Conference registering change requests

decidim-conferences/app/models/decidim/conference.rb

@@ -113,6 +113,12 @@ def has_available_slots?
       available_slots > conference_registrations.count
     end
 
+    def has_published_registration_types?
+      return false if registration_types.empty?
+
+      registration_types.any?(&:published_at?)
+    end
+
     def remaining_slots
       available_slots - conference_registrations.count
     end

decidim-conferences/spec/models/decidim/conference_spec.rb

@@ -28,5 +28,33 @@ module Decidim
 
       it { is_expected.to be_valid }
     end
+
+    describe "#has_published_registration_types?" do
+      context "when conference has no registration type" do
+        it "returns false" do
+          expect(conference).not_to have_published_registration_types
+        end
+      end
+
+      context "when conference has registration types" do
+        let!(:registration_types) do
+          create_list(:registration_type, 5, conference:)
+        end
+
+        it "return true" do
+          expect(conference).to have_published_registration_types
+        end
+
+        context "and the registration types are unpublished" do
+          let!(:registration_types) do
+            create_list(:registration_type, 5, :unpublished, conference:)
+          end
+
+          it "returns false" do
+            expect(conference).not_to have_published_registration_types
+          end
+        end
+      end
+    end
   end
 end