Project level issues analytics

The change is behind a default enabled feature flag:
`project_level_issues_analytics`

doc/user/group/issues_analytics/index.md

@@ -4,13 +4,14 @@ type: reference
 
 # Issues Analytics **(PREMIUM)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/7478) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.5.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/7478) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.5.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/196561) in [GitLab Premium](https://about.gitlab.com/pricing/) 12.9 at the project level.
 
 Issues Analytics is a bar graph which illustrates the number of issues created each month.
 The default timespan is 13 months, which includes the current month, and the 12 months
 prior.
 
-To access the chart, navigate to a group's sidebar and select **Analytics > Issues Analytics**.
+To access the chart, navigate to your group or project sidebar and select **{chart}** **Analytics > Issues Analytics**.
 
 Hover over each bar to see the total number of issues.
 

ee/app/assets/javascripts/pages/projects/analytics/issues_analytics/index.js

+import initIssuesAnalytics from 'ee/issues_analytics';
+
+document.addEventListener('DOMContentLoaded', () => {
+  initIssuesAnalytics();
+});

ee/app/controllers/projects/analytics/issues_analytics_controller.rb

+# frozen_string_literal: true
+
+class Projects::Analytics::IssuesAnalyticsController < Projects::ApplicationController
+  include IssuableCollections
+
+  before_action :authorize_read_issue_analytics!
+
+  def show
+    respond_to do |format|
+      format.html
+
+      format.json do
+        @chart_data =
+          IssuablesAnalytics.new(issuables: issuables_collection, months_back: params[:months_back]).data
+
+        render json: @chart_data
+      end
+    end
+  end
+
+  private
+
+  def authorize_read_issue_analytics!
+    render_404 unless project.feature_available?(:issues_analytics)
+  end
+
+  def finder_type
+    IssuesFinder
+  end
+
+  def default_state
+    'all'
+  end
+
+  def preload_for_collection
+    nil
+  end
+end

ee/app/helpers/ee/analytics_navbar_helper.rb

@@ -8,7 +8,8 @@ module EE
     def project_analytics_navbar_links(project, current_user)
       super + [
         insights_navbar_link(project, current_user),
-        code_review_analytics_navbar_link(project, current_user)
+        code_review_analytics_navbar_link(project, current_user),
+        project_issues_analytics_navbar_link(project, current_user)
       ].compact
     end
 
@@ -24,6 +25,17 @@ module EE
 
     private
 
+    def project_issues_analytics_navbar_link(project, current_user)
+      return unless ::Feature.enabled?(:project_level_issues_analytics, project, default_enabled: true)
+      return unless project_nav_tab?(:issues_analytics)
+
+      navbar_sub_item(
+        title: _('Issues Analytics'),
+        path: 'issues_analytics#show',
+        link: project_analytics_issues_analytics_path(project)
+      )
+    end
+
     def productivity_analytics_navbar_link(group, current_user)
       return unless ::Feature.enabled?(:analytics_pages_under_group_analytics_sidebar, group, default_enabled: true)
       return unless ::Feature.enabled?(:group_level_productivity_analytics, default_enabled: true)

ee/app/helpers/ee/projects_helper.rb

@@ -36,6 +36,7 @@ module EE
       ]
     end
 
+    # rubocop: disable Metrics/CyclomaticComplexity
     override :get_project_nav_tabs
     def get_project_nav_tabs(project, current_user)
       nav_tabs = super
@@ -71,12 +72,17 @@ module EE
         nav_tabs << :operations
       end
 
