Merge branch 'ce-5784-user-board-lists' into 'master'

Backport of "Add assignee lists to boards"

See merge request gitlab-org/gitlab-ce!19464

33 files changed, 273 insertions, 118 deletions

diff --git a/app/assets/javascripts/boards/components/board_list.vue b/app/assets/javascripts/boards/components/board_list.vue
index 84a7f277227..0692c96e767 100644
--- a/app/assets/javascripts/boards/components/board_list.vue
+++ b/app/assets/javascripts/boards/components/board_list.vue
@@ -87,10 +87,46 @@ export default {
   mounted() {
     const options = gl.issueBoards.getBoardSortableDefaultOptions({
       scroll: true,
-      group: 'issues',
       disabled: this.disabled,
       filter: '.board-list-count, .is-disabled',
       dataIdAttr: 'data-issue-id',
+      group: {
+        name: 'issues',
+        /**
+         * Dynamically determine between which containers
+         * items can be moved or copied as
+         * Assignee lists (EE feature) require this behavior
+         */
+        pull: (to, from, dragEl, e) => {
+          // As per Sortable's docs, `to` should provide
+          // reference to exact sortable container on which
+          // we're trying to drag element, but either it is
+          // a library's bug or our markup structure is too complex
+          // that `to` never points to correct container
+          // See https://github.com/RubaXa/Sortable/issues/1037
+          //
+          // So we use `e.target` which is always accurate about
+          // which element we're currently dragging our card upon
+          // So from there, we can get reference to actual container
+          // and thus the container type to enable Copy or Move
+          if (e.target) {
+            const containerEl = e.target.closest('.js-board-list') || e.target.querySelector('.js-board-list');
+            const toBoardType = containerEl.dataset.boardType;
+
+            if (toBoardType) {
+              const fromBoardType = this.list.type;
+
+              if ((fromBoardType === 'assignee' && toBoardType === 'label') ||
+                  (fromBoardType === 'label' && toBoardType === 'assignee')) {
+                return 'clone';
+              }
+            }
+          }
+
+          return true;
+        },
+        revertClone: true,
+      },
       onStart: (e) => {
         const card = this.$refs.issue[e.oldIndex];
 
@@ -179,10 +215,11 @@ export default {
       :list="list"
       v-if="list.type !== 'closed' && showIssueForm"/>
     <ul
-      class="board-list"
+      class="board-list js-board-list"
       v-show="!loading"
       ref="list"
       :data-board="list.id"
+      :data-board-type="list.type"
       :class="{ 'is-smaller': showIssueForm }">
       <board-card
         v-for="(issue, index) in issues"
diff --git a/app/assets/javascripts/boards/components/board_new_issue.vue b/app/assets/javascripts/boards/components/board_new_issue.vue
index e8dfd95f7ae..297c9eff38c 100644
--- a/app/assets/javascripts/boards/components/board_new_issue.vue
+++ b/app/assets/javascripts/boards/components/board_new_issue.vue
@@ -49,11 +49,12 @@ export default {
       this.error = false;
 
       const labels = this.list.label ? [this.list.label] : [];
+      const assignees = this.list.assignee ? [this.list.assignee] : [];
       const issue = new ListIssue({
         title: this.title,
         labels,
         subscribed: true,
-        assignees: [],
+        assignees,
         project_id: this.selectedProject.id,
       });
 
@@ -141,4 +142,3 @@ export default {
     </div>
   </div>
 </template>
-
diff --git a/app/assets/javascripts/boards/components/new_list_dropdown.js b/app/assets/javascripts/boards/components/new_list_dropdown.js
index 71f49319c36..6dcd4aaec43 100644
--- a/app/assets/javascripts/boards/components/new_list_dropdown.js
+++ b/app/assets/javascripts/boards/components/new_list_dropdown.js
@@ -56,6 +56,7 @@ gl.issueBoards.newListDropdownInit = () => {
       filterable: true,
       selectable: true,
       multiSelect: true,
+      containerSelector: '.js-tab-container-labels .dropdown-page-one .dropdown-content',
       clicked (options) {
         const { e } = options;
         const label = options.selectedObj;
diff --git a/app/assets/javascripts/boards/index.js b/app/assets/javascripts/boards/index.js
index 29ab13b8e0b..cdad8d238e3 100644
--- a/app/assets/javascripts/boards/index.js
+++ b/app/assets/javascripts/boards/index.js
@@ -7,6 +7,7 @@ import Vue from 'vue';
 import Flash from '~/flash';
 import { __ } from '~/locale';
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 
 import FilteredSearchBoards from './filtered_search_boards';
 import eventHub from './eventhub';
@@ -15,7 +16,6 @@ import './models/issue';
 import './models/list';
 import './models/milestone';
 import './models/project';
-import './models/assignee';
 import './stores/boards_store';
 import ModalStore from './stores/modal_store';
 import BoardService from './services/board_service';
diff --git a/app/assets/javascripts/boards/models/assignee.js b/app/assets/javascripts/boards/models/assignee.js
deleted file mode 100644
index 05dd449e4fd..00000000000
--- a/app/assets/javascripts/boards/models/assignee.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/* eslint-disable no-unused-vars */
-
-class ListAssignee {
-  constructor(user, defaultAvatar) {
-    this.id = user.id;
-    this.name = user.name;
-    this.username = user.username;
-    this.avatar = user.avatar_url || defaultAvatar;
-  }
-}
-
-window.ListAssignee = ListAssignee;
diff --git a/app/assets/javascripts/boards/models/list.js b/app/assets/javascripts/boards/models/list.js
index 7144f4190e7..a79dd62e2e4 100644
--- a/app/assets/javascripts/boards/models/list.js
+++ b/app/assets/javascripts/boards/models/list.js
@@ -1,12 +1,14 @@
 /* eslint-disable space-before-function-paren, no-underscore-dangle, class-methods-use-this, consistent-return, no-shadow, no-param-reassign, max-len, no-unused-vars */
 /* global ListIssue */
-/* global ListLabel */
+
+import ListLabel from '~/vue_shared/models/label';
+import ListAssignee from '~/vue_shared/models/assignee';
 import queryData from '../utils/query_data';
 
