Show the status of a user in interactions

The status is shown for
- The author of a commit when viewing a commit
- Notes on a commit (regular/diff)
- The user that triggered a pipeline when viewing a pipeline
- The author of a merge request when viewing a merge request
- The author of notes on a merge request (regular/diff)
- The author of an issue when viewing an issue
- The author of notes on an issue
- The author of a snippet when viewing a snippet
- The author of notes on a snippet
- A user's profile page
- The list of members of a group/user

43 files changed, 328 insertions, 15 deletions

diff --git a/app/assets/javascripts/notes/components/note_header.vue b/app/assets/javascripts/notes/components/note_header.vue
index ee3580895df..a621418cf72 100644
--- a/app/assets/javascripts/notes/components/note_header.vue
+++ b/app/assets/javascripts/notes/components/note_header.vue
@@ -74,6 +74,9 @@ export default {
     </div>
     <a :href="author.path">
       <span class="note-header-author-name">{{ author.name }}</span>
+      <span
+        v-if="author.status_tooltip_html"
+        v-html="author.status_tooltip_html"></span>
       <span class="note-headline-light">
         @{{ author.username }}
       </span>
diff --git a/app/assets/javascripts/vue_shared/components/header_ci_component.vue b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
index 62d35f6547d..49fbce75110 100644
--- a/app/assets/javascripts/vue_shared/components/header_ci_component.vue
+++ b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
@@ -113,6 +113,9 @@ export default {
 
           {{ user.name }}
         </a>
+        <span
+          v-if="user.status_tooltip_html"
+          v-html="user.status_tooltip_html"></span>
       </template>
     </section>
 
diff --git a/app/controllers/concerns/members_presentation.rb b/app/controllers/concerns/members_presentation.rb
index c0622516fd3..215e0bdf3cb 100644
--- a/app/controllers/concerns/members_presentation.rb
+++ b/app/controllers/concerns/members_presentation.rb
@@ -2,10 +2,18 @@ module MembersPresentation
   extend ActiveSupport::Concern
 
   def present_members(members)
+    preload_associations(members)
     Gitlab::View::Presenter::Factory.new(
       members,
       current_user: current_user,
       presenter_class: MembersPresenter
     ).fabricate!
   end
+
+  def preload_associations(members)
+    ActiveRecord::Associations::Preloader.new.preload(members, :user)
+    ActiveRecord::Associations::Preloader.new.preload(members, :source)
+    ActiveRecord::Associations::Preloader.new.preload(members.map(&:user), :status)
+    ActiveRecord::Associations::Preloader.new.preload(members.map(&:user), :u2f_registrations)
+  end
 end
diff --git a/app/controllers/concerns/membership_actions.rb b/app/controllers/concerns/membership_actions.rb
index 7a6a00b8e13..409e6d4c4d2 100644
--- a/app/controllers/concerns/membership_actions.rb
+++ b/app/controllers/concerns/membership_actions.rb
@@ -1,4 +1,5 @@
 module MembershipActions
+  include MembersPresentation
   extend ActiveSupport::Concern
 
   def create
@@ -20,6 +21,7 @@ module MembershipActions
       .execute(member)
       .present(current_user: current_user)
 
+    present_members([member])
     respond_to do |format|
       format.js { render 'shared/members/update', locals: { member: member } }
     end
diff --git a/app/controllers/concerns/notes_actions.rb b/app/controllers/concerns/notes_actions.rb
index fe9a030cdf2..5127db3f5fb 100644
--- a/app/controllers/concerns/notes_actions.rb
+++ b/app/controllers/concerns/notes_actions.rb
@@ -41,7 +41,7 @@ module NotesActions
     @note = Notes::CreateService.new(note_project, current_user, create_params).execute
 
     if @note.is_a?(Note)
-      Notes::RenderService.new(current_user).execute([@note])
+      prepare_notes_for_rendering([@note], noteable)
     end
 
     respond_to do |format|
@@ -56,7 +56,7 @@ module NotesActions
     @note = Notes::UpdateService.new(project, current_user, note_params).execute(note)
 
