feat(dunning): Add hasOverdueInvoices field to customer resolver

app/graphql/types/customers/object.rb

@@ -73,6 +73,7 @@ class Object < Types::BaseObject
         description: 'Number of available credits from credit notes per customer'
       field :has_active_wallet, Boolean, null: false, description: 'Define if a customer has an active wallet'
       field :has_credit_notes, Boolean, null: false, description: 'Define if a customer has any credit note'
+      field :has_overdue_invoices, Boolean, null: false, description: 'Define if a customer has overdue invoices'
 
       field :can_edit_attributes, Boolean, null: false, method: :editable? do
         description 'Check if customer attributes are editable'
@@ -98,6 +99,10 @@ def has_credit_notes
         object.credit_notes.finalized.any?
       end
 
+      def has_overdue_invoices
+        object.invoices.payment_overdue.any?
+      end
+
       def active_subscriptions_count
         object.active_subscriptions.count
       end

spec/graphql/types/customers/object_spec.rb

@@ -64,6 +64,7 @@
   it { is_expected.to have_field(:credit_notes_credits_available_count).of_type('Int!') }
   it { is_expected.to have_field(:has_active_wallet).of_type('Boolean!') }
   it { is_expected.to have_field(:has_credit_notes).of_type('Boolean!') }
+  it { is_expected.to have_field(:has_overdue_invoices).of_type('Boolean!') }
 
   it { is_expected.to have_field(:can_edit_attributes).of_type('Boolean!') }
 end