 const PER_PAGE = 20;
 
 class List {
-  constructor (obj, defaultAvatar) {
+  constructor(obj, defaultAvatar) {
     this.id = obj.id;
     this._uid = this.guid();
     this.position = obj.position;
@@ -24,6 +26,9 @@ class List {
 
     if (obj.label) {
       this.label = new ListLabel(obj.label);
+    } else if (obj.user) {
+      this.assignee = new ListAssignee(obj.user);
+      this.title = this.assignee.name;
     }
 
     if (this.type !== 'blank' && this.id) {
@@ -34,14 +39,25 @@ class List {
   }
 
   guid() {
-    const s4 = () => Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
+    const s4 = () =>
+      Math.floor((1 + Math.random()) * 0x10000)
+        .toString(16)
+        .substring(1);
     return `${s4()}${s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`;
   }
 
-  save () {
+  save() {
+    const entity = this.label || this.assignee;
+    let entityType = '';
+    if (this.label) {
+      entityType = 'label_id';
+    } else {
+      entityType = 'assignee_id';
+    }
+
     return gl.boardService.createList(this.label.id)
       .then(res => res.data)
-      .then((data) => {
+      .then(data => {
         this.id = data.id;
         this.type = data.list_type;
         this.position = data.position;
@@ -50,25 +66,23 @@ class List {
       });
   }
 
-  destroy () {
+  destroy() {
     const index = gl.issueBoards.BoardsStore.state.lists.indexOf(this);
     gl.issueBoards.BoardsStore.state.lists.splice(index, 1);
     gl.issueBoards.BoardsStore.updateNewListDropdown(this.id);
 
-    gl.boardService.destroyList(this.id)
-      .catch(() => {
-        // TODO: handle request error
-      });
+    gl.boardService.destroyList(this.id).catch(() => {
+      // TODO: handle request error
+    });
   }
 
-  update () {
-    gl.boardService.updateList(this.id, this.position)
-      .catch(() => {
-        // TODO: handle request error
-      });
+  update() {
+    gl.boardService.updateList(this.id, this.position).catch(() => {
+      // TODO: handle request error
+    });
   }
 
-  nextPage () {
+  nextPage() {
     if (this.issuesSize > this.issues.length) {
       if (this.issues.length / PER_PAGE >= 1) {
         this.page += 1;
@@ -78,7 +92,7 @@ class List {
     }
   }
 
-  getIssues (emptyIssues = true) {
+  getIssues(emptyIssues = true) {
     const data = queryData(gl.issueBoards.BoardsStore.filter.path, { page: this.page });
 
     if (this.label && data.label_name) {
@@ -89,7 +103,8 @@ class List {
       this.loading = true;
     }
 
-    return gl.boardService.getIssuesForList(this.id, data)
+    return gl.boardService
+      .getIssuesForList(this.id, data)
       .then(res => res.data)
       .then((data) => {
         this.loading = false;
@@ -103,11 +118,12 @@ class List {
       });
   }
 
-  newIssue (issue) {
+  newIssue(issue) {
     this.addIssue(issue, null, 0);
     this.issuesSize += 1;
 
-    return gl.boardService.newIssue(this.id, issue)
+    return gl.boardService
+      .newIssue(this.id, issue)
       .then(res => res.data)
       .then((data) => {
         issue.id = data.id;
@@ -123,13 +139,13 @@ class List {
       });
   }
 