     if @note.is_a?(Note)
-      Notes::RenderService.new(current_user).execute([@note])
+      prepare_notes_for_rendering([@note])
     end
 
     respond_to do |format|
diff --git a/app/controllers/concerns/renders_notes.rb b/app/controllers/concerns/renders_notes.rb
index 36e3d76ecfe..cf04023080a 100644
--- a/app/controllers/concerns/renders_notes.rb
+++ b/app/controllers/concerns/renders_notes.rb
@@ -4,6 +4,7 @@ module RendersNotes
     preload_noteable_for_regular_notes(notes)
     preload_max_access_for_authors(notes, @project)
     preload_first_time_contribution_for_authors(noteable, notes)
+    preload_author_status(notes)
     Notes::RenderService.new(current_user).execute(notes)
 
     notes
@@ -28,4 +29,8 @@ module RendersNotes
 
     notes.each {|n| n.specialize_for_first_contribution!(noteable)}
   end
+
+  def preload_author_status(notes)
+    ActiveRecord::Associations::Preloader.new.preload(notes, { author: :status })
+  end
 end
diff --git a/app/controllers/groups/group_members_controller.rb b/app/controllers/groups/group_members_controller.rb
index ef5d5e5c742..7dc51f4c357 100644
--- a/app/controllers/groups/group_members_controller.rb
+++ b/app/controllers/groups/group_members_controller.rb
@@ -30,7 +30,7 @@ class Groups::GroupMembersController < Groups::ApplicationController
     end
 
     @members = @members.page(params[:page]).per(50)
-    @members = present_members(@members.includes(:user))
+    @members = present_members(@members)
 
     @requesters = present_members(
       AccessRequestsFinder.new(@group).execute(current_user))
diff --git a/app/controllers/projects/commit_controller.rb b/app/controllers/projects/commit_controller.rb
index 1d1184d46d1..44b176d304e 100644
--- a/app/controllers/projects/commit_controller.rb
+++ b/app/controllers/projects/commit_controller.rb
@@ -22,7 +22,9 @@ class Projects::CommitController < Projects::ApplicationController
     apply_diff_view_cookie!
 
     respond_to do |format|
-      format.html  { render }
+      format.html  do
+        render
+      end
       format.diff  do
         send_git_diff(@project.repository, @commit.diff_refs)
       end
@@ -124,7 +126,10 @@ class Projects::CommitController < Projects::ApplicationController
   end
 
   def commit
-    @noteable = @commit ||= @project.commit_by(oid: params[:id])
+    @noteable = @commit ||= @project.commit_by(oid: params[:id]).tap do |commit|
+      # preload author and their status for rendering
+      commit&.author&.status
+    end
   end
 
   def define_commit_vars
diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb
index 7c897b2d86c..ef8159aa553 100644
--- a/app/controllers/projects/issues_controller.rb
+++ b/app/controllers/projects/issues_controller.rb
@@ -165,7 +165,7 @@ class Projects::IssuesController < Projects::ApplicationController
     return @issue if defined?(@issue)
 
     # The Sortable default scope causes performance issues when used with find_by
-    @issuable = @noteable = @issue ||= @project.issues.where(iid: params[:id]).reorder(nil).take!
+    @issuable = @noteable = @issue ||= @project.issues.includes(author: :status).where(iid: params[:id]).reorder(nil).take!
     @note = @project.notes.new(noteable: @issuable)
 
     return render_404 unless can?(current_user, :read_issue, @issue)
diff --git a/app/controllers/projects/merge_requests/application_controller.rb b/app/controllers/projects/merge_requests/application_controller.rb
index 8e4aeec16dc..fead81dd472 100644
--- a/app/controllers/projects/merge_requests/application_controller.rb
+++ b/app/controllers/projects/merge_requests/application_controller.rb
@@ -6,7 +6,7 @@ class Projects::MergeRequests::ApplicationController < Projects::ApplicationCont
   private
 
   def merge_request
-    @issuable = @merge_request ||= @project.merge_requests.find_by!(iid: params[:id])
+    @issuable = @merge_request ||= @project.merge_requests.includes(author: :status).find_by!(iid: params[:id])
   end
 
