UX: add bulk-select to mobile topic lists

app/assets/javascripts/discourse/app/components/bulk-select-toggle.js

@@ -0,0 +1,17 @@
+import Component from "@ember/component";
+import { action } from "@ember/object";
+import { getOwner } from "discourse-common/lib/get-owner";
+
+export default Component.extend({
+  parentController: null,
+
+  @action
+  toggleBulkSelect() {
+    const controller = getOwner(this).lookup(
+      `controller:${this.parentController}`
+    );
+    const selection = controller.selected;
+    controller.toggleProperty("bulkSelectEnabled");
+    selection.clear();
+  },
+});

app/assets/javascripts/discourse/app/components/d-navigation.js

@@ -4,6 +4,7 @@ import NavItem from "discourse/models/nav-item";
 import bootbox from "bootbox";
 import discourseComputed from "discourse-common/utils/decorators";
 import { NotificationLevels } from "discourse/lib/notification-levels";
+import { getOwner } from "discourse-common/lib/get-owner";
 import { inject as service } from "@ember/service";
 
 export default Component.extend(FilterModeMixin, {
@@ -128,6 +129,17 @@ export default Component.extend(FilterModeMixin, {
     });
   },
 
+  @discourseComputed("filterType")
+  notCategoriesRoute(filterType) {
+    return filterType !== "categories";
+  },
+
+  @discourseComputed()
+  canBulk() {
+    const controller = getOwner(this).lookup("controller:discovery/topics");
+    return controller.canBulkSelect;
+  },
+
   actions: {
     changeCategoryNotificationLevel(notificationLevel) {
       this.category.setNotification(notificationLevel);

app/assets/javascripts/discourse/app/components/topic-list.js

@@ -1,4 +1,4 @@
-import { alias, and, reads } from "@ember/object/computed";
+import { alias, and } from "@ember/object/computed";
 import discourseComputed, { observes } from "discourse-common/utils/decorators";
 import Component from "@ember/component";
 import LoadMore from "discourse/mixins/load-more";
@@ -34,8 +34,6 @@ export default Component.extend(LoadMore, {
     return !!this.changeSort;
   },
 
-  skipHeader: reads("site.mobileView"),
-
   @discourseComputed("order")
   showLikes(order) {
     return order === "likes";

app/assets/javascripts/discourse/app/templates/components/bulk-select-toggle.hbs

@@ -0,0 +1 @@
+<DButton @class={{"bulk-select"}} @action={{action "toggleBulkSelect"}} @icon={{"list"}} />

app/assets/javascripts/discourse/app/templates/components/d-navigation.hbs

@@ -6,6 +6,9 @@
 {{/unless}}
 
 <div class="navigation-controls">
+  {{#if (and this.notCategoriesRoute this.site.mobileView this.canBulk)}}
+    <BulkSelectToggle @parentController={{"discovery/topics"}} @tagName=""/>
+  {{/if}}
 
   {{#if this.showCategoryAdmin}}
     <CategoriesAdminDropdown @onChange={{action "selectCategoryAdminDropdownAction"}} @options={{hash

app/assets/javascripts/discourse/app/templates/components/topic-list.hbs

@@ -1,21 +1,18 @@
-{{#unless this.skipHeader}}
-  <thead class="topic-list-header">
-    {{raw "topic-list-header"
-      canBulkSelect=this.canBulkSelect
-      toggleInTitle=this.toggleInTitle
-      hideCategory=this.hideCategory
-      showPosters=this.showPosters
-      showLikes=this.showLikes
-      showOpLikes=this.showOpLikes
-      order=this.order
-      ascending=this.ascending
-      sortable=this.sortable
-      listTitle=this.listTitle
-      bulkSelectEnabled=this.bulkSelectEnabled
-      canDoBulkActions=this.canDoBulkActions
-    }}
-  </thead>
-{{/unless}}
+<thead class="topic-list-header">
+  {{raw "topic-list-header"
+    canBulkSelect=this.canBulkSelect
+    toggleInTitle=this.toggleInTitle
+    hideCategory=this.hideCategory
+    showPosters=this.showPosters
+    showLikes=this.showLikes
+    showOpLikes=this.showOpLikes
+    order=this.order
+    ascending=this.ascending
+    sortable=this.sortable
+    listTitle=this.listTitle
+    bulkSelectEnabled=this.bulkSelectEnabled
+    canDoBulkActions=this.canDoBulkActions}}
+</thead>
 