+      if project.feature_available?(:issues_analytics) && can?(current_user, :read_project, project)
+        nav_tabs << :issues_analytics
+      end
+
       if project.insights_available?
         nav_tabs << :project_insights
       end
 
       nav_tabs
     end
+    # rubocop: enable Metrics/CyclomaticComplexity
 
     override :tab_ability_map
     def tab_ability_map

ee/app/views/projects/analytics/issues_analytics/show.html.haml

+- page_title _('Issues Analytics')
+= render 'shared/issuable/search_bar', type: :issues_analytics, show_sorting_dropdown: false
+#js-issues-analytics{ data: { endpoint: project_analytics_issues_analytics_path(@project) } }

ee/changelogs/unreleased/196561-project-level-issues-analytics.yml

+---
+title: Introduce Project level issues analytics
+merge_request: 25417
+author:
+type: added

ee/config/routes/project.rb

@@ -93,6 +93,7 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
 
         namespace :analytics do
           resources :code_reviews, only: [:index]
+          resource :issues_analytics, only: [:show]
         end
 
         resources :approvers, only: :destroy

ee/spec/controllers/groups/issues_analytics_controller_spec.rb

@@ -3,81 +3,19 @@
 require 'spec_helper'
 
 describe Groups::IssuesAnalyticsController do
-  let(:user)  { create(:user) }
-  let(:group) { create(:group) }
-  let(:project1) { create(:project, :empty_repo, namespace: group) }
-  let(:project2) { create(:project, :empty_repo, namespace: group) }
-
-  before do
-    group.add_owner(user)
-    sign_in(user)
-  end
-
-  describe 'GET #show' do
-    context 'when issues analytics is not available for license' do
-      it 'renders 404' do
-        get :show, params: { group_id: group.to_param }
-
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
+  it_behaves_like 'issues analytics controller' do
+    let_it_be(:user)  { create(:user) }
+    let_it_be(:group) { create(:group) }
+    let_it_be(:project1) { create(:project, :empty_repo, namespace: group) }
+    let_it_be(:project2) { create(:project, :empty_repo, namespace: group) }
+    let_it_be(:issue1) { create(:issue, project: project1, confidential: true) }
+    let_it_be(:issue2) { create(:issue, project: project2, state: :closed) }
+
+    before do
+      group.add_owner(user)
+      sign_in(user)
     end
 
-    context 'when user does not have permission to read group' do
-      let(:user) { create(:user) }
-
-      before do
-        sign_in(user)
-      end
-
-      it 'renders 404' do
-        get :show, params: { group_id: group.to_param }
-
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
-    end
-
-    context 'when issues analytics is available for license' do
-      before do
-        stub_licensed_features(issues_analytics: true)
-      end
-
-      context 'as HTML' do
-        it 'renders show template' do
-          get :show, params: { group_id: group.to_param, months_back: 2 }
-
-          expect(response).to render_template(:show)
-        end
-      end
-
-      context 'as JSON' do
-        let!(:issue1) { create(:issue, project: project1, confidential: true) }
-        let!(:issue2) { create(:issue, project: project2, state: :closed) }
-
-        it 'renders chart data as JSON' do
-          expected_result = { issue1.created_at.strftime(IssuablesAnalytics::DATE_FORMAT) => 2 }
-
-          get :show, params: { group_id: group.to_param }, format: :json
-
-          expect(json_response).to include(expected_result)
-        end
-
-        context 'when user cannot view issues' do
-          let(:guest) { create(:user) }
-
-          before do
-            group.add_guest(guest)
-            sign_in(guest)
-          end
-
-          it 'does not count issues which user cannot view' do
-            expected_result = { issue1.created_at.strftime(IssuablesAnalytics::DATE_FORMAT) => 1 }
-
-            get :show, params: { group_id: group.to_param }, format: :json
-
-            expect(json_response).to include(expected_result)
-          end
-        end
-      end
-    end
+    let(:params) { { group_id: group.to_param } }
   end
 end

ee/spec/controllers/projects/analytics/issues_analytics_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::Analytics::IssuesAnalyticsController do
+  it_behaves_like 'issues analytics controller' do
+    let_it_be(:user)  { create(:user) }
+    let_it_be(:group) { create(:group) }
+    let_it_be(:project1) { create(:project, :empty_repo, namespace: group) }
+    let_it_be(:issue1) { create(:issue, project: project1, confidential: true) }
+    let_it_be(:issue2) { create(:issue, project: project1, state: :closed) }
+
+    before do
+      group.add_owner(user)
+      sign_in(user)
+    end
+
+    let(:params) { { namespace_id: group.to_param, project_id: project1.to_param } }
+  end
+end