-  createIssues (data) {
-    data.forEach((issueObj) => {
+  createIssues(data) {
+    data.forEach(issueObj => {
       this.addIssue(new ListIssue(issueObj, this.defaultAvatar));
     });
   }
 
-  addIssue (issue, listFrom, newIndex) {
+  addIssue(issue, listFrom, newIndex) {
     let moveBeforeId = null;
     let moveAfterId = null;
 
@@ -152,6 +168,13 @@ class List {
         issue.addLabel(this.label);
       }
 
+      if (this.assignee) {
+        if (listFrom && listFrom.type === 'assignee') {
+          issue.removeAssignee(listFrom.assignee);
+        }
+        issue.addAssignee(this.assignee);
+      }
+
       if (listFrom) {
         this.issuesSize += 1;
 
@@ -160,29 +183,29 @@ class List {
     }
   }
 
-  moveIssue (issue, oldIndex, newIndex, moveBeforeId, moveAfterId) {
+  moveIssue(issue, oldIndex, newIndex, moveBeforeId, moveAfterId) {
     this.issues.splice(oldIndex, 1);
     this.issues.splice(newIndex, 0, issue);
 
-    gl.boardService.moveIssue(issue.id, null, null, moveBeforeId, moveAfterId)
-      .catch(() => {
-        // TODO: handle request error
-      });
+    gl.boardService.moveIssue(issue.id, null, null, moveBeforeId, moveAfterId).catch(() => {
+      // TODO: handle request error
+    });
   }
 
   updateIssueLabel(issue, listFrom, moveBeforeId, moveAfterId) {
-    gl.boardService.moveIssue(issue.id, listFrom.id, this.id, moveBeforeId, moveAfterId)
+    gl.boardService
+      .moveIssue(issue.id, listFrom.id, this.id, moveBeforeId, moveAfterId)
       .catch(() => {
         // TODO: handle request error
       });
   }
 
-  findIssue (id) {
+  findIssue(id) {
     return this.issues.find(issue => issue.id === id);
   }
 
-  removeIssue (removeIssue) {
-    this.issues = this.issues.filter((issue) => {
+  removeIssue(removeIssue) {
+    this.issues = this.issues.filter(issue => {
       const matchesRemove = removeIssue.id === issue.id;
 
       if (matchesRemove) {
diff --git a/app/assets/javascripts/boards/services/board_service.js b/app/assets/javascripts/boards/services/board_service.js
index 7c90597f77c..029b0971f2c 100644
--- a/app/assets/javascripts/boards/services/board_service.js
+++ b/app/assets/javascripts/boards/services/board_service.js
@@ -30,11 +30,13 @@ export default class BoardService {
     return axios.post(this.listsEndpointGenerate, {});
   }
 
-  createList(labelId) {
+  createList(entityId, entityType) {
+    const list = {
+      [entityType]: entityId,
+    };
+
     return axios.post(this.listsEndpoint, {
-      list: {
-        label_id: labelId,
-      },
+      list,
     });
   }
 
diff --git a/app/assets/javascripts/boards/stores/boards_store.js b/app/assets/javascripts/boards/stores/boards_store.js
index 20e78edf2a2..7dc83843e9b 100644
--- a/app/assets/javascripts/boards/stores/boards_store.js
+++ b/app/assets/javascripts/boards/stores/boards_store.js
@@ -103,8 +103,15 @@ gl.issueBoards.BoardsStore = {
     const listLabels = issueLists.map(listIssue => listIssue.label);
 
     if (!issueTo) {
-      // Add to new lists issues if it doesn't already exist
-      listTo.addIssue(issue, listFrom, newIndex);
+      // Check if target list assignee is already present in this issue
+      if ((listTo.type === 'assignee' && listFrom.type === 'assignee') &&
+          issue.findAssignee(listTo.assignee)) {
+        const targetIssue = listTo.findIssue(issue.id);
+        targetIssue.removeAssignee(listFrom.assignee);
+      } else {
+        // Add to new lists issues if it doesn't already exist
+        listTo.addIssue(issue, listFrom, newIndex);
+      }
     } else {
       listTo.updateIssueLabel(issue, listFrom);
       issueTo.removeLabel(listFrom.label);
@@ -115,7 +122,11 @@ gl.issueBoards.BoardsStore = {
         list.removeIssue(issue);
       });
       issue.removeLabels(listLabels);
-    } else {
+    } else if (listTo.type === 'backlog' && listFrom.type === 'assignee') {
+      issue.removeAssignee(listFrom.assignee);
+      listFrom.removeIssue(issue);
+    } else if ((listTo.type !== 'label' && listFrom.type === 'assignee') ||
+               (listTo.type !== 'assignee' && listFrom.type === 'label')) {
       listFrom.removeIssue(issue);
     }
   },
@@ -126,11 +137,12 @@ gl.issueBoards.BoardsStore = {
     list.moveIssue(issue, oldIndex, newIndex, beforeId, afterId);
   },
   findList (key, val, type = 'label') {
-    return this.state.lists.filter((list) => {
-      const byType = type ? list['type'] === type : true;
+    const filteredList = this.state.lists.filter((list) => {
+      const byType = type ? (list.type === type) || (list.type === 'assignee') : true;
 
