Merge pull request #312 from splendeo/current_user_liquid_extensions

current_user liquid extension

app/models/extensions/page/parse.rb

@@ -108,4 +108,4 @@ module Extensions
 
     end
   end
-end
+end

lib/locomotive/liquid/drops/current_user.rb

@@ -0,0 +1,26 @@
+module Locomotive
+  module Liquid
+    module Drops
+      class CurrentUser < Base
+
+        include ::Rails.application.routes.url_helpers
+
+        def logged_in?
+          _source.present?
+        end
+        def name
+          _source.name if logged_in?
+        end
+        def email
+          _source.email if logged_in?
+        end
+        def logout_path
+          destroy_admin_session_path
+        end
+        def login_path
+          new_admin_session_path
+        end
+      end
+    end
+  end
+end

lib/locomotive/render.rb

@@ -68,7 +68,8 @@ module Locomotive
           'path'              => request.path,
           'url'               => request.url,
           'now'               => Time.now.utc,
-          'today'             => Date.today
+          'today'             => Date.today,
+          'current_user'      => Locomotive::Liquid::Drops::CurrentUser.new(current_admin)
         }
 
         assigns.merge!(Locomotive.config.context_assign_extensions)
@@ -122,4 +123,4 @@ module Locomotive
     end
 
   end
-end
+end

spec/lib/locomotive/liquid/drops/current_user_spec.rb

@@ -0,0 +1,63 @@
+require 'spec_helper'
+
+describe Locomotive::Liquid::Drops::CurrentUser do
+
+  before(:each) do
+    @page = FactoryGirl.build(:sub_page)
+
+    @site = @page.site
+    @site.pages.expects(:any_in).returns([@page])
+
+    @controller = Locomotive::TestController.new
+    @controller.stubs(:flash).returns(ActionDispatch::Flash::FlashHash.new())
+    @controller.stubs(:params).returns(:url => '/subpage')
+    @controller.stubs(:request).returns(OpenStruct.new(:url => '/subpage', :fullpath => '/subpage'))
+    @controller.current_site = @site
+
+    @admin = FactoryGirl.build(:admin).account
+  end
+
+  def expect_render(template, text)
+    @page.raw_template = template
+    @page.send(:serialize_template)
+    @controller.expects(:render).with(:text => text, :layout => false, :status => :ok).returns(true)
+    @controller.send(:render_locomotive_page)
+  end
+
+  context '#logged_in?' do
+    it 'returns false  when no user is logged in' do
+      expect_render('{{ current_user.logged_in? }}', 'false')
+    end
+    it 'returns true  when there is a user logged in' do
+      @controller.expects(:current_admin).twice.returns(true)
+      expect_render('{{ current_user.logged_in? }}', 'true')
+    end
+  end
+
+  context '#name' do
+    it 'returns nothing when no user is logged in' do
+      expect_render('{{ current_user.name }}', '')
+    end
+    it 'returns the username when the user is logged in' do
+      @controller.expects(:current_admin).twice.returns(@admin)
+      expect_render('{{ current_user.name }}', 'Admin')
+    end
+  end
+
+  context '#email' do
+    it 'returns nothing when no user is logged in' do
+      expect_render('{{ current_user.email }}', '')
+    end
+    it 'returns the username when the user is logged in' do
+      @controller.expects(:current_admin).twice.returns(@admin)
+      expect_render('{{ current_user.email }}', 'admin@locomotiveapp.org')
+    end
+  end
+
+  context '#logout_path' do
+    it 'returns the logout url' do
+      expect_render('{{ current_user.logout_path }}', '/admin/sign_out')
+    end
+  end
+
+end