WIP: Close blocked issue warning

- Close issue warning, top of issue page

app/assets/javascripts/issue.js

@@ -12,6 +12,8 @@ export default class Issue {
   constructor() {
     if ($('a.btn-close').length) this.initIssueBtnEventListeners();
 
+    if ($('.js-close-blocked-issue-warning').length) this.initIssueWarningBtnEventListener();
+
     Issue.$btnNewBranch = $('#new-branch');
     Issue.createMrDropdownWrap = document.querySelector('.create-mr-dropdown-wrap');
 
@@ -89,7 +91,7 @@ export default class Issue {
 
     return $(document).on(
       'click',
-      '.js-issuable-actions a.btn-close, .js-issuable-actions a.btn-reopen',
+      '.js-issuable-actions a.btn-close, .js-issuable-actions a.btn-reopen, a.btn-close-anyway',
       e => {
         e.preventDefault();
         e.stopImmediatePropagation();
@@ -99,19 +101,30 @@ export default class Issue {
           Issue.submitNoteForm($button.closest('form'));
         }
 
-        this.disableCloseReopenButton($button);
-
-        const url = $button.attr('href');
-        return axios
-          .put(url)
-          .then(({ data }) => {
-            const isClosed = $button.hasClass('btn-close');
-            this.updateTopState(isClosed, data);
-          })
-          .catch(() => flash(issueFailMessage))
-          .then(() => {
-            this.disableCloseReopenButton($button, false);
-          });
+        const shouldDisplayBlockedWarning = $button.hasClass('btn-issue-blocked');
+        const warningBanner = $('.js-close-blocked-issue-warning');
+        if (shouldDisplayBlockedWarning) {
+          this.toggleWarningAndCloseButton();
+        } else {
+          this.disableCloseReopenButton($button);
+
+          const url = $button.attr('href');
+          return axios
+            .put(url)
+            .then(({ data }) => {
+              const isClosed = $button.is('.btn-close, .btn-close-anyway');
+              this.updateTopState(isClosed, data);
+              if ($button.hasClass('btn-close-anyway')) {
+                warningBanner.addClass('hidden');
+                if (this.closeReopenReportToggle)
+                  $('.js-issuable-close-dropdown').removeClass('hidden');
+              }
+            })
+            .catch(() => flash(issueFailMessage))
+            .then(() => {
+              this.disableCloseReopenButton($button, false);
+            });
+        }
       },
     );
   }
@@ -137,6 +150,23 @@ export default class Issue {
     this.reopenButtons.toggleClass('hidden', !isClosed);
   }
 
+  toggleWarningAndCloseButton() {
+    const warningBanner = $('.js-close-blocked-issue-warning');
+    warningBanner.toggleClass('hidden');
+    $('.btn-close').toggleClass('hidden');
+    if (this.closeReopenReportToggle) {
+      $('.js-issuable-close-dropdown').toggleClass('hidden');
+    }
+  }
+
+  initIssueWarningBtnEventListener() {
+    return $(document).on('click', '.js-close-blocked-issue-warning button.btn-secondary', e => {
+      e.preventDefault();
+      e.stopImmediatePropagation();
+      this.toggleWarningAndCloseButton();
+    });
+  }
+
   static submitNoteForm(form) {
     const noteText = form.find('textarea.js-note-text').val();
     if (noteText && noteText.trim().length > 0) {

app/views/projects/issues/show.html.haml

@@ -10,6 +10,8 @@
 - can_report_spam = @issue.submittable_as_spam_by?(current_user)
 - can_create_issue = show_new_issue_link?(@project)
 
+= render_if_exists "projects/issues/alert_blocked", issue: @issue, current_user: current_user
+
 .detail-page-header
   .detail-page-header-body
     .issuable-status-box.status-box.status-box-issue-closed{ class: issue_status_visibility(@issue, status_box: :closed) }
@@ -50,7 +52,7 @@
               %li.divider
             %li= link_to 'New issue', new_project_issue_path(@project), id: 'new_issue_link'
 
-    = render 'shared/issuable/close_reopen_button', issuable: @issue, can_update: can_update_issue, can_reopen: can_reopen_issue
+    = render 'shared/issuable/close_reopen_button', issuable: @issue, can_update: can_update_issue, can_reopen: can_reopen_issue, warn_before_close: defined?(@issue.blocked?) && @issue.blocked?
 
