Backport getAllParams and other nav changes from service desk.

app/assets/javascripts/filtered_search/filtered_search_manager.js

@@ -332,7 +332,14 @@ class FilteredSearchManager {
     const removeElements = [];
     [].forEach.call(this.tokensContainer.children, (t) => {
-      if (t.classList.contains('js-visual-token')) {
+      let canClearToken = t.classList.contains('js-visual-token');
+
+      if (canClearToken) {
+        const tokenKey = t.querySelector('.name').textContent.trim();
+        canClearToken = this.canEdit && this.canEdit(tokenKey);
+      }
+
+      if (canClearToken) {
         removeElements.push(t);
       }
     });
@@ -411,8 +418,14 @@ class FilteredSearchManager {
     });
   }
+  // allows for modifying params array when a param can't be included in the URL (e.g. Service Desk)
+  getAllParams(urlParams) {
+    return this.modifyUrlParams ? this.modifyUrlParams(urlParams) : urlParams;
+  }
+
   loadSearchParamsFromURL() {
-    const params = gl.utils.getUrlParamsArray();
+    const urlParams = gl.utils.getUrlParamsArray();
+    const params = this.getAllParams(urlParams);
     const usernameParams = this.getUsernameParams();
     let hasFilteredSearch = false;

app/views/layouts/nav/sidebar/_project.html.haml

@@ -108,7 +108,7 @@
                   %span.badge.count.issue_counter.fly-out-badge
                     = number_with_delimiter(@project.open_issues_count)
             %li.divider.fly-out-top-item
-            = nav_link(controller: :issues) do
+            = nav_link(controller: :issues, action: :index) do
               = link_to project_issues_path(@project), title: 'Issues' do
                 %span
                   List

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

+- empty_state_path = local_assigns.fetch(:empty_state_path, 'shared/empty_states/issues')
+
 %ul.content-list.issues-list.issuable-list
   = render partial: "projects/issues/issue", collection: @issues
   - if @issues.blank?
-    = render 'shared/empty_states/issues'
+    = render empty_state_path
 - if @issues.present?
   = paginate @issues, theme: "gitlab", total_pages: @total_pages

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

-= link_to params.merge(rss_url_options), class: 'btn btn-default append-right-10 has-tooltip', title: 'Subscribe' do
-  = icon('rss')
+- show_rss_button = local_assigns.fetch(:show_rss_button, true)
+- show_export_button = local_assigns.fetch(:show_export_button, true)
+
+- if show_rss_button
+  = link_to params.merge(rss_url_options), class: 'btn btn-default append-right-10 has-tooltip', title: 'Subscribe' do
+    = icon('rss')
+
+- if show_export_button
+  = render 'projects/issues/export_issues/button'
+
 - if @can_bulk_update
   = button_tag "Edit issues", class: "btn btn-default append-right-10 js-bulk-update-toggle"
+
 = link_to "New issue", new_project_issue_path(@project,
                                               issue: { assignee_id: issues_finder.assignee.try(:id),
                                                        milestone_id: issues_finder.milestones.first.try(:id) }),

spec/javascripts/filtered_search/filtered_search_manager_spec.js

@@ -411,4 +411,26 @@ describe('Filtered Search Manager', () => {
       expect(document.querySelector('.filtered-search-box').classList.contains('focus')).toEqual(false);
     });
   });
+
+  describe('getAllParams', () => {
+    beforeEach(() => {
+      this.paramsArr = ['key=value', 'otherkey=othervalue'];
+
+      initializeManager();
+    });
+
+    it('correctly modifies params when custom modifier is passed', () => {
+      const modifedParams = manager.getAllParams.call({
+        modifyUrlParams: paramsArr => paramsArr.reverse(),
+      }, [].concat(this.paramsArr));
+
+      expect(modifedParams[0]).toBe(this.paramsArr[1]);
+    });
+
+    it('does not modify params when no custom modifier is passed', () => {
+      const modifedParams = manager.getAllParams.call({}, this.paramsArr);
+
+      expect(modifedParams[1]).toBe(this.paramsArr[1]);
+    });
+  });
 });