       return list[key] === val && byType;
-    })[0];
+    });
+    return filteredList[0];
   },
   updateFiltersUrl () {
     history.pushState(null, null, `?${this.filter.path}`);
diff --git a/app/assets/javascripts/gl_dropdown.js b/app/assets/javascripts/gl_dropdown.js
index 746a06b7c4f..7fbba7e27cb 100644
--- a/app/assets/javascripts/gl_dropdown.js
+++ b/app/assets/javascripts/gl_dropdown.js
@@ -602,7 +602,11 @@ GitLabDropdown = (function() {
     var selector;
     selector = '.dropdown-content';
     if (this.dropdown.find(".dropdown-toggle-page").length) {
-      selector = ".dropdown-page-one .dropdown-content";
+      if (this.options.containerSelector) {
+        selector = this.options.containerSelector;
+      } else {
+        selector = '.dropdown-page-one .dropdown-content';
+      }
     }
 
     return $(selector, this.dropdown).empty();
diff --git a/app/assets/javascripts/vue_shared/models/assignee.js b/app/assets/javascripts/vue_shared/models/assignee.js
new file mode 100644
index 00000000000..4a29b0d0581
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/models/assignee.js
@@ -0,0 +1,13 @@
+export default class ListAssignee {
+  constructor(obj, defaultAvatar) {
+    this.id = obj.id;
+    this.name = obj.name;
+    this.username = obj.username;
+    this.avatar = obj.avatar_url || obj.avatar || defaultAvatar;
+    this.path = obj.path;
+    this.state = obj.state;
+    this.webUrl = obj.web_url || obj.webUrl;
+  }
+}
+
+window.ListAssignee = ListAssignee;
diff --git a/app/controllers/boards/lists_controller.rb b/app/controllers/boards/lists_controller.rb
index 381fd4d7508..e8b5934f2a9 100644
--- a/app/controllers/boards/lists_controller.rb
+++ b/app/controllers/boards/lists_controller.rb
@@ -56,8 +56,12 @@ module Boards
 
     private
 
+    def list_creation_attrs
+      %i[label_id]
+    end
+
     def list_params
-      params.require(:list).permit(:label_id)
+      params.require(:list).permit(list_creation_attrs)
     end
 
     def move_params
@@ -65,11 +69,15 @@ module Boards
     end
 
     def serialize_as_json(resource)
-      resource.as_json(
+      resource.as_json(serialization_attrs)
+    end
+
+    def serialization_attrs
+      {
         only: [:id, :list_type, :position],
         methods: [:title],
         label: true
-      )
+      }
     end
   end
 end
diff --git a/app/finders/group_members_finder.rb b/app/finders/group_members_finder.rb
index 067aff408df..2a656c0d31c 100644
--- a/app/finders/group_members_finder.rb
+++ b/app/finders/group_members_finder.rb
@@ -3,17 +3,29 @@ class GroupMembersFinder
     @group = group
   end
 
-  def execute
+  def execute(include_descendants: false)
     group_members = @group.members
+    wheres = []
 
-    return group_members unless @group.parent
+    return group_members unless @group.parent || include_descendants
 
-    parents_members = GroupMember.non_request
-      .where(source_id: @group.ancestors.select(:id))
-      .where.not(user_id: @group.users.select(:id))
+    wheres << "members.id IN (#{group_members.select(:id).to_sql})"
 
-    wheres = ["members.id IN (#{group_members.select(:id).to_sql})"]
-    wheres << "members.id IN (#{parents_members.select(:id).to_sql})"
+    if @group.parent
+      parents_members = GroupMember.non_request
+        .where(source_id: @group.ancestors.select(:id))
+        .where.not(user_id: @group.users.select(:id))
+
+      wheres << "members.id IN (#{parents_members.select(:id).to_sql})"
+    end
+
+    if include_descendants
+      descendant_members = GroupMember.non_request
+        .where(source_id: @group.descendants.select(:id))
+        .where.not(user_id: @group.users.select(:id))
+
+      wheres << "members.id IN (#{descendant_members.select(:id).to_sql})"
+    end
 
     GroupMember.where(wheres.join(' OR '))
   end
diff --git a/app/finders/members_finder.rb b/app/finders/members_finder.rb
index 4734d97b8c7..4c893ae2de6 100644
--- a/app/finders/members_finder.rb
+++ b/app/finders/members_finder.rb
@@ -7,12 +7,12 @@ class MembersFinder
     @group = project.group
   end
 