     - if can_report_spam
       = link_to 'Submit as spam', mark_as_spam_project_issue_path(@project, @issue), method: :post, class: 'd-none d-sm-none d-md-block btn btn-grouped btn-spam', title: 'Submit as spam'

app/views/shared/issuable/_close_reopen_button.html.haml

@@ -2,17 +2,20 @@
 - display_issuable_type = issuable_display_type(issuable)
 - button_method = issuable_close_reopen_button_method(issuable)
 - are_close_and_open_buttons_hidden = issuable_button_hidden?(issuable, true) && issuable_button_hidden?(issuable, false)
+- add_blocked_class = false
+- if defined? warn_before_close
+  - add_blocked_class = warn_before_close
 
 - if is_current_user
   - if can_update
     = link_to "Close #{display_issuable_type}", close_issuable_path(issuable), method: button_method,
-              class: "d-none d-sm-none d-md-block btn btn-grouped btn-close js-btn-issue-action #{issuable_button_visibility(issuable, true)}", title: "Close #{display_issuable_type}", data: { qa_selector: 'close_issue_button' }
+              class: "d-none d-sm-none d-md-block btn btn-grouped btn-close js-btn-issue-action #{issuable_button_visibility(issuable, true)} #{(add_blocked_class ? 'btn-issue-blocked' : '')}", title: "Close #{display_issuable_type}", data: { qa_selector: 'close_issue_button' }
   - if can_reopen
     = link_to "Reopen #{display_issuable_type}", reopen_issuable_path(issuable), method: button_method,
               class: "d-none d-sm-none d-md-block btn btn-grouped btn-reopen js-btn-issue-action #{issuable_button_visibility(issuable, false)}", title: "Reopen #{display_issuable_type}", data: { qa_selector: 'reopen_issue_button' }
 - else
   - if can_update && !are_close_and_open_buttons_hidden
-    = render 'shared/issuable/close_reopen_report_toggle', issuable: issuable
+    = render 'shared/issuable/close_reopen_report_toggle', issuable: issuable, warn_before_close: add_blocked_class
   - else
     = link_to 'Report abuse', new_abuse_report_path(user_id: issuable.author.id, ref_url: issuable_url(issuable)),
               class: 'd-none d-sm-none d-md-block btn btn-grouped btn-close-color', title: 'Report abuse'

app/views/shared/issuable/_close_reopen_report_toggle.html.haml

@@ -5,10 +5,13 @@
 - button_class = "#{button_responsive_class} btn btn-grouped js-issuable-close-button js-btn-issue-action issuable-close-button"
 - toggle_class = "#{button_responsive_class} btn btn-nr dropdown-toggle js-issuable-close-toggle"
 - button_method = issuable_close_reopen_button_method(issuable)
+- add_blocked_class = false
+- if defined? warn_before_close
+  - add_blocked_class = !issuable.closed? && warn_before_close
 
 .float-left.btn-group.prepend-left-10.issuable-close-dropdown.droplab-dropdown.js-issuable-close-dropdown
   = link_to "#{display_button_action} #{display_issuable_type}", close_reopen_issuable_path(issuable),
-            method: button_method, class: "#{button_class} btn-#{button_action}", title: "#{display_button_action} #{display_issuable_type}"
+            method: button_method, class: "#{button_class} btn-#{button_action} #{(add_blocked_class ? 'btn-issue-blocked' : '')}", title: "#{display_button_action} #{display_issuable_type}"
 
   = button_tag type: 'button', class: "#{toggle_class} btn-#{button_action}-color",
                data: { 'dropdown-trigger' => '#issuable-close-menu' }, 'aria-label' => 'Toggle dropdown' do

ee/app/serializers/ee/issue_entity.rb

@@ -11,7 +11,7 @@ module EE
 
         expose :blocked_by_issues do |issue|
           issues = issue.blocked_by_issues(request.current_user)
-          serializer_options = options.merge(only: [:id, :web_url])
+          serializer_options = options.merge(only: [:iid, :web_url])
 
