Show onboarding progress for learn-gitlab project

Shows a badge on the "Learn GitLab" project menu with the
completion percentage of the onboarding progress.

app/helpers/learn_gitlab_helper.rb

@@ -28,23 +28,9 @@ module LearnGitlabHelper
 
   private
 
-  ACTION_ISSUE_IDS = {
-    issue_created: 4,
-    git_write: 6,
-    pipeline_created: 7,
-    merge_request_created: 9,
-    user_added: 8,
-    trial_started: 2,
-    required_mr_approvals_enabled: 11,
-    code_owners_enabled: 10
-  }.freeze
-
-  ACTION_DOC_URLS = {
-    security_scan_enabled: 'https://docs.gitlab.com/ee/user/application_security/security_dashboard/#gitlab-security-dashboard-security-center-and-vulnerability-reports'
-  }.freeze
-
   def action_urls
-    ACTION_ISSUE_IDS.transform_values { |id| project_issue_url(learn_gitlab_project, id) }.merge(ACTION_DOC_URLS)
+    LearnGitlab::Onboarding::ACTION_ISSUE_IDS.transform_values { |id| project_issue_url(learn_gitlab_project, id) }
+      .merge(LearnGitlab::Onboarding::ACTION_DOC_URLS)
   end
 
   def learn_gitlab_project

lib/learn_gitlab/onboarding.rb

+# frozen_string_literal: true
+
+module LearnGitlab
+  class Onboarding
+    include Gitlab::Utils::StrongMemoize
+
+    ACTION_ISSUE_IDS = {
+      issue_created: 4,
+      git_write: 6,
+      pipeline_created: 7,
+      merge_request_created: 9,
+      user_added: 8,
+      trial_started: 2,
+      required_mr_approvals_enabled: 11,
+      code_owners_enabled: 10
+    }.freeze
+
+    ACTION_DOC_URLS = {
+      security_scan_enabled: 'https://docs.gitlab.com/ee/user/application_security/security_dashboard/#gitlab-security-dashboard-security-center-and-vulnerability-reports'
+    }.freeze
+
+    def initialize(namespace)
+      @namespace = namespace
+    end
+
+    def completed_percentage
+      return 0 unless onboarding_progress
+
+      attributes = onboarding_progress.attributes.symbolize_keys
+
+      total_actions = action_columns.count
+      completed_actions = action_columns.count { |column| attributes[column].present? }
+
+      (completed_actions.to_f / total_actions.to_f * 100).round
+    end
+
+    private
+
+    def onboarding_progress
+      strong_memoize(:onboarding_progress) do
+        OnboardingProgress.find_by(namespace: namespace) # rubocop: disable CodeReuse/ActiveRecord
+      end
+    end
+
+    def action_columns
+      strong_memoize(:action_columns) do
+        tracked_actions.map { |action_key| OnboardingProgress.column_name(action_key) }
+      end
+    end
+
+    def tracked_actions
+      ACTION_ISSUE_IDS.keys + ACTION_DOC_URLS.keys
+    end
+
+    attr_reader :namespace
+  end
+end

lib/sidebars/projects/menus/learn_gitlab_menu.rb

@@ -4,6 +4,8 @@ module Sidebars
   module Projects
     module Menus
       class LearnGitlabMenu < ::Sidebars::Menu
+        include Gitlab::Utils::StrongMemoize
+
         override :link
         def link
           project_learn_gitlab_path(context.project)
@@ -19,6 +21,20 @@ module Sidebars
           _('Learn GitLab')
         end
 
