FEATURE: filter admin sidebar (#25853)

Ability to filter admin sidebar. The filter can be cleared. In addition, it can be accessed with ctrl+/ shortcut

app/assets/javascripts/discourse/app/components/modal/keyboard-shortcuts-help.js

@@ -83,6 +83,10 @@ export default class KeyboardShortcutsHelp extends Component {
             keys2: [CTRL, ALT, "f"],
             keysDelimiter: PLUS,
           }),
+          filter_sidebar: buildShortcut("application.filter_sidebar", {
+            keys1: [META, "/"],
+            keysDelimiter: PLUS,
+          }),
           help: buildShortcut("application.help", { keys1: ["?"] }),
           dismiss_new: buildShortcut("application.dismiss_new", {
             keys1: ["x", "r"],

app/assets/javascripts/discourse/app/components/sidebar/api-section.hbs

@@ -1,4 +1,5 @@
-<Sidebar::Section
+{{#if this.shouldDisplay}}
+  <Sidebar::Section
     @sectionName={{this.section.name}}
     @headerLinkText={{this.section.text}}
     @headerLinkTitle={{this.section.title}}
@@ -8,9 +9,8 @@
     @collapsable={{@collapsable}}
     @displaySection={{this.section.displaySection}}
     @hideSectionHeader={{this.section.hideSectionHeader}}
->
-
-  {{#each this.section.links as |link|}}
+  >
+    {{#each this.filteredLinks key="name" as |link|}}
       <Sidebar::SectionLink
         @linkName={{link.name}}
         @linkClass={{link.classNames}}
@@ -42,4 +42,5 @@
         }}
       />
     {{/each}}
-</Sidebar::Section>
+  </Sidebar::Section>
+{{/if}}

app/assets/javascripts/discourse/app/components/sidebar/api-section.js

@@ -1,10 +1,34 @@
 import Component from "@glimmer/component";
 import { getOwner, setOwner } from "@ember/application";
+import { inject as service } from "@ember/service";
 
 export default class SidebarApiSection extends Component {
+  @service sidebarState;
+
   constructor() {
     super(...arguments);
     this.section = new this.args.sectionConfig();
     setOwner(this.section, getOwner(this));
   }
+
+  get shouldDisplay() {
+    if (!this.sidebarState.currentPanel.filterable) {
+      return true;
+    }
+    return (
+      this.sidebarState.filter.length === 0 || this.filteredLinks.length > 0
+    );
+  }
+
+  get filteredLinks() {
+    if (!this.sidebarState.filter) {
+      return this.section.links;
+    }
+    if (this.section.text.toLowerCase().match(this.sidebarState.filter)) {
+      return this.section.links;
+    }
+    return this.section.links.filter((link) => {
+      return link.text.toString().toLowerCase().match(this.sidebarState.filter);
+    });
+  }
 }

app/assets/javascripts/discourse/app/components/sidebar/api-sections.hbs

@@ -1,6 +1,8 @@
+<Sidebar::Filter />
 {{#each this.sections as |sectionConfig|}}
   <Sidebar::ApiSection
     @sectionConfig={{sectionConfig}}
     @collapsable={{@collapsable}}
   />
 {{/each}}
+<Sidebar::FilterNoResults />

app/assets/javascripts/discourse/app/components/sidebar/filter-no-results.gjs

@@ -0,0 +1,29 @@
+import Component from "@glimmer/component";
+import { inject as service } from "@ember/service";
+import i18n from "discourse-common/helpers/i18n";
+
+export default class FilterNoResulsts extends Component {
+  @service sidebarState;
+
+  /**
+   * Component is rendered when panel is filtreable
+   * Visibility is additionally controlled by CSS rule `.sidebar-section-wrapper + .sidebar-no-results`
+   */
+  get shouldDisplay() {
+    return this.sidebarState.currentPanel.filterable;
+  }
+
+  <template>
+    {{#if this.shouldDisplay}}
+      <div class="sidebar-no-results">
+        <div class="sidebar-no-results__title">{{i18n
+            "sidebar.no_results.title"
+          }}</div>
+        <div class="sidebar-no-results__description">{{i18n
+            "sidebar.no_results.description"
+            filter=this.sidebarState.filter
+          }}</div>
+      </div>
+    {{/if}}
+  </template>
+}

