1 files changed, 53 insertions, 0 deletions
diff --git a/app/presenters/packages/helm/index_presenter.rb b/app/presenters/packages/helm/index_presenter.rb
new file mode 100644
index 00000000000..a6cfc61c94d
--- /dev/null
+++ b/app/presenters/packages/helm/index_presenter.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+module Packages
+  module Helm
+    class IndexPresenter
+      include API::Helpers::RelatedResourcesHelpers
+
+      API_VERSION = 'v1'
+      CHANNEL = 'channel'
+      INDEX_YAML_SUFFIX = "/#{CHANNEL}/index.yaml"
+
+      def initialize(project, project_id_param, package_files)
+        @project = project
+        @project_id_param = project_id_param
+        @package_files = package_files
+      end
+
+      def api_version
+        API_VERSION
+      end
+
+      def entries
+        files = @package_files.preload_helm_file_metadata
+        result = Hash.new { |h, k| h[k] = [] }
+
+        files.find_each do |package_file|
+          name = package_file.helm_metadata['name']
+          result[name] << package_file.helm_metadata.merge({
+            'created' => package_file.created_at.utc.strftime('%Y-%m-%dT%H:%M:%S.%NZ'),
+            'digest' => package_file.file_sha256,
+            'urls' => ["charts/#{package_file.file_name}"]
+          })
+        end
+
+        result
+      end
+
+      def generated
+        Time.zone.now.utc.strftime('%Y-%m-%dT%H:%M:%S.%NZ')
+      end
+
+      def server_info
+        path = api_v4_projects_packages_helm_index_yaml_path(
+          id: ERB::Util.url_encode(@project_id_param),
+          channel: CHANNEL
+        )
+        {
+          'contextPath' => path.delete_suffix(INDEX_YAML_SUFFIX)
+        }
+      end
+    end
+  end
+end