href="https://github.com/lotus/lotus">Source code</a></li>
+          <li><a href="https://gitter.im/lotus/chat">Chat</a></li>
+        </ul>
+      </div>
+    </div>
+    <div id="footer">
+      &copy; 2014 Luca Guidi &mdash; Lotus is released under the MIT License.
+    </div>
+  </body>
+</html>
diff --git a/lib/lotus/welcome.rb b/lib/lotus/welcome.rb
@@ -0,0 +1,14 @@
+require 'pathname'
+
+module Lotus
+  class Welcome
+    def initialize(app)
+      @root = Pathname.new(__dir__).join('templates').realpath
+      @body = [@root.join('welcome.html').read]
+    end
+
+    def call(env)
+      [200, {}, @body]
+    end
+  end
+end
diff --git a/test/fixtures/welcome_app/application.rb b/test/fixtures/welcome_app/application.rb
@@ -0,0 +1,6 @@
+module WelcomeApp
+  class Application < Lotus::Application
+    configure do
+    end
+  end
+end
diff --git a/test/integration/welcome_page_test.rb b/test/integration/welcome_page_test.rb
@@ -0,0 +1,33 @@
+require 'test_helper'
+require 'rack/test'
+require 'fixtures/welcome_app/application'
+
+describe 'Welcome page' do
+  include Rack::Test::Methods
+
+  before do
+    @current_dir = Dir.pwd
+    Dir.chdir FIXTURES_ROOT.join('welcome')
+    @app = WelcomeApp::Application.new
+  end
+
+  after do
+    Dir.chdir @current_dir
+    @current_dir = nil
+  end
+
+  def app
+    @app
+  end
+
+  def response
+    last_response
+  end
+
+  it 'shows a welcome page when no routes were set' do
+    get '/'
+
+    response.status.must_equal 200
+    response.body.must_include %(Lotus)
+  end
+end