From 529b8eb71023fde621effee07f967ba29c09cb00 Mon Sep 17 00:00:00 2001
From: divyanshumehta <divyanshumehta@outlook.com>
Date: Sat, 11 Feb 2017 16:45:27 +0530
Subject: [PATCH] Solved Issue 1259

---
 app/controllers/conferences_controller.rb |  7 ++++++-
 app/models/ability.rb                     |  2 +-
 config/routes.rb                          |  5 ++++-
 lib/root_route_constraint.rb              | 10 ++++++++++
 4 files changed, 21 insertions(+), 3 deletions(-)
 create mode 100644 lib/root_route_constraint.rb

diff --git a/app/controllers/conferences_controller.rb b/app/controllers/conferences_controller.rb
index 53e5bd6d..5a502f94 100644
--- a/app/controllers/conferences_controller.rb
+++ b/app/controllers/conferences_controller.rb
@@ -2,7 +2,7 @@ class ConferencesController < ApplicationController
   protect_from_forgery with: :null_session
   before_action :respond_to_options
   load_and_authorize_resource find_by: :short_title
-  load_resource :program, through: :conference, singleton: true, except: :index
+  load_resource :program, through: :conference, singleton: true, except: [:index, :current]
 
   def index
     @current = Conference.where('end_date >= ?', Date.current).reorder(start_date: :asc)
@@ -11,6 +11,11 @@ class ConferencesController < ApplicationController
 
   def show; end
 
+  def current
+    current = Conference.first
+    redirect_to conference_path(current.short_title)
+  end
+
   private
 
   def respond_to_options
diff --git a/app/models/ability.rb b/app/models/ability.rb
index 14913e75..ca979c94 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -29,7 +29,7 @@ class Ability
 
   # Abilities for not signed in users (guests)
   def not_signed_in
-    can [:index], Conference
+    can [:index, :current], Conference
     can [:show], Conference do |conference|
       conference.splashpage && conference.splashpage.public == true
     end
diff --git a/config/routes.rb b/config/routes.rb
index 9fa1c29a..3e88876e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,3 +1,4 @@
+require "root_route_constraint"
 Osem::Application.routes.draw do
 
   if ENV['OSEM_ICHAIN_ENABLED'] == 'true'
@@ -147,6 +148,8 @@ Osem::Application.routes.draw do
   end
 
   get '/admin' => redirect('/admin/conferences')
-
+  constraints RootRouteConstraint.new do
+    get '/' => 'conferences#current'
+  end
   root to: 'conferences#index', via: [:get, :options]
 end
diff --git a/lib/root_route_constraint.rb b/lib/root_route_constraint.rb
new file mode 100644
index 00000000..197fdffc
--- /dev/null
+++ b/lib/root_route_constraint.rb
@@ -0,0 +1,10 @@
+class RootRouteConstraint
+  def initialize
+    @current = Conference.where('end_date >= ?', Date.current).reorder(start_date: :asc)
+  end
+
+  def matches?(*)
+    return unless @current.present? && @current.first.splashpage.present?
+    @current.count == 1 && @current.first.splashpage.public?
+  end
+end