   def merge_request_params
diff --git a/app/controllers/projects/notes_controller.rb b/app/controllers/projects/notes_controller.rb
index 4d4c2af2415..21e2145b73b 100644
--- a/app/controllers/projects/notes_controller.rb
+++ b/app/controllers/projects/notes_controller.rb
@@ -1,4 +1,5 @@
 class Projects::NotesController < Projects::ApplicationController
+  include RendersNotes
   include NotesActions
   include NotesHelper
   include ToggleAwardEmoji
@@ -53,7 +54,7 @@ class Projects::NotesController < Projects::ApplicationController
   private
 
   def render_json_with_notes_serializer
-    Notes::RenderService.new(current_user).execute([note])
+    prepare_notes_for_rendering([note])
 
     render json: note_serializer.represent(note)
   end
diff --git a/app/controllers/projects/pipelines_controller.rb b/app/controllers/projects/pipelines_controller.rb
index 45cef123c34..1d5d1ee5d5a 100644
--- a/app/controllers/projects/pipelines_controller.rb
+++ b/app/controllers/projects/pipelines_controller.rb
@@ -161,7 +161,11 @@ class Projects::PipelinesController < Projects::ApplicationController
   end
 
   def pipeline
-    @pipeline ||= project.pipelines.find_by!(id: params[:id]).present(current_user: current_user)
+    @pipeline ||= project
+                    .pipelines
+                    .includes(user: :status)
+                    .find_by!(id: params[:id])
+                    .present(current_user: current_user)
   end
 
   def commit
diff --git a/app/controllers/projects/snippets_controller.rb b/app/controllers/projects/snippets_controller.rb
index f742d7edf83..7c03d8ce827 100644
--- a/app/controllers/projects/snippets_controller.rb
+++ b/app/controllers/projects/snippets_controller.rb
@@ -88,7 +88,7 @@ class Projects::SnippetsController < Projects::ApplicationController
   protected
 
   def snippet
-    @snippet ||= @project.snippets.find(params[:id])
+    @snippet ||= @project.snippets.inc_relations_for_view.find(params[:id])
   end
   alias_method :awardable, :snippet
   alias_method :spammable, :snippet
diff --git a/app/controllers/snippets/notes_controller.rb b/app/controllers/snippets/notes_controller.rb
index c8b4682e6dc..217da89a1fd 100644
--- a/app/controllers/snippets/notes_controller.rb
+++ b/app/controllers/snippets/notes_controller.rb
@@ -9,7 +9,7 @@ class Snippets::NotesController < ApplicationController
   private
 
   def note
-    @note ||= snippet.notes.find(params[:id])
+    @note ||= snippet.notes.inc_relations_for_view.find(params[:id])
   end
   alias_method :awardable, :note
 
diff --git a/app/controllers/snippets_controller.rb b/app/controllers/snippets_controller.rb
index 1d6d0943674..dcf18c1f751 100644
--- a/app/controllers/snippets_controller.rb
+++ b/app/controllers/snippets_controller.rb
@@ -95,7 +95,7 @@ class SnippetsController < ApplicationController
   protected
 
   def snippet
-    @snippet ||= PersonalSnippet.find_by(id: params[:id])
+    @snippet ||= PersonalSnippet.inc_relations_for_view.find_by(id: params[:id])
   end
 
   alias_method :awardable, :snippet
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index 8766bb43cac..678fed9c414 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -159,6 +159,12 @@ module IssuablesHelper
     output << content_tag(:strong) do
       author_output = link_to_member(project, issuable.author, size: 24, mobile_classes: "d-none d-sm-inline", tooltip: true)
       author_output << link_to_member(project, issuable.author, size: 24, by_username: true, avatar: false, mobile_classes: "d-block d-sm-none")
+
+      if status = user_status(issuable.author)
+        author_output << "&ensp; #{status}".html_safe
+      end
+
+      author_output
     end
 
     output << "&ensp;".html_safe
diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index 8ee4203b6f5..ceea4384f91 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -39,6 +39,24 @@ module UsersHelper
     "access:#{max_project_member_access(project)}"
   end
 
