Enable alert management for configured http integrations

app/helpers/projects/alert_management_helper.rb

@@ -27,7 +27,11 @@ module Projects::AlertManagementHelper
   private
 
   def alert_management_enabled?(project)
-    !!(project.alerts_service_activated? || project.prometheus_service_active?)
+    !!(
+      project.alerts_service_activated? ||
+      project.prometheus_service_active? ||
+      AlertManagement::HttpIntegrationsFinder.new(project, active: true).execute.any?
+    )
   end
 end
 

changelogs/unreleased/sy-fix-alerts-active-state.yml

+---
+title: Ensure Alerts list loads when only HTTP integrations are enabled
+merge_request: 48247
+author:
+type: fixed

spec/features/alert_management/alert_management_list_spec.rb

@@ -18,7 +18,7 @@ RSpec.describe 'Alert Management index', :js do
     wait_for_requests
   end
 
-  context 'when a developer displays the alert list and the alert service is not enabled' do
+  context 'when a developer displays the alert list and alert integrations are not enabled' do
     it 'shows the alert page title' do
       expect(page).to have_content('Alerts')
     end
@@ -38,8 +38,8 @@ RSpec.describe 'Alert Management index', :js do
     end
   end
 
-  context 'when a developer displays the alert list and the alert service is enabled' do
-    let_it_be(:alerts_service) { create(:alerts_service, project: project) }
+  context 'when a developer displays the alert list and an HTTP integration is enabled' do
+    let_it_be(:integration) { create(:alert_management_http_integration, project: project) }
 
     it 'shows the alert page title' do
       expect(page).to have_content('Alerts')

spec/helpers/projects/alert_management_helper_spec.rb

@@ -83,6 +83,28 @@ RSpec.describe Projects::AlertManagementHelper do
       end
     end
 
+    context 'with http integration' do
+      let_it_be(:integration) { create(:alert_management_http_integration, project: project) }
+
+      context 'when integration is active' do
+        it 'enables alert management' do
+          expect(data).to include(
+            'alert-management-enabled' => 'true'
+          )
+        end
+      end
+
+      context 'when integration is inactive' do
+        it 'disables alert management' do
+          integration.update!(active: false)
+
+          expect(data).to include(
+            'alert-management-enabled' => 'false'
+          )
+        end
+      end
+    end
+
     context 'when user does not have requisite enablement permissions' do
       let(:user_can_enable_alert_management) { false }