#1567, #1554, bug fix when approve invoice using batch action

when Approve invoices from batch action there is loop that use method (approve)
that is not existed.

app/admin/billing/invoices.rb

@@ -31,8 +31,15 @@ def scoped_collection
   end
 
   batch_action :approve, confirm: 'Are you sure?', if: proc { authorized?(:approve) } do |selection|
-    active_admin_config.resource_class.find(selection).each(&:approve)
-    redirect_to collection_path, notice: "#{active_admin_config.resource_label.pluralize} are approved!"
+    active_admin_config.resource_class.find(selection).each do |record|
+      BillingInvoice::Approve.call(invoice: record)
+      flash[:notice] = "#{active_admin_config.resource_label.pluralize} are approved!"
+    rescue BillingInvoice::Approve::Error => e
+      flash[:error] = e.message
+      break
+    end
+
+    redirect_to collection_path
   end
 
   member_action :approve, method: :post do

spec/features/billing/invoices/approve_invoice_feature_spec.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
 RSpec.describe 'Approve invoide feature', type: :feature do
-  subject { click_action_item 'Approve' }
-
   include_context :login_as_admin
 
+  let(:approved_state_id) { Billing::InvoiceState::APPROVED }
+  let!(:invoice) { FactoryBot.create(:invoice, :manual, :pending, :with_vendor_account) }
+
   context 'when valid data' do
-    let!(:invoice) { FactoryBot.create(:invoice, :manual, :pending, :with_vendor_account) }
-    let(:approved_state_id) { Billing::InvoiceState::APPROVED }
+    subject { click_action_item 'Approve' }
 
     before { visit invoice_path(invoice) }
 
@@ -19,9 +19,24 @@
     end
   end
 
-  context 'when invalid data', :js do
-    let!(:invoice) { FactoryBot.create(:invoice, :pending, :with_vendor_account) }
+  context 'when approve from batch action' do
+    subject { click_button :OK }
+
+    before do
+      visit invoices_path
+      check class: 'toggle_all'
+      click_batch_action 'Approve Selected'
+    end
+
+    it 'should approve invoice', :js do
+      subject
 
+      expect(page).to have_flash_message 'Invoices are approved!', type: :notice
+      expect(invoice.reload).to have_attributes(state_id: approved_state_id)
+    end
+  end
+
+  context 'when invalid data', :js do
     before do
       allow(BillingInvoice::Approve).to receive(:call).and_raise(BillingInvoice::Approve::Error, 'error')
       visit invoice_path(invoice)