From 696278ce80c7613e39c24e138dd6c99116080adb Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 25 Aug 2021 17:23:35 +0200
Subject: complete implementation of #6956: long polling triggers via database
 backend

---
 ...-merchant-httpd_private-post-orders-ID-refund.c | 38 +++++++++-------------
 1 file changed, 16 insertions(+), 22 deletions(-)

(limited to 'src/backend/taler-merchant-httpd_private-post-orders-ID-refund.c')

diff --git a/src/backend/taler-merchant-httpd_private-post-orders-ID-refund.c b/src/backend/taler-merchant-httpd_private-post-orders-ID-refund.c
index 46f30668..ebbfdf0a 100644
--- a/src/backend/taler-merchant-httpd_private-post-orders-ID-refund.c
+++ b/src/backend/taler-merchant-httpd_private-post-orders-ID-refund.c
@@ -39,22 +39,28 @@
  * Use database to notify other clients about the
  * @a order_id being refunded
  *
- * @param order_id the order receiving a refund
+ * @param hc handler context we operate in
  * @param amount the (total) refunded amount
  */
 static void
-trigger_refund_notification (const char *order_id,
+trigger_refund_notification (struct TMH_HandlerContext *hc,
                              const struct TALER_Amount *amount)
 {
   const char *as;
-  struct TMH_OrderRefundEvent refund_eh = {
+  struct TMH_OrderRefundEventP refund_eh = {
     .header.size = htons (sizeof (refund_eh)),
-    .header.type = htons (TALER_DBEVENT_MERCHANT_ORDER_REFUND)
+    .header.type = htons (TALER_DBEVENT_MERCHANT_ORDER_REFUND),
+    .merchant_pub = hc->instance->merchant_pub
   };
 
+  /* Resume clients that may wait for this refund */
   as = TALER_amount2s (amount);
-  GNUNET_CRYPTO_hash (order_id,
-                      strlen (order_id),
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Awakening clients on %s waiting for refund of no more than %s\n",
+              hc->infix,
+              as);
+  GNUNET_CRYPTO_hash (hc->infix,
+                      strlen (hc->infix),
                       &refund_eh.h_order_id);
   TMH_db->event_notify (TMH_db->cls,
                         &refund_eh.header,
@@ -83,7 +89,6 @@ make_taler_refund_uri (struct MHD_Connection *connection,
 
   GNUNET_assert (NULL != instance_id);
   GNUNET_assert (NULL != order_id);
-
   host = MHD_lookup_connection_value (connection,
                                       MHD_HEADER_KIND,
                                       "Host");
@@ -251,8 +256,6 @@ TMH_private_post_orders_ID_refund (const struct TMH_RequestHandler *rh,
     {
       enum GNUNET_DB_QueryStatus qs;
 
-      trigger_refund_notification (hc->infix,
-                                   &refund);
       qs = TMH_db->commit (TMH_db->cls);
       if (GNUNET_DB_STATUS_HARD_ERROR == qs)
       {
@@ -262,6 +265,8 @@ TMH_private_post_orders_ID_refund (const struct TMH_RequestHandler *rh,
       }
       if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
         continue;
+      trigger_refund_notification (hc,
+                                   &refund);
     }
     break;
   } /* retries loop */
@@ -329,15 +334,6 @@ TMH_private_post_orders_ID_refund (const struct TMH_RequestHandler *rh,
     break;
   }
 
-  /* Resume clients that may wait for this refund */
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Awakeing clients on %s waiting for refund of less than %s\n",
-              hc->infix,
-              TALER_amount2s (&refund));
-  TMH_long_poll_resume (hc->infix,
-                        hc->instance,
-                        &refund,
-                        false);
   {
     struct GNUNET_TIME_Absolute timestamp;
     uint64_t order_serial;
@@ -357,10 +353,8 @@ TMH_private_post_orders_ID_refund (const struct TMH_RequestHandler *rh,
                                          NULL);
     }
     TMH_notify_order_change (hc->instance,
-                             hc->infix,
-                             true, /* paid */
-                             true, /* refunded */
-                             false, /* wired, cannot be if we could still do refunds */
+                             TMH_OSF_PAID
+                             | TMH_OSF_REFUNDED,
                              timestamp,
                              order_serial);
   }
-- 
cgit v1.2.3