Add skeleton for onboarding helper

- Add controller
- Add specs
- Mount app
- Add  specs

app/controllers/dashboard/projects_controller.rb

@@ -6,18 +6,14 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
 
   prepend_before_action(only: [:index]) { authenticate_sessionless_user!(:rss) }
   before_action :set_non_archived_param
+  before_action :projects, only: [:index]
   before_action :default_sorting
   skip_cross_project_access_check :index, :starred
 
   def index
-    @projects = load_projects(params.merge(non_public: true))
-
     respond_to do |format|
       format.html do
-        # n+1: https://gitlab.com/gitlab-org/gitlab-ce/issues/40260
-        Gitlab::GitalyClient.allow_n_plus_1_calls do
-          render
-        end
+        render_projects
       end
       format.atom do
         load_events
@@ -51,6 +47,17 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
 
   private
 
+  def projects
+    @projects ||= load_projects(params.merge(non_public: true))
+  end
+
+  def render_projects
+    # n+1: https://gitlab.com/gitlab-org/gitlab-ce/issues/40260
+    Gitlab::GitalyClient.allow_n_plus_1_calls do
+      render
+    end
+  end
+
   def default_sorting
     params[:sort] ||= 'latest_activity_desc'
     @sort = params[:sort]
@@ -81,3 +88,5 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
     Events::RenderService.new(current_user).execute(@events, atom_request: request.format.atom?)
   end
 end
+
+Dashboard::ProjectsController.prepend(EE::Dashboard::ProjectsController)

app/helpers/projects_helper.rb

@@ -243,6 +243,7 @@ module ProjectsHelper
 
   # TODO: Remove this method when removing the feature flag
   # https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/11209#note_162234863
+  # make sure to remove from the EE specific controller as well: ee/app/controllers/ee/dashboard/projects_controller.rb
   def show_projects?(projects, params)
     Feature.enabled?(:project_list_filter_bar) || !!(params[:personal] || params[:name] || any_projects?(projects))
   end

app/views/layouts/application.html.haml

@@ -10,4 +10,6 @@
     = render 'layouts/page', sidebar: sidebar, nav: nav
     = footer_message
 
+    = render_if_exists "shared/onboarding_guide"
+
     = yield :scripts_body

ee/app/assets/javascripts/main.js

 import $ from 'jquery';
 import initEETrialBanner from 'ee/ee_trial_banner';
 import trackNavbarEvents from 'ee/event_tracking/navbar';
+import initOnboarding from 'ee/onboarding/onboarding_helper';
 
 $(() => {
   /**
@@ -12,4 +13,6 @@ $(() => {
   initEETrialBanner();
 
   trackNavbarEvents();
+
+  initOnboarding();
 });

ee/app/assets/javascripts/onboarding/onboarding_helper/components/app.vue

+<script>
+export default {};
+</script>
+
+<template>
+  <div></div>
+</template>

ee/app/assets/javascripts/onboarding/onboarding_helper/index.js

+import Vue from 'vue';
+import OnboardingApp from './components/app.vue';
+
+export default function() {
+  const el = document.getElementById('js-onboarding-helper');
+
+  if (!el) {
+    return false;
+  }
+
+  return new Vue({
+    el,
+    components: {
+      OnboardingApp,
+    },
+
+    render(h) {
+      return h(OnboardingApp, {
+        props: {},
+      });
+    },
+  });
+}

ee/app/controllers/ee/dashboard/projects_controller.rb

+# frozen_string_literal: true
+
+module EE
+  module Dashboard
+    module ProjectsController
+      extend ActiveSupport::Concern
+      extend ::Gitlab::Utils::Override
+
+      private
+
+      override :render_projects
+      def render_projects
+        if show_onboarding_welcome_page?
+          redirect_to explore_onboarding_index_path
+        else
+          super
+        end
+      end
+
+      def show_onboarding_welcome_page?
+        return false unless ::Gitlab.com?
+        return false if cookies['onboarding_dismissed'] == 'true'
+
+        ::Feature.enabled?(:user_onboarding) && !show_projects?(projects, params)
+      end
+    end
+  end
+end

ee/app/controllers/explore/onboarding_controller.rb

@@ -11,7 +11,9 @@ class Explore::OnboardingController < Explore::ApplicationController
   def set_project!
     @project = get_onboarding_demo_project
 
