Composer control feature

assets/javascripts/discourse/initializers/custom-wizard-edits.js.es6

@@ -83,6 +83,16 @@ export default {
           }
         },
       });
+
+      api.modifyClass("component:category-chooser", {
+        categoriesByScope(options = {}) {
+          let categories = this._super(options);
+
+          return categories.filter((category) => {
+            return !category.custom_fields?.create_topic_wizard;
+          });
+        },
+      });
     });
   },
 };

config/locales/server.en.yml

@@ -55,6 +55,8 @@ en:
       liquid_syntax_error: "Liquid syntax error in %{attribute}: %{message}"
       subscription: "%{type} %{property} usage is not supported on your subscription"
       not_permitted_for_guests: "%{object_id} is not permitted when guests can access the wizard"
+    error_messages:
+      wizard_replacing_composer: "Category not allowed for topic creation."
 
   site_settings:
     custom_wizard_enabled: "Enable custom wizards."

plugin.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 # name: discourse-custom-wizard
 # about: Forms for Discourse. Better onboarding, structured posting, data enrichment, automated actions and much more.
-# version: 2.4.22
+# version: 2.4.23
 # authors: Angus McLeod, Faizaan Gagan, Robert Barrow, Keegan George, Kaitlin Maddever, Juan Marcos Gutierrez Ramos
 # url: https://github.com/paviliondev/discourse-custom-wizard
 # contact_emails: [email protected]
@@ -236,4 +236,13 @@
   end
 
   DiscourseEvent.trigger(:custom_wizard_ready)
+
+  on(:before_create_topic) do |topic_params, user|
+    category = topic_params.category
+    if category&.custom_fields&.[]('create_topic_wizard').present?
+      raise Discourse::InvalidParameters.new(
+              I18n.t('wizard.error_messages.wizard_replacing_composer')
+            )
+    end
+  end
 end

spec/extensions/topic_extension_spec.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+describe Topic, type: :model do
+  fab!(:category_with_wizard) do
+    Fabricate(:category, custom_fields: { create_topic_wizard: 'true' })
+  end
+  fab!(:category_without_wizard) { Fabricate(:category) }
+  fab!(:user) { Fabricate(:user) }
+  let(:valid_attrs) { Fabricate.attributes_for(:topic) }
+
+  context 'with a create_topic_wizard custom field in the category' do
+    it 'will not allow creating a topic directly' do
+      expect do
+        TopicCreator.create(
+          user,
+          Guardian.new(user),
+          valid_attrs.merge(
+            title: 'A valid and sufficiently long title for testing',
+            category: category_with_wizard.id,
+            raw: 'hello this is a test topic with category with custom fields'
+          )
+        )
+      end.to raise_error(
+        Discourse::InvalidParameters,
+        'Category not allowed for topic creation.'
+      )
+    end
+  end
+
+  context 'without a create_topic_wizard custom field in the category' do
+    it 'will allow creating a topic directly' do
+      expect do
+        TopicCreator.create(
+          user,
+          Guardian.new(user),
+          valid_attrs.merge(
+            category: category_without_wizard.id,
+            title: 'Another valid and sufficiently long title for testing',
+            raw: 'This is the body of a valid topic'
+          )
+        )
+      end.not_to raise_error
+    end
+  end
+end

test/javascripts/acceptance/category-chooser-initializer-test.js

@@ -0,0 +1,21 @@
+import { click, visit } from "@ember/test-helpers";
+import { acceptance } from "discourse/tests/helpers/qunit-helpers";
+import selectKit from "discourse/tests/helpers/select-kit-helper";
+import { test } from "qunit";
+
+acceptance("CategoryChooser", function (needs) {
+  needs.user();
+  needs.settings({
+    allow_uncategorized_topics: false,
+  });
+
+  test("does not display category with custom_wizard_hide_from_composer set to 't'", async function (assert) {
+    const categoryChooser = selectKit(".category-chooser");
+
+    await visit("/");
+    await click("#create-topic");
+    await categoryChooser.expand();
+
+    assert.ok(categoryChooser.rowByIndex(4).name() !== "Custom Categories");
+  });
+});