Add minimal UI for project packages [ci skip]

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/packages/packages_controller.rb

+module Projects
+  module Packages
+    class PackagesController < ApplicationController
+      before_action :authorize_admin_project!
+
+      def index
+        @packages = project.packages.all
+      end
+    end
+  end
+end

app/models/project.rb

@@ -131,6 +131,7 @@ class Project < ActiveRecord::Base
 
   has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event'
   has_many :boards, before_add: :validate_board_limit
+  has_many :packages, class_name: 'Packages::Package'
 
   # Project services
   has_one :campfire_service

app/views/projects/packages/index.html.haml

+- @no_container = true
+- page_title "Packages"
+
+%div{ class: container_class }
+  %table.table
+    %thead
+      %tr
+        %th Name
+        %th Version
+        %th Files
+        %th Created at
+
+    %tbody
+      - @packages.each do |package|
+        %tr
+          %td
+            = package.name
+          %td
+            = package.version
+          %td
+            %ul
+              - package.package_files.each do |package_file|
+                %li
+                  = package_file.file
+          %td
+            = package.created_at

app/views/projects/packages/packages/index.html.haml

+- @no_container = true
+- page_title "Packages"
+
+
+%div{ class: container_class }
+  %table.table
+    %thead
+      %tr
+        %th ID
+        %th Name
+        %th Version
+        %th Files
+        %th Created at
+
+    %tbody
+      - @packages.each do |package|
+        %tr
+          %td
+            = package.id
+          %td
+            = package.name
+          %td
+            = package.version
+          %td
+            %ul.content-list
+              - package.package_files.each do |package_file|
+                %li
+                  = package_file.file.identifier
+          %td
+            = package.created_at

config/routes/project.rb

@@ -310,6 +310,10 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
       scope '-' do
         get 'archive/*id', constraints: { format: Gitlab::PathRegex.archive_formats_regex, id: /.+?/ }, to: 'repositories#archive', as: 'archive'
 
+        ## EE-specific
+        resources :packages, only: :index, module: 'packages'
+        ## EE-specific
+
         resources :jobs, only: [:index, :show], constraints: { id: /\d+/ } do
           collection do
             post :cancel_all