ee/spec/support/shared_examples/controllers/analytics/issues_analytics/shared_issues_analytics_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'issues analytics controller' do
+  describe 'GET #show' do
+    subject { get :show, params: params }
+
+    context 'when issues analytics is not available for license' do
+      it 'renders 404' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+
+    context 'when user does not have permission to read the resource' do
+      let(:user) { create(:user) }
+
+      before do
+        sign_in(user)
+      end
+
+      it 'renders 404' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+
+    context 'when issues analytics is available for license' do
+      before do
+        stub_licensed_features(issues_analytics: true)
+      end
+
+      context 'as HTML' do
+        before do
+          params[:months_back] = 2
+        end
+
+        it 'renders show template' do
+          subject
+
+          expect(response).to render_template(:show)
+        end
+      end
+
+      context 'as JSON' do
+        subject { get :show, params: params, format: :json }
+
+        it 'renders chart data as JSON' do
+          expected_result = { issue1.created_at.strftime(IssuablesAnalytics::DATE_FORMAT) => 2 }
+
+          subject
+
+          expect(json_response).to include(expected_result)
+        end
+
+        context 'when user cannot view issues' do
+          let(:guest) { create(:user) }
+
+          before do
+            group.add_guest(guest)
+            sign_in(guest)
+          end
+
+          it 'does not count issues which user cannot view' do
+            expected_result = { issue1.created_at.strftime(IssuablesAnalytics::DATE_FORMAT) => 1 }
+
+            subject
+
+            expect(json_response).to include(expected_result)
+          end
+        end
+      end
+    end
+  end
+end

qa/qa/specs/features/ee/browser_ui/2_plan/issues_analytics/issues_analytics_spec.rb

@@ -2,7 +2,7 @@
 
 module QA
   context 'Plan', :reliable do
-    describe 'Issues analytics' do
+    shared_examples 'issues analytics page' do
       let(:issue) do
         Resource::Issue.fabricate_via_api!
       end
@@ -12,12 +12,24 @@ module QA
       end
 
       it 'displays a graph' do
-        page.visit("#{issue.project.group.web_url}/-/issues_analytics")
+        page.visit(analytics_path)
 
         EE::Page::Group::IssuesAnalytics.perform do |issues_analytics|
           expect(issues_analytics.graph).to be_visible
         end
       end
     end
+
+    describe 'Group level issues analytics' do
+      it_behaves_like 'issues analytics page' do
+        let(:analytics_path) { "#{issue.project.group.web_url}/-/issues_analytics" }
+      end
+    end
+
+    describe 'Project level issues analytics' do
+      it_behaves_like 'issues analytics page' do
+        let(:analytics_path) { "#{issue.project.web_url}/-/analytics/issues_analytics" }
+      end
+    end
   end
 end

spec/features/projects/navbar_spec.rb

@@ -3,102 +3,123 @@
 require 'spec_helper'
 
 describe 'Project navbar' do
-  it_behaves_like 'verified navigation bar' do
-    let(:user) { create(:user) }
-    let(:project) { create(:project, :repository) }
+  let(:user) { create(:user) }
+  let(:project) { create(:project, :repository) }
 
