An `in_namespace` scope is already present

app/controllers/admin/projects_controller.rb

@@ -5,7 +5,7 @@ class Admin::ProjectsController < Admin::ApplicationController
 
   def index
     @projects = Project.all
-    @projects = @projects.where(namespace_id: params[:namespace_id]) if params[:namespace_id].present?
+    @projects = @projects.in_namespace(params[:namespace_id]) if params[:namespace_id].present?
     @projects = @projects.where("visibility_level IN (?)", params[:visibility_levels]) if params[:visibility_levels].present?
     @projects = @projects.with_push if params[:with_push].present?
     @projects = @projects.abandoned if params[:abandoned].present?

app/models/project.rb

@@ -158,7 +158,7 @@ class Project < ActiveRecord::Base
   scope :without_user, ->(user)  { where('projects.id NOT IN (:ids)', ids: user.authorized_projects.map(&:id) ) }
   scope :without_team, ->(team) { team.projects.present? ? where('projects.id NOT IN (:ids)', ids: team.projects.map(&:id)) : scoped  }
   scope :not_in_group, ->(group) { where('projects.id NOT IN (:ids)', ids: group.project_ids ) }
-  scope :in_namespace, ->(namespace) { where(namespace_id: namespace.id) }
+  scope :in_namespace, ->(namespace_ids) { where(namespace_id: namespace_ids) }
   scope :in_group_namespace, -> { joins(:group) }
   scope :personal, ->(user) { where(namespace_id: user.namespace_id) }
   scope :joined, ->(user) { where('namespace_id != ?', user.namespace_id) }

app/models/user.rb

@@ -352,9 +352,11 @@ class User < ActiveRecord::Base
   end
 
   def owned_projects
-    @owned_projects ||= begin
-                          Project.where(namespace_id: owned_groups.pluck(:id).push(namespace.id)).joins(:namespace)
-                        end
+    @owned_projects ||=
+      begin
+        namespace_ids = owned_groups.pluck(:id).push(namespace.id)
+        Project.in_namespace(namespace_ids).joins(:namespace)
+      end
   end
 
   # Team membership in authorized projects

app/services/search/global_service.rb

@@ -9,7 +9,7 @@ module Search
     def execute
       group = Group.find_by(id: params[:group_id]) if params[:group_id].present?
       projects = ProjectsFinder.new.execute(current_user)
-      projects = projects.where(namespace_id: group.id) if group
+      projects = projects.in_namespace(group.id) if group
       project_ids = projects.pluck(:id)
 
       Gitlab::SearchResults.new(project_ids, params[:search])

lib/tasks/gitlab/cleanup.rake

@@ -51,7 +51,7 @@ namespace :gitlab do
       git_base_path = Gitlab.config.gitlab_shell.repos_path
       all_dirs = Dir.glob(git_base_path + '/*')
 
-      global_projects = Project.where(namespace_id: nil).pluck(:path)
+      global_projects = Project.in_namespace(nil).pluck(:path)
 
       puts git_base_path.yellow
       puts "Looking for global repos to remove... "

lib/tasks/gitlab/web_hook.rake

@@ -51,11 +51,11 @@ namespace :gitlab do
     if namespace_path.blank?
       Project
     elsif namespace_path == '/'
-      Project.where(namespace_id: nil)
+      Project.in_namespace(nil)
     else
       namespace = Namespace.where(path: namespace_path).first
       if namespace
-        Project.where(namespace_id: namespace.id)
+        Project.in_namespace(namespace.id)
       else
         puts "Namespace not found: #{namespace_path}".red
         exit 2