app/assets/javascripts/discourse/app/components/sidebar/filter.gjs

@@ -0,0 +1,56 @@
+import Component from "@glimmer/component";
+import { Input } from "@ember/component";
+import { on } from "@ember/modifier";
+import { action } from "@ember/object";
+import willDestroy from "@ember/render-modifiers/modifiers/will-destroy";
+import { inject as service } from "@ember/service";
+import DButton from "discourse/components/d-button";
+import dIcon from "discourse-common/helpers/d-icon";
+import i18n from "discourse-common/helpers/i18n";
+import { bind } from "discourse-common/utils/decorators";
+
+export default class Filter extends Component {
+  @service sidebarState;
+
+  get shouldDisplay() {
+    return this.sidebarState.currentPanel.filterable;
+  }
+
+  get displayClearFilter() {
+    return this.sidebarState.filter.length > 0;
+  }
+
+  @bind
+  teardown() {
+    this.sidebarState.clearFilter();
+  }
+
+  @action
+  setFilter(event) {
+    this.sidebarState.filter = event.target.value.toLowerCase();
+  }
+
+  @action
+  clearFilter() {
+    this.sidebarState.clearFilter();
+    document.querySelector(".sidebar-filter__input").focus();
+  }
+
+  <template>
+    {{#if this.shouldDisplay}}
+      <div class="sidebar-filter" {{willDestroy this.teardown}}>
+        <Input
+          class="sidebar-filter__input"
+          placeholder={{i18n "sidebar.filter"}}
+          @value={{this.sidebarState.filter}}
+          {{on "input" this.setFilter}}
+        />
+        {{#if this.displayClearFilter}}
+          <DButton @action={{this.clearFilter}} class="sidebar-filter__clear">
+            {{dIcon "times"}}
+          </DButton>
+        {{/if}}
+      </div>
+    {{/if}}
+  </template>
+}

app/assets/javascripts/discourse/app/lib/keyboard-shortcuts.js

@@ -41,6 +41,8 @@ const DEFAULT_BINDINGS = {
   "!": { postAction: "showFlags" },
   "#": { handler: "goToPost", anonymous: true },
   "/": { handler: "toggleSearch", anonymous: true },
+  "meta+/": { handler: "filterSidebar", anonymous: true },
+  [`${PLATFORM_KEY_MODIFIER}+/`]: { handler: "filterSidebar", anonymous: true },
   "ctrl+alt+f": { handler: "toggleSearch", anonymous: true, global: true },
   "=": { handler: "toggleHamburgerMenu", anonymous: true },
   "?": { handler: "showHelpModal", anonymous: true },
@@ -469,6 +471,15 @@ export default {
     composer.focusComposer(event);
   },
 
+  filterSidebar() {
+    const filterInput = document.querySelector(".sidebar-filter__input");
+
+    if (filterInput) {
+      this._scrollTo(0);
+      filterInput.focus();
+    }
+  },
+
   fullscreenComposer() {
     const composer = getOwner(this).lookup("service:composer");
     if (composer.get("model")) {

app/assets/javascripts/discourse/app/lib/sidebar/admin-sidebar.js

@@ -255,4 +255,8 @@ export default class AdminSidebarPanel extends BaseCustomSidebarPanel {
       return defineAdminSection(adminNavSectionData);
     });
   }
+
+  get filterable() {
+    return true;
+  }
 }

app/assets/javascripts/discourse/app/lib/sidebar/base-custom-sidebar-panel.js

@@ -43,6 +43,13 @@ export default class BaseCustomSidebarPanel {
     this.hidden || this.#notImplemented();
   }
 
+  /**
+   * @returns {boolean} Controls whether the filter is shown
+   */
+  get filterable() {
+    return false;
+  }
+
   #notImplemented() {
     throw "not implemented";
   }

app/assets/javascripts/discourse/app/services/sidebar-state.js

@@ -17,10 +17,10 @@ export default class SidebarState extends Service {
   @tracked panels = panels;
   @tracked mode = COMBINED_MODE;
   @tracked displaySwitchPanelButtons = false;
+  @tracked filter = "";
 
   constructor() {
     super(...arguments);
-
     this.#reset();
   }
 
@@ -64,4 +64,8 @@ export default class SidebarState extends Service {
     this.panels = panels;
     this.mode = COMBINED_MODE;
   }
+
+  clearFilter() {
+    this.filter = "";
+  }
 }

app/assets/stylesheets/common/base/menu-panel.scss

@@ -344,6 +344,10 @@
   div.discourse-tags {
     font-size: var(--font-down-1);
   }
+
+  .sidebar-filter {
+    width: calc(100% - 2.35rem);
+  }
 }
 
