feat: Portal and Category public APIs (#4946)

spec/controllers/public/api/v1/portals_controller_spec.rb

@@ -0,0 +1,21 @@
+require 'rails_helper'
+
+RSpec.describe 'Public Portals API', type: :request do
+  let!(:account) { create(:account) }
+  let!(:portal) { create(:portal, slug: 'test-portal', account_id: account.id) }
+
+  before do
+    create(:portal, slug: 'test-portal-1', account_id: account.id)
+    create(:portal, slug: 'test-portal-2', account_id: account.id)
+  end
+
+  describe 'GET /public/api/v1/portals/{portal_slug}' do
+    it 'Show portal and categories belonging to the portal' do
+      get "/public/api/v1/portals/#{portal.slug}"
+
+      expect(response).to have_http_status(:success)
+      json_response = JSON.parse(response.body)
+      expect(json_response['slug']).to eql 'test-portal'
+    end
+  end
+end