Revert "Test to get the custom integration projects"

This reverts commit 16b471de628ad23ae846a8770fb207cd1fdeedb3.

app/models/concerns/integration.rb

@@ -4,13 +4,16 @@ module Integration
   extend ActiveSupport::Concern
 
   class_methods do
-    def with_custom_integration_compared_to(integration)
-      custom_integrations = Service
-        .select('1')
-        .where(type: integration.type, inherit_from_id: nil)
-        .where('services.project_id = projects.id')
+    def with_custom_integration_for(integration, page = nil, per = nil)
+      custom_integration_project_ids = Service
+        .where(type: integration.type)
+        .where(inherit_from_id: nil)
+        .distinct # Required until https://gitlab.com/gitlab-org/gitlab/-/issues/207385
+        .page(page)
+        .per(per)
+        .pluck(:project_id)
 
-      Project.where('EXISTS (?)', custom_integrations)
+      Project.where(id: custom_integration_project_ids)
     end
   end
 end

config/routes/admin.rb

@@ -118,7 +118,6 @@ namespace :admin do
     resources :services, only: [:index, :edit, :update]
     resources :integrations, only: [:edit, :update] do
       member do
-        get :custom_integration_projects
         put :test
       end
     end

spec/controllers/admin/integrations_controller_spec.rb

@@ -4,7 +4,6 @@ require 'spec_helper'
 
 RSpec.describe Admin::IntegrationsController do
   let(:admin) { create(:admin) }
-  let(:integration) { create(:jira_service, :instance) }
 
   before do
     sign_in(admin)
@@ -34,6 +33,8 @@ RSpec.describe Admin::IntegrationsController do
   end
 
   describe '#update' do
+    let(:integration) { create(:jira_service, :instance) }
+
     before do
       allow(PropagateIntegrationWorker).to receive(:perform_async)
 
@@ -67,14 +68,4 @@ RSpec.describe Admin::IntegrationsController do
       end
     end
   end
-
-  describe '#custom_integration_projects' do
-    it 'calls to get the custom integration projects' do
-      allow(Project).to receive_message_chain(:with_custom_integration_compared_to, :page, :per)
-
-      get :custom_integration_projects, params: { id: integration.class.to_param }
-
-      expect(Project).to have_received(:with_custom_integration_compared_to).with(integration)
-    end
-  end
 end

spec/models/integration_spec.rb

@@ -13,9 +13,9 @@ RSpec.describe Integration do
     create(:slack_service, project: project_1, inherit_from_id: nil)
   end
 
-  describe '#with_custom_integration_compared_to' do
+  describe '#with_custom_integration_for' do
     it 'returns projects with custom integrations' do
-      expect(Project.with_custom_integration_compared_to(instance_integration)).to contain_exactly(project_2)
+      expect(Project.with_custom_integration_for(instance_integration)).to contain_exactly(project_2)
     end
   end
 end