 <PluginOutlet @name="before-topic-list-body" @args={{hash
     topics=this.topics

app/assets/javascripts/discourse/app/templates/mobile/discovery/topics.hbs

@@ -14,7 +14,24 @@
   {{/if}}
 
   {{#if this.hasTopics}}
-    <TopicList @highlightLastVisited={{true}} @showPosters={{true}} @hideCategory={{this.model.hideCategory}} @order={{this.order}} @ascending={{this.ascending}} @topics={{this.model.topics}} @expandGloballyPinned={{this.expandGloballyPinned}} @expandAllPinned={{this.expandAllPinned}} @scrollOnLoad={{true}} @onScroll={{discoveryTopicList.saveScrollPosition}} @category={{this.category}} />
+    <TopicList
+      @ascending={{this.ascending}}
+      @highlightLastVisited={{true}}
+      @showPosters={{true}}
+      @canBulkSelect={{this.canBulkSelect}}
+      @toggleBulkSelect={{action "toggleBulkSelect"}}
+      @updateAutoAddTopicsToBulkSelect={{action "updateAutoAddTopicsToBulkSelect"}}
+      @hideCategory={{this.model.hideCategory}}
+      @order={{this.order}}
+      @bulkSelectEnabled={{this.bulkSelectEnabled}}
+      @bulkSelectAction={{action "refresh"}}
+      @selected={{this.selected}}
+      @expandGloballyPinned={{this.expandGloballyPinned}}
+      @expandAllPinned={{this.expandAllPinned}}
+      @category={{this.category}}
+      @topics={{this.model.topics}}
+      @scrollOnLoad={{true}}
+      @onScroll={{discoveryTopicList.saveScrollPosition}}/>
   {{/if}}
 </DiscoveryTopicsList>
 

app/assets/javascripts/discourse/app/templates/mobile/list/topic-list-item.hbr

@@ -1,7 +1,13 @@
 <td class="topic-list-data">
   {{~raw-plugin-outlet name="topic-list-before-columns"}}
   <div class='pull-left'>
-    <a href="{{topic.lastPostUrl}}" data-user-card="{{topic.lastPosterUser.username}}">{{avatar topic.lastPosterUser imageSize="large"}}</a>
+    {{#if bulkSelectEnabled}}
+      <label for="bulk-select-{{topic.id}}">
+        <input type="checkbox" class="bulk-select" id="bulk-select-{{topic.id}}">
+      </label>
+    {{else}}
+      <a href="{{topic.lastPostUrl}}" data-user-card="{{topic.lastPosterUser.username}}">{{avatar topic.lastPosterUser imageSize="large"}}</a>
+    {{/if}}
   </div>
   <div class='right'>
     {{!--

app/assets/javascripts/discourse/app/templates/topic-list-header-column.hbr

@@ -13,7 +13,7 @@
       </span>
     {{/if ~}}
   {{/if ~}}
-  {{view.localizedName}}
+  <span>{{view.localizedName}}</span>
   {{~#if view.isSorting}}
     {{d-icon view.sortIcon}}
   {{/if ~}}

app/assets/javascripts/discourse/app/templates/user/messages.hbs

@@ -101,8 +101,13 @@
 
 <section class="user-content">
   <div class="list-actions">
-    {{#if (and this.site.mobileView this.showNewPM)}}
-      <DButton @class="btn-primary new-private-message" @action={{route-action "composePrivateMessage"}} @icon="envelope" @label="user.new_private_message" />
+    {{#if this.site.mobileView}}
+      {{#if this.showNewPM}}
+        <DButton @class="btn-primary new-private-message" @action={{route-action "composePrivateMessage"}} @icon="envelope" @label="user.new_private_message" />
+      {{/if}}
+      {{#if this.currentUser.admin}}
+        <BulkSelectToggle @parentController={{"user-topics-list"}} @tagName=""/>
+      {{/if}}
     {{/if}}
   </div>
 

app/assets/javascripts/discourse/tests/acceptance/mobile-topic-bulk-actions-test.js

