Return new infrastructure registry path for package details

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/323418#note_590144554

app/models/packages/package.rb

@@ -269,6 +269,10 @@ class Packages::Package < ApplicationRecord
     tags.pluck(:name)
   end
 
+  def infrastructure_package?
+    terraform_module?
+  end
+
   def debian_incoming?
     debian? && version.nil?
   end

lib/api/entities/package.rb

@@ -25,8 +25,12 @@ module API
       expose :status
 
       expose :_links do
-        expose :web_path do |package|
-          ::Gitlab::Routing.url_helpers.project_package_path(package.project, package)
+        expose :web_path do |package, opts|
+          if package.infrastructure_package?
+            ::Gitlab::Routing.url_helpers.namespace_project_infrastructure_registry_path(opts[:namespace], package.project, package)
+          else
+            ::Gitlab::Routing.url_helpers.project_package_path(package.project, package)
+          end
         end
 
         expose :delete_api_path, if: can_destroy(:package, &:project) do |package|

lib/api/group_packages.rb

@@ -43,7 +43,7 @@ module API
           declared(params).slice(:exclude_subgroups, :order_by, :sort, :package_type, :package_name, :include_versionless, :status)
         ).execute
 
-        present paginate(packages), with: ::API::Entities::Package, user: current_user, group: true
+        present paginate(packages), with: ::API::Entities::Package, user: current_user, group: true, namespace: user_group.root_ancestor
       end
     end
   end

lib/api/project_packages.rb

@@ -41,7 +41,7 @@ module API
           declared_params.slice(:order_by, :sort, :package_type, :package_name, :include_versionless, :status)
         ).execute
 
-        present paginate(packages), with: ::API::Entities::Package, user: current_user
+        present paginate(packages), with: ::API::Entities::Package, user: current_user, namespace: user_project.root_ancestor
       end
 
       desc 'Get a single project package' do
@@ -55,7 +55,7 @@ module API
         package = ::Packages::PackageFinder
           .new(user_project, params[:package_id]).execute
 
-        present package, with: ::API::Entities::Package, user: current_user
+        present package, with: ::API::Entities::Package, user: current_user, namespace: user_project.root_ancestor
       end
 
       desc 'Remove a package' do

spec/models/packages/package_spec.rb

@@ -897,6 +897,26 @@ RSpec.describe Packages::Package, type: :model do
     end
   end
 
+  describe '#infrastructure_package?' do
+    let(:package) { create(:package) }
+
+    subject { package.infrastructure_package? }
+
+    it { is_expected.to eq(false) }
+
+    context 'with generic package' do
+      let(:package) { create(:generic_package) }
+
+      it { is_expected.to eq(false) }
+    end
+
+    context 'with terraform module package' do
+      let(:package) { create(:terraform_module_package) }
+
+      it { is_expected.to eq(true) }
+    end
+  end
+
   describe 'plan_limits' do
     Packages::Package.package_types.keys.without('composer').each do |pt|
       plan_limit_name = if pt == 'generic'

spec/requests/api/project_packages_spec.rb

@@ -40,10 +40,36 @@ RSpec.describe API::ProjectPackages do
       context 'with terraform module package' do
         let_it_be(:terraform_module_package) { create(:terraform_module_package, project: project) }
 
-        it 'filters out terraform module packages when no package_type filter is set' do
-          subject
+        context 'when no package_type filter is set' do
+          let(:params) { {} }
+
+          it 'filters out terraform module packages' do
+            subject
+
+            expect(json_response).not_to include(a_hash_including('package_type' => 'terraform_module'))
+          end
+
+          it 'returns packages with the package registry web_path' do
+            subject
+
+            expect(json_response).to include(a_hash_including('_links' => a_hash_including('web_path' => include('packages'))))
+          end
+        end
+
+        context 'when package_type filter is set to terraform_module' do
+          let(:params) { { package_type: :terraform_module } }
 
-          expect(json_response).not_to include(a_hash_including('package_type' => 'terraform_module'))
+          it 'returns the terraform module package' do
+            subject
+
+            expect(json_response).to include(a_hash_including('package_type' => 'terraform_module'))
+          end
+
+          it 'returns the terraform module package with the infrastructure registry web_path' do
+            subject
+
+            expect(json_response).to include(a_hash_including('_links' => a_hash_including('web_path' => include('infrastructure_registry'))))
+          end
         end
       end