Implement CalloutsHelper

app/helpers/callouts_helper.rb

+module CalloutsHelper
+  def show_gke_cluster_integration_callout?(kube_feature_name, project)
+    !user_dismissed?(kube_feature_name) && project.team.master?(current_user)
+  end
+
+  private
+
+  def user_dismissed?(feature_name)
+    Callout.find_by(user: current_user, feature_name: feature_name).dismissed_state?
+  end
+end

spec/helpers/callouts_helper_spec.rb

+require "spec_helper"
+
+describe CalloutsHelper do
+  let(:user) { create(:user) }
+
+  before do
+    allow(helper).to receive(:current_user).and_return(user)
+  end
+
+  describe '.show_gke_cluster_integration_callout?' do
+    let(:project) { create(:project) }
+
+    subject { helper.show_gke_cluster_integration_callout?('test_name', project) }
+
+    context 'when user has not dismissed' do
+      before do
+        allow(helper).to receive(:user_dismissed?).and_return(false)
+      end
+
+      context 'when user is master' do
+        before do
+          allow(project).to receive_message_chain(:team, :master?).and_return(true)
+        end
+
+        it { is_expected.to be true }
+      end
+
+      context 'when user is not master' do
+        before do
+          allow(project).to receive_message_chain(:team, :master?).and_return(false)
+        end
+
+        it { is_expected.to be false }
+      end
+    end
+
+    context 'when user dismissed' do
+      before do
+        allow(helper).to receive(:user_dismissed?).and_return(true)
+      end
+
+      it { is_expected.to be false }
+    end
+  end
+end