-  def execute
+  def execute(include_descendants: false)
     project_members = project.project_members
     project_members = project_members.non_invite unless can?(current_user, :admin_project, project)
 
     if group
-      group_members = GroupMembersFinder.new(group).execute
+      group_members = GroupMembersFinder.new(group).execute(include_descendants: include_descendants)
       group_members = group_members.non_invite
 
       union = Gitlab::SQL::Union.new([project_members, group_members], remove_duplicates: false)
diff --git a/app/models/list.rb b/app/models/list.rb
index 5daf35ef845..4edcfa78835 100644
--- a/app/models/list.rb
+++ b/app/models/list.rb
@@ -2,17 +2,27 @@ class List < ActiveRecord::Base
   belongs_to :board
   belongs_to :label
 
-  enum list_type: { backlog: 0, label: 1, closed: 2 }
+  enum list_type: { backlog: 0, label: 1, closed: 2, assignee: 3 }
 
   validates :board, :list_type, presence: true
   validates :label, :position, presence: true, if: :label?
   validates :label_id, uniqueness: { scope: :board_id }, if: :label?
-  validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }, if: :label?
+  validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }, if: :movable?
 
   before_destroy :can_be_destroyed
 
-  scope :destroyable, -> { where(list_type: list_types[:label]) }
-  scope :movable, -> { where(list_type: list_types[:label]) }
+  scope :destroyable, -> { where(list_type: list_types.slice(*destroyable_types).values) }
+  scope :movable, -> { where(list_type: list_types.slice(*movable_types).values) }
+
+  class << self
+    def destroyable_types
+      [:label]
+    end
+
+    def movable_types
+      [:label]
+    end
+  end
 
   def destroyable?
     label?
diff --git a/app/services/boards/issues/list_service.rb b/app/services/boards/issues/list_service.rb
index 5a961ac89e4..b1dbe73cdf7 100644
--- a/app/services/boards/issues/list_service.rb
+++ b/app/services/boards/issues/list_service.rb
@@ -3,13 +3,18 @@ module Boards
     class ListService < Boards::BaseService
       def execute
         issues = IssuesFinder.new(current_user, filter_params).execute
-        issues = without_board_labels(issues) unless movable_list? || closed_list?
-        issues = with_list_label(issues) if movable_list?
+        issues = filter(issues)
         issues.order_by_position_and_priority
       end
 
       private
 
+      def filter(issues)
+        issues = without_board_labels(issues) unless list&.movable? || list&.closed?
+        issues = with_list_label(issues) if list&.label?
+        issues
+      end
+
       def board
         @board ||= parent.boards.find(params[:board_id])
       end
@@ -20,18 +25,6 @@ module Boards
         @list = board.lists.find(params[:id]) if params.key?(:id)
       end
 
-      def movable_list?
-        return @movable_list if defined?(@movable_list)
-
-        @movable_list = list.present? && list.movable?
-      end
-
-      def closed_list?
-        return @closed_list if defined?(@closed_list)
-
-        @closed_list = list.present? && list.closed?
-      end
-
       def filter_params
         set_parent
         set_state
diff --git a/app/services/boards/issues/move_service.rb b/app/services/boards/issues/move_service.rb
index 3ceab209f3f..ee3112c7571 100644
--- a/app/services/boards/issues/move_service.rb
+++ b/app/services/boards/issues/move_service.rb
@@ -3,7 +3,7 @@ module Boards
     class MoveService < Boards::BaseService
       def execute(issue)
         return false unless can?(current_user, :update_issue, issue)
-        return false if issue_params.empty?
+        return false if issue_params(issue).empty?
 
         update(issue)
       end
@@ -28,10 +28,10 @@ module Boards
       end
 
       def update(issue)
-        ::Issues::UpdateService.new(issue.project, current_user, issue_params).execute(issue)
+        ::Issues::UpdateService.new(issue.project, current_user, issue_params(issue)).execute(issue)
       end
 
-      def issue_params
+      def issue_params(issue)
         attrs = {}
 
         if move_between_lists?
diff --git a/app/services/boards/lists/create_service.rb b/app/services/boards/lists/create_service.rb
index 02f1c709374..6fd9885d4f3 100644
--- a/app/services/boards/lists/create_service.rb
+++ b/app/services/boards/lists/create_service.rb
@@ -1,16 +1,28 @@
 module Boards
   module Lists
     class CreateService < Boards::BaseService
+      include Gitlab::Utils::StrongMemoize
+
       def execute(board)
         List.transaction do
-          label    = available_labels_for(board).find(params[:label_id])
+          target = target(board)
           position = next_position(board)
-          create_list(board, label, position)
+          create_list(board, type, target, position)
         end
       end
 
       private
 
+      def type
+        :label
+      end
+
+      def target(board)
+        strong_memoize(:target) do
+          available_labels_for(board).find(params[:label_id])
+        end
+      end
+
       def available_labels_for(board)
         options = { include_ancestor_groups: true }
 