+        override :has_pill?
+        def has_pill?
+          context.learn_gitlab_experiment_enabled
+        end
+
+        override :pill_count
+        def pill_count
+          strong_memoize(:pill_count) do
+            percentage = LearnGitlab::Onboarding.new(context.project.namespace).completed_percentage
+
+            "#{percentage}%"
+          end
+        end
+
         override :extra_container_html_options
         def nav_link_html_options
           { class: 'home' }

spec/helpers/learn_gitlab_helper_spec.rb

@@ -41,12 +41,12 @@ RSpec.describe LearnGitlabHelper do
 
     it 'sets correct path and completion status' do
       expect(onboarding_actions_data[:git_write]).to eq({
-        url: project_issue_url(project, LearnGitlabHelper::ACTION_ISSUE_IDS[:git_write]),
+        url: project_issue_url(project, LearnGitlab::Onboarding::ACTION_ISSUE_IDS[:git_write]),
         completed: true,
         svg: helper.image_path("learn_gitlab/git_write.svg")
       })
       expect(onboarding_actions_data[:pipeline_created]).to eq({
-        url: project_issue_url(project, LearnGitlabHelper::ACTION_ISSUE_IDS[:pipeline_created]),
+        url: project_issue_url(project, LearnGitlab::Onboarding::ACTION_ISSUE_IDS[:pipeline_created]),
         completed: false,
         svg: helper.image_path("learn_gitlab/pipeline_created.svg")
       })

spec/lib/learn_gitlab/onboarding_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe LearnGitlab::Onboarding do
+  describe '#completed_percentage' do
+    let(:completed_actions) { {} }
+    let(:onboarding_progress) { build(:onboarding_progress, namespace: namespace, **completed_actions) }
+    let(:namespace) { build(:namespace) }
+
+    let_it_be(:tracked_action_columns) do
+      tracked_actions = described_class::ACTION_ISSUE_IDS.keys + described_class::ACTION_DOC_URLS.keys
+      tracked_actions.map { |key| OnboardingProgress.column_name(key) }
+    end
+
+    before do
+      expect(OnboardingProgress).to receive(:find_by).with(namespace: namespace).and_return(onboarding_progress)
+    end
+
+    subject { described_class.new(namespace).completed_percentage }
+
+    context 'when no onboarding_progress exists' do
+      let(:onboarding_progress) { nil }
+
+      it { is_expected.to eq(0) }
+    end
+
+    context 'when no action has been completed' do
+      it { is_expected.to eq(0) }
+    end
+
+    context 'when one action has been completed' do
+      let(:completed_actions) { Hash[tracked_action_columns.first, Time.current] }
+
+      it { is_expected.to eq(11) }
+    end
+
+    context 'when all tracked actions have been completed' do
+      let(:completed_actions) do
+        tracked_action_columns.to_h { |action| [action, Time.current] }
+      end
+
+      it { is_expected.to eq(100) }
+    end
+  end
+end

spec/lib/sidebars/projects/menus/learn_gitlab_menu_spec.rb

@@ -28,4 +28,32 @@ RSpec.describe Sidebars::Projects::Menus::LearnGitlabMenu do
       end
     end
   end
+
+  describe '#has_pill?' do
+    context 'when learn gitlab experiment is enabled' do
+      it 'returns true' do
+        expect(subject.has_pill?).to eq true
+      end
+    end
+
+    context 'when learn gitlab experiment is disabled' do
+      let(:experiment_enabled) { false }
+
+      it 'returns false' do
+        expect(subject.has_pill?).to eq false
+      end
+    end
+  end
+
+  describe '#pill_count' do
+    before do
+      expect_next_instance_of(LearnGitlab::Onboarding) do |onboarding|
+        expect(onboarding).to receive(:completed_percentage).and_return(20)
+      end
+    end
+
+    it 'returns pill count' do
+      expect(subject.pill_count).to eq '20%'
+    end
+  end
 end

spec/views/layouts/nav/sidebar/_project.html.haml_spec.rb

@@ -56,6 +56,9 @@ RSpec.describe 'layouts/nav/sidebar/_project' do
   describe 'Learn GitLab' do
     it 'has a link to the learn GitLab experiment' do
       allow(view).to receive(:learn_gitlab_experiment_enabled?).and_return(true)
+      allow_next_instance_of(LearnGitlab::Onboarding) do |onboarding|
+        expect(onboarding).to receive(:completed_percentage).and_return(20)
+      end
 
       render