 // Panel / user-notification-list styles. **not** menu panel sizing styles

app/assets/stylesheets/common/base/sidebar.scss

@@ -306,3 +306,54 @@
     margin-bottom: 1em;
   }
 }
+
+.sidebar-filter {
+  margin: 0 var(--d-sidebar-row-horizontal-padding) 0.5em
+    var(--d-sidebar-row-horizontal-padding);
+  display: flex;
+  border: 1px solid var(--primary-400);
+  border-radius: var(--d-input-border-radius);
+  align-items: center;
+  justify-content: space-between;
+  background: var(--secondary);
+  width: calc(
+    var(--d-sidebar-width) - var(--d-sidebar-row-horizontal-padding) * 2
+  );
+
+  &:focus-within {
+    border-color: var(--tertiary);
+    outline: 2px solid var(--tertiary);
+    outline-offset: -2px;
+  }
+
+  &__input[type="text"] {
+    border: 0;
+    margin-bottom: 0;
+    width: 50px;
+    height: 2em;
+    &:focus-within {
+      outline: 0;
+    }
+    width: calc(100% - 2em);
+  }
+
+  &__clear {
+    width: 2em;
+    height: 2em;
+    color: var(--primary-medium);
+    background-color: var(--secondary);
+  }
+}
+.sidebar-no-results {
+  margin: 0.5em var(--d-sidebar-row-horizontal-padding) 0
+    var(--d-sidebar-row-horizontal-padding);
+  &__title {
+    font-weight: bold;
+  }
+}
+.sidebar-no-results {
+  display: block;
+}
+.sidebar-section-wrapper + .sidebar-no-results {
+  display: none;
+}

config/locales/client.en.yml

@@ -4243,6 +4243,7 @@ en:
         user_profile_menu: "%{shortcut} Open user menu"
         show_incoming_updated_topics: "%{shortcut} Show updated topics"
         search: "%{shortcut} Search"
+        filter_sidebar: "%{shortcut} Filter sidebar"
         help: "%{shortcut} Open keyboard help"
         dismiss_new: "%{shortcut} Dismiss New"
         dismiss_topics: "%{shortcut} Dismiss Topics"
@@ -4677,6 +4678,11 @@ en:
       panels:
         forum:
           label: Forum
+      filter: "Filter"
+      clear_filter: "Clear filter"
+      no_results:
+        title: "No results"
+        description: "We couldn’t find anything matching ‘%{filter}’"
 
     welcome_topic_banner:
       title: "Create your Welcome Topic"

spec/system/admin_sidebar_navigation_spec.rb

@@ -5,6 +5,7 @@ describe "Admin Revamp | Sidebar Navigation", type: :system do
 
   let(:sidebar) { PageObjects::Components::NavigationMenu::Sidebar.new }
   let(:sidebar_dropdown) { PageObjects::Components::SidebarHeaderDropdown.new }
+  let(:filter) { PageObjects::Components::Filter.new }
 
   before do
     SiteSetting.admin_sidebar_enabled_groups = Group::AUTO_GROUPS[:admins]
@@ -60,4 +61,34 @@ describe "Admin Revamp | Sidebar Navigation", type: :system do
       expect(sidebar).to have_no_section("admin-nav-section-root")
     end
   end
+
+  it "allows links to be filtered" do
+    visit("/admin")
+    all_links_count = page.all(".sidebar-section-link-content-text").count
+
+    links = page.all(".sidebar-section-link-content-text")
+    expect(links.count).to eq(all_links_count)
+    expect(page).to have_no_css(".sidebar-no-results")
+
+    filter.filter("ie")
+    links = page.all(".sidebar-section-link-content-text")
+    expect(links.count).to eq(2)
+    expect(links.map(&:text)).to eq(["Preview Summary", "User Fields"])
+    expect(page).to have_no_css(".sidebar-no-results")
+
+    filter.filter("ieeee")
+    expect(page).to have_no_css(".sidebar-section-link-content-text")
+    expect(page).to have_css(".sidebar-no-results")
+
+    filter.clear
+    links = page.all(".sidebar-section-link-content-text")
+    expect(links.count).to eq(all_links_count)
+    expect(page).to have_no_css(".sidebar-no-results")
+
+    # When match section title, display all links
+    filter.filter("Backups")
+    links = page.all(".sidebar-section-link-content-text")
+    expect(links.count).to eq(2)
+    expect(links.map(&:text)).to eq(%w[Backups Logs])
+  end
 end

spec/system/page_objects/components/filter.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module PageObjects
+  module Components
+    class Filter < PageObjects::Components::Base
+      def filter(text)
+        page.find(".sidebar-filter__input").fill_in(with: text)
+        self
+      end
+
+      def clear
+        page.find(".sidebar-filter__clear").click
+        self
+      end
+    end
+  end
+end