Add helper function for auto_complete

app/helpers/additionals_query_helper.rb

@@ -1,4 +1,17 @@
 module AdditionalsQueryHelper
+  def additionals_select2_search_users(where_filter = '', where_params = {})
+    q = params[:q].to_s.strip
+    exclude_id = params[:user_id].to_i
+    scope = User.active.where(type: 'User')
+    scope = scope.where.not(id: exclude_id) if exclude_id > 0
+    scope = scope.where(where_filter, where_params) if where_filter.present?
+    scope = scope.like(q) if q.present?
+    scope = scope.order(last_login_on: :desc)
+                 .limit(params[:limit] || Additionals::SELECT2_INIT_ENTRIES)
+    @users = scope.to_a.sort! { |x, y| x.name <=> y.name }
+    render layout: false, partial: 'users'
+  end
+
   def query_to_xls(items, query, options = {})
     require 'spreadsheet'
     Spreadsheet.client_encoding = options[:encoding].presence || 'UTF-8'

app/views/auto_completes/_users.html.erb

@@ -0,0 +1,9 @@
+<%= raw @users.map { |user| {
+      'id' => user.id,
+      'text' => user.name,
+      'name' => user.name,
+      'name_with_icon' => user_with_avatar(user, no_link: true),
+      'value' => user.id
+      }
+    }.to_json
+%>

test/unit/additionals_fontawesome_test.rb

@@ -1,6 +1,6 @@
 require File.expand_path('../../test_helper', __FILE__)
 
-class AdditionalsFontAwesomeTest < ActiveSupport::TestCase
+class AdditionalsFontAwesomeTest < Redmine::HelperTest
   fixtures :projects, :users, :members, :member_roles, :roles,
            :trackers, :projects_trackers,
            :enabled_modules,

test/unit/helpers/global_helper_test.rb

@@ -1,6 +1,6 @@
 require File.expand_path('../../../test_helper', __FILE__)
 
-class GlobalHelperTest < ActionView::TestCase
+class GlobalHelperTest < Redmine::HelperTest
   include ApplicationHelper
   include Additionals::Helpers
   include CustomFieldsHelper

test/unit/i18n_test.rb

@@ -1,7 +1,7 @@
 require File.expand_path('../../test_helper', __FILE__)
 
 module Redmine
-  class I18nTest < ActiveSupport::TestCase
+  class I18nTest < Redmine::HelperTest
     include Redmine::I18n
 
     def setup

test/unit/issue_test.rb

@@ -1,6 +1,6 @@
 require File.expand_path('../../test_helper', __FILE__)
 
-class IssueTest < ActiveSupport::TestCase
+class IssueTest < Redmine::HelperTest
   fixtures :projects, :users, :members, :member_roles, :roles,
            :trackers, :projects_trackers,
            :enabled_modules,

test/unit/time_entry_test.rb

@@ -1,6 +1,6 @@
 require File.expand_path('../../test_helper', __FILE__)
 
-class TimeEntryTest < ActiveSupport::TestCase
+class TimeEntryTest < Redmine::HelperTest
   fixtures :issues, :projects, :users, :time_entries,
            :members, :roles, :member_roles,
            :trackers, :issue_statuses,

test/unit/watcher_test.rb

@@ -1,6 +1,6 @@
 require File.expand_path('../../test_helper', __FILE__)
 
-class WatcherTest < ActiveSupport::TestCase
+class WatcherTest < Redmine::HelperTest
   fixtures :projects, :users, :email_addresses, :members, :member_roles, :roles, :enabled_modules,
            :issues, :issue_statuses, :enumerations, :trackers, :projects_trackers,
            :boards, :messages,