-    let(:structure) do
-      [
-        {
-          nav_item: _('Project overview'),
-          nav_sub_items: [
-            _('Details'),
-            _('Activity'),
-            _('Releases')
-          ]
-        },
-        {
-          nav_item: _('Repository'),
-          nav_sub_items: [
-            _('Files'),
-            _('Commits'),
-            _('Branches'),
-            _('Tags'),
-            _('Contributors'),
-            _('Graph'),
-            _('Compare'),
-            (_('Locked Files') if Gitlab.ee?)
-          ]
-        },
-        {
-          nav_item: _('Issues'),
-          nav_sub_items: [
-            _('List'),
-            _('Boards'),
-            _('Labels'),
-            _('Milestones')
-          ]
-        },
-        {
-          nav_item: _('Merge Requests'),
-          nav_sub_items: []
-        },
-        {
-          nav_item: _('CI / CD'),
-          nav_sub_items: [
-            _('Pipelines'),
-            _('Jobs'),
-            _('Artifacts'),
-            _('Schedules')
-          ]
-        },
-        {
-          nav_item: _('Operations'),
-          nav_sub_items: [
-            _('Metrics'),
-            _('Environments'),
-            _('Error Tracking'),
-            _('Serverless'),
-            _('Kubernetes')
-          ]
-        },
-        {
-          nav_item: _('Analytics'),
-          nav_sub_items: [
-            _('CI / CD Analytics'),
-            (_('Code Review') if Gitlab.ee?),
-            _('Repository Analytics'),
-            _('Value Stream Analytics')
-          ]
-        },
-        {
-          nav_item: _('Wiki'),
-          nav_sub_items: []
-        },
-        {
-          nav_item: _('Snippets'),
-          nav_sub_items: []
-        },
-        {
-          nav_item: _('Settings'),
-          nav_sub_items: [
-            _('General'),
-            _('Members'),
-            _('Integrations'),
-            _('Repository'),
-            _('CI / CD'),
-            _('Operations'),
-            (_('Audit Events') if Gitlab.ee?)
-          ].compact
-        }
+  let(:analytics_nav_item) do
+    {
+      nav_item: _('Analytics'),
+      nav_sub_items: [
+        _('CI / CD Analytics'),
+        (_('Code Review') if Gitlab.ee?),
+        _('Repository Analytics'),
+        _('Value Stream Analytics')
       ]
-    end
+    }
+  end
 
-    before do
-      project.add_maintainer(user)
-      sign_in(user)
+  let(:structure) do
+    [
+      {
+        nav_item: _('Project overview'),
+        nav_sub_items: [
+          _('Details'),
+          _('Activity'),
+          _('Releases')
+        ]
+      },
+      {
+        nav_item: _('Repository'),
+        nav_sub_items: [
+          _('Files'),
+          _('Commits'),
+          _('Branches'),
+          _('Tags'),
+          _('Contributors'),
+          _('Graph'),
+          _('Compare'),
+          (_('Locked Files') if Gitlab.ee?)
+        ]
+      },
+      {
+        nav_item: _('Issues'),
+        nav_sub_items: [
+          _('List'),
+          _('Boards'),
+          _('Labels'),
+          _('Milestones')
+        ]
+      },
+      {
+        nav_item: _('Merge Requests'),
+        nav_sub_items: []
+      },
+      {
+        nav_item: _('CI / CD'),
+        nav_sub_items: [
+          _('Pipelines'),
+          _('Jobs'),
+          _('Artifacts'),
+          _('Schedules')
+        ]
+      },
+      {
+        nav_item: _('Operations'),
+        nav_sub_items: [
+          _('Metrics'),
+          _('Environments'),
+          _('Error Tracking'),
+          _('Serverless'),
+          _('Kubernetes')
+        ]
+      },
+      analytics_nav_item,
+      {
+        nav_item: _('Wiki'),
+        nav_sub_items: []
+      },
+      {
+        nav_item: _('Snippets'),
+        nav_sub_items: []
+      },
+      {
+        nav_item: _('Settings'),
+        nav_sub_items: [
+          _('General'),
+          _('Members'),
+          _('Integrations'),
+          _('Repository'),
+          _('CI / CD'),
+          _('Operations'),
+          (_('Audit Events') if Gitlab.ee?)
+        ].compact
+      }
+    ]
+  end
+
+  before do
+    project.add_maintainer(user)
+    sign_in(user)
+  end
 
+  it_behaves_like 'verified navigation bar' do
+    before do
       visit project_path(project)
     end
   end
+
+  if Gitlab.ee?
+    context 'when issues analytics is available' do
+      before do
+        stub_licensed_features(issues_analytics: true)
+
+        analytics_nav_item[:nav_sub_items] << _('Issues Analytics')
+        analytics_nav_item[:nav_sub_items].sort!
+
+        visit project_path(project)
+      end
+
+      it_behaves_like 'verified navigation bar'
+    end
+  end
 end