Fix challenges order

app/controllers/challenges_controller.rb

@@ -3,7 +3,7 @@ class ChallengesController < ApplicationController
 
   def index
     @challenges = if admin?
-      Challenge.in_reverse_chronological_order
+      Challenge.in_chronological_order
     else
       Challenge.visible
     end

app/models/challenge.rb

@@ -5,12 +5,12 @@ class Challenge < ActiveRecord::Base
   has_many :solutions, class_name: 'ChallengeSolution'
 
   class << self
-    def in_reverse_chronological_order
-      order('created_at DESC')
+    def in_chronological_order
+      order('created_at ASC')
     end
 
     def visible
-      where(hidden: false).in_reverse_chronological_order
+      where(hidden: false).in_chronological_order
     end
 
     def find_with_solutions_and_users(challenge_id)

spec/controllers/challenges_controller_spec.rb

@@ -22,7 +22,7 @@
 
     it "assigns all challenges for admins" do
       current_user.stub admin?: true
-      Challenge.stub in_reverse_chronological_order: 'challenges'
+      Challenge.stub in_chronological_order: 'challenges'
 
       get :index
 

spec/models/challenge_spec.rb

@@ -9,17 +9,17 @@
     create(:challenge, closes_at: 1.day.ago).should be_closed
   end
 
-  it "can fetch all records, sorted in reverse chronological order" do
-    second = create :challenge, created_at: 2.days.ago
-    first  = create :challenge, created_at: 1.day.ago
+  it "can fetch all records, sorted in chronological order" do
+    first  = create :challenge, created_at: 2.days.ago
+    second = create :challenge, created_at: 1.day.ago
 
-    Challenge.in_reverse_chronological_order.should eq [first, second]
+    Challenge.in_chronological_order.should eq [first, second]
   end
 
-  it "can fetch all visible records, sorted in reverse chronological order" do
-    second = create :visible_challenge, created_at: 3.days.ago
+  it "can fetch all visible records, sorted in chronological order" do
+    first  = create :visible_challenge, created_at: 3.days.ago
     create :hidden_challenge, created_at: 2.days.ago
-    first  = create :visible_challenge, created_at: 1.day.ago
+    second = create :visible_challenge, created_at: 1.day.ago
 
     Challenge.visible.should eq [first, second]
   end