FEATURE: Add new site setting type for tag-group lists (#21993)

* FEATURE: Add new site setting type for tag-group lists

app/assets/javascripts/admin/addon/components/site-settings/tag-group-list.hbs

@@ -0,0 +1,7 @@
+<TagGroupChooser
+  @tagGroups={{this.selectedTagGroups}}
+  @onChange={{action "onTagGroupChange"}}
+  @options={{hash filterPlaceholder="category.required_tag_group.placeholder"}}
+/>
+<div class="desc">{{html-safe this.setting.description}}</div>
+<SettingValidationMessage @message={{this.validationMessage}} />

app/assets/javascripts/admin/addon/components/site-settings/tag-group-list.js

@@ -0,0 +1,15 @@
+import Component from "@ember/component";
+import { action } from "@ember/object";
+import discourseComputed from "discourse-common/utils/decorators";
+
+export default class TagGroupList extends Component {
+  @discourseComputed("value")
+  selectedTagGroups(value) {
+    return value.split("|").filter(Boolean);
+  }
+
+  @action
+  onTagGroupChange(tagGroups) {
+    this.set("value", tagGroups.join("|"));
+  }
+}

app/assets/javascripts/admin/addon/mixins/setting-component.js

@@ -27,6 +27,7 @@ const CUSTOM_TYPES = [
   "upload",
   "group_list",
   "tag_list",
+  "tag_group_list",
   "color",
   "simple_list",
   "emoji_list",

lib/site_settings/type_supervisor.rb

@@ -54,6 +54,7 @@ class SiteSettings::TypeSupervisor
         simple_list: 23,
         emoji_list: 24,
         html_deprecated: 25,
+        tag_group_list: 26,
       )
   end
 

spec/lib/site_settings/type_supervisor_spec.rb

@@ -95,6 +95,9 @@ RSpec.describe SiteSettings::TypeSupervisor do
       it "'emoji_list' should be at the right position" do
         expect(SiteSettings::TypeSupervisor.types[:emoji_list]).to eq(24)
       end
+      it "'tag_group_list' should be at the right position" do
+        expect(SiteSettings::TypeSupervisor.types[:tag_group_list]).to eq(26)
+      end
     end
   end