Refactor manifest import code

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

app/controllers/import/manifest_controller.rb

@@ -47,7 +47,7 @@ class Import::ManifestController < Import::BaseController
       project[:id] == params[:repo_id].to_i
     end
 
-    project = Gitlab::ManifestImport::Importer.new(repository, group, current_user).execute
+    project = Gitlab::ManifestImport::ProjectCreator.new(repository, group, current_user).execute
 
     if project.persisted?
       render json: ProjectSerializer.new.represent(project)

doc/user/project/import/manifest.md

@@ -10,7 +10,7 @@ You can do it by following next steps:
 1. Click on the **Manifest file** button
 1. Provide GitLab with a manifest xml file
 1. Select a group you want to import to (you need to create a group first if you don't have one)
-1. Click **Import projects** 
+1. Click **Continue to the next step** 
 1. You will be redirected to the import status page with projects list based on manifest file
 1. Check the list and click 'Import all repositories' to start import.
 

lib/gitlab/manifest_import/importer.rb → lib/gitlab/manifest_import/project_creator.rb

 module Gitlab
   module ManifestImport
-    class Importer
-      attr_reader :repository, :destination, :user
+    class ProjectCreator
+      attr_reader :repository, :destination, :current_user
 
-      def initialize(repository, destination, user)
+      def initialize(repository, destination, current_user)
         @repository = repository
         @destination = destination
-        @user = user
+        @current_user = current_user
       end
 
       def execute
-        import_project
-      end
-
-      private
-
-      def import_project
         group_full_path, _, project_path = repository[:path].rpartition('/')
         group_full_path = File.join(destination.full_path, group_full_path) if destination
         group = Group.find_by_full_path(group_full_path) ||
@@ -30,16 +24,18 @@ module Gitlab
           visibility_level: destination.visibility_level
         }
 
-        Projects::CreateService.new(user, params).execute
+        Projects::CreateService.new(current_user, params).execute
       end
 
+      private
+
       def create_group_with_parents(full_path)
         params = {
           group_path: full_path,
           visibility_level: destination.visibility_level
         }
 
-        Groups::NestedCreateService.new(user, params).execute
+        Groups::NestedCreateService.new(current_user, params).execute
       end
     end
   end

spec/lib/gitlab/import_sources_spec.rb

@@ -50,7 +50,6 @@ describe Gitlab::ImportSources do
           fogbugz
           gitlab_project
           gitea
-          manifest
         )
 
       expect(described_class.importer_names).to eq(expected)
@@ -67,7 +66,7 @@ describe Gitlab::ImportSources do
       'git' => nil,
       'gitlab_project' => Gitlab::ImportExport::Importer,
       'gitea' => Gitlab::LegacyGithubImport::Importer,
-      'manifest' => Gitlab::ManifestImport::Importer
+      'manifest' => nil
     }
 
     import_sources.each do |name, klass|

spec/lib/gitlab/manifest_import/importer_spec.rb → spec/lib/gitlab/manifest_import/project_creator_spec.rb

 require 'spec_helper'
 
-describe Gitlab::ManifestImport::Importer, :postgresql do
+describe Gitlab::ManifestImport::ProjectCreator, :postgresql do
   let(:group) { create(:group) }
   let(:user) { create(:user) }
   let(:repository) do