+  def user_status(user)
+    return unless user
+
+    unless user.association(:status).loaded?
+      exception = RuntimeError.new("Status was not preloaded")
+      Gitlab::Sentry.track_exception(exception, extra: { user: user.inspect })
+    end
+
+    return unless user.status
+
+    content_tag :span,
+                class: 'user-status-emoji has-tooltip',
+                title: user.status.message_html,
+                data: { html: true, placement: 'top' } do
+      emoji_icon user.status.emoji
+    end
+  end
+
   private
 
   def get_profile_tabs
diff --git a/app/models/note.rb b/app/models/note.rb
index fe3507adcb3..87cf7c7b2fa 100644
--- a/app/models/note.rb
+++ b/app/models/note.rb
@@ -101,7 +101,7 @@ class Note < ActiveRecord::Base
   scope :inc_author_project, -> { includes(:project, :author) }
   scope :inc_author, -> { includes(:author) }
   scope :inc_relations_for_view, -> do
-    includes(:project, :author, :updated_by, :resolved_by, :award_emoji,
+    includes(:project, { author: :status }, :updated_by, :resolved_by, :award_emoji,
              :system_note_metadata, :note_diff_file)
   end
 
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index 644120453cf..390bdbf838a 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -49,6 +49,7 @@ class Snippet < ActiveRecord::Base
   scope :are_public, -> { where(visibility_level: Snippet::PUBLIC) }
   scope :public_and_internal, -> { where(visibility_level: [Snippet::PUBLIC, Snippet::INTERNAL]) }
   scope :fresh,   -> { order("created_at DESC") }
+  scope :inc_relations_for_view, -> { includes(author: :status) }
 
   participant :author
   participant :notes_with_associations
diff --git a/app/models/user_status.rb b/app/models/user_status.rb
index 72938cfbca0..2bbb0c59ac1 100644
--- a/app/models/user_status.rb
+++ b/app/models/user_status.rb
@@ -3,6 +3,10 @@
 class UserStatus < ActiveRecord::Base
   include CacheMarkdownField
 
+  self.primary_key = :user_id
+
+  DEFAULT_EMOJI = 'speech_balloon'.freeze
+
   belongs_to :user
 
   validates :user, presence: true
diff --git a/app/serializers/concerns/user_status_tooltip.rb b/app/serializers/concerns/user_status_tooltip.rb
new file mode 100644
index 00000000000..aa6e67e3351
--- /dev/null
+++ b/app/serializers/concerns/user_status_tooltip.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module UserStatusTooltip
+  extend ActiveSupport::Concern
+  include ActionView::Helpers::TagHelper
+  include ActionView::Context
+  include EmojiHelper
+  include UsersHelper
+
+  included do
+    expose :user_status_if_loaded, as: :status_tooltip_html
+
+    def user_status_if_loaded
+      return nil unless object.association(:status).loaded?
+
+      user_status(object)
+    end
+  end
+end
diff --git a/app/serializers/user_entity.rb b/app/serializers/user_entity.rb
index 6236d66ff4a..656900bb8af 100644
--- a/app/serializers/user_entity.rb
+++ b/app/serializers/user_entity.rb
@@ -2,6 +2,7 @@
 
 class UserEntity < API::Entities::UserBasic
   include RequestAwareEntity
+  include UserStatusTooltip
 
   expose :path do |user|
     user_path(user)
diff --git a/app/services/users/set_status_service.rb b/app/services/users/set_status_service.rb
index 275e13faf59..89008368d5f 100644
--- a/app/services/users/set_status_service.rb
+++ b/app/services/users/set_status_service.rb
@@ -24,6 +24,7 @@ module Users
     private
 
     def set_status
+      params[:emoji] = UserStatus::DEFAULT_EMOJI if params[:emoji].blank?
       user_status.update(params)
     end
 