           ::IssueEntity.represent(issues, serializer_options)
         end

ee/app/views/projects/issues/_alert_blocked.html.haml

+- blocked_by_issues = @issue.blocked_by_issues(current_user)
+- blocked_by_issues_links = blocked_by_issues.map { |blocking_issue| link_to "\##{blocking_issue.iid}", project_issue_path(blocking_issue.project, blocking_issue), class: 'gl-link' }.join(', ').html_safe
+
+- if @issue.blocked? && @issue.blocked_by_issues(current_user).length > 0
+  .hidden.js-close-blocked-issue-warning.gl-alert.gl-alert-warning.prepend-top-16{ role: 'alert' }
+    = sprite_icon('warning', size: 16, css_class: 'gl-icon gl-alert-icon')
+    %h4.gl-alert-title
+      = _('Are you sure you want to close this blocked issue?')
+    .gl-alert-body
+      = _('This issue is currently blocked by the following issues: %{issues}.').html_safe % { issues: blocked_by_issues_links }
+    .gl-alert-actions
+      = link_to _("Yes, close issue"), close_issuable_path(issue), rel: 'nofollow', method: '',
+                class: "btn btn-close-anyway gl-alert-action btn-warning btn-md gl-button", title: _("Yes, close issue")
+      %button.btn.gl-alert-action.btn-warning.btn-md.gl-button.btn-secondary
+        = s_('Cancel')

ee/spec/frontend/fixtures/issues.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::IssuesController, '(JavaScript fixtures)', type: :controller do
+  include JavaScriptFixturesHelpers
+
+  let(:user) { create(:user, feed_token: 'feedtoken:coldfeed') }
+  let(:group) { create(:group) }
+  let(:project) { create(:project_empty_repo, namespace: group, path: 'issues-project') }
+
+  render_views
+
+  before(:all) do
+    clean_frontend_fixtures('ee/issues/')
+  end
+
+  before do
+    project.add_developer(user)
+
+    sign_in(user)
+  end
+
+  after do
+    remove_repository(project)
+  end
+
+  it 'ee/issues/blocked-issue.html' do
+    issue = create(:issue, project: project)
+    related_issue = create(:issue, project: project)
+    create(:issue_link, source: related_issue, target: issue, link_type: IssueLink::TYPE_BLOCKS)
+    render_issue(issue)
+  end
+
+  private
+
+  def render_issue(issue)
+    get :show, params: {
+      namespace_id: project.namespace.to_param,
+      project_id: project,
+      id: issue.to_param
+    }
+
+    expect(response).to be_successful
+  end
+end

