FIX: Can't dismiss new topics for experimental new new view (#22484)

Regressed in 8b80132f88 due to a lack of
tests.

app/assets/javascripts/discourse/app/components/modal/dismiss-new.hbs

@@ -6,17 +6,17 @@
     <p>
       <PreferenceCheckbox
         @labelKey="topics.bulk.dismiss_new_modal.topics"
-        @checked={{@model.dismissTopics}}
+        @checked={{this.dismissTopics}}
         @class="dismiss-topics"
       />
       <PreferenceCheckbox
         @labelKey="topics.bulk.dismiss_new_modal.posts"
-        @checked={{@model.dismissPosts}}
+        @checked={{this.dismissPosts}}
         @class="dismiss-posts"
       />
       <PreferenceCheckbox
         @labelKey="topics.bulk.dismiss_new_modal.untrack"
-        @checked={{@model.untrack}}
+        @checked={{this.untrack}}
         @class="untrack"
       />
     </p>

app/assets/javascripts/discourse/app/components/modal/dismiss-new.js

@@ -2,9 +2,18 @@ import Component from "@glimmer/component";
 import { action } from "@ember/object";
 
 export default class DismissNew extends Component {
+  dismissTopics = true;
+  dismissPosts = true;
+  untrack = false;
+
   @action
   dismissed() {
-    this.args.model.dismissCallback();
+    this.args.model.dismissCallback({
+      dismissTopics: this.dismissTopics,
+      dismissPosts: this.dismissPosts,
+      untrack: this.untrack,
+    });
+
     this.args.closeModal();
   }
 }

app/assets/javascripts/discourse/app/mixins/dismiss-topics.js

@@ -1,28 +1,23 @@
 import Mixin from "@ember/object/mixin";
-import User from "discourse/models/user";
 import { inject as service } from "@ember/service";
 import { action } from "@ember/object";
 import DismissNewModal from "discourse/components/modal/dismiss-new";
 
 export default Mixin.create({
   modal: service(),
+  currentUser: service(),
 
   @action
   resetNew() {
-    const user = User.current();
-    if (!user.new_new_view_enabled) {
+    if (!this.currentUser.new_new_view_enabled) {
       return this.callResetNew();
     }
+
     this.modal.show(DismissNewModal, {
       model: {
-        dismissTopics: true,
-        dismissPosts: true,
-        dismissCallback: () =>
-          this.callResetNew(
-            this.model.dismissPosts,
-            this.model.dismissTopics,
-            this.model.untrack
-          ),
+        dismissCallback: ({ dismissPosts, dismissTopics, untrack }) => {
+          this.callResetNew(dismissPosts, dismissTopics, untrack);
+        },
       },
     });
   },

spec/system/dismiss_topics_spec.rb

@@ -2,11 +2,12 @@
 
 describe "Filtering topics", type: :system, js: true do
   fab!(:user) { Fabricate(:user) }
-  let(:topic_list) { PageObjects::Components::TopicList.new }
-  let(:dismiss_new_modal) { PageObjects::Modals::DismissNew.new }
   fab!(:group) { Fabricate(:group).tap { |g| g.add(user) } }
   fab!(:topic) { Fabricate(:topic) }
 
+  let(:topic_list) { PageObjects::Components::TopicList.new }
+  let(:dismiss_new_modal) { PageObjects::Modals::DismissNew.new }
+
   before { SiteSetting.experimental_new_new_view_groups = group.id }
 
   it "displays confirmation modal with preselected options" do
@@ -15,9 +16,15 @@ describe "Filtering topics", type: :system, js: true do
     visit("/new")
 
     expect(topic_list).to have_topic(topic)
+
     find(".dismiss-read", text: "Dismiss…").click
+
     expect(dismiss_new_modal).to have_dismiss_topics_checked
     expect(dismiss_new_modal).to have_dismiss_posts_checked
     expect(dismiss_new_modal).to have_untrack_unchecked
+
+    dismiss_new_modal.click_dismiss
+
+    expect(topic_list).to have_no_topics
   end
 end

spec/system/page_objects/components/topic_list.rb

@@ -14,6 +14,10 @@ module PageObjects
         page.has_css?(TOPIC_LIST_ITEM_SELECTOR, count: count)
       end
 
+      def has_no_topics?
+        page.has_no_css?(TOPIC_LIST_ITEM_SELECTOR)
+      end
+
       def has_topic?(topic)
         page.has_css?(topic_list_item_class(topic))
       end

spec/system/page_objects/modals/dismiss_new.rb

@@ -14,6 +14,11 @@ module PageObjects
       def has_untrack_unchecked?
         find(".untrack label").has_no_checked_field?
       end
+
+      def click_dismiss
+        click_button("dismiss-read-confirm")
+        self
+      end
     end
   end
 end