Add Group Migration filtering

app/controllers/import/bulk_imports_controller.rb

 # frozen_string_literal: true
 
 class Import::BulkImportsController < ApplicationController
+  include ActionView::Helpers::SanitizeHelper
+
   before_action :ensure_group_import_enabled
   before_action :verify_blocked_uri, only: :status
 
@@ -43,7 +45,22 @@ class Import::BulkImportsController < ApplicationController
   end
 
   def importable_data
-    client.get('groups', top_level_only: true).parsed_response
+    client.get('groups', query_params).parsed_response
+  end
+
+  # Default query string params used to fetch groups from GitLab source instance
+  #
+  # top_level_only: fetch only top level groups (subgroups are fetched during import itself)
+  # min_access_level: fetch only groups user has maintainer or above permissions
+  # search: optional search param to search user's groups by a keyword
+  def query_params
+    query_params = {
+      top_level_only: true,
+      min_access_level: Gitlab::Access::MAINTAINER
+    }
+
+    query_params[:search] = sanitized_filter_param if sanitized_filter_param
+    query_params
   end
 
   def client
@@ -131,4 +148,8 @@ class Import::BulkImportsController < ApplicationController
       access_token: session[access_token_key]
     }
   end
+
+  def sanitized_filter_param
+    @filter ||= sanitize(params[:filter])&.downcase
+  end
 end

spec/controllers/import/bulk_imports_controller_spec.rb

@@ -63,9 +63,16 @@ RSpec.describe Import::BulkImportsController do
             )
           end
 
+          let(:client_params) do
+            {
+              top_level_only: true,
+              min_access_level: Gitlab::Access::MAINTAINER
+            }
+          end
+
           before do
             allow(controller).to receive(:client).and_return(client)
-            allow(client).to receive(:get).with('groups', top_level_only: true).and_return(client_response)
+            allow(client).to receive(:get).with('groups', client_params).and_return(client_response)
           end
 
           it 'returns serialized group data' do
@@ -73,6 +80,17 @@ RSpec.describe Import::BulkImportsController do
 
             expect(json_response).to eq({ importable_data: client_response.parsed_response }.as_json)
           end
+
+          context 'when filtering' do
+            it 'returns filtered result' do
+              filter = 'test'
+              search_params = client_params.merge(search: filter)
+
+              expect(client).to receive(:get).with('groups', search_params).and_return(client_response)
+
+              get :status, format: :json, params: { filter: filter }
+            end
+          end
         end
 
         context 'when host url is local or not http' do

spec/features/groups/import_export/connect_instance_spec.rb

@@ -24,7 +24,7 @@ RSpec.describe 'Import/Export - Connect to another instance', :js do
       pat = 'demo-pat'
       stub_path = 'stub-group'
 
-      stub_request(:get, "%{url}/api/v4/groups?page=1&per_page=30&top_level_only=true" % { url: source_url }).to_return(
+      stub_request(:get, "%{url}/api/v4/groups?page=1&per_page=30&top_level_only=true&min_access_level=40" % { url: source_url }).to_return(
         body: [{
           id: 2595438,
           web_url: 'https://gitlab.com/groups/auto-breakfast',