@@ -28,8 +40,8 @@ module Boards
         max_position.nil? ? 0 : max_position.succ
       end
 
-      def create_list(board, label, position)
-        board.lists.create(label: label, list_type: :label, position: position)
+      def create_list(board, type, target, position)
+        board.lists.create(type => target, list_type: type, position: position)
       end
     end
   end
diff --git a/app/views/shared/boards/components/_board.html.haml b/app/views/shared/boards/components/_board.html.haml
index 67476a3f573..76843ce7cc0 100644
--- a/app/views/shared/boards/components/_board.html.haml
+++ b/app/views/shared/boards/components/_board.html.haml
@@ -1,4 +1,4 @@
-.board{ ":class" => '{ "is-draggable": !list.preset, "is-expandable": list.isExpandable, "is-collapsed": !list.isExpanded }',
+.board{ ":class" => '{ "is-draggable": !list.preset, "is-expandable": list.isExpandable, "is-collapsed": !list.isExpanded, "board-type-assignee": list.type === "assignee" }',
   ":data-id" => "list.id" }
   .board-inner
     %header.board-header{ ":class" => '{ "has-border": list.label && list.label.color }', ":style" => "{ borderTopColor: (list.label && list.label.color ? list.label.color : null) }", "@click" => "toggleExpanded($event)" }
@@ -7,10 +7,18 @@
           ":class": "{ \"fa-caret-down\": list.isExpanded, \"fa-caret-right\": !list.isExpanded }",
           "aria-hidden": "true" }
 
+        %a.user-avatar-link.js-no-trigger{ "v-if": "list.type === \"assignee\"", ":href": "list.assignee.path" }
+          -# haml-lint:disable AltText
+          %img.avatar.s20.has-tooltip{ height: "20", width: "20", ":src": "list.assignee.avatar", ":alt": "list.assignee.name" }
+
         %span.board-title-text.has-tooltip{ "v-if": "list.type !== \"label\"",
-          ":title" => '(list.label ? list.label.description : "")', data: { container: "body" } }
+          ":title" => '((list.label && list.label.description) || list.title || "")', data: { container: "body" } }
           {{ list.title }}
 