@@ -0,0 +1,132 @@
+import {
+  acceptance,
+  invisible,
+  query,
+  queryAll,
+  updateCurrentUser,
+} from "discourse/tests/helpers/qunit-helpers";
+import { click, visit } from "@ember/test-helpers";
+import { test } from "qunit";
+import I18n from "I18n";
+
+acceptance("Topic - Bulk Actions - Mobile", function (needs) {
+  needs.user();
+  needs.mobileView();
+
+  needs.settings({ tagging_enabled: true });
+  needs.pretender((server, helper) => {
+    server.put("/topics/bulk", () => {
+      return helper.response({
+        topic_ids: [],
+      });
+    });
+  });
+
+  test("bulk select - modal", async function (assert) {
+    updateCurrentUser({ moderator: true, enable_defer: true });
+    await visit("/latest");
+    await click("button.bulk-select");
+
+    await click(queryAll("input.bulk-select")[0]);
+    await click(queryAll("input.bulk-select")[1]);
+
+    await click(".bulk-select-actions");
+
+    assert.ok(
+      query("#discourse-modal-title").innerHTML.includes(
+        I18n.t("topics.bulk.actions")
+      ),
+      "it opens bulk-select modal"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.change_category")
+      ),
+      "it shows an option to change category"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.close_topics")
+      ),
+      "it shows an option to close topics"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.archive_topics")
+      ),
+      "it shows an option to archive topics"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.notification_level")
+      ),
+      "it shows an option to update notification level"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(I18n.t("topics.bulk.defer")),
+      "it shows an option to reset read"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.unlist_topics")
+      ),
+      "it shows an option to unlist topics"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.reset_bump_dates")
+      ),
+      "it shows an option to reset bump dates"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.change_tags")
+      ),
+      "it shows an option to replace tags"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.append_tags")
+      ),
+      "it shows an option to append tags"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(
+        I18n.t("topics.bulk.remove_tags")
+      ),
+      "it shows an option to remove all tags"
+    );
+
+    assert.ok(
+      query(".bulk-buttons").innerHTML.includes(I18n.t("topics.bulk.delete")),
+      "it shows an option to delete topics"
+    );
+  });
+
+  test("bulk select - delete topics", async function (assert) {
+    updateCurrentUser({ moderator: true });
+    await visit("/latest");
+    await click("button.bulk-select");
+
+    await click(queryAll("input.bulk-select")[0]);
+    await click(queryAll("input.bulk-select")[1]);
+
+    await click(".bulk-select-actions");
+    await click(".modal-body .delete-topics");
+
+    assert.ok(
+      invisible(".topic-bulk-actions-modal"),
+      "it closes the bulk select modal"
+    );
+  });
+});

app/assets/stylesheets/mobile/topic-list.scss

@@ -472,3 +472,60 @@ td .main-link {
 .muted-categories-link {
   margin-left: 0;
 }
+
+// Bulk select
+
+.topic-list-header {
+  display: none;
+}
+
+.topic-list.sticky-header {
+  .topic-list-header {
+    display: table-header-group;
+    position: sticky;
+    z-index: z("base") + 2;
+    top: var(--header-offset);
+    background: var(--secondary);
+    tr {
+      display: flex;
+      align-items: center;
+      border: none;
+    }
+
+    .topic-list-data {
+      display: none;
+      &.bulk-select {
+        display: inline-block;
+      }
+      &.default {
+        display: flex;
+        span:not(.bulk-select-topics) {
+          display: none;
+        }
+      }
+    }
+
+    button.bulk-select {
+      padding-left: 0.85em; // visual alignment
+    }
+  }
+}
+
+.bulk-select-topics {
+  display: flex;
+  padding-left: 0.85em;
+  .btn {
+    margin-right: 0.5em;
+  }
+}
+
+.topic-list-data .pull-left {
+  label {
+    // bulk select checkbox
+    display: flex;
+    width: 45px;
+    height: 45px;
+    justify-content: center;
+    align-items: center;
+  }
+}