Sort projects in search autocomplete by amount of stars. Most popular go first

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CHANGELOG

@@ -4,6 +4,7 @@ v 7.4.0
   - Improve error reporting on users API (Julien Bianchi)
   - Refactor test coverage tools usage. Use SIMPLECOV=true to generate it locally
   - Increase unicorn timeout to 60 seconds
+  - Sort search autocomplete projects by stars count so most popular go first
 v 7.3.1
   - Fix ref parsing in Gitlab::GitAccess

app/helpers/search_helper.rb

@@ -80,7 +80,8 @@ module SearchHelper
   # Autocomplete results for the current user's projects
   def projects_autocomplete(term, limit = 5)
-    ProjectsFinder.new.execute(current_user).search_by_title(term).non_archived.limit(limit).map do |p|
+    ProjectsFinder.new.execute(current_user).search_by_title(term).
+      sorted_by_stars.non_archived.limit(limit).map do |p|
       {
         label: "project: #{search_result_sanitize(p.name_with_namespace)}",
         url: project_path(p)

app/models/project.rb

@@ -122,6 +122,7 @@ class Project < ActiveRecord::Base
   scope :in_namespace, ->(namespace) { where(namespace_id: namespace.id) }
   scope :in_group_namespace, -> { joins(:group) }
   scope :sorted_by_activity, -> { reorder("projects.last_activity_at DESC") }
+  scope :sorted_by_stars, -> { reorder("projects.star_count DESC") }
   scope :personal, ->(user) { where(namespace_id: user.namespace_id) }
   scope :joined, ->(user) { where("namespace_id != ?", user.namespace_id) }
   scope :public_only, -> { where(visibility_level: Project::PUBLIC) }