+        %span.board-title-sub-text.prepend-left-5.has-tooltip{ "v-if": "list.type === \"assignee\"",
+          ":title" => '(list.assignee && list.assignee.username || "")' }
+          @{{ list.assignee.username }}
+
         %span.has-tooltip{ "v-if": "list.type === \"label\"",
           ":title" => '(list.label ? list.label.description : "")',
           data: { container: "body", placement: "bottom" },
diff --git a/app/views/shared/issuable/_board_create_list_dropdown.html.haml b/app/views/shared/issuable/_board_create_list_dropdown.html.haml
new file mode 100644
index 00000000000..23b2e1b91e5
--- /dev/null
+++ b/app/views/shared/issuable/_board_create_list_dropdown.html.haml
@@ -0,0 +1,8 @@
+.dropdown.prepend-left-10#js-add-list
+  %button.btn.btn-create.btn-inverted.js-new-board-list{ type: "button", data: board_list_data }
+    Add list
+  .dropdown-menu.dropdown-menu-paging.dropdown-menu-right.dropdown-menu-issues-board-new.dropdown-menu-selectable.js-tab-container-labels
+    = render partial: "shared/issuable/label_page_default", locals: { show_footer: true, show_create: true, show_boards_content: true, title: "Add list" }
+    - if can?(current_user, :admin_label, board.parent)
+      = render partial: "shared/issuable/label_page_create"
+    = dropdown_loading
diff --git a/app/views/shared/issuable/_label_page_create.html.haml b/app/views/shared/issuable/_label_page_create.html.haml
index 9f4021802df..55edaa7eda4 100644
--- a/app/views/shared/issuable/_label_page_create.html.haml
+++ b/app/views/shared/issuable/_label_page_create.html.haml
@@ -1,6 +1,7 @@
+- show_close = local_assigns.fetch(:show_close, true)
 - subject = @project || @group
 .dropdown-page-two.dropdown-new-label
-  = dropdown_title(create_label_title(subject), options: { back: true })
+  = dropdown_title(create_label_title(subject), options: { back: true, close: show_close })
   = dropdown_content do
     .dropdown-labels-error.js-label-error
     %input#new_label_name.default-dropdown-input{ type: "text", placeholder: _('Name new label') }
diff --git a/app/views/shared/issuable/_label_page_default.html.haml b/app/views/shared/issuable/_label_page_default.html.haml
index 2bd922bca2b..aa4a5f0e0d3 100644
--- a/app/views/shared/issuable/_label_page_default.html.haml
+++ b/app/views/shared/issuable/_label_page_default.html.haml
@@ -1,15 +1,18 @@
 - title = local_assigns.fetch(:title, _('Assign labels'))
+- content_title = local_assigns.fetch(:content_title, _('Create lists from labels. Issues with that label appear in that list.'))
+- show_title = local_assigns.fetch(:show_title, true)
 - show_create = local_assigns.fetch(:show_create, true)
 - show_footer = local_assigns.fetch(:show_footer, true)
 - filter_placeholder = local_assigns.fetch(:filter_placeholder, 'Search')
 - show_boards_content = local_assigns.fetch(:show_boards_content, false)
 - subject = @project || @group
 .dropdown-page-one
-  = dropdown_title(title)
+  - if show_title
+    = dropdown_title(title)
   - if show_boards_content
     .issue-board-dropdown-content
       %p
-        = _('Create lists from labels. Issues with that label appear in that list.')
+        = content_title
   = dropdown_filter(filter_placeholder)
   = dropdown_content
   - if current_board_parent && show_footer
diff --git a/app/views/shared/issuable/_search_bar.html.haml b/app/views/shared/issuable/_search_bar.html.haml
index 644f7c4dd28..ef9ea2194ee 100644
--- a/app/views/shared/issuable/_search_bar.html.haml
+++ b/app/views/shared/issuable/_search_bar.html.haml
@@ -104,14 +104,7 @@
         .filter-dropdown-container
           - if type == :boards
             - if can?(current_user, :admin_list, board.parent)
-              .dropdown.prepend-left-10#js-add-list
-                %button.btn.btn-create.btn-inverted.js-new-board-list{ type: "button", data: board_list_data }
-                  Add list
-                .dropdown-menu.dropdown-menu-paging.dropdown-menu-right.dropdown-menu-issues-board-new.dropdown-menu-selectable
-                  = render partial: "shared/issuable/label_page_default", locals: { show_footer: true, show_create: true, show_boards_content: true, title: "Add list" }
-                  - if can?(current_user, :admin_label, board.parent)
-                    = render partial: "shared/issuable/label_page_create"
-                  = dropdown_loading
+              = render_if_exists 'shared/issuable/board_create_list_dropdown', board: board
               - if @project
                 #js-add-issues-btn.prepend-left-10{ data: { can_admin_list: can?(current_user, :admin_list, @project) } }
           - elsif type != :boards_modal
diff --git a/spec/features/boards/boards_spec.rb b/spec/features/boards/boards_spec.rb
index e414345ac23..f6e0dee28c6 100644
--- a/spec/features/boards/boards_spec.rb
+++ b/spec/features/boards/boards_spec.rb
@@ -150,7 +150,7 @@ describe 'Issue Boards', :js do
       click_button 'Add list'
       wait_for_requests
 
-      find('.dropdown-menu-close').click
+      find('.js-new-board-list').click
 
       page.within(find('.board:nth-child(2)')) do
         accept_confirm { find('.board-delete').click }
diff --git a/spec/features/issues/form_spec.rb b/spec/features/issues/form_spec.rb
index 4625a50b8d9..2cb3ae08b0e 100644
--- a/spec/features/issues/form_spec.rb
+++ b/spec/features/issues/form_spec.rb
@@ -143,6 +143,9 @@ describe 'New/edit issue', :js do
         click_link label.title
         click_link label2.title
       end
+
+      find('.js-issuable-form-dropdown.js-label-select').click
+
       page.within '.js-label-select' do
         expect(page).to have_content label.title
       end
diff --git a/spec/finders/group_members_finder_spec.rb b/spec/finders/group_members_finder_spec.rb
index 9f285e28535..63e15b365a4 100644
--- a/spec/finders/group_members_finder_spec.rb
+++ b/spec/finders/group_members_finder_spec.rb
@@ -29,4 +29,16 @@ describe GroupMembersFinder, '#execute' do
 
     expect(result.to_a).to match_array([member1, member3, member4])
   end
+
+  it 'returns members for descendant groups if requested', :nested_groups do
+    member1 = group.add_master(user2)
+    member2 = group.add_master(user1)
+    nested_group.add_master(user2)
+    member3 = nested_group.add_master(user3)
+    member4 = nested_group.add_master(user4)
+
+    result = described_class.new(group).execute(include_descendants: true)
+
+    expect(result.to_a).to match_array([member1, member2, member3, member4])
+  end
 end
diff --git a/spec/finders/members_finder_spec.rb b/spec/finders/members_finder_spec.rb
index 7bb1f45322e..2fc5299b0f4 100644
--- a/spec/finders/members_finder_spec.rb
+++ b/spec/finders/members_finder_spec.rb
@@ -19,4 +19,16 @@ describe MembersFinder, '#execute' do
 
