From 4d345bc4003022ca22b5e7f42069c5a6bde41b6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rub=C3=A9n=20D=C3=A1vila?= <rdavila84@gmail.com>
Date: Wed, 20 Jan 2016 17:29:53 -0500
Subject: [PATCH] Remember last sort option used.

---
 app/controllers/application_controller.rb | 22 +++++++++++++++++++++-
 app/models/concerns/cookie_helpers.rb     |  5 +++++
 app/models/group.rb                       |  3 ++-
 app/models/project.rb                     |  1 +
 app/models/user.rb                        |  1 +
 5 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 app/models/concerns/cookie_helpers.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 633c3f55614..4c4e2ac3d3c 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -297,7 +297,8 @@ class ApplicationController < ActionController::Base
   end
 
   def set_filters_params
-    params[:sort] ||= 'id_desc'
+    set_default_sort
+
     params[:scope] = 'all' if params[:scope].blank?
     params[:state] = 'opened' if params[:state].blank?
 
@@ -404,4 +405,23 @@ class ApplicationController < ActionController::Base
 
     current_user.nil? && root_path == request.path
   end
+
+  private
+
+  def set_default_sort
+    controller_name = params[:controller].sub(/Controller\Z/, '').underscore
+    cookie_suffix = "_sort_#{controller_name}"
+
+    key = if @project
+            "#{@project.cookie_key}#{cookie_suffix}"
+          elsif @group
+            "#{@group.cookie_key}#{cookie_suffix}"
+          else
+            "#{current_user.cookie_key}#{cookie_suffix}"
+          end
+
+    cookies[key] ||= 'id_desc'
+    cookies[key] = params[:sort] if params[:sort].present?
+    params[:sort] = cookies[key]
+  end
 end
diff --git a/app/models/concerns/cookie_helpers.rb b/app/models/concerns/cookie_helpers.rb
new file mode 100644
index 00000000000..1c8d43a4661
--- /dev/null
+++ b/app/models/concerns/cookie_helpers.rb
@@ -0,0 +1,5 @@
+module CookieHelpers
+  def cookie_key
+    "#{model_name.singular}_#{id}"
+  end
+end
diff --git a/app/models/group.rb b/app/models/group.rb
index 5a31b46920c..3ba18b85193 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -19,7 +19,8 @@ require 'file_size_validator'
 class Group < Namespace
   include Gitlab::ConfigHelper
   include Referable
-  
+  include CookieHelpers
+
   has_many :group_members, dependent: :destroy, as: :source, class_name: 'GroupMember'
   alias_method :members, :group_members
   has_many :users, through: :group_members
diff --git a/app/models/project.rb b/app/models/project.rb
index 5579710a476..5ba7532c61a 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -51,6 +51,7 @@ class Project < ActiveRecord::Base
   include AfterCommitQueue
   include CaseSensitivity
   include TokenAuthenticatable
+  include CookieHelpers
 
   extend Gitlab::ConfigHelper
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 4214f01f6a4..c24f8a35380 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -73,6 +73,7 @@ class User < ActiveRecord::Base
   include Sortable
   include CaseSensitivity
   include TokenAuthenticatable
+  include CookieHelpers
 
   add_authentication_token_field :authentication_token