-    render_404 unless @project && can?(current_user, :read_project, @project)
+    return render_404 unless @project && can?(current_user, :read_project, @project)
+
+    session[:onboarding_project] = { project_full_path: @project.web_url, project_name: @project.name }
   end
 
   def get_onboarding_demo_project

ee/app/views/shared/_onboarding_guide.html.haml

+- onboarding_project = session[:onboarding_project]
+
+- return unless onboarding_project
+
+#js-onboarding-helper{ data: { project_full_path: onboarding_project[:project_full_path], project_name: onboarding_project[:project_name] } }
+#js-onboarding-action-popover

ee/spec/controllers/ee/dashboard/projects_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Dashboard::ProjectsController do
+  include ExternalAuthorizationServiceHelpers
+
+  let(:user) { create(:user) }
+
+  describe 'GET #index' do
+    before do
+      sign_in(user)
+    end
+
+    context 'onboarding welcome page' do
+      before do
+        allow(Gitlab).to receive(:com?) { true }
+      end
+
+      shared_examples '200 status' do
+        it 'renders the index template' do
+          get :index
+
+          expect(response).to have_gitlab_http_status(200)
+          expect(response).to render_template(:index)
+        end
+      end
+
+      context 'when the feature is enabled' do
+        before do
+          stub_feature_flags(user_onboarding: true)
+        end
+
+        context 'and the user does not have projects' do
+          before do
+            stub_feature_flags(project_list_filter_bar: false)
+          end
+
+          it 'renders the welcome page if it has not dismissed onboarding' do
+            allow(controller).to receive(:cookies).and_return({ 'onboarding_dismissed' => 'false' })
+
+            get :index
+
+            expect(response).to redirect_to(explore_onboarding_index_path)
+          end
+
+          it 'renders the index template if it has dismissed the onboarding' do
+            allow(controller).to receive(:cookies).and_return({ 'onboarding_dismissed' => 'true' })
+
+            get :index
+
+            expect(response).to have_gitlab_http_status(200)
+            expect(response).to render_template(:index)
+          end
+        end
+
+        context 'and the user has projects' do
+          let(:project) { create(:project) }
+
+          before do
+            project.add_developer(user)
+          end
+
+          it_behaves_like '200 status'
+        end
+      end
+
+      context 'when the feature is disabled' do
+        before do
+          stub_feature_flags(user_onboarding: false)
+        end
+
+        it_behaves_like '200 status'
+      end
+    end
+  end
+end

ee/spec/controllers/explore/onboarding_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Explore::OnboardingController do
+  let(:user) { create(:user, username: 'gitlab-org') }
+  let(:project) { create(:project, path: 'gitlab-ce', namespace: user.namespace) }
+
+  before do
+    allow(Gitlab).to receive(:com?) { true }
+    sign_in(user)
+
+    project.add_guest(user)
+  end
+
+  describe 'GET #index' do
+    context 'when the feature is enabled' do
+      before do
+        stub_feature_flags(user_onboarding: true)
+      end
+
+      it 'renders index with 200 status code and sets the session variable if the user is authenticated' do
+        get :index
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to render_template(:index)
+        expect(session[:onboarding_project]).to eq({ project_full_path: project.web_url, project_name: project.name })
+      end
+    end
+
+    context 'when the feature is disabled' do
+      before do
+        stub_feature_flags(user_onboarding: false)
+      end
+
+      it 'returns 404' do
+        get :index
+
+        expect(response).to have_gitlab_http_status(404)
+        expect(session[:onboarding_project]).to be_nil
+      end
+    end
+  end
+end