     expect(result.to_a).to match_array([member1, member2, member3])
   end
+
+  it 'includes nested group members if asked', :nested_groups do
+    project = create(:project, namespace: group)
+    nested_group.request_access(user1)
+    member1 = group.add_master(user2)
+    member2 = nested_group.add_master(user3)
+    member3 = project.add_master(user4)
+
+    result = described_class.new(project, user2).execute(include_descendants: true)
+
+    expect(result.to_a).to match_array([member1, member2, member3])
+  end
 end
diff --git a/spec/fixtures/api/schemas/list.json b/spec/fixtures/api/schemas/list.json
index 05922df6b81..b76ec115293 100644
--- a/spec/fixtures/api/schemas/list.json
+++ b/spec/fixtures/api/schemas/list.json
@@ -37,5 +37,5 @@
     "title": { "type": "string" },
     "position": { "type": ["integer", "null"] }
   },
-  "additionalProperties": false
+  "additionalProperties": true
 }
diff --git a/spec/javascripts/boards/board_card_spec.js b/spec/javascripts/boards/board_card_spec.js
index 9b4db774b63..ad263791cd4 100644
--- a/spec/javascripts/boards/board_card_spec.js
+++ b/spec/javascripts/boards/board_card_spec.js
@@ -5,10 +5,10 @@
 import Vue from 'vue';
 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
-import '~/boards/models/assignee';
 
 import eventHub from '~/boards/eventhub';
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/list';
 import '~/boards/stores/boards_store';
 import boardCard from '~/boards/components/board_card.vue';
diff --git a/spec/javascripts/boards/boards_store_spec.js b/spec/javascripts/boards/boards_store_spec.js
index 46fa10e1789..3f5ed4f3d07 100644
--- a/spec/javascripts/boards/boards_store_spec.js
+++ b/spec/javascripts/boards/boards_store_spec.js
@@ -7,9 +7,9 @@ import axios from '~/lib/utils/axios_utils';
 import Cookies from 'js-cookie';
 
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/issue';
 import '~/boards/models/list';
-import '~/boards/models/assignee';
 import '~/boards/services/board_service';
 import '~/boards/stores/boards_store';
 import { listObj, listObjDuplicate, boardsMockInterceptor, mockBoardService } from './mock_data';
diff --git a/spec/javascripts/boards/issue_card_spec.js b/spec/javascripts/boards/issue_card_spec.js
index abeef272c68..05acf903933 100644
--- a/spec/javascripts/boards/issue_card_spec.js
+++ b/spec/javascripts/boards/issue_card_spec.js
@@ -5,9 +5,9 @@
 import Vue from 'vue';
 
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/issue';
 import '~/boards/models/list';
-import '~/boards/models/assignee';
 import '~/boards/stores/boards_store';
 import '~/boards/components/issue_card_inner';
 import { listObj } from './mock_data';
diff --git a/spec/javascripts/boards/issue_spec.js b/spec/javascripts/boards/issue_spec.js
index d90f9a41231..db68096e3bd 100644
--- a/spec/javascripts/boards/issue_spec.js
+++ b/spec/javascripts/boards/issue_spec.js
@@ -3,9 +3,9 @@
 
 import Vue from 'vue';
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/issue';
 import '~/boards/models/list';
-import '~/boards/models/assignee';
 import '~/boards/services/board_service';
 import '~/boards/stores/boards_store';
 import { mockBoardService } from './mock_data';
diff --git a/spec/javascripts/boards/list_spec.js b/spec/javascripts/boards/list_spec.js
index d5d1139de15..ac8bbb8f2a8 100644
--- a/spec/javascripts/boards/list_spec.js
+++ b/spec/javascripts/boards/list_spec.js
@@ -6,9 +6,9 @@ import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
 import _ from 'underscore';
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/issue';
 import '~/boards/models/list';
-import '~/boards/models/assignee';
 import '~/boards/services/board_service';
 import '~/boards/stores/boards_store';
 import { listObj, listObjDuplicate, boardsMockInterceptor, mockBoardService } from './mock_data';
diff --git a/spec/javascripts/boards/modal_store_spec.js b/spec/javascripts/boards/modal_store_spec.js
index 797693a21aa..a234c81fadf 100644
--- a/spec/javascripts/boards/modal_store_spec.js
+++ b/spec/javascripts/boards/modal_store_spec.js
@@ -1,9 +1,9 @@
 /* global ListIssue */
 
 import '~/vue_shared/models/label';
+import '~/vue_shared/models/assignee';
 import '~/boards/models/issue';
 import '~/boards/models/list';
-import '~/boards/models/assignee';
 import Store from '~/boards/stores/modal_store';
 
 describe('Modal store', () => {