diff --git a/app/views/projects/commit/_commit_box.html.haml b/app/views/projects/commit/_commit_box.html.haml
index 78522393d4b..8afbbaf378f 100644
--- a/app/views/projects/commit/_commit_box.html.haml
+++ b/app/views/projects/commit/_commit_box.html.haml
@@ -13,6 +13,7 @@
     = author_avatar(@commit, size: 24, has_tooltip: false)
     %strong
       = commit_author_link(@commit, avatar: true, size: 24)
+    = user_status(@commit.author)
     - if @commit.different_committer?
       %span.light= _('Committed by')
       %strong
diff --git a/app/views/shared/members/_member.html.haml b/app/views/shared/members/_member.html.haml
index 46debe1f2b9..af29c0fe59e 100644
--- a/app/views/shared/members/_member.html.haml
+++ b/app/views/shared/members/_member.html.haml
@@ -11,6 +11,7 @@
       = image_tag avatar_icon_for_user(user, 40), class: "avatar s40", alt: ''
       .user-info
         = link_to user.name, user_path(user), class: 'member'
+        = user_status(user)
         %span.cgray= user.to_reference
 
         - if user == current_user
diff --git a/app/views/shared/notes/_note.html.haml b/app/views/shared/notes/_note.html.haml
index f5464058bc0..84adbd444c5 100644
--- a/app/views/shared/notes/_note.html.haml
+++ b/app/views/shared/notes/_note.html.haml
@@ -31,7 +31,9 @@
       .note-header
         .note-header-info
           %a{ href: user_path(note.author) }
-            %span.note-header-author-name= sanitize(note.author.name)
+            %span.note-header-author-name
+              = sanitize(note.author.name)
+            = user_status(note.author)
             %span.note-headline-light
               = note.author.to_reference
           %span.note-headline-light
diff --git a/app/views/shared/snippets/_header.html.haml b/app/views/shared/snippets/_header.html.haml
index 828ec870dc0..10bfc30492a 100644
--- a/app/views/shared/snippets/_header.html.haml
+++ b/app/views/shared/snippets/_header.html.haml
@@ -8,6 +8,7 @@
       Authored
       = time_ago_with_tooltip(@snippet.created_at, placement: 'bottom', html_class: 'snippet_updated_ago')
       by #{link_to_member(@project, @snippet.author, size: 24, author_class: "author item-title", avatar_class: "d-none d-sm-inline")}
+      = user_status(@snippet.author)
 
   .detail-page-header-actions
     - if @snippet.project_id?
diff --git a/app/views/users/show.html.haml b/app/views/users/show.html.haml
index 8d9e86d02c4..7a38d290915 100644
--- a/app/views/users/show.html.haml
+++ b/app/views/users/show.html.haml
@@ -40,6 +40,11 @@
         .cover-title
           = @user.name
 
+        - if @user.status
+          .cover-status
+            = emoji_icon(@user.status.emoji)
+            = markdown_field(@user.status, :message)
+
         .cover-desc.member-date
           %p
             %span.middle-dot-divider
diff --git a/changelogs/unreleased/bvl-user-status-message-35463.yml b/changelogs/unreleased/bvl-user-status-message-35463.yml
new file mode 100644
index 00000000000..981f0608c29
--- /dev/null
+++ b/changelogs/unreleased/bvl-user-status-message-35463.yml
@@ -0,0 +1,5 @@
+---
+title: Users can set a status message and emoji
+merge_request: 20614
+author:
+type: added
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index ff1835a34c2..5b347b1109a 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -993,6 +993,29 @@ describe Projects::IssuesController do
         expect(json_response.first.keys).to match_array(%w[id reply_id expanded notes diff_discussion discussion_path individual_note resolvable resolved resolved_at resolved_by resolved_by_push commit_id for_commit project_id])
       end
 
