feat: add support for invoice consolidation (#350)

* add support for invoice consolidation

* fix linter

* fix specs

Author: lovrocolic

lib/lago/api/resources/subscription.rb

@@ -212,6 +212,7 @@ def whitelist_params(params)
             subscription_at: params[:subscription_at],
             ending_at: params[:ending_at],
             plan_overrides: params[:plan_overrides],
+            consolidate_invoice: params[:consolidate_invoice],
           }.compact
 
           payment_method_params = whitelist_payment_method_params(params[:payment_method])

spec/factories/subscription.rb

@@ -15,5 +15,6 @@
     terminated_at { nil }
     canceled_at { nil }
     created_at { '2022-05-05T12:27:30Z' }
+    consolidate_invoice { true }
   end
 end

spec/lago/api/resources/subscription_spec.rb

@@ -35,6 +35,7 @@
         subscription_at: factory_subscription.subscription_at,
         billing_time: factory_subscription.billing_time,
         ending_at: factory_subscription.ending_at,
+        consolidate_invoice: factory_subscription.consolidate_invoice,
         plan_overrides: {
           amount_cents: 1000,
           minimum_commitment: {
@@ -69,6 +70,7 @@
         expect(subscription.subscription_at).to eq(factory_subscription.subscription_at)
         expect(subscription.billing_time).to eq(factory_subscription.billing_time)
         expect(subscription.ending_at).to eq(factory_subscription.ending_at)
+        expect(subscription.consolidate_invoice).to eq(factory_subscription.consolidate_invoice)
       end
     end
 
@@ -240,7 +242,7 @@
   end
 
   describe '#update' do
-    let(:params) { { name: 'new name' } }
+    let(:params) { { name: 'new name', consolidate_invoice: factory_subscription.consolidate_invoice } }
     let(:body) do
       {
         'subscription' => params,
@@ -261,6 +263,7 @@
         expect(subscription.plan_code).to eq(factory_subscription.plan_code)
         expect(subscription.status).to eq(factory_subscription.status)
         expect(subscription.external_id).to eq(factory_subscription.external_id)
+        expect(subscription.consolidate_invoice).to eq(factory_subscription.consolidate_invoice)
       end
     end