New Project#geo_repository_replicated? method

ee/app/models/geo/project_registry.rb

@@ -209,6 +209,12 @@ class Geo::ProjectRegistry < Geo::BaseRegistry
     where(id: start..finish)
   end
 
+  def self.repository_replicated_for?(project_id)
+    return true unless ::Gitlab::Geo.secondary_with_primary?
+
+    where(project_id: project_id).where.not(last_repository_successful_sync_at: nil).exists?
+  end
+
   # Must be run before fetching the repository to avoid a race condition
   #
   # @param [String] type must be one of the values in TYPES

ee/spec/models/geo/project_registry_spec.rb

@@ -3,6 +3,7 @@
 require 'spec_helper'
 
 describe Geo::ProjectRegistry do
+  include ::EE::GeoHelpers
   using RSpec::Parameterized::TableSyntax
 
   set(:project) { create(:project, description: 'kitten mittens') }
@@ -210,6 +211,72 @@ describe Geo::ProjectRegistry do
     end
   end
 
+  describe '.repository_replicated_for?' do
+    context 'for a non-Geo setup' do
+      it 'returns true' do
+        expect(described_class.repository_replicated_for?(project.id)).to be_truthy
+      end
+    end
+
+    context 'for a Geo setup' do
+      before do
+        stub_current_geo_node(current_node)
+      end
+
+      context 'for a Geo Primary' do
+        let(:current_node) { create(:geo_node, :primary) }
+
+        it 'returns true' do
+          expect(described_class.repository_replicated_for?(project.id)).to be_truthy
+        end
+      end
+
+      context 'for a Geo secondary' do
+        let(:current_node) { create(:geo_node) }
+
+        context 'where Primary node is not configured' do
+          it 'returns true' do
+            expect(described_class.repository_replicated_for?(project.id)).to be_truthy
+          end
+        end
+
+        context 'where Primary node is configured' do
+          before do
+            create(:geo_node, :primary)
+          end
+
+          context 'where project_registry entry does not exist' do
+            it 'returns false' do
+              project_without_registry = create(:project)
+
+              expect(described_class.repository_replicated_for?(project_without_registry.id)).to be_falsey
+            end
+          end
+
+          context 'where project_registry entry does exist' do
+            context 'where last_repository_successful_sync_at is not set' do
+              it 'returns false' do
+                project_with_failed_registry = create(:project)
+                create(:geo_project_registry, :repository_sync_failed, project: project_with_failed_registry)
+
+                expect(described_class.repository_replicated_for?(project_with_failed_registry.id)).to be_falsey
+              end
+            end
+
+            context 'where last_repository_successful_sync_at is set' do
+              it 'returns true' do
+                project_with_synced_registry = create(:project)
+                create(:geo_project_registry, :synced, project: project_with_synced_registry)
+
+                expect(described_class.repository_replicated_for?(project_with_synced_registry.id)).to be_truthy
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+
   describe '#repository_sync_due?' do
     where(:last_synced_at, :resync, :retry_at, :expected) do
       now = Time.now