ee/spec/frontend/issue_spec.js

+/* eslint-disable one-var */
+
+import $ from 'jquery';
+import MockAdapter from 'axios-mock-adapter';
+import axios from '~/lib/utils/axios_utils';
+import Issue from '~/issue';
+import '~/lib/utils/text_utility';
+
+describe('Issue', () => {
+  let testContext;
+
+  beforeEach(() => {
+    testContext = {};
+  });
+
+  let $btn, $dropdown, $alert, $boxOpen, $boxClosed;
+
+  preloadFixtures('ee/issues/blocked-issue.html');
+
+  describe('with blocked issue', () => {
+    let mock;
+
+    function setup() {
+      testContext.issue = new Issue();
+
+      testContext.$projectIssuesCounter = $('.issue_counter').first();
+      testContext.$projectIssuesCounter.text('1,001');
+    }
+
+    function mockCloseButtonResponseSuccess(url, response) {
+      mock.onPut(url).reply(() => [200, response]);
+    }
+
+    beforeEach(() => {
+      loadFixtures('ee/issues/blocked-issue.html');
+
+      mock = new MockAdapter(axios);
+      mock.onGet(/(.*)\/related_branches$/).reply(200, {});
+      jest.spyOn(axios, 'get');
+    });
+
+    afterEach(() => {
+      mock.restore();
+    });
+
+    it(`displays warning when attempting to close the issue`, done => {
+      setup();
+
+      $btn = $('.js-issuable-close-button');
+      $dropdown = $('.js-issuable-close-dropdown ');
+      $alert = $('.js-close-blocked-issue-warning');
+
+      expect($btn).toExist();
+      expect($btn).toHaveClass('btn-issue-blocked');
+      expect($dropdown).not.toHaveClass('hidden');
+      expect($alert).toHaveClass('hidden');
+
+      testContext.$triggeredButton = $btn;
+      testContext.$triggeredButton.trigger('click');
+
+      setImmediate(() => {
+        expect($alert).not.toHaveClass('hidden');
+        expect($dropdown).toHaveClass('hidden');
+
+        done();
+      });
+    });
+
+    it(`hides warning when cancelling closing the issue`, done => {
+      setup();
+
+      $btn = $('.js-issuable-close-button');
+      $alert = $('.js-close-blocked-issue-warning');
+
+      testContext.$triggeredButton = $btn;
+      testContext.$triggeredButton.trigger('click');
+
+      setImmediate(() => {
+        expect($alert).not.toHaveClass('hidden');
+
+        const $cancelbtn = $('.js-close-blocked-issue-warning .btn-secondary');
+        $cancelbtn.trigger('click');
+
+        expect($alert).toHaveClass('hidden');
+
+        done();
+      });
+    });
+
+    it('closes the issue when clicking alert close button', done => {
+      $btn = $('.js-issuable-close-button');
+      $boxOpen = $('div.status-box-open');
+      $boxClosed = $('div.status-box-issue-closed');
+
+      expect($boxOpen).not.toHaveClass('hidden');
+      expect($boxOpen).toHaveText('Open');
+      expect($boxClosed).toHaveClass('hidden');
+
+      testContext.$triggeredButton = $btn;
+
+      mockCloseButtonResponseSuccess(testContext.$triggeredButton.attr('href'), {
+        id: 34,
+      });
+
+      setup();
+      testContext.$triggeredButton.trigger('click');
+
+      const $btnCloseAnyway = $('.js-close-blocked-issue-warning .btn-close-anyway');
+      $btnCloseAnyway.trigger('click');
+
+      setImmediate(() => {
+        expect($btn).toHaveText('Reopen');
+        expect($boxOpen).toHaveClass('hidden');
+        expect($boxClosed).not.toHaveClass('hidden');
+        expect($boxClosed).toHaveText('Closed');
+
+        done();
+      });
+    });
+  });
+});

ee/spec/serializers/ee/issue_entity_spec.rb

@@ -32,10 +32,10 @@ describe IssueEntity do
       expect(subject).to include(:blocked_by_issues)
     end
 
-    it 'exposes only id and web_path' do
+    it 'exposes only iid and web_url' do
       response = described_class.new(blocked_issue, request: request, with_blocking_issues: true).as_json
 
-      expect(response[:blocked_by_issues].first.keys).to match_array([:id, :web_url])
+      expect(response[:blocked_by_issues].first.keys).to match_array([:iid, :web_url])
     end
   end
 end

locale/gitlab.pot

@@ -2423,6 +2423,9 @@ msgstr ""
 msgid "Are you sure you want to cancel editing this comment?"
 msgstr ""
 
+msgid "Are you sure you want to close this blocked issue?"
+msgstr ""
+
 msgid "Are you sure you want to delete %{name}?"
 msgstr ""
 
@@ -21074,6 +21077,9 @@ msgstr ""
 msgid "This issue is confidential"
 msgstr ""
 
+msgid "This issue is currently blocked by the following issues: %{issues}."
+msgstr ""
+
 msgid "This issue is locked."
 msgstr ""
 
@@ -23640,6 +23646,9 @@ msgstr ""
 msgid "Yes, add it"
 msgstr ""
 
+msgid "Yes, close issue"
+msgstr ""
+
 msgid "Yes, let me map Google Code users to full names or GitLab users."
 msgstr ""