+      it 'renders the author status html if there is a status' do
+        create(:user_status, user: discussion.author)
+
+        get :discussions, namespace_id: project.namespace, project_id: project, id: issue.iid
+
+        note_json = json_response.first['notes'].first
+
+        expect(note_json['author']['status_tooltip_html']).to be_present
+      end
+
+      it 'does not cause an extra query for the status' do
+        control = ActiveRecord::QueryRecorder.new do
+          get :discussions, namespace_id: project.namespace, project_id: project, id: issue.iid
+        end
+
+        create(:user_status, user: discussion.author)
+        second_discussion = create(:discussion_note_on_issue, noteable: issue, project: issue.project, author: create(:user))
+        create(:user_status, user: second_discussion.author)
+
+        expect { get :discussions, namespace_id: project.namespace, project_id: project, id: issue.iid }
+          .not_to exceed_query_limit(control)
+      end
+
       context 'with cross-reference system note', :request_store do
         let(:new_issue) { create(:issue) }
         let(:cross_reference) { "mentioned in #{new_issue.to_reference(issue.project)}" }
diff --git a/spec/features/groups/members/list_members_spec.rb b/spec/features/groups/members/list_members_spec.rb
index 33f93fcc470..e1587a8b6a5 100644
--- a/spec/features/groups/members/list_members_spec.rb
+++ b/spec/features/groups/members/list_members_spec.rb
@@ -9,7 +9,7 @@ describe 'Groups > Members > List members' do
   let(:nested_group) { create(:group, parent: group) }
 
   before do
-    gitlab_sign_in(user1)
+    sign_in(user1)
   end
 
   it 'show members from current group and parent', :nested_groups do
@@ -32,6 +32,18 @@ describe 'Groups > Members > List members' do
     expect(second_row).to be_blank
   end
 
+  describe 'showing status of members' do
+    before do
+      group.add_developer(user2)
+    end
+
+    subject { visit group_group_members_path(group) }
+
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { user2 }
+    end
+  end
+
   def first_row
     page.all('ul.content-list > li')[0]
   end
diff --git a/spec/features/projects/commit/user_views_user_status_on_commit_spec.rb b/spec/features/projects/commit/user_views_user_status_on_commit_spec.rb
new file mode 100644
index 00000000000..e78b7f7ae08
--- /dev/null
+++ b/spec/features/projects/commit/user_views_user_status_on_commit_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Project > Commit > View user status' do
+  include RepoHelpers
+
+  set(:project) { create(:project, :repository) }
+  set(:user) { create(:user) }
+  let(:commit_author) { create(:user, email: sample_commit.author_email) }
+
+  before do
+    sign_in(user)
+    project.add_developer(user)
+  end
+
+  subject { visit(project_commit_path(project, sample_commit.id)) }
+
+  describe 'status for the commit author' do
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { commit_author }
+    end
+  end
+
+  describe 'status for a comment on the commit' do
+    let(:note) { create(:note, :on_commit, project: project) }
+
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { note.author }
+    end
+  end
+
+  describe 'status for a diff note on the commit' do
+    let(:note) { create(:diff_note_on_commit, project: project) }
+
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { note.author }
+    end
+  end
+end
diff --git a/spec/features/projects/issues/user_views_issue_spec.rb b/spec/features/projects/issues/user_views_issue_spec.rb
index 4093876c289..117e5986f29 100644
--- a/spec/features/projects/issues/user_views_issue_spec.rb
+++ b/spec/features/projects/issues/user_views_issue_spec.rb
@@ -29,4 +29,22 @@ describe "User views issue" do
       expect(page).not_to have_link('Close issue')
     end
   end
+
+  describe 'user status' do
+    subject { visit(project_issue_path(project, issue)) }
+
+    describe 'showing status of the author of the issue' do
+      it_behaves_like 'showing user status' do
+        let(:user_with_status) { issue.author }
+      end
+    end
+
+    describe 'showing status of a user who commented on an issue', :js do
+      let!(:note) { create(:note, noteable: issue, project: project, author: user_with_status) }
+
+      it_behaves_like 'showing user status' do
+        let(:user_with_status) { create(:user) }
+      end
+    end
+  end
 end
diff --git a/spec/features/projects/members/group_members_spec.rb b/spec/features/projects/members/group_members_spec.rb
index 41b2beb40b9..0b2cd13b8ec 100644
--- a/spec/features/projects/members/group_members_spec.rb
+++ b/spec/features/projects/members/group_members_spec.rb
@@ -87,4 +87,12 @@ describe 'Projects members' do
       end
     end
   end
+
+  describe 'showing status of members' do
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { developer }
+
+      subject { visit project_settings_members_path(project) }
+    end
+  end
 end
diff --git a/spec/features/projects/merge_requests/user_views_user_status_on_merge_request_spec.rb b/spec/features/projects/merge_requests/user_views_user_status_on_merge_request_spec.rb
new file mode 100644
index 00000000000..78d9c6c6db1
--- /dev/null
+++ b/spec/features/projects/merge_requests/user_views_user_status_on_merge_request_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Project > Merge request > View user status' do
+  let(:project) { create(:project, :public, :repository) }
+  let(:merge_request) do
+    create(:merge_request, source_project: project, target_project: project, author: create(:user))
+  end
+
+  subject { visit merge_request_path(merge_request) }
+
+  describe 'the status of the merge request author' do
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { merge_request.author }
+    end
+  end
+
+  context 'for notes', :js do
+    describe 'the status of the author of a note on a merge request' do
+      let(:note) { create(:note, noteable: merge_request, project: project, author: create(:user)) }
+
+      it_behaves_like 'showing user status' do
+        let(:user_with_status) { note.author }
+      end
+    end
+
+    describe 'the status of the author of a diff note on a merge request' do
+      let(:note) { create(:diff_note_on_merge_request, noteable: merge_request, project: project, author: create(:user)) }
+
+      it_behaves_like 'showing user status' do
+        let(:user_with_status) { note.author }
+      end
+    end
+  end
+end
diff --git a/spec/features/projects/pipelines/pipeline_spec.rb b/spec/features/projects/pipelines/pipeline_spec.rb
index ecc7cf84138..a84492ea5f1 100644
--- a/spec/features/projects/pipelines/pipeline_spec.rb
+++ b/spec/features/projects/pipelines/pipeline_spec.rb
@@ -63,6 +63,12 @@ describe 'Pipeline', :js do
       expect(page).to have_css('#js-tab-pipeline.active')
     end
 
