Used issue bulk update instead of different endpoint

app/assets/javascripts/boards/components/modal/footer.js.es6

@@ -4,6 +4,9 @@
   const ModalStore = gl.issueBoards.ModalStore;
 
   gl.issueBoards.ModalFooter = Vue.extend({
+    props: [
+      'bulkUpdatePath',
+    ],
     data() {
       return ModalStore.store;
     },
@@ -23,10 +26,15 @@
       },
       addIssues() {
         const list = this.selectedList;
-        const issueIds = this.selectedIssues.map(issue => issue.id);
+        const issueIds = this.selectedIssues.map(issue => issue._id);
 
         // Post the data to the backend
-        gl.boardService.addMultipleIssues(list, issueIds);
+        this.$http.post(this.bulkUpdatePath, {
+          update: {
+            issuable_ids: issueIds.join(','),
+            add_label_ids: [list.label.id],
+          },
+        });
 
         // Add the issues on the frontend
         this.selectedIssues.forEach((issue) => {

app/assets/javascripts/boards/components/modal/index.js.es6

@@ -9,7 +9,7 @@
 
   gl.issueBoards.IssuesModal = Vue.extend({
     props: [
-      'blankStateImage', 'newIssuePath',
+      'blankStateImage', 'newIssuePath', 'bulkUpdatePath',
     ],
     data() {
       return ModalStore.store;
@@ -86,7 +86,7 @@
               <i class="fa fa-spinner fa-spin"></i>
             </div>
           </section>
-          <modal-footer></modal-footer>
+          <modal-footer :bulk-update-path="bulkUpdatePath"></modal-footer>
         </div>
       </div>
     `,

app/assets/javascripts/boards/models/issue.js.es6

@@ -6,6 +6,7 @@
 
 class ListIssue {
   constructor (obj) {
+    this._id = obj.id;
     this.id = obj.iid;
     this.title = obj.title;
     this.confidential = obj.confidential;

app/assets/javascripts/boards/services/board_service.js.es6

@@ -14,10 +14,6 @@ class BoardService {
         method: 'POST',
         url: `${root}/${boardId}/lists/generate.json`
       },
-      multiple: {
-        method: 'POST',
-        url: `${root}/${boardId}/lists{/id}/multiple`
-      },
     });
     this.issue = Vue.resource(`${root}/${boardId}/issues{/id}`, {});
     this.issues = Vue.resource(`${root}/${boardId}/lists{/id}/issues`, {});
@@ -79,12 +75,6 @@ class BoardService {
   getBacklog(data) {
     return this.boards.backlog(data);
   }
-
-  addMultipleIssues(list, issue_ids) {
-    return this.lists.multiple(list.id, {
-      issue_ids,
-    });
-  }
 }
 
 window.BoardService = BoardService;

app/controllers/projects/boards/lists_controller.rb

@@ -50,10 +50,6 @@ module Projects
         end
       end
 
-      def multiple
-        head :ok
-      end
-
       private
 
       def authorize_admin_list!

app/controllers/projects/boards_controller.rb

@@ -37,7 +37,7 @@ class Projects::BoardsController < Projects::ApplicationController
 
     render json: @issues.as_json(
       labels: true,
-      only: [:iid, :title, :confidential, :due_date],
+      only: [:id, :iid, :title, :confidential, :due_date],
       include: {
         assignee: { only: [:id, :name, :username], methods: [:avatar_url] },
         milestone: { only: [:id, :title] }

app/views/projects/boards/_show.html.haml

@@ -27,4 +27,5 @@
       ":key" => "_uid" }
   = render "projects/boards/components/sidebar"
   %board-add-issues-modal{ "blank-state-image" => render('shared/empty_states/icons/issues.svg'),
-    "new-issue-path" => new_namespace_project_issue_path(@project.namespace, @project) }
+    "new-issue-path" => new_namespace_project_issue_path(@project.namespace, @project),
+    "bulk-update-path" => bulk_update_namespace_project_issues_path(@project.namespace, @project) }

config/routes/project.rb

@@ -274,7 +274,6 @@ constraints(ProjectUrlConstrainer.new) do
           resources :lists, only: [:index, :create, :update, :destroy] do
             collection do
               post :generate
-              post :multiple
             end
 
             resources :issues, only: [:index, :create]