1 files changed, 75 insertions, 0 deletions
diff --git a/app/presenters/packages/detail/package_presenter.rb b/app/presenters/packages/detail/package_presenter.rb
new file mode 100644
index 00000000000..f6e068302c1
--- /dev/null
+++ b/app/presenters/packages/detail/package_presenter.rb
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+module Packages
+  module Detail
+    class PackagePresenter
+      def initialize(package)
+        @package = package
+      end
+
+      def detail_view
+        package_detail = {
+          id: @package.id,
+          created_at: @package.created_at,
+          name: @package.name,
+          package_files: @package.package_files.map { |pf| build_package_file_view(pf) },
+          package_type: @package.package_type,
+          project_id: @package.project_id,
+          tags: @package.tags.as_json,
+          updated_at: @package.updated_at,
+          version: @package.version
+        }
+
+        package_detail[:maven_metadatum] = @package.maven_metadatum if @package.maven_metadatum
+        package_detail[:nuget_metadatum] = @package.nuget_metadatum if @package.nuget_metadatum
+        package_detail[:dependency_links] = @package.dependency_links.map(&method(:build_dependency_links))
+        package_detail[:pipeline] = build_pipeline_info(@package.build_info.pipeline) if @package.build_info
+
+        package_detail
+      end
+
+      private
+
+      def build_package_file_view(package_file)
+        {
+          created_at: package_file.created_at,
+          download_path: package_file.download_path,
+          file_name: package_file.file_name,
+          size: package_file.size
+        }
+      end
+
+      def build_pipeline_info(pipeline_info)
+        {
+          created_at: pipeline_info.created_at,
+          id: pipeline_info.id,
+          sha: pipeline_info.sha,
+          ref: pipeline_info.ref,
+          git_commit_message: pipeline_info.git_commit_message,
+          user: build_user_info(pipeline_info.user),
+          project: {
+            name: pipeline_info.project.name,
+            web_url: pipeline_info.project.web_url
+          }
+        }
+      end
+
+      def build_user_info(user)
+        return unless user
+
+        {
+          avatar_url: user.avatar_url,
+          name: user.name
+        }
+      end
+
+      def build_dependency_links(link)
+        {
+          name: link.dependency.name,
+          version_pattern: link.dependency.version_pattern,
+          target_framework: link.nuget_metadatum&.target_framework
+        }.compact
+      end
+    end
+  end
+end