+    it_behaves_like 'showing user status' do
+      let(:user_with_status) { pipeline.user }
+
+      subject { visit project_pipeline_path(project, pipeline) }
+    end
+
     describe 'pipeline graph' do
       context 'when pipeline has running builds' do
         it 'shows a running icon and a cancel action for the running build' do
diff --git a/spec/features/projects/snippets/show_spec.rb b/spec/features/projects/snippets/show_spec.rb
index 3cc797277dd..f3dc13fb52f 100644
--- a/spec/features/projects/snippets/show_spec.rb
+++ b/spec/features/projects/snippets/show_spec.rb
@@ -141,4 +141,16 @@ describe 'Projects > Snippets > Project snippet', :js do
       end
     end
   end
+
+  it_behaves_like 'showing user status' do
+    let(:file_name) { 'ruby-style-guide.md' }
+    let(:content) { project.repository.blob_at('master', 'files/markdown/ruby-style-guide.md').data }
+
+    let(:user_with_status) { snippet.author }
+
+    subject do
+      visit project_snippet_path(project, snippet)
+      wait_for_requests
+    end
+  end
 end
diff --git a/spec/features/snippets/notes_on_personal_snippets_spec.rb b/spec/features/snippets/notes_on_personal_snippets_spec.rb
index 269351e55c9..1442e011d52 100644
--- a/spec/features/snippets/notes_on_personal_snippets_spec.rb
+++ b/spec/features/snippets/notes_on_personal_snippets_spec.rb
@@ -16,6 +16,8 @@ describe 'Comments on personal snippets', :js do
   before do
     sign_in user
     visit snippet_path(snippet)
+
+    wait_for_requests
   end
 
   subject { page }
@@ -42,6 +44,15 @@ describe 'Comments on personal snippets', :js do
         expect(page).to have_selector('.note-emoji-button')
       end
     end
+
+    it 'shows the status of a note author' do
+      status = create(:user_status, user: user)
+      visit snippet_path(snippet)
+
+      within("#note_#{snippet_notes[0].id}") do
+        expect(page).to show_user_status(status)
+      end
+    end
   end
 
