Add created_date property to invoice

CRM/Stripe/Api.php

@@ -51,6 +51,7 @@ class CRM_Stripe_Api {
             return (string) $stripeObject->balance_transaction;
 
           case 'receive_date':
+          case 'created_date':
             return self::formatDate($stripeObject->created);
 
           case 'invoice_id':
@@ -105,24 +106,18 @@ class CRM_Stripe_Api {
              * },
              */
             if (!empty($stripeObject->status_transitions->paid_at)) {
-              $timestamp = $stripeObject->status_transitions->paid_at;
+              return self::formatDate($stripeObject->status_transitions->paid_at);
             }
-            elseif (!empty($stripeObject->status_transitions->finalized_at)) {
-              $timestamp = $stripeObject->status_transitions->finalized_at;
-            }
-            else {
-              $timestamp = $stripeObject->created;
-            }
-            return self::formatDate($timestamp);
+            // Intentionally falls through to invoice_date
 
           case 'invoice_date':
             if (!empty($stripeObject->status_transitions->finalized_at)) {
-              $timestamp = $stripeObject->status_transitions->finalized_at;
+              return self::formatDate($stripeObject->status_transitions->finalized_at);
             }
-            else {
-              $timestamp = $stripeObject->created;
-            }
-            return self::formatDate($timestamp);
+          // Intentionally falls through to created_date
+
+          case 'created_date':
+            return self::formatDate($stripeObject->created);
 
           case 'subscription_id':
             return (string) $stripeObject->subscription;