Move read_prometheus_alerts policy to CE

Contributes to migration of Prometheus alerts to Core

app/policies/project_policy.rb

@@ -445,6 +445,8 @@ class ProjectPolicy < BasePolicy
     (can?(:read_project_for_iids) & issues_visible_to_user) | can?(:read_issue)
   end.enable :read_issue_iid
 
+  rule { can?(:maintainer_access) }.enable :read_prometheus_alerts
+
   rule do
     (~guest & can?(:read_project_for_iids) & merge_requests_visible_to_user) | can?(:read_merge_request)
   end.enable :read_merge_request_iid

ee/app/policies/ee/project_policy.rb

@@ -90,10 +90,6 @@ module EE
         @subject.feature_available?(:security_dashboard)
       end
 
-      condition(:prometheus_alerts_enabled) do
-        @subject.feature_available?(:prometheus_alerts, @user)
-      end
-
       with_scope :subject
       condition(:license_scanning_enabled) do
         @subject.feature_available?(:license_scanning) || @subject.feature_available?(:license_management)
@@ -239,8 +235,6 @@ module EE
 
       rule { license_scanning_enabled & can?(:maintainer_access) }.enable :admin_software_license_policy
 
-      rule { prometheus_alerts_enabled & can?(:maintainer_access) }.enable :read_prometheus_alerts
-
       rule { auditor }.policy do
         enable :public_user_access
         prevent :request_access

ee/spec/policies/project_policy_spec.rb

@@ -963,66 +963,6 @@ describe ProjectPolicy do
     end
   end
 
-  describe 'read_prometheus_alerts' do
-    context 'with prometheus_alerts available' do
-      before do
-        stub_licensed_features(prometheus_alerts: true)
-      end
-
-      context 'with admin' do
-        let(:current_user) { admin }
-
-        it { is_expected.to be_allowed(:read_prometheus_alerts) }
-      end
-
-      context 'with owner' do
-        let(:current_user) { owner }
-
-        it { is_expected.to be_allowed(:read_prometheus_alerts) }
-      end
-
-      context 'with maintainer' do
-        let(:current_user) { maintainer }
-
-        it { is_expected.to be_allowed(:read_prometheus_alerts) }
-      end
-
-      context 'with developer' do
-        let(:current_user) { developer }
-
-        it { is_expected.to be_disallowed(:read_prometheus_alerts) }
-      end
-
-      context 'with reporter' do
-        let(:current_user) { reporter }
-
-        it { is_expected.to be_disallowed(:read_prometheus_alerts) }
-      end
-
-      context 'with guest' do
-        let(:current_user) { guest }
-
-        it { is_expected.to be_disallowed(:read_prometheus_alerts) }
-      end
-
-      context 'with anonymous' do
-        let(:current_user) { nil }
-
-        it { is_expected.to be_disallowed(:read_prometheus_alerts) }
-      end
-    end
-
-    context 'without prometheus_alerts available' do
-      before do
-        stub_licensed_features(prometheus_alerts: false)
-      end
-
-      let(:current_user) { admin }
-
-      it { is_expected.to be_disallowed(:read_prometheus_alerts) }
-    end
-  end
-
   describe 'publish_status_page' do
     let(:anonymous) { nil }
     let(:feature) { :status_page }

spec/policies/project_policy_spec.rb

@@ -573,4 +573,50 @@ describe ProjectPolicy do
       it { is_expected.to be_allowed(:admin_issue) }
     end
   end
+
+  describe 'read_prometheus_alerts' do
+    subject { described_class.new(current_user, project) }
+
+    context 'with admin' do
+      let(:current_user) { admin }
+
+      it { is_expected.to be_allowed(:read_prometheus_alerts) }
+    end
+
+    context 'with owner' do
+      let(:current_user) { owner }
+
+      it { is_expected.to be_allowed(:read_prometheus_alerts) }
+    end
+
+    context 'with maintainer' do
+      let(:current_user) { maintainer }
+
+      it { is_expected.to be_allowed(:read_prometheus_alerts) }
+    end
+
+    context 'with developer' do
+      let(:current_user) { developer }
+
+      it { is_expected.to be_disallowed(:read_prometheus_alerts) }
+    end
+
+    context 'with reporter' do
+      let(:current_user) { reporter }
+
+      it { is_expected.to be_disallowed(:read_prometheus_alerts) }
+    end
+
+    context 'with guest' do
+      let(:current_user) { guest }
+
+      it { is_expected.to be_disallowed(:read_prometheus_alerts) }
+    end
+
+    context 'with anonymous' do
+      let(:current_user) { nil }
+
+      it { is_expected.to be_disallowed(:read_prometheus_alerts) }
+    end
+  end
 end