   context 'when submitting a note' do
diff --git a/spec/features/snippets/show_spec.rb b/spec/features/snippets/show_spec.rb
index f31457db92f..3fe0b60b18f 100644
--- a/spec/features/snippets/show_spec.rb
+++ b/spec/features/snippets/show_spec.rb
@@ -155,4 +155,12 @@ describe 'Snippet', :js do
       end
     end
   end
+
+  it_behaves_like 'showing user status' do
+    let(:file_name) { 'popen.rb' }
+    let(:content) { project.repository.blob_at('master', 'files/ruby/popen.rb').data }
+    let(:user_with_status) { snippet.author }
+
+    subject { visit snippet_path(snippet) }
+  end
 end
diff --git a/spec/features/users/show_spec.rb b/spec/features/users/show_spec.rb
index 207c333c636..bc07ab48c39 100644
--- a/spec/features/users/show_spec.rb
+++ b/spec/features/users/show_spec.rb
@@ -53,6 +53,14 @@ describe 'User page' do
     end
   end
 
+  it 'shows the status if there was one' do
+    create(:user_status, user: user, message: "Working hard!")
+
+    visit(user_path(user))
+
+    expect(page).to have_content("Working hard!")
+  end
+
   context 'signup disabled' do
     it 'shows the sign in link' do
       stub_application_setting(signup_enabled: false)
diff --git a/spec/support/matchers/user_status_matcher.rb b/spec/support/matchers/user_status_matcher.rb
new file mode 100644
index 00000000000..3cf240d874a
--- /dev/null
+++ b/spec/support/matchers/user_status_matcher.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+RSpec::Matchers.define :show_user_status do |status|
+  match do |page|
+    expect(page).to have_selector(".user-status-emoji[title='#{status.message}']")
+
+    # The same user status might be displayed multiple times on the page
+    emoji_span = page.first(".user-status-emoji[title='#{status.message}']")
+    page.within(emoji_span) do
+      expect(page).to have_emoji(status.emoji)
+    end
+  end
+end
diff --git a/spec/support/shared_examples/showing_user_status_shared_examples.rb b/spec/support/shared_examples/showing_user_status_shared_examples.rb
new file mode 100644
index 00000000000..eef769de2fc
--- /dev/null
+++ b/spec/support/shared_examples/showing_user_status_shared_examples.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+shared_examples 'showing user status' do
+  let!(:status) { create(:user_status, user: user_with_status, emoji: 'smirk', message: 'Authoring this object') }
+
+  it 'shows the status' do
+    subject
+
+    expect(page).to show_user_status(status)
+  end
+end
diff --git a/spec/views/projects/merge_requests/show.html.haml_spec.rb b/spec/views/projects/merge_requests/show.html.haml_spec.rb
index fe6ad26a6f6..fa6c4ce4ac8 100644
--- a/spec/views/projects/merge_requests/show.html.haml_spec.rb
+++ b/spec/views/projects/merge_requests/show.html.haml_spec.rb
@@ -17,6 +17,13 @@ describe 'projects/merge_requests/show.html.haml' do
       author: user)
   end
 
+  def preload_view_requirements
+    # This will load the status fields of the author of the note and merge request
+    # to avoid queries in when rendering the view being tested.
+    closed_merge_request.author.status
+    note.author.status
+  end
+
   before do
     assign(:project, project)
     assign(:merge_request, closed_merge_request)
@@ -26,6 +33,8 @@ describe 'projects/merge_requests/show.html.haml' do
     assign(:notes, [])
     assign(:pipelines, Ci::Pipeline.none)
 
+    preload_view_requirements
+
     allow(view).to receive_messages(current_user: user,
                                     can?: true,
                                     current_application_settings: Gitlab::CurrentSettings.current_application_settings)
@@ -42,6 +51,7 @@ describe 'projects/merge_requests/show.html.haml' do
     it 'does not show the "Reopen" button when the source project does not exist' do
       unlink_project.execute
       closed_merge_request.reload
+      preload_view_requirements
 
       render
 
@@ -56,6 +66,7 @@ describe 'projects/merge_requests/show.html.haml' do
       forked_project.destroy
       # Reload merge request so MergeRequest#source_project turns to `nil`
       closed_merge_request